Backend Python Developer jobs in London

Mustard Systems

Description At Mustard Systems, we leverage statistical modeling to dive into sports events and help us make informed predictions about future outcomes. By utilising our unique datasets, advanced statistical models, and custom-built software, we strive to accurately forecast sports results. We value

Prolo

About the role We are seeking a Python Developer to join our team and help build the next generation of AI solutions. This is a unique opportunity to be a key technical contributor in a fast-paced, innovative environment where you'll wear many hats and have significant impact on our product and engi

Research Central

About the role We are currently looking for an experienced Backend Developer who has the capability, know-how and wherewithal to help drive forward the company's technical vision whilst remaining very hands on. This is an exceptional opportunity to join a young mobile & web product team. You'll

Join a team of superheroes! 👊 Teamtailor is an Employer Branding & ATS SaaS platform used by over 3.000 companies 🤩, 110.000 users🕺🏻 in 90 countries around the world 🌏 Working at Teamtailor means working at a young, international, and fast-pace tech startup with smart people who are passion

Talent Locker

Job Description Backend Software Engineer - Python Location: London (in-office 4 days per week, non-negotiable) - Office is near Holborn EC1 - Please do not apply if you cannot get to the office 4 days (Mon-Thursday) per week Type: Full-time Reports to: Head of Engineering Salary: £90,000-£105,000 +

Vbeyond

£90,000 - £120,000 /year

We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhan

emagine Polska

Python DeveloperLondon- (Hybrid)£750 -£800 emagine is a high-end professional services consultancy and solutions firm Specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end co

collectivework

Job description We are looking for a Senior Backend Java Developer to join the transformation of a strategic digital product enabling connectivity with external sales channels such as marketplaces, social commerce and quick-commerce platforms. The role focuses on contributing to a major architecture

Akkodis

£80,000 - £95,000 /year

Senior Python Developer - Banking London, UK | Hybrid | c.£ depending on experience Permanent Brief We're hiring a Senior Python Developer to join a high-performing engineering team within a banking environment. Key Responsibilities Build and scale Python-based backend systems and APIs Work on high-

Integrity360

Role: Senior Developer Location: Remote with occasional travel to office About Us Integrity360 is the largest independent cyber security provider in Europe, with a growing international presence spanning the UK, Ireland, mainland Europe, Africa and the Caribbean. With over 700 employees, across 12 l

collectivework

Job description Context This digital product is part of a high-growth strategic pillar dedicated to digital expansion. It is a critical solution enabling product sales through a diverse network of external channels (general marketplaces, social commerce, quick-commerce). The platform is currently un

Citi

Job Req Id 26960124 Location(s) London, England, United Kingdom Job Type Hybrid Posted May. 11, 2026 Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the o

Mindrift

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. About The

Vitol

Company Description Vitol is a leader in energy and commodities. Vitol produces, manages and delivers energy and commodities, including metals, to consumers and industry worldwide. In addition to its primary business, trading, Vitol is invested in infrastructure globally, with $13+billion invested i

Citigroup

Are you looking for a career move that will put you at the heart of a global financial institution? We are seeking an exceptionally skilled Senior Python Software Engineer to architect and implement robust, scalable backend systems that power our advanced AI tools and services. This hands-on individ

DeepHealth

Job description Company Overview CIMAR UK Ltd, now a part of DeepHealth, is a leading provider in the SaaS (Software-as-a-Service) healthcare sector, specialising in advanced cloud-based image management solutions. Our technology empowers healthcare organisations to optimise image management process

Apple

The documentation engineering team is responsible for creating world-class developer tools and framework-level support for the documentation workflows on the developer website and Xcode. We’re looking for a software engineer to join the backend team and continue to scale and improve our existing tec

DV Cleared Python Developer Introduction Our client, a well- established and growing SME, is seeking skilled Software Engineers to join their dynamic team. With the successful acquisition of key projects and programmes, this is an excellent opportunity to contribute to innovative solutions. Please d

Maven

Maven is a market-leading proprietary trading firm deploying its own capital across discretionary, systematic, and market-making strategies. Backed by deep expertise in trading, technology, and research, we are relentlessly focused on improving liquidity across global listed derivatives. Through adv

Job Title : Sr Python Developer Job Location : London, UK /Hybrid Job type : 6 Months Job Description We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing log