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Senior Full Stack Developers (10+ years) to build scalable low-latency trading systems using Co[...]

Company: S I Systems

Location: toronto, London

Posted: June 16, 2026

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Position Details

Senior Full Stack Developers (5+ years) to build scalable low-latency trading systems using Core Java and microservices architecture

Our financial industry client is seeking a Senior Full Stack Developer (5+ years) to build scalable low-latency trading systems using Core Java and microservices architecture.

Join a high-performing Equities Technology team solving complex financial systems challenges and delivering trading solutions for global markets. This role focuses on designing and implementing next-generation Cash Equities platforms supporting high-throughput, real-time order management. The successful candidate will contribute to globally distributed development efforts driving future‑state architecture modernization.

Contract, Toronto, Hybrid, Working Hours: EST

Must Haves

  • 5+ years in software engineering of low-latency or real-time systems
  • Strong Core Java and microservices ...