What are the responsibilities and job description for the Senior Java Developer - Systematic Trading (Post-Trade) position at Radley James?
Senior Java Developer – Systematic Trading Infrastructure
Location – Chicago or New York
A leading proprietary trading firm specialising in quantitative market making and systematic trading is seeking a Senior Java Developer to join its Post-Trade Technology team.
The firm operates across global derivatives and electronic markets, leveraging advanced technology, high-performance infrastructure, and quantitative research to power sophisticated trading strategies at scale.
As a Senior Java Developer, you will:
- Architect and build resilient, high-performance Java services powering critical post-trade workflows across the firm.
- Design scalable distributed systems capable of processing millions of trades daily with low-latency position and risk updates.
- Partner closely with traders, quant developers, and engineering teams to enhance APIs and trading infrastructure across Java, C , and Python environments.
- Contribute to the evolution of a next-generation trade and positions platform focused on scalability, reliability, and real-time risk awareness.
Key Requirements
- Bachelor’s degree in Computer Science, Engineering, or a related technical field.
- Expert-level Java (ideally in low-latency / mission-critical settings)
- Experience of trade capture, trade processing or reconciliation
- Exposure to trading systems, capital markets technology, or real-time risk infrastructure.
This opportunity offers highly competitive compensation, strong engineering ownership, and the chance to work on business-critical systems at the core of a world-class trading operation.