Back-End Engineer - Fintech/AI

Backend Engineer - FinTech Location: New York City (Hybrid) Salary: Up to $190k + equity Industry: FinTech / Financial Services Who You’ll Join A team of 9 engineers building a regulated brokerage platform democratizing access to institutional-grade strategies. They’re about to close what is poised to be the biggest non-AI pure Series A in the last 12 months. Backed by a16z & Sequoia, you’ll work with veterans from Goldman Sachs, Robinhood & Affiirm & technical leaders from Harvard & MIT. Leadership (including CEO & VP Eng) code daily in an ownership-first culture. What You'll Drive You’ll design and scale cloud-native systems for a high-performance platform handling millions of API calls, powering a regulated brokerage platform where investors and experts seamlessly share/execute strategies. You’ll lead architecture, ensure reliability at scale, and maintain compliance while supporting rapid growth post-Series A. What You'll Focus On Build & optimize backend services & APIs using Python, C# on AWS (EKS, DynamoDB, Postgres, Kafka). Scale infrastructure for millions of transactions with low latency & high availability. Own end-to-end delivery of key components, ensuring seamless data flow. Adapt quickly to shifting priorities while balancing short-term needs & long-term scalability. Collaborate cross-functionally to deliver features & scale post-Series A. Who You Are 3+ years building backend microservices in Python or C# at high-growth startups. Proven success scaling AWS infrastructure (EKS, Lambda, Kubernetes), event-driven systems (Kafka, SNS & SQS), and databases (Postgres & DynamoDB). Strong knowledge of REST & gRPC best practices for performance and reliability. Take initiative, ship code quickly, and thrive in a high-trust, flat culture. Experience working on rapidly scaling systems/teams through growth phases (Seed → Series A → Series B). Python-focused but adaptable, quickly mastering new tools & technologies. Degree from a top CS school or prestigious programs like Neo or VC Fellows. Experience or interest in FinTech/Financial Services and AI tools like Cursor, GitHub Copilot, and Claude. Why You’ll Thrive Here Greenfield: Build new systems from scratch - no legacy code. Stability: Join a team with zero engineer turnover in 2+ years. Growth: Accelerated scaling of product & team fueled by Series A funding. Funding: Backed by $17M+ from top investors & angels (Uber & Robinhood leaders). Benefits: Hybrid work, 100% paid health coverage, unlimited PTO, and equity (top 75% tier for companies at this stage). This role is open to US citizens and Green Card holders only. #J-18808-Ljbffr