A leading quantitative trading firm is looking for a Senior Python Developer to join a highly technical engineering team building the systems that sit at the heart of a modern trading business. This role is ideal for an engineer who enjoys solving complex backend and distributed systems problems in a fast-paced, technically demanding environment. You'll work closely with traders, researchers, operations and other engineers to build the infrastructure that supports trading activity globally.
Key Responsibilities
- Design, build and maintain business-critical trading infrastructure and backend services.
- Develop systems across trade capture, position management, reconciliation and settlement workflows.
- Build scalable data platforms to support trading, risk and operational processes.
- Create internal tooling used by traders, quantitative researchers and operations teams.
- Improve the performance, reliability and scalability of existing systems.
- Collaborate closely with stakeholders across engineering, trading, quantitative research and operations.
- Take ownership of projects from design through to production deployment and support.
- Contribute to architectural decisions and engineering best practices across the platform.
- Troubleshoot complex production issues and continuously improve system resilience.
Key Requirements
- Strong commercial experience developing software in Python.
- Experience within trading, market making, electronic trading or financial markets technology.
- Strong knowledge of Linux environments and operating systems.
- Solid SQL and PostgreSQL experience.
- Experience building and operating production-grade backend systems.
- Exposure to market data, execution systems, position management, reconciliation or settlement platforms.
- Knowledge of C++ or other performance-oriented languages.
- Strong understanding of software engineering fundamentals, design patterns and system architecture.
- Experience working with distributed systems, messaging platforms or event-driven architectures.
- Excellent problem-solving skills and ability to work independently.
- Comfortable working directly with technical and non-technical stakeholders.

Job ID PR/608972
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