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Aleph Alpha is looking for an AI Researcher in Pre training to design and run foundation-model experiments, improve training recipes, and support large-scale training runs.

Lunar is looking for a Treasury Manager to manage liquidity, risks, counterparties, controls, and Treasury improvement projects.

Bullish is looking for a Senior Software Engineer to lead end-to-end delivery of full-stack web, mobile, and service-layer features.

Liminal is looking for a Product Designer to shape end-to-end product experiences, develop intuitive interfaces, and refine designs through research and validation.

Location: Remote Workplace: Remote About the Company Rain is the global stablecoin payments platform for enterprises, neobanks, platforms, developers, and AI agents. Our technology allows partners to move, store, and use stablecoins instantly and compliantly through global payment cards, rewards, on/offramps, wallets, and cross-border rails. As both a Visa and Mastercard Principal Member, Rain issues cards that work at more than 175 million merchant locations in over 220 countries and territories. Built natively for stablecoins and trusted by more than 100 organizations worldwide, Rain delivers secure, scalable infrastructure that makes money move freely and instantly around the world. You will have the opportunity to deliver massive impact at a hypergrowth company backed by some of the top investors in fintech, crypto, and SaaS. In January 2026, we closed a $250M Series C led by ICONIQ, valuing Rain at $1.95B, with Sapphire Ventures, Dragonfly, Bessemer Venture Partners, Galaxy Ventures, FirstMark, Lightspeed, Norwest, and Endeavor Catalyst also participating. If you're curious, bold, and excited to help shape a borderless financial future, we'd love to talk. Our Ethos We believe in an open and flat structure. You will be able to grow into the role that most aligns with your goals. Our team members at all levels have the freedom to explore ideas and impact the roadmap and vision of our company. About the team & role Security at Rain protects a platform where real money moves every second, across cloud infrastructure, identity, endpoints, partner integrations and smart contracts. The team is small, senior and cross-functional, and it builds most of what it runs. Our engineers use AI agents for alert triage, investigation and response, and they design, tune and supervise those agents. Together we build Rain’s central systems for detection, response, sensors and threat intelligence, working directly with engineering, compliance and leadership. You will secure the systems Rain builds next. The role spans the whole program: you will build security tooling and controls, harden our infrastructure and access, and take on the hardest problems as Rain expands into new products and chains. What you’ll do - Build central security systems and automation the whole company relies on - Secure cloud infrastructure, identity and access across Rain’s growing footprint - Assess new products, partners and vendors before launch, and guide the engineers building them - Build AI agents and tools that make security work faster and more accurate - Lead external security assessments and drive findings to verified fixes - Join the on-call rotation and support incident response WHAT WE’RE LOOKING FOR - 5+ years in security engineering, including building tools and controls that run in production - Strong coding skills in TypeScript, Go, Rust or Python - Experience securing cloud infrastructure, identity and access - Ability to find vulnerabilities, prove them, and drive the fix with the team that owns the code - Experience at a fintech, payments or crypto company Nice to have - Blockchain security: smart contract review, onchain monitoring, custody and multisig controls - AI security: securing LLM applications and agents, or building AI into security workflows - Experience running external audits or a bug bounty program Things that enable a fulfilling, healthy and happy experience at Rain: Unlimited time off 🌴Unlimited vacation can be daunting, so we require Rainmakers to take 10 days minimum for themselves. Flexible working ☕ We support a flexible workplace, if you feel comfortable at home please work from home. If you’d like to work with others in an office feel free to come in. We want everyone to be able to work in the environment in which they are their most confident and productive selves. New Rainmakers will have a stipend to create a comfortable atmosphere at home. Easy to access benefits 🧠For US Rainmakers, we offer comprehensive health, dental and vision plans for you and your dependents, as well as a 100% company subsidized life insurance plan. Retirement goals💡Plan for the future with confidence. We offer a 401(k) with a 4% company match. Equity plan 📦 We offer every Rainmakers an equity option plan so we can all can benefit from our success. Rain Cards 🌧️ We want Rainmakers to be knowledgeable about our core products and services. To support this mission, we issue a card for our team to utilize the card for testing. Health and Wellness 📚 High performance begins from within. Rainmakers are welcome to use their card for eligible health and wellness spending like gym memberships/fitness classes, massages, acupuncture - whatever recharges you! Team summits ✨ Summits play an important role at Rain! Time spent together helps us get to know each other, strengthen our relationships, and build a common destiny. Expect team and company offsites both domestically and internationally.

Responsibilities: — Work as a DevOps Engineer for Riorise, a mobile MMO RPG. — Focus on managing containerized infrastructure and orchestration. — Implement monitoring solutions and CI/CD automation.

Lunar is looking for a Product Manager or Senior Product Manager to own the cards and top-ups product strategy, roadmap, performance, and partner ecosystem.

Lunar is looking for a Head of Accounting to lead accounting operations, strengthen controls, automate systems, and manage the accounting team.

Lunar is looking for a Senior Financial Controller to run financial closes, reconcile accounts, prepare reports, and improve controllership processes.

Prometheum is looking for a Customer Support Lead to manage support operations, onboard institutional clients, resolve escalations, and improve service processes.

Location: US / Remote Workplace: remote About the Company Born from groundbreaking research at Columbia University and Yale University, CertiK is a leading Web3 security company focused on securing blockchain protocols, smart contracts, and decentralized applications through cutting-edge security research, formal verification, and AI-powered technology. Founded in 2017 and headquartered in New York City, CertiK provides end-to-end security solutions including smart contract audits, penetration testing, on-chain monitoring, incident response, and compliance services for some of the largest projects in the digital asset ecosystem.   Today, CertiK supports thousands of enterprise clients and Web3 projects globally, with a distributed international team spanning North America, Asia, and Europe. The company is backed by leading investors including Coatue, Goldman Sachs, Insight Partners, and Sequoia Capital, and has been recognized by organizations such as the World Economic Forum and CB Insights for its contributions to blockchain security innovation.   About This Role We’re looking for a passionate and proactive Business Development professional to help expand CertiK’s presence in the Web3 ecosystem. You’ll connect with founders and decision makers, identify new business opportunities, build lasting relationships, and drive deals from initial conversations to closing. We value people who take initiative, stay curious, and are eager to learn and grow alongside our global team. Responsibilities Research and open new Web3 projects across DeFi, infrastructure, L1/L2 ecosystems and exchanges. Reach decision makers such as founders, CTOs and heads of security. Drive deals from first contact to signed contract. Build partnerships and referral channels with projects, VCs, launchpads and ecosystems Stay on top of market trends and developments, identify new business opportunities, and translate market insights into actionable feedback. Requirements Has experience in business development, sales, partnerships or consulting Web3 native, or a fast learner who can show how you got up to speed on something new Self-motivated, hard-working and responsive Fluent in English Based in US Nice to Have An existing network among Web3 founders, VCs, launchpads or exchanges Technical curiosity about smart contracts, DeFi mechanics and security Experience in a startup or in a role with a commission component What We Offer Base salary plus uncapped commission A security engineer mentor and support from senior BDs from day one Fully remote work with a global team across North America, Asia and Europe Target annual base salary for this role performed in the US is $50,000 - $90,000. The exact compensation at which this job is filled will be determined by the skills and experience of qualified candidates.

Lunar is looking for a Senior Regulatory Reporting Specialist to translate regulatory requirements into specifications, validate reporting logic, and support submissions.

Lovable is looking for a Senior Partner Marketing Manager to lead partner marketing initiatives, co-marketing programs, and scalable demand generation across its partner ecosystem.

Lovable is looking for a Business Value Consultant to quantify customer value, build enterprise business cases, and create scalable value tools across the customer lifecycle.

Lunar is looking for a Senior Regulatory Data Engineer to build governed data models, calculation logic, and validation workflows for regulatory reporting.

Responsibilities: — Own operational performance and uptime, including SLAs, incident and problem management, and post-incident reviews across colocation sites and owned site. — Lead the Team Lead and Site Critical Facilities Manager, managing shift plans, hiring, training, and competence development for technicians and critical facilities engineers. — Oversee outsourced facilities contracts and colocation providers, including escalations and commercial reviews. — Set and enforce safety culture, permit-to-work, conduct investigations and audits, and act as senior contact for authorities. — Prepare operations for buildout, including handovers from deployment team, procedures, budget, and forecasting. Requirements: — Proven leadership in live data center operations, including incident command, SLA ownership, and post-incident reviews. — Experience leading a 24/7 operations team in a live data center or comparable mission-critical environment. — Experience managing managers or leads and shift-based technician teams. — Experience governing contractors and providers against SLAs with commercial and escalation discipline. — Strong safety mindset, including permit-to-work and EHS audits. — Professional working proficiency in English. Nice to have: — Finnish language skills. — Experience ramping up a new or owned facility. — Experience running high-density AI/GPU environments. — A technical degree (e.g., engineering) or equivalent experience. Benefits: — Cash and equity compensation along with local benefits. — Work in a diverse environment with 40+ nationalities and 6 different nationalities on the management team. — Opportunity to make an impact and work alongside world-class engineers, researchers, and partners across the global AI ecosystem. Additional details: — Location: Helsinki, Finland, with regular presence across Verda’s data center sites. — Employment: Full time, Permanent. — Work model: Hybrid with some travel between sites. — Reports to: Head of DC Operations. — Team size: 2 direct reports, and up to 13 technicians and 2 critical facilities engineers across the wider team.

Location: Espoo Workplace: Hybrid ROLE HIGHLIGHTS - Senior Software Engineer, Flood Risk - Location: Espoo, Finland (relocation supported) - Team: Flood Risk, Flood Solutions - Reports to: Flood Risk Team Lead - Workplace model: Hybrid (minimum 3 days per week in the office) - Employment is subject to applicable security screening (incl. SUPO, where required) WHY THIS ROLE MATTERS We are looking for a Senior Software Engineer to turn ICEYE's flood observation history into data products that help customers understand flood risk at their locations and areas of interest. ICEYE has observed floods worldwide with its synthetic aperture radar (SAR) satellite constellation for years, so we know where water has gone, how deep it got, and how often it returns. We are turning our analysis catalog into predictive insights and building a product that gives customers near real-time understanding of flood risk for a location of interest. You will join a senior team where the data scientists and machine learning engineers build the flood models, and you make them work in production, 24/7. YOUR DAY-TO-DAY RESPONSIBILITIES You will own how flood risk gets from our models and data into customers' hands. In practice, that means: - Design and build the services and pipelines that compute, store, and serve flood risk for any location or area of interest. - Take models from notebooks to production with the data scientist and the ML engineer: tested, versioned code; reproducible inference; staged rollouts; and drift monitoring. A big part of the job is deciding what gets pre-computed and what runs at request time. - Design API-first. The contract is agreed before the code; the OpenAPI specification is the source of truth, and the documentation (reference, examples, changelog) lives in the repository as code, reviewed and validated in CI like everything else. - Build security and privacy in as a day 0 item: authentication, authorization, tenant isolation, least privilege, data minimization, and audit trails, so we can reproduce and explain every response we have served. You take part in threat modeling. - Run what you build, with automated tests and deployments, SLOs, dashboards and alerts, and automating away toil. This role includes an on-call rotation. - Design for data at scale (years of observations, customer portfolios of any size): data models, storage formats, partitioning and the batch versus streaming trade-offs, watching cost per request as closely as latency. - Make architecture decisions with our Staff Engineers (they work across the teams) and write them down as lightweight ADRs. - Mentor teammates and help the data and ML colleagues with production engineering practices (they will teach you flood science in return). WHAT WE ARE LOOKING FOR Must have - 5+ years building and running production software in the cloud (AWS, Kubernetes, Docker), owning design and delivery at senior level. - You have operationalized machine learning models: taken research or notebook code into a production service or batch pipeline, and kept it versioned, reproducible, and monitored after launch. - You have architected and built API-first products for external customers, and evolved them without breaking callers (versioning, error contracts, backward compatibility). - API documentation as code is normal for you: OpenAPI with real examples, generated references, docs checked in CI. - You design with security and privacy as the default, backed by practical experience in OAuth 2.0 and OIDC, authorization models, the OWASP API Security Top 10, and protecting customer data. - You have operated software 24/7; high automation, test automation, and observability (metrics, logs, tracing, SLOs, alerting) are what you live and breathe, and you have learned from real incidents. - Experience designing data-intensive applications: data modeling, storage formats, partitioning, and performance and cost at scale. - Deep proficiency in Python for production services and data processing, and you are comfortable reading (and refactoring) a data scientist's notebook. - Good communication; you can explain a technical trade-off to an engineer, a data scientist, a product person, or a customer, and you are comfortable shaping a product while it is still being defined. - Hands-on use of AI coding assistants and agents in your daily work, with judgment on where they help and where they do not. Nice to have - Go for the services where raw performance matters. - MLOps and model serving tooling (MLflow, ONNX, SageMaker, feature stores and the like). - Geospatial data at scale: rasters, xarray, rasterio, GDAL, PostGIS, Cloud Optimized GeoTIFF, Zarr. - Insurance, catastrophe modeling, or flood risk; knowing what an insurer does with a risk score at quote time helps a lot. - ISO 27001, SOC 2, DORA, or GDPR in a regulated data environment, including customer security reviews. - Terraform. APPLICATION PROCESS 1. Talent Acquisition Partner screening 2. Director interview 3. Live Coding and Whiteboarding 4. SVP interview   WORKING AT ICEYE At ICEYE, you’ll join a diverse and highly engaged team united by the ambition to make the impossible possible. As a global scale-up, we combine speed and ambition with the opportunity to take real ownership from day one. Your growth, wellbeing, and success are a priority, with continuous professional development, training opportunities, and a culture where collaboration is how we win. HOW WE WORK (OUR VALUES) Make the impossible possible: We set ambitious goals and stay calm under pressure. We bring grit, optimism, and ownership when things get hard, and we keep moving until we find a way. - Be curious: Go deep, ask questions, listen carefully, and think critically. Understand the “why” behind decisions. - See the big picture: Stay close to what’s happening across the company so you can make better decisions. Consider how your work affects others. - Drive effective teamwork: Create psychological safety, invite different perspectives, and build inclusive teams. There are no bad questions. - Act as one team: We win together. We match tasks to the right owner and stay agile as priorities shift. - Have fun: What we do matters—and it should be enjoyable. Celebrate progress, take pride in results, and share the wins. BENEFITS Our benefits are designed to support your health and wellbeing, at work and beyond. We keep improving them based on employee feedback, and offerings vary by location. Talent Acquisition will confirm what applies for this role and location during the process.   OUR COMMITMENT TO DIVERSITY, EQUITY, AND INCLUSION We want ICEYE to be a place where people can be themselves and do great work. Different backgrounds and perspectives make us stronger, which is why we work to create an environment where people feel included, respected, and able to speak up. Whatever your background, we want you to bring your authentic self to the table. We’re committed to fair, inclusive hiring and equal opportunity. Everyone is welcome to apply. If you need any adjustments or support during the recruitment process, tell us—we’ll do our best to help. Apply now to start your ICEYE journey, and help us continue to make the impossible possible together. Read more about ICEYE and working with us at iceye.com http://iceye.com.

Location: Remote - US Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. . Hiring and how we work We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! Also, while we are a remote-first company, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites or customer meetings. . See yourself at Twilio Join the team as Twilio’s next Architect on our Data Substrate team About the job Twilio runs on data, and the platform underneath it is entering a major shift. Open table formats, the convergence of lakes and warehouses, tightening privacy regulation, and AI workloads are all changing what a data platform has to do. We’re hiring an Architect to set our direction through that shift and to make sure the systems we build over the next 3-5 years are the right ones. You’ll own the technical strategy for our data platform, spanning storage, lake and lakehouse architecture, catalog and governance, and privacy-by-design. You’ll work across org boundaries, setting standards that dozens of teams build on and raising the technical bar for the engineers around you. Responsibilities In this role, you’ll: Own the architecture and multi-year technical strategy for the data platform, including the lake/lakehouse, ClickHouse, Elasticsearch, and governance, and keep them coherent as one platform rather than separate systems. Define where each engine fits (for example, ClickHouse versus open table formats on object storage) and the migration path between them. Make and document the major design decisions (ADRs, RFCs) on storage and open table formats, catalog strategy, compute engines, tenancy, data placement, and build-versus-adopt tradeoffs, with cost and performance at petabyte scale as explicit design constraints. Set the reference architectures for how our core storage and query engines (ClickHouse, Elasticsearch, and lake engines) are deployed, tuned, scaled and operated as shared platforms, including capacity, cost, tenant isolation, and upgrade strategy. Define the reliability model for the platform: availability targets, failure domains, disaster recovery, observability, and incident response patterns that teams can adopt. Build privacy and compliance into the architecture, not onto it. Design deletion and right-to-erasure, retention, data residency, and PII classification so they work across the platform’s storage layers, backups, and derived datasets, including data that arrives from upstream streaming systems. Drive data governance: classification, catalog and metadata, lineage, access control integrated with our authentication and authorization systems, data contracts, quality and integrity standards, and a catalog teams actually use. Review designs and technical direction across the org, and act as the escalation point on hard distributed-systems and performance problems. Mentor principal and senior engineers, and grow architectural judgment across the org, not only within one squad. Partner with product, security, infrastructure and consuming teams to turn business needs into platform roadmaps, and say no or re-sequence when the tradeoffs require it. Track emerging data technologies (such as streaming-first architectures, federated query, and AI-ready data layers) and bring forward the ones worth adopting, with evidence from prototypes or benchmarks. Qualifications Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table! Required: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience. 15+ years of experience in software development or a related field, with at least 8 years in an architecture or senior technical leadership role. Proven track record of architecting and delivering large-scale data platforms and setting their technical strategy, on cloud infrastructure such as AWS, deployed with Kubernetes, Terraform and Helm. Deep expertise in storage and compute for analytical data: columnar and open table formats, lake and lakehouse architecture, partitioning, indexing, query planning, and how the choices affect cost and performance at petabyte scale. Breadth across data storage and retrieval technologies, with hands-on depth in at least two of: analytical/OLAP engines (e.g., ClickHouse), search engines (e.g., ElasticSearch/OpenSearch), and lake or distributed processing engines (e.g., Spark, Trino, Flink). You can reason about when to use each, how they interoperate, and how to migrate between them. Working knowledge of streaming systems (e.g., Kafka) and how they interact with downstream storage. Practical experience designing data governance at scale: data classification, catalog and metadata management, lineage, and access control integrated with authentication and authorization systems. Practical experience implementing privacy and compliance requirements (deletion, retention, residency) across a large, heterogeneous data estate. Proficiency in one or more of Python, Java, and Go. Track record of writing and driving architecture decisions across multiple teams, and of changing the direction of an organization’s technical roadmap through influence rather than authority. Experience elevating engineering standards and mentoring senior engineers across teams. Demonstrated commitment to operational excellence: architecting for high availability, observability and incident response in distributed systems, and being credible when a platform is failing in production. Strong written and verbal communication, including making a complex tradeoff clear to engineers and to senior leadership. Desired: Experience operating one of these engines (e.g., ClickHouse, ElasticSearch) at scale, including replication, sharding, ingestion behavior, and multi-tenant isolation. Experience with catalog and metadata systems (e.g., Unity Catalog, Glue, Polaris, DataHub) and open table format catalog strategy. Experience with a platform migration across domains or ownership models, such as moving from central to domain-owned data. A track record of measurable cost optimization on large data platforms. Networking and network security knowledge. Location This role will be remote, and based in the United States. Travel We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings. What We Offer Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location Compensation *Please note this role is open to candidates outside of California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State. The information below is provided for candidates hired in those locations only. The estimated pay ranges for this role are as follows: Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $207,200 - $233,100. Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $219,360 - $246,780. Based in the San Francisco Bay area, California: $243,680 - $274,140. This role may be eligible to participate in Twilio’s equity plan and corporate bonus plan. All roles are generally eligible for the following benefits: health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave. The successful candidate’s starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location. Application deadline information Applications for this role are intended to be accepted until 1/4/2027 but may change based on business needs. Twilio thinks big. Do you? We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values — something we call Twilio Magic . Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts. So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions. . Stay alert to recruitment fraud We care about your safety. Scammers sometimes impersonate Twilio recruiters through fake job postings, emails, websites, or messages. Please ensure you are engaging with an official @ twilio.com email address. We will never ask for payment, gift cards, cryptocurrency, or banking information during the recruiting process. We do not make job offers without a formal interview process or conduct interviews exclusively through text-based messaging apps. . Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.