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Location: Mexico City, Mexico We’re seeking a mid-level Interior Designer with 4–5 years of experience in residential projects to support the production of detailed Revit-based interior design drawing sets. This role goes beyond technical modeling — we’re looking for a designer who can contribute creative ideas , make informed design decisions, and add real value to each project. The ideal candidate will combine technical precision with strong design sensibility, working independently and collaboratively to elevate our work. Requirements Key Requirements: 4–5 years of experience in residential interior design using Revit Proven experience producing full ID sets Strong understanding of materials, millwork, shelving, and practical construction dimensions Creative mindset with a strong eye for interior design and a proactive approach to design challenges Solid design sensibility with the ability to make thoughtful, aesthetic decisions Fluency in English is mandatory Experience in the U.S. market will be valued Effective communicator with initiative and ability to understand drawings deeply Available to work Florida hours (Eastern Time) Comfortable storing and working from client’s BIMcloud Benefits Work for the most exciting companies in the North American Market. Flexible schedules. Work from anywhere. Highly competitive compensation.

Location: Bogotá, Colombia We’re seeking a mid-level Interior Designer with 4–5 years of experience in residential projects to support the production of detailed Revit-based interior design drawing sets. This role goes beyond technical modeling — we’re looking for a designer who can contribute creative ideas , make informed design decisions, and add real value to each project. The ideal candidate will combine technical precision with strong design sensibility, working independently and collaboratively to elevate our work. Requirements Key Requirements: 4–5 years of experience in residential interior design using Revit Proven experience producing full ID sets Strong understanding of materials, millwork, shelving, and practical construction dimensions Creative mindset with a strong eye for interior design and a proactive approach to design challenges Solid design sensibility with the ability to make thoughtful, aesthetic decisions Fluency in English is mandatory Experience in the U.S. market will be valued Effective communicator with initiative and ability to understand drawings deeply Available to work Florida hours (Eastern Time) Comfortable storing and working from client’s BIMcloud Benefits Work for the most exciting companies in the North American Market. Flexible schedules. Work from anywhere. Highly competitive compensation.

Location: Buenos Aires, Argentina We’re seeking a mid-level Interior Designer with 4–5 years of experience in residential projects to support the production of detailed Revit-based interior design drawing sets. This role goes beyond technical modeling — we’re looking for a designer who can contribute creative ideas , make informed design decisions, and add real value to each project. The ideal candidate will combine technical precision with strong design sensibility, working independently and collaboratively to elevate our work. Requirements Key Requirements: 4–5 years of experience in residential interior design using Revit Proven experience producing full ID sets Strong understanding of materials, millwork, shelving, and practical construction dimensions Creative mindset with a strong eye for interior design and a proactive approach to design challenges Solid design sensibility with the ability to make thoughtful, aesthetic decisions Fluency in English is mandatory Experience in the U.S. market will be valued Effective communicator with initiative and ability to understand drawings deeply Available to work Florida hours (Eastern Time) Comfortable storing and working from client’s BIMcloud Benefits Work for the most exciting companies in the North American Market. Flexible schedules. Work from anywhere. Highly competitive compensation.

Location: Hong Kong, Hong Kong SAR; Singapore, Singapore OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa. Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity The Trading Service team is the backbone of our exchange's industry-leading trading product, which is utilized by millions of users. We are responsible for the core order and position management systems, enabling a full spectrum of trading products, including manual, automatic, and social trading, as well as brokerage services. Our platform supports diverse financial instruments such as spot, margin, futures, options, and perpetuals. As a Senior Staff Software Engineer in the C++ team, you will play a crucial role in shaping the infrastructure and architecture of these critical systems, ensuring we maintain our competitive edge in the fast-paced financial markets. What You’ll Be Doing Design and implement innovative solutions for our full range of trading products, including spot, futures, perpetual swaps, and options Build out our industry-leading trading platform, focusing on core infrastructure and architectural components Drive performance optimization for the overall trading architecture, aiming for ultra-low latency, high availability, and scalability Identify and eliminate critical performance bottlenecks across the entire trading architecture, implementing advanced low-latency and high-throughput solutions in C++ Serve as a technical authority and subject matter expert in C++ performance and core trading systems; provide technical guidance, perform rigorous code reviews, and mentor senior and mid-level engineers Design highly resilient, fault-tolerant systems and drive best practices in monitoring, alerting, incident response, and post-mortem analysis for mission-critical trading infrastructure Collaborate extensively with Stakeholders to translate strategic business needs into highly efficient and scalable technical solutions. What We Look For In You Bachelor's degree in Computer Science, Software Engineering, or a related technical field (or a strong STEM education background) 10+ years of professional experience in software development, with a deep and demonstrable track record in designing, building, and operating high-performance, ultra-low latency distributed systems in C++ within the financial services or trading domain Excellent C/C++ programming and software design skills, including debugging, performance analysis, and test design Experience in practicing automated testing and continuous integration Good understanding of networking and I/O on Linux; familiar with performance optimization techniques and tools on the Linux platform Nice to Haves Experience in developing high-performance, low-latency systems Strong logical thinking and problem-solving skills Willingness to learn all aspects of trading products in financial and crypto markets, including spot, futures, swaps, options, and structured products Passionate about technology, eager for challenges and take ownership of your work Perks & Benefits Competitive total compensation package L&D programs and Education subsidy for employees' growth and development Various team building programs and company events Wellness and meal allowances Comprehensive healthcare schemes for employees and dependants More that we love to tell you along the process! #LI-ML1 #LI-ONSITE Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .

Location: Hong Kong, Hong Kong SAR; Singapore, Singapore OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa About OKX At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity The Trading Service team is the backbone of our exchange's industry-leading trading product, which is utilized by millions of users. We are responsible for the core order and position management systems, enabling a full spectrum of trading products, including manual, automatic, and social trading, as well as brokerage services. Our platform supports diverse financial instruments such as spot, margin, futures, options, and perpetuals. Join our elite Trading Service team as a Senior Staff Software Engineer, where you will be a pivotal technical leader shaping the future of our ultra-low latency, high-throughput trading platform. This is a highly impactful individual contributor role for an exceptional engineer with a deep passion for financial markets and cutting-edge technology. You will own and drive the architectural direction for critical system components, solve the most complex technical challenges across multiple teams, and significantly influence our engineering practices and technical roadmap. Your work will directly empower millions of users and underpin the efficiency of our industry-leading exchange. What You’ll Be Doing Define and own the long-term technical architecture and strategy for core trading platform components, ensuring alignment with business goals and operational excellence Spearhead the design and implementation of highly challenging, ambiguous, and cross-cutting technical projects that span multiple engineering teams Identify and eliminate critical performance bottlenecks across the entire trading architecture, implementing advanced low-latency and high-throughput solutions in Java Serve as a definitive technical authority and subject matter expert in core trading systems and Java performance; provide technical guidance, code reviews, and mentorship to senior and mid-level engineers Stay abreast of industry trends, research emerging technologies (e.g., new concurrency models, hardware acceleration), and propose innovative solutions to enhance the platform's competitive edge Design highly resilient, fault-tolerant systems and drive best practices in monitoring, alerting, incident response, and post-mortem analysis for mission-critical trading infrastructure Collaborate extensively with Stakeholders to translate strategic business needs into highly efficient and scalable technical solutions; influence product roadmaps from a technical feasibility and architectural sustainability perspective Evangelize and enforce high standards in software engineering design, coding, testing, and deployment practices across multiple teams What We Look For In You Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field (or a strong STEM education background) Expert-level proficiency in modern C++, with deep knowledge of memory management, lock-free concurrency, template metaprogramming, and compiler-level performance tuning 10+ years of extensive professional experience designing, building, and operating high-performance, ultra-low latency distributed systems in Java Expert-level proficiency in Java for performance-critical applications, including profound knowledge of JVM internals, garbage collection tuning, and advanced concurrency patterns Proven experience as a technical leader or architect for major system components, demonstrating the ability to drive technical direction, with exceptional expertise in message-oriented middleware Deep understanding of network protocols, OS-level optimizations (Linux), hardware considerations, database technologies (SQL and NoSQL), and strong track record of driving DevOps practices, CI/CD, and monitoring Nice to Haves PhD in Computer Science, Electrical Engineering, Physics, Mathematics, or a related quantitative discipline Direct experience leading the architecture or core development of matching engines, market data processing systems, or complex algorithmic trading strategies in an HFT environment In-depth knowledge of FIX Protocol and other relevant financial industry messaging standards Experience with hardware-level optimizations, FPGA/ASIC acceleration, or specialized networking components Active contributions to significant open-source projects, academic publications, or industry conferences in low-latency computing or FinTech Perks & Benefits Competitive total compensation package L&D programs and Education subsidy for employees' growth and development Various team building programs and company events Wellness and meal allowances Comprehensive healthcare schemes for employees and dependants More that we love to tell you along the process! #LI-ML1 #LI-ONSITE Notice: All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website. Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .

Location: Istanbul, Turkey P.I. Works is the first company in the world to automate the management of a commercial 5G network. Our automated network management products and services empower mobile operators to accelerate network transformation and to drive network quality and efficiency on the path to 5G. These solutions have been deployed across 82 mobile network operators in 58 countries around the world. Our engineering team based in Istanbul is the backbone of our innovative capabilities. Leveraging new technologies, our team designs and develops products and solutions that create enhanced value to our customers. We are constantly looking at ways to roll out new features, solutions, enrich usability and optimize our product cycles. As a Senior Backend Software Developer on this team, you will bring your A-game to play every day and take advantage of unique opportunities to learn and grow. We have a brief exercise for you to help us ascertain your aptitude and skill level. What you will do: Managing the entire software development life cycle from concept design through to implementation and application maintenance. Develop, test, deploy and optimize new products and/or features that ensure well-designed, robust, scalable, testable functionalities by using C# and .NET frameworks. Maintain and improve application security, availability, and performance of existing systems and solutions. Design and update operations for relational and columnar databases in applications. Working with team members to improve software development skills by using suitable and applicable code review and software coding methodologies. Coordinate with the product management, and testing teams periodically on new releases, patches, and fixes. Implement new tools, technologies, process/practices to improve existing products and solutions. Working with complex frameworks to make complete refactoring or rewriting. Participate in team discussions and play active role with the design decisions. What you need to be successful: Must-have Bachelor’s degree in Computer Science, Engineering, Electronics or Telecommunications SME without the relevant degree will also be considered Minimum of 7 years of experience in object-oriented analysis and design skills Expert level skills in .NET Framework, .NET Core and C# development. Through understanding of database transactions and concurrent programming Experience with ORM frameworks. Understanding of Software Development Life Cycle and Agile methodologies. High-level understanding for the company domain operations and mentoring junior and mid-level developers on any kind of domain, design and implementation related issues. Awareness of latest trends, tools and principles and being able to use them wherever applicable. Understanding and proper documentation skills about development standards, infrastructure of the systems/frameworks that are built by themselves. Excellent verbal and written skills in English Ability to reside and work in Turkey, without requiring work permit sponsorship. Good to have Hands-on experience in relational database performance management. Expertise on Oracle, PostgreSQL, and Clickhouse databases. Hands-on experience of CI/CD operations. If you are enthusiastic and self-motivated, a team player, customer focused and bring a “do what it takes” attitude to work every day, we want to hear from you.