TL;DR

Senior Software Engineer (Fintech): Building and scaling performant, reliable, and scalable services for the API trading ecosystem with an accent on low-latency and high-throughput requirements. Focus on optimizing low-latency data flows and trading paths, ensuring correctness under pressure.

Location: Ljubljana, Slovenia

Company

Robinhood's mission is to democratize finance for all.

What you will do

  • Design and build performant, reliable, and scalable services for our API trading ecosystem.
  • Optimize low-latency data flows and trading paths, ensuring correctness under pressure.
  • Own and evolve core components of our REST, FIX, and WebSocket APIs.
  • Collaborate with product, infrastructure, and frontend teams to deliver seamless API solutions.
  • Participate in the team’s on-call rotation, supporting mission-critical systems used by our most active clients.
  • Continuously measure, monitor, and improve the trading API experience.

Requirements

  • 5+ years of backend engineering experience.
  • Proven experience designing high-performance systems with low-latency and high-throughput requirements.
  • Familiarity with cloud infrastructure, especially AWS services.
  • Solid database experience: SQL (MySQL) and/or NoSQL (DynamoDB).
  • Experience working on or with production-grade trading APIs or high-volume systems.
  • Structured thinker with strong communication skills and a customer-first mindset.

Nice to have

  • You’ve built or operated your own automated trading bot or trading system.
  • Hands-on experience with the FIX protocol and order management systems.
  • Knowledge of WebSockets, streaming market data, or real-time API performance tuning.
  • Passion for financial markets and an interest in building tools for professional traders.

Culture & Benefits

  • Robinhood provides equal opportunity for all applicants.
  • Offers reasonable accommodations upon request.
  • Complies with applicable equal employment and privacy laws.
  • Inclusion is built into how we hire and work—welcoming different backgrounds, perspectives, and experiences so everyone can do their best.