OverviewPython Software Engineer : Elite Quant Fund : London : £150-200k + top bonus

Our client builds the technology and systems that redefine markets. They\''re a research-driven quantitative trading firm where software is central to every decision, and Python is the backbone of our strategy development and execution stack.

We\''re looking for a world-class Python Software Engineer who writes clean, fast, production-grade code—and knows how to work where performance meets precision.

What You\''ll Work On

Architect tools and infrastructure for quantitative research and trading strategy development.

Build robust data pipelines ingesting terabytes of market and alt data with sub-second latency

Design elegant APIs to connect researchers, trading systems, and execution engines

Automate everything: backtesting, model deployment, risk analytics, and real-time reporting

What Sets You Apart

Deep experience with Python in a high-performance, production-grade setting.

Strong fundamentals in software engineering: testing, version control, CI/CD, clean architecture

Passion for building internal tools, research frameworks, or working on data-heavy systems

Bonus: Exposure to pandas, NumPy, asyncio, Cython, or PyArrow. Familiarity with C++ is a plus

Bonus++: Experience working with quants, data scientists, or in trading environments

Python 3.11+ (fast, modern, typed)

Internal frameworks built for scale and speed

Why Join

Engineers own projects end-to-end—from design to deployment to impact

Work side-by-side with quants, traders, and researchers in a flat, fast-moving team

Competitive compensation at the top of the market, with research-aligned bonuses

No bureaucracy. No legacy. Just smart people solving hard problems, fast

Role Details

Seniority level: Mid-Senior level

Employment type: Full-time

Job function: Information Technology, Engineering, and Production

Industries: Financial Services, Technology, Information and Media, and Banking

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