Trading Systems Software Developer - Systematic Market Maker
- London
- Permanent
- Full-time
Location: London (onsite 4 days)£200,000-400,000 total compensationQuant capital is urgently looking for a Software Engineer to join a prestigious market maker. This role sits in a highly autonomous engineering team building performance-critical trading systems that power both OTC and exchange-based strategies across global markets. You'll work on latency-optimised infrastructure designed for scale, precision and adaptability.The Role
This is a hands-on dev position focused on building pricing engines, market connectivity, execution logic, and real-time controls. You'll work directly with researchers and analysts, deploying models into production and designing architecture that balances performance and flexibility.Key Responsibilities
- Build and maintain low-latency trading platforms across asset classes
- Design pricing and risk logic, market data processing, and order handling
- Optimise data flow and system throughput under real-time constraints
- Implement core components in Kotlin (some C++ and legacy Python/Java)
- Engineer for reliability-testing, monitoring and rapid fault recovery
- Solid command of CS fundamentals-algorithms, architecture, systems
- Advanced experience in Kotlin or Java (Other languages considered C#/F#/C++)
- Deep familiarity with Linux environments and system-level APIs
- Experience with high-throughput, low-latency systems
- Ability to work independently and review code for correctness and clarity
- Finance experience not required, but curiosity helps
- High-impact team with wide scope and minimal red tape
- Build tech that goes live-trading billions in volume daily
- Fast feedback, full ownership, and close collaboration with research
- Real engineering challenges-performance, scale, reliability