Senior Software Engineer (Fintech, Go)

TL;DR

Senior Software Engineer (Fintech, Go): Building and optimizing high-performance, low-latency trading infrastructure and APIs for a financial platform with an accent on API design, data correctness, and scalability. Focus on owning core components of REST, FIX, and WebSocket APIs and improving the trading API experience for sophisticated users.

Location: Ljubljana, Slovenia

Company

hirify.global is on a mission to democratize finance for all, building the future of finance for younger generations inheriting significant wealth.

What you will do

• Design and build performant, reliable, and scalable services for the API trading ecosystem.
• Optimize low-latency data flows and trading paths, ensuring correctness under pressure.
• Own and evolve core components of 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 for mission-critical systems.
• Continuously measure, monitor, and improve the trading API experience.

Requirements

• 5+ years of backend engineering experience, with deep expertise in Golang.
• Proven experience designing high-performance systems with low-latency and high-throughput requirements.
• Familiarity with cloud infrastructure, especially AWS services.
• Solid database experience with 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.

Nice to have

• Experience building or operating automated trading bots or systems.
• 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 interest in building tools for professional traders.

Culture & Benefits

• hirify.global provides equal opportunity for all applicants.
• Reasonable accommodations are offered upon request.
• Company complies with applicable equal employment and privacy laws.
• Inclusion is built into how we hire and work, welcoming diverse backgrounds and perspectives.
• Total Rewards vary by region and entity.