Software Engineer – Python / Microservices – ON-SITE

Job Overview

/>Location: New York City (Hybrid)Salary: Up to $190k + equityIndustry: FinTech / Financial Services
Who You’ll JoinA group of 9 engineers is developing a regulated brokerage platform aimed at democratizing access to institutional-grade strategies. They are on the verge of completing what is expected to be the largest non-AI Series A round in the past year. Supported by a16z and Sequoia, you will collaborate with seasoned professionals from Goldman Sachs, Robinhood, and Affirm, as well as technical experts from Harvard and MIT. The leadership team, including the CEO and VP of Engineering, engages in coding daily within a culture prioritizing ownership.
What You’ll DriveYou’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 OnBuild & optimize backend services & APIs using Python, on AWS (EKS, DynamoDB, Postgres, Kafka). Migrating from C#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 Are3+ 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.Experience or interest in FinTech/Financial Services and AI tools like Cursor, GitHub Copilot, and Claude.
Why You’ll Thrive HereGreenfield: 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.

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