lead python developer jobs in Chesterfield

You will lead a team working across Python, Go, modern data architectures, and cloud-native infrastructure. If you enjoy designing systems that scale, mentoring engineers, and influencing product direction, we want to talk to you.

You will shape the core architecture of the platform.

Python/Golang/Rust Developer - Digital Assets arm of Global Fund - Up to £200k base + Bonus One of the leading absolute return/hedge fund managers within finance, currently managing over $40bn, is diversifying further by creating a separate division to focus on managing crypto and digital asset strategies. Meaning these guys offer the dynamism and entrepreneurial spirit of a small firm, with...

RJC are partnering with a leading European energy trading company currently seeking a Python Developer to join their growing engineering team. This is an exciting opportunity to work on high-impact systems that support real-time trading, risk management, and data-driven decision making. Key Responsibilities Develop, maintain, and optimize Python applications for trading and analytics Integrate...

Senior Python Developer - Python, Flask, SQL, AWS OB have partnered with a FinTech company, who are looking to bring on a Senior Python Developer to their highly skilled engineering team, where you'll have the opportunity to work closely with the CTO & Head of Engineering to have an impact from day one, and develop their systems. In this role, you'll design highly complex systems and...

Senior Software Developer - Java / Python with Delphi We’re looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You’ll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform...

2x Python Developers – NHS OR Central Gov. experience is ESSENTIAL *Full Stack; Python, Vue and AWS* Location: Leeds 1-2x per Month Contract Type: Contract Rate: £500/day Inside IR35 Duration: Until December 2026 (13 Months) Overview We’re working with a digital consultancy delivering modern, user-centred technology solutions within the NHS. They’re looking for an experienced Python...

Foxley Talent are working with a growing SaaS company that's building a powerful platform to help businesses manage employee shares and incentive plans. They are looking for a driven Senior Python/Django Developer in the UK to join their fully remote team and play a key role in the next phase of product growth. This is a hands-on role in a small but ambitious company solving real-world problems...

Freelance Python Developer | Part-time contract | Outside-IR35 Location: Remote UK Contract: Part-time (ideally long-term collaboration) Outside IR35 / Freelance Outside IR35 Time requirements: minimum 1 day per week We’re partnering with an independent, not-for-profit organization that provides trusted testing and certification services to the jewellery and precious metals sector. They’re...

Senior Python Developer – iGaming (RGS Integration) Location: Buenos Aires, Argentina Salary: negotiable, depending on experience Clear Edge has partnered with a leading iGaming provider to recruit a Senior Python Developer. This is a chance to join a fast-growing company where you’ll play a vital role integrating their Remote Gaming Server (RGS) with global casino platforms, ensuring secure,...

A data-led digital business is hiring a Web Data Engineer to solve complex challenges around large-scale data collection, website access, and automation. This is a hands-on technical role for someone who can architect stable, scalable systems that extract, process, and enrich web data — and now, help integrate AI-assisted workflows to make those systems even smarter. Role: Web Data...

We are delivering a large-scale, multi-year AI-enabled digital services programme aimed at transforming citizen-facing experiences across the UK. The programme focuses on building secure, scalable, and AI-powered services, with an emphasis on trust, resilience, and common digital standards. Candidates will join a cross-functional team shaping next-generation public services through cutting-edge...

Cognizant Apigee Lead Developer Hybrid role with once per month visit to the office in Leeds. Looking for someone who is SC Cleared or SC Eligible (has lived in the UK for the last 5 years) Summary Apigee Lead Engineer with strong expertise in Google Apigee, including migration from Apigee Edge to Apigee X. Skilled in bridging development and operations by automating workflows, optimizing...

Lead Backend Developer Location: London - 1x a month Salary: Up to £120,000 (D.O.E) + benefits Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead...

Senior/Lead Magento Developer Remote (UK Based) £55,000-£70,000 This agency is growing at a rate of knots and with their recent project wins comes rapid expansion. They stand out as a clear example of how to do it right and are winning awards for it. You’ll be joining their established Magento team and leading on a significant project that is of high value/ critical importance to the...

Position: Lead Azure Developer - Acturis API / Insurance products MS Stack - Developing frontend applications Salary: 80k-90k GBP Industry: Financial Services - Insurance Remote: 1 day in the office per month Location: Bristol or London If you're Senior Software Engineer who enjoys working with Acturis API and you're looking to join a small team of engineers, for a leading insurer, then...

Lead Optimisation Engineer – Python / Pyomo / Gurobi 💻 Fully Remote (UK) | 🏙 2 Days in London Office per Month 💰 Base Salary up to £85,000 + Performance Bonus Are you a problem-solver who loves applying mathematical models to real-world optimisation challenges? We’re looking for a Lead Optimisation Engineer to take ownership of a core optimisation engine that drives intelligent routing and...

Crosstide is a London-based digital transformation consultancy with a proven track record of delivering high value and complex software development for enterprise businesses. Engineering quality and speed to value are the DNA of the business, true to the founding values of quality, simplicity and collaboration. We’re looking for a Lead Engineer to join a major transformation programme...

You will have the opportunity to work with . Net Core, ReactJS, Cloud and Container technologies, numerous database engines all in a high performance, high availability, and highly secure environment.

You will want to push yourself and constantly learn new skills

You will be very well organised and can organise others

You will want to take ownership of our product and care about our platform

About the Job We’re looking for a Lead Full-Stack Developer to take the reins of our web engineering team and drive the development of high-performance, scalable, and secure full-stack applications. This is a hands-on leadership role for someone who thrives at the intersection of architecture, development, and team mentorship. You’ll own our full-stack systems from backend services and cloud...

Senior Python Developer - Python, Flask, SQL, AWS OB have partnered with a FinTech company, who are looking to bring on a Senior Python Developer to their highly skilled engineering team, where you'll have the opportunity to work closely with the CTO & Head of Engineering to have an impact from day one, and develop their systems. In this role, you'll design highly complex systems and...