Job ID: 6942Location: St Paul's LondonSalary: 180,000-220,000 per yearPosted: 2026-08-03Quantitative Developer (Python)London | Hedge Fund | Python | Research & Trading TechnologyBuilding great trading strategies requires great engineering.
We're looking for an experienced Python Developer to work alongside Quantitative Researchers, designing and building the software that underpins research, analytics and live trading. You'll join a highly technical environment where engineering quality, performance and collaboration are valued just as highly as innovation.
This isn't a traditional application development role. You'll help create the tools, workflows and platforms that enable researchers to move quickly from ideas to production, taking ownership throughout the full software lifecycle.
What you'll be doingPartnering with Quantitative Researchers to build software supporting research and tradingDeveloping scalable Python applications and workflowsDesigning high-performance solutions for processing and analysing large datasetsCollaborating with engineering teams to build reusable software componentsTaking ownership from design through to deployment and ongoing improvementSupporting business-critical systems within a modern engineering environmentWe're looking forStrong commercial Python development experience (4+ years)Degree in Computer Science, Mathematics, Physics, Engineering, Quantitative Finance or a similar technical disciplineExperience designing robust, scalable softwareUnderstanding of data processing, storage and analysisExperience with modern software engineering practices including Git and AgileExcellent communication skills and the ability to work closely with highly technical stakeholdersDesirable experienceC++ or KDB+/qQuantitative or financial engineering experienceCI/CD pipelinesLogging and monitoring platformsDatabase technologiesSoftware architecture and solution designWhy apply?
You'll work alongside some of the brightest engineers and quantitative researchers in the industry, solving complex technical problems that directly influence research and trading. This is an environment where ownership is encouraged, engineering standards are exceptionally high and your work will have a genuine impact from day one.
If you enjoy solving difficult technical challenges with Python and want to work in a collaborative, high-performance engineering team, we'd love to hear from you.
Quantitative Developer (Python) in London employer: Ncounter
Ncounter is an exceptional employer that fosters a collaborative and innovative work culture, where employees are encouraged to explore cutting-edge AI and data solutions. Located in a vibrant tech hub, we offer competitive benefits, continuous professional development opportunities, and a supportive environment that values creativity and teamwork, making it an ideal place for those looking to make a meaningful impact in the enterprise technology landscape.
