Senior Python Engineer – Data & Technology

London | £120,000 – £160,000 + bonus + benefits

Please note, this role requires four days on-site per week, with one day remote.

Are you a Senior Python Developer who thrives on solving complex, high-impact problems and designing systems that directly influence critical business decisions?

I’m working with a leading global trading firm in London that’s rapidly expanding its Data & Technology team. This is a rare opportunity to contribute to high-stakes trading infrastructure, working closely with a highly skilled, collaborative team of engineers and quantitative analysts from top-tier academic and technical backgrounds.

You’ll be tackling challenging, real-time problems at scale and helping to deliver solutions that drive measurable impact across the business. If you enjoy projects where your work has tangible commercial impact, this role could be a perfect fit!

What you’ll do

Partner with trading and analytics teams to design and optimise analytical models and processes. Build and maintain Python-based services, APIs, and data pipelines using modern frameworks and best practices. Develop solutions to support market data analysis, position management, and predictive modeling. Create cloud- tools and visualization interfaces to help teams make data-driven decisions.

What we’re looking for

Extensive professional experience with Python and object-oriented programming. Strong SQL and relational database skills. Familiarity with modern DevOps practices, including Docker and cloud- deployments. Experience in Linux and Windows environments. Exposure to AWS and Snowflake is highly desirable. Excellent problem-solving skills, intellectual curiosity, and the ability to communicate across technical and non-technical teams. Prior experience in trading or financial markets is a plus but not essential.

Why this opportunity stands out

Competitive package: £120k–£160k base + bonus + benefits. Work on technically challenging projects with tangible business impact. Collaborate with a high-achieving, innovative team. Strong culture of continuous learning, technical excellence, and innovation.

If you’re looking for a role that challenges your skills, makes a visible impact, and places you alongside some of the most talented engineers and analysts, I’d love to have a confidential conversation with you about this opportunity.