Top Tech Jobs & Startup Jobs in Boston, MA

Design, build, and operate cloud-native, high-throughput payment and purchasing systems. Implement reliable backend APIs and modern frontends, embed automated testing and observability, champion event-driven patterns, and own operational readiness and scalability.

Lead and manage a team building and operating Topstep's Trading Platform. Accountable for team hiring, development, reliability, on-call/incident response, delivery cadence, and cross-functional partnership. Provide technical guidance for backend/distributed, real-time systems and ensure observability, performance, and operational excellence while balancing feature delivery and technical investment.

Lead the mobile application strategy for iOS and Android at Topstep, focusing on user engagement, performance, and cross-functional collaboration in the Fintech space.

As a Senior Data Engineer, you'll design and maintain scalable data pipelines, optimize workflows with dbt and Snowflake, and mentor teams across functions to enhance data reliability and performance.

Own and resolve complex, recurring trader-impacting issues by reproducing, diagnosing, and shipping code fixes. Write backend C#/.NET and React front-end code, build admin tooling, improve observability, lead incident response and post-incident reviews, and partner across engineering, QA, Cloud Ops, and Product to reduce recurring support toil.

Build and own a framework-agnostic charting engine core and its React binding: rendering layers, real-time data plumbing, indicator math, drawing tools, performance (60fps) discipline, visual testing, architectural leadership, mentoring, and integrations across web and mobile.

The Senior Software Full Stack Engineer will design and develop cloud-native applications, ensuring reliability and scalability while collaborating with product engineers and improving coding standards.