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Location: United States Who We Are MEMX is a technology-driven exchange operator founded by members to benefit all investors. We operate MEMX Equities, MEMX Options, and MX2 Options, and provide market technology to clients. Our mission is to create healthy competition and advocate for market structure reform that results in more efficient and sensible trading experiences for all investors. Description MEMX is seeking a Data Engineering intern who has a passion for technology, an interest in financial markets, and the enthusiasm to contribute to our U.S. equities and options exchanges. This internship position will be offered as hybrid with 2 days in-person at our co-working office in Midtown-NYC. *MEMX has currently approved ONLY the following states for remote work: California, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Massachusetts, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, Texas, & Utah. What You’ll Be Doing Work alongside MEMX’s technology team on data engineering projects that support our exchanges Help collect, organize, and validate data used for reporting and analysis Assist with building and improving data processes and tolls, with projects tailored to your skills and the team’s needs Collaborate with colleagues to solve problems, share ideas, and communicate your findings Gain hands-on experience in a growing exchange and see how your work contributes to the broader business Requirements Current undergraduate student entering their junior or senior year, pursuing a degree Computer Science, Computer Engineering, Data Engineering, Electrical Engineering, or a related field Experience with technical projects through coursework, internships, or personal work Ability to communicate technical ideas and work collaboratively with a team Ability to work in person at our Midtown Manhattan office during the summer Permanent residence in one of MEMX’s approved states for remote work during the internship What You’ll Gain Hands-on experience working with data that supports MEMX’s exchanges Exposure to how data is collected, organized, and used for reporting an analysis Mentorship and guidance from experienced data engineers Opportunities to collaborate with technology teams across MEMX and connect with fellow interns Why MEMX At MEMX, you’ll contribute to meaningful work alongside experienced professionals while developing your skills and learning how our exchanges operate. As part of our summer internship program, you’ll also have access to: Learning opportunities: Attend Lunch & Learn sessions, professional development workshops, and relevant courses Mentorship and support: Learn from a mentor and a designated buddy who can help guide you throughout the summer An intern cohort: Connect with interns working across other MEMX teams Social events: Get to know colleagues, with opportunities to connect with members of MEMX’s C-suite Regular feedback: Check in with your manager and HR to discuss your progress, ask questions, and get support Future opportunities: All interns are considered for potential internship extensions or a full-time opportunity after graduation, based on performance and business needs Pay Rate: $30/hourly for undergraduate students Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.

Location: United States Who We Are MEMX is a technology-driven exchange operator founded by members to benefit all investors. We operate MEMX Equities, MEMX Options, and MX2 Options, and provide market technology to clients. Our mission is to create healthy competition and advocate for market structure reform that results in more efficient and sensible trading experiences for all investors. Description MEMX is seeking a Data Center Operations Intern to support the infrastructure that powers our exchanges. You’ll work alongside our team to gain hands-on experience with server hardware, network equipment, and data center operations while learning how reliable technology supports financial markets. This internship position will be offered as hybrid with 1 day in person at our Data Center in North Bergen, NJ, and 2 days in person at our co-working office in Midtown-NYC. Work Schedule The intern will be expected to work the following schedule: Monday: 1:00pm – 10:00pm ET, in person at our North Bergen Data Center Tuesday: 10:00am – 6:00pm ET, remote Wednesday: 9:00am – 5:00pm ET, in person at our co-working office in Midtown-NYC Thursday: 9:00am – 5:00pm ET, in person at our co-working office in Midtown-NYC Friday: 9:00am – 5:00pm ET, remote Hours are subject to change based on operational needs. * MEMX has currently approved ONLY the following states for remote work: California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Massachusetts, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, Texas, & Utah. What You’ll Be Doing Assist with servers and network equipment under the team’s guidance Help run and organize cables within the data center Support equipment inventory and maintain accurate documentation Assist with routine equipment checks and basic troubleshooting Participate in infrastructure projects and learn how the team keeps our systems running reliably Requirements Current undergraduate student entering their junior or senior year, pursing a degree in Information Technology, Computer Science, Engineering, or a related field Interest in hardware, networking, and hands-on technology problem-solving Basic familiarity with computer systems; coursework or personal projects involving Linux, networking, or hardware are a plus Strong attention to detail, communication skills, and willingness to learn Ability to work in person at our Midtown Manhattan office during the summer Permanent residence in one of MEMX’s approved states for remote work during the internship What You’ll Gain Hands-on experience with the infrastructure supporting a financial exchange Foundational skills in hardware installation, cabling, troubleshooting, and technical documentation Exposure to how data center operations, networking, and engineering teams work together Why MEMX At MEMX, you’ll contribute to meaningful work alongside experienced professionals while developing your skills and learning how our exchanges operate. As part of our summer internship program, you’ll also have access to: Learning opportunities: Attend Lunch & Learn sessions, professional development workshops, and relevant courses. Mentorship and support: Learn from a mentor and a designated buddy who can help guide you throughout the summer. An intern cohort: Connect with interns working across other MEMX teams. Social events: Get to know colleagues, with opportunities to connect with members of MEMX’s C-suite. Regular feedback: Check in with your manager and HR to discuss your progress, ask questions, and get support Future opportunities: All interns are considered for potential internship extensions or a full-time opportunity after graduation, based on performance and business needs. Pay Rate: $30/hourly for undergraduate students Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.

Location: United States Who We Are MEMX is a technology-driven exchange operator founded by members to benefit all investors. We operate MEMX Equities, MEMX Options, and MX2 Options, and provide market technology to clients. Our mission is to create healthy competition and advocate for market structure reform that results in more efficient and sensible trading experiences for all investors. Description MEMX is seeking a Legal Intern to join our team this summer. This opportunity is designed for a law student interested in gaining practical experience in the legal work behind a growing financial technology and securities exchange organization. You’ll work alongside experienced attorneys, contribute to meaningful projects, and learn how legal advice supports the business. This internship position will be offered as hybrid with 2 days in-person at our co-working office in Midtown-NYC. This internship will run from June 7 through August 13, 2027, with flexible start and end dates to accommodate the cohort’s academic schedule. *MEMX has currently approved ONLY the following states for remote work: California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Massachusetts, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, Texas, & Utah. What You’ll Be Doing Conduct legal research on topics relevant to MEMX and summarize your findings for the team Assist with drafting, reviewing, and proofreading regulatory filings and other legal documents, agreements, and correspondence Help organize and maintain legal files, research and other team resources Attend meetings and collaborate with attorneys and colleagues across the organization Support additional legal projects as needs arise throughout the summer Requirements Currently enrolled in a J.D. program Strong legal research, writing, and analytical skills Excellent attention to detail and organizational skills Clear communication and a willingness to learn Ability to work in person at our Midtown Manhattan office during the summer Permanent residence in one of MEMX’s approved states for remote work during the internship What You’ll Gain Hands-on experience with legal work in the financial markets Mentorship and guidance from experienced attorneys Exposure to how the Legal team works with teams across MEMX Opportunities to connect with fellow interns and MEMX colleagues Why MEMX At MEMX, you’ll contribute to meaningful work alongside experienced professionals while developing your skills and learning how our exchanges operate. As part of our summer internship program, you’ll also have access to: Learning opportunities: Attend Lunch & Learn sessions, professional development workshops, and relevant courses. Mentorship and support: Learn from a mentor and a designated buddy who can help guide you throughout the summer. An intern cohort: Connect with interns working across other MEMX teams. Social events: Get to know colleagues, with opportunities to connect with members of MEMX’s C-suite. Regular feedback: Check in with your manager and HR to discuss your progress, ask questions, and get support Future opportunities: All interns are considered for potential internship extensions or a full-time opportunity after graduation, based on performance and business needs. Pay Rate: $40/hourly Application Materials: Please submit the following materials: Résumé Cover letter Writing sample (optional) Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.

Location: United States Who We Are MEMX is a technology-driven exchange operator founded by members to benefit all investors. We operate MEMX Equities, MEMX Options, and MX2 Options, and provide market technology to clients. Our mission is to create healthy competition and advocate for market structure reform that results in more efficient and sensible trading experiences for all investors. Description MEMX is seeking a Network Engineering Intern to learn how the networks behind our U.S. equities and options exchanges are built and supported. You’ll work alongside experienced engineers on hands-on projects and gain exposure to the reliable, low-latency infrastructure that supports trading. This internship position will be offered as hybrid with 1- day in person at our Data Center in North Bergen, NJ, and 2-days in person at our co-working office in Midtown -NYC . Work Schedule The intern will be expected to work the following schedule: Monday: 1:00pm – 10:00pm ET, in person at our North Bergen Data Center Tuesday: 10:00am – 6:00pm ET, remote Wednesday: 9:00am – 5:00pm ET, in person at our co-working office in Midtown-NYC Thursday: 9:00am – 5:00pm ET, in person at our co-working office in Midtown-NYC Friday: 9:00am – 5:00pm ET, remote Hours are subject to change based on operational needs. *MEMX has currently approved ONLY the following states for remote work: California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Massachusetts, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, Texas, & Utah. What You’ll Be Doing Help the team monitor network performance and investigate alerts and connectivity issues Assist with network device configuration, testing, and documentation under the guidance of experienced engineers Assist with data center activities such as racking, network and hardware, running optical fibers, etc. Contribute to projects involving network tools, automation, and infrastructure improvements Collaborate with teams across MEMX to understand how network engineering supports the exchange Requirements Current undergraduate student entering their junior or senior year, pursuing Computer Science, Information Technology, Network Engineering, or a related field Foundational understanding of networking concepts such as IP addressing, routing, and switching through coursework, projects, or personal interests Interest in troubleshooting and learning how large-scale networks operate Strong attention to detail and willingness to ask questions and learn from the team Exposure to Python, Linux, or Wireshark is a plus, but not required Ability to work in person at our Midtown Manhattan office during the summer Permanent residence in one of MEMX’s approved states for remote work during the internship What You’ll Gain Hands-on experience with the network infrastructure that supports a securities exchange Exposure to various Options and Equities exchange platforms and how network connectivity supplements these platforms Exposure to network monitoring, troubleshooting, and day-to-day operations Learn how customer connections are set up and supported Mentorship and guidance from experienced network engineers Opportunities to collaborate with technology teams across MEMX and connect with fellow interns Why MEMX At MEMX, you’ll contribute to meaningful work alongside experienced professionals while developing your skills and learning how our exchanges operate. As part of our summer internship program, you’ll also have access to: Learning opportunities: Attend Lunch & Learn sessions, professional development workshops, and relevant courses Mentorship and support: Learn from a mentor and a designated buddy who can help guide you throughout the summer An intern cohort: Connect with interns working across other MEMX teams Social events: Get to know colleagues, with opportunities to connect with members of MEMX’s C-suite Regular feedback: Check in with your manager and HR to discuss your progress, ask questions, and get support Future opportunities: All interns are considered for potential internship extensions or a full-time opportunity after graduation, based on performance and business needs Pay Rate: $30/hourly for undergraduate students Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.

Location: United States Who We Are MEMX is a technology-driven exchange operator founded by members to benefit all investors. We operate MEMX Equities, MEMX Options, and MX2 Options, and provide market technology to clients. Our mission is to create healthy competition and advocate for market structure reform that results in more efficient and sensible trading experiences for all investors. Description MEMX is seeking a motivated and curious Information Security Intern to join our Information Security team during Summer 2027. This is an exciting opportunity for students who have a passion for technology, an interest in financial markets, and the drive to contribute to a fast-growing exchange. You will gain hands-on experience in cybersecurity and learn how a modern exchange protects its systems, data, and clients in a rapidly evolving threat landscape. This internship position will be offered as hybrid with 2 days in-person at our co-working office in Midtown-NYC. *MEMX has currently approved ONLY the following states for remote work: California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Massachusetts, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, Texas, & Utah. What You’ll Be Doing Work with a talented and experienced group of technologists focused on the security of a U.S. options and equities exchanges Monitor and analyze system alerts, logs, and dashboards to help identify and mitigate potential security threats Assist in vulnerability management activities including scanning, patch verification, and documentation Support the creation and maintenance of security policies, standards, and procedural documentation Participate in evaluation and testing new security tools and technologies including AI Security Posture Management Collaborate with Engineering, Infrastructure, and Compliance teams to ensure security best practices are implemented across all systems Contribute to ongoing projects focused on identity and access management, endpoint Take part in a summer-long project designed to solve a real-world information security challenge, culminating in a final presentation Share ideas, learn from senior technologists, and gain exposure to how cybersecurity supports the broader mission of MEMX Requirements Current undergraduate student entering their junior or senior year, pursing a degree in I nformation Security, Computer Science, Information Systems, or a related field Strong interest in cybersecurity, technology, and financial markets Comfortable working with macOS General understanding of core cybersecurity concepts and terminology, including firewalls, encryption, authentication, and ransomware Familiarity with operating systems, networking principles, and cloud environments (AWS, Azure, or similar) is a plus Excellent analytical, problem-solving, and communication skills with attention to detail Collaborative and curious mindset, eager to learn from others and contribute to a growing team Ability to work in person at our Midtown Manhattan office during the summer Permanent residence in one of MEMX’s approved states for remote work during the internship What You’ll Gain Hands-on experience with real-world security operations and tools used to protect an active financial exchange Exposure to the intersection of technology, cybersecurity, and financial markets in a dynamic environment Mentorship from experienced professionals in cybersecurity, engineering, and infrastructure Opportunities to apply classroom knowledge to practical, impactful projects Enhanced understanding of how security enables innovation, resilience, and trust in financial systems A meaningful contribution to MEMX’s mission of building a fairer, more efficient U.S. equities and options marketplace Why MEMX At MEMX, you’ll contribute to meaningful work alongside experienced professionals while developing your skills and learning how our exchanges operate. As part of our summer internship program, you’ll also have access to: Learning opportunities: Attend Lunch & Learn sessions, professional development workshops, and relevant courses Mentorship and support: Learn from a mentor and a designated buddy who can help guide you throughout the summer An intern cohort: Connect with interns working across other MEMX teams Social events: Get to know colleagues, with opportunities to connect with members of MEMX’s C-suite Regular feedback: Check in with your manager and HR to discuss your progress, ask questions, and get support Future opportunities: All interns are considered for potential internship extensions or a full-time opportunity after graduation, based on performance and business needs Pay Rate: $30/hourly for undergraduate students Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.

Location: United States Who We Are MEMX is a technology-driven exchange operator founded by members to benefit all investors. We operate MEMX Equities, MEMX Options, and MX2 Options, and provide market technology to clients. Our mission is to create healthy competition and advocate for market structure reform that results in more efficient and sensible trading experiences for all investors. Description MEMX is seeking an Enterprise IT Intern to support the technology needs of employees across our U.S. equities and options exchanges. This role offers hands-on experience in a fast-paced environment where you’ll learn how laptops and accounts are set up, how support requests are managed, and how our Enterprise IT team keeps colleagues connected and productive. This internship position will be offered as hybrid with 2 days in-person at our co-working office in Midtown-NYC. *MEMX has currently approved ONLY the following states for remote work: California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Massachusetts, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, Texas, & Utah. What You’ll Be Doing Work alongside the Enterprise IT team to support employees with everyday technology needs Help set up and maintain laptops, accounts, and applications Assist with support requests and learn how to troubleshoot common technical issues Contribute to IT documentation and projects tailored to your experience and the team’s needs Collaborate with colleagues across MEMX and gain insight into how Enterprise IT supports the broader business Requirements Current undergraduate student entering their junior or senior year, pursing a degree in Computer Science, Information Technology, Information Systems, Cybersecurity, or a related field Interest in IT support and workplace technology Experience solving technical problems through coursework, projects, prior work, or personal interests Ability to work in person at our Midtown Manhattan office during the summer Permanent residence in one of MEMX’s approved states for remote work during the internship What You’ll Gain Hands-on experience supporting MEMX’s IAM, MDM, and project management solutions Exposure to our troubleshooting and security practices Mentorship and guidance from experienced IT professionals Opportunities to work with teams across MEMX and connect with fellow interns Why MEMX At MEMX, you’ll contribute to meaningful work alongside experienced professionals while developing your skills and learning how our exchanges operate. As part of our summer internship program, you’ll also have access to: Learning opportunities: Attend Lunch & Learn sessions, professional development workshops, and relevant courses Mentorship and support: Learn from a mentor and a designated buddy who can help guide you throughout the summer An intern cohort: Connect with interns working across other MEMX teams Social events: Get to know colleagues, with opportunities to connect with members of MEMX’s C-suite Regular feedback: Check in with your manager and HR to discuss your progress, ask questions, and get support Future opportunities: All interns are considered for potential internship extensions or a full-time opportunity after graduation, based on performance and business needs Pay Rate: $30/hourly for undergraduate students Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity and Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.

Location: United States Description MEMX is searching for a Network Engineer to support the design, implementation and maintenance of its low latency trading infrastructure for second shift 12 AM - 9 AM ET weekdays Monday through Friday. Shift time for this role will be: 12 AM - 9 AM ET MEMX currently has a U.S. presence in these states: California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, & Utah. *If you live outside of the above states, please list in your application and our team will evaluate. What You’ll Do Work to design, implement and support the low latency exchange network environment Configure the enterprise and production network devices with Ansible and Python as required Respond to network alerts and error logs Respond to network incidents, remediate, and perform RCA Perform new customer connection turn-ups Work on customer tickets such as add/mod IP prefixes, troubleshoot connectivity Perform new product analysis and validation Coordinate with the Security and business teams to help engineer/implement secure end user solutions Work with Data Center and Circuit providers to continually move the exchange infrastructure forward on more cost efficient and performant options Requirements 5+ years of hands-on experience with low latency, highly available distributed systems and the network architectures needed to run them Understanding of layer2 and layer3 network protocols e.g. IGMP, MLAG, ARP, BGP, NAT, PIM Understanding of IP multicast routing e.g. PIM-SM, PIM-Bidir Experience with network operating systems (EOS, IOS, PanOS) Understanding of timing protocols NTP,PTP Understanding of various optical fiber types and transceivers Scripting experience (Python, Ansible) preferred Ability to analyze packet captures using tools like Wirshark, tcpdump Mac, Linux familiarity preferred Experience with firewall design and configuration Benefits At MEMX you will have the ability to work with a talented team of professionals who bring diversity of thought and background. You will have the opportunity to shape the future of our company and the impact MEMX will have on our clients and the broader markets. We offer competitive employee benefits and perks and will continue to make this a priority to attract the best. Work From Home Health Care Plan (Medical, Dental & Vision) Retirement Plan (401k) Life Insurance (Basic, Voluntary & AD&D) Unlimited Paid Time Off Generous Paid Family Leave Short Term & Long-Term Disability Training & Development Wellness Resources Pay Range: $130,000 to $160,000 *Pay ranges are a general guideline only and not a guarantee of compensation. Compensation may vary depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.

Location: United States Description MEMX is searching for a Market Operations Analyst to join our US Team. The primary focus of this role is customer service, being the first point of contact for exchange members, ensuring timely responses and ticket logging for all interactions. Other responsibilities include the monitoring and troubleshooting of the exchange. The team identifies and mitigates operational risks and attends to members' requests. Clear and consistent communication across many different internal and external departments will be necessary. The shift time for this role will be 9 PM to 6 AM ET. You will start each week on Sunday at 9 pm ET and finish at 6 am ET on Friday. This position will also be working U.S. holidays. MEMX currently has a U.S. presence in these states: California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, & Utah. *If you live outside of the above states, please list in your application and our team will evaluate. Requirements 3 to 5 years or more of trade desk or operations desk experience at a broker dealer or exchange Effective and clear communicator that is able to handle complex issues with customers and internal groups in high pressure situations Experience supporting FIX and SBE Protocols Strong data analytics capabilities with the ability to write basic queries in SQL, Groovy or Python Must be confident working with real-time monitoring to identify issues and help solve problems Knowledge of U.S. equity markets, market structure, and clearing Willingness to obtain necessary licenses as directed by Compliance Desire to learn new things and be flexible in a quickly changing environment Ability to perform multiple tasks simultaneously in a complex operational setting Self-starter who can work independently What You’ll Do Answering phone calls from clients Responding to emails and Jira tickets Verifying and monitoring trading and clearing systems Investigating issues using internal and external tools Liaising with other Market Operations team members and other internal/external groups to resolve issues Ad-hoc project work as required Benefits At MEMX you will have the ability to work with a talented team of professionals who bring diversity of thought and background. You will have the opportunity to shape the future of our company and the impact MEMX will have on our clients and the broader markets. We offer competitive employee benefits and perks and will continue to make this a priority to attract the best. Work From Home Health Care Plan (Medical, Dental & Vision) Retirement Plan (401k) Life Insurance (Basic, Voluntary & AD&D) Unlimited Paid Time Off Generous Paid Family Leave Short Term & Long-Term Disability Training & Development Wellness Resources Pay Range: $95,000 to $120,000 *Pay ranges are a general guideline only and not a guarantee of compensation. Compensation may vary depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.

Location: United States MEMX is seeking a Software Engineer with a strong passion for data and experience in business intelligence tools to join our regulatory software engineering team. In this role, you will design, develop, and maintain data pipelines, integrate data from various sources, and transform it into meaningful insights. This role requires a combination of strong Java programming skills and experience with Business Intelligence (BI) tools, data processing, and data integration. MEMX currently has a U.S. presence in these states: California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, & Utah. *If you live outside of the above states, please list in your application and our team will evaluate. What You'll Do Design, build, and optimize data pipelines and workflows to process, clean, and transform data using Java Work with various data sources (SQL, NoSQL, cloud data storage) and build integrations to unify data for reporting and analytics Work closely with tech lead/product management to understand data needs, build dashboards, and develop automated reporting solutions Design and optimize storage solutions for structured and unstructured data, enhancing data retrieval and performance for BI purposes Maintain comprehensive documentation of processes, code, and data flows. Follow best practices in code design and deployment to production Requirements Strong proficiency in Java (Java 8+ preferred) with a focus on data-related frameworks and libraries Experience in handling large datasets, including data cleaning, transformation, and aggregation techniques Proficiency in working with SQL and NoSQL databases and an understanding of database design principles Familiarity with BI tools like Tableau, Power BI, or Looker to create and manage reports and visualizations Experience working with cloud platforms for data storage and processing is a plus Strong analytical and problem-solving skills to derive insights from data and enhance data processing workflows Preferred Qualifications Familiarity with Python or Java for data processing Understanding of data modeling and data warehousing concepts Experience with REST APIs and microservices architecture Knowledge of version control tools like Git and CI/CD pipelines Benefits At MEMX you will have the ability to work with a talented team of professionals who bring diversity of thought and background. You will have the opportunity to shape the future of our company and the impact MEMX will have on our clients and the broader markets. We offer competitive employee benefits and perks and will continue to make this a priority to attract the best. Work From Home Health Care Plan (Medical, Dental & Vision) Retirement Plan (401k) Life Insurance (Basic, Voluntary & AD&D) Unlimited Paid Time Off Generous Paid Family Leave Short Term & Long-Term Disability Training & Development Wellness Resources Pay Range: $120,000 - $150,000 *Pay ranges are a general guideline only and not a guarantee of compensation. Compensation may vary depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.

Location: United States Description MEMX is looking for a Software Engineer to join our core software development team. The Software Engineer will work on the design, development, and support of the MEMX Trading system software. This person will play a key role in serving our customers and our business by building new features for the US Equities and Options platform as well as providing secondary production support. MEMX currently has a U.S. presence in these states: California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Maine, Maryland, Michigan, Nevada, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, & Utah. *If you live outside of the above states, please list in your application and our team will evaluate. What You'll Do Full Software Development Life Cycle participation for MEMX Trading Platform Low latency, high throughput, event-sourcing application development Assist Market and Technical Operations to resolve production issues Requirements B.S. in Computer Science 5+ years of Real-Time Server-Side JAVA software development experience Low latency, High Volume, High Throughput Linux production system development/support Experience Experience in the development of US Equities, Options, or Futures asset classes Experience developing low latency trading systems Strong professional and interpersonal skills including exceptional customer service, creative problem solving, and effective written and verbal communications, Broad systems thinking – understands the connections and relationships across functions and entities for both internal and external constituencies Ideal candidate will have demonstrated ability to succeed as a self-starter in a dynamic, remote-first environment Working experience in the following areas is a plus: Clearing and Settlement/Back Office processes Event Sourcing design pattern application development Time Series Databases TCP/IP UDP networking FIX messaging GIT/Gradle/Junit/Jira/Confluence/Jenkins/Wireshark Benefits At MEMX you will have the ability to work with a talented team of professionals who bring diversity of thought and background. You will have the opportunity to shape the future of our company and the impact MEMX will have on our clients and the broader markets. We offer competitive employee benefits and perks and will continue to make this a priority to attract the best. Work From Home Health Care Plan (Medical, Dental & Vision) Retirement Plan (401k) Life Insurance (Basic, Voluntary & AD&D) Unlimited Paid Time Off Generous Paid Family Leave Short Term & Long-Term Disability Training & Development Wellness Resources Pay Range: $150,000 – $250,000 USD *Pay ranges are a general guideline only and not a guarantee of compensation. Compensation may vary depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.

Location: Georgia; Poland; Singapore; Sri Lanka; Sweden; United Kingdom; Uzbekistan Description MEMX is looking for a Software Engineer to join our core software development team. The Software Engineer will work on the design, development, and support of the MEMX trading system software with an emphasis on the production support of the MEMX trading system software. This person will be part of a team that will be primary support during US evening hours for our Equities and Options platforms and our Market Tech customers. This role will be covering the US evening shift of 10PM – 6AM EST What You'll Do Full Software Development Life Cycle participation for MEMX Trading Platform Low latency, high throughput, event-sourcing application development Resolving production software issues Requirements B.S. in Computer Science 6+ years of Real-Time Server-Side JAVA software development experience Independent with ability to multi-task and cover different systems Experience in the development of US Equities, Options, or Futures asset classes Low latency, High Volume, High Throughput Linux production system development/support experience Experience developing low latency trading systems Strong professional and interpersonal skills including exceptional customer service, creative problem solving, and effective written and verbal communications Broad systems thinking – understands the connections and relationships across functions and entities for both internal and external constituencies Ideal candidate will have demonstrated ability to succeed as a self-starter in a dynamic, remote-first environment Working experience in the following areas is a plus: Clearing and Settlement/Back Office processes Event Sourcing design pattern application development Time Series Databases (i.e., Deephaven) TCP/IP UDP networking FIX messaging GIT/Gradle/Junit/Jira/Confluence/Jenkins/Wireshark Benefits At MEMX you will have the ability to work with a talented team of professionals who bring diversity of thought and background. You will have the opportunity to shape the future of our company and the impact MEMX will have on our clients and the broader markets. We offer competitive employee benefits and perks and will continue to make this a priority to attract the best. Work From Home Training & Development Wellness Resources Additional benefits offered associated with the specific region employee resides Pay Range: Competitive salary based on local market data Equal Opportunity Statement MEMX is an equal opportunity employer. We are committed to creating a diverse and inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Diversity Inclusion Statement At MEMX, we believe that diversity and inclusion are essential to driving innovation and success. We welcome and celebrate individuals from all backgrounds and perspectives, and we strive to create an inclusive culture where everyone can thrive.