Backend Developer Python Nodejs Jobs in UK

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Principal Backend Engineer — Hybrid in London

A growing SaaS platform provider in Central London is seeking a Principal Engineer to guide the technical direction of its product. The successful candidate will be essential in delivering high quality solutions, mentoring engineers, and contributing to architectural decisions. Key skills include proficiency in ...

Lead Backend Engineer, Data Infrastructure (Golang)

A global digital asset platform is seeking a Lead Software Engineer for its CoinDesk Data Engineering team in the UK. The role involves owning projects, driving operational standards, and ensuring quality in software delivery. Candidates should have over 6 years of backend development experience, proficiency in ...

Remote Backend Engineering Lead FinTech Platform

M-KOPA is seeking a Backend Engineering Team Lead to guide their growing FinTech Engineering team. In this fully remote role within the UK timeframe, you'll lead backend engineers in developing systems that will enhance financial inclusion across Africa. This position requires a strong background in C#/.NET and ...

Staff Full Stack Engineer – Remote/Hybrid SaaS Leader

A fast-growing UK SaaS company is seeking a Staff Engineer to work on full stack development of customer-facing products. This role offers remote working initially, transitioning to a hybrid model, with one day on-site in Manchester per week by 2027. Candidates must have at least 5 years of TypeScript experience ...

Senior Software Engineer

Senior Software Engineer (Backend) | Major UK Storage Platform Transformation | London / Remote | Up to £85,000 Ready to lead the backend transformation of one of the UK’s fastest-growing and most innovative storage platforms? Eager to dismantle legacy systems and build scalable, mo ...

Senior Software Engineer

Senior Software Engineer (Backend) | Major UK Storage Platform Transformation | London / Remote | Up to £85,000 Ready to lead the backend transformation of one of the UK’s fastest-growing and most innovative storage platforms? Eager to dismantle legacy systems and build scalable, mo ...

Lead Backend Software Engineer C#.Net Azure SaaS

Lead Backend Software Engineer / Developer (C# .Net Azure SaaS) Reigate / WFH to £100kAre you a backend focussed C# technologist with an indepth knowledge of Azure?You could be progressing your career in a senior, hands on role at a global InsurTech business that is producing game changin ...

Senior Python Engineer HealthTech Impact (Hybrid/Remote)

Tech4 is seeking a Senior Python Developer to design, implement, and maintain software systems with a focus on health tech. This hybrid role will be based in the Greater London area, offering a salary ranging from £68,000 to £70,000 plus excellent benefits. Candidates must have deep knowledge of Python, AWS, and ...

Python Automation Engineer: DB Ops & APIs

PURVIEW is looking for a Python developer in Sheffield to build scalable automation solutions for streamlining database operations. The ideal candidate will have hands-on experience with API development using Python and FastAPI, and a strong background in troubleshooting automation issues, design and deployment ...

Senior Python Engineer (6 Month Contract, Europe)

A recruiting firm is seeking a Senior Python Developer with 5 to 8 years of experience in software development. The role requires excellent skills in Python, back-end architecture design, and the ability to troubleshoot existing applications. Familiarity with Docker, Django, and MongoDB is a plus. This position ...

Senior Python Architect: Scalable, Cloud Native Solutions

Smartedge Solutions Ltd is looking for a skilled lead developer to design and architect complex Python applications in Baildon, England. The ideal candidate will have deep experience with Python frameworks like Django and Flask, extensive knowledge of relational and NoSQL databases, and a proven track record in ...

Senior Python Platform Engineer – Equity, Hybrid

A growing financial technology firm in Greater London is looking for a Staff Platform Engineer. The role involves leading complex engineering projects with a focus on Python, optimizing infrastructure, and collaborating cross-functionally to enhance developer experience. Ideal candidates will possess strong skil ...

Senior Python Engineer AI Agents & Team Lead

A leading engineering consultancy in Greater London is seeking a Senior Python Developer to design, develop, and maintain applications and APIs. The candidate will lead a small development team and integrate AI Agents with various systems. Required skills include strong Python development, experience with LangGr ...

AVP Trading Tool Engineer – Systematic & Credit Portfolios

A leading global financial institution in London is seeking a motivated trading tool developer to collaborate with traders and product teams. In this role, you will define business requirements, develop trading tools with Python and React, and maintain critical trading functions. Applicants should have experienc ...

Senior Python Data Engineer Greenfield ETL in Finance London

A market-leading trading firm in London is seeking a Software/Data Developer to join their data-focused team. You will develop a greenfield data ingestion platform using OO Python and design ETL pipelines. The ideal candidate has over 4 years of experience in OO Python development and finance, with a proven trac ...

Senior Python Engineer — Build Scalable Apps

A global financial services firm in Belfast is looking for a Senior Python Developer to enhance applications in the Wholesale Credit Risk Technology team. This role requires 5+ years of experience in building enterprise applications using Python and FastAPI. The candidate will work closely with onshore and offsh ...

Full Stack React & Python Engineer (Next.js/TS)

Java Script Works is seeking a talented Full Stack Next.js / Python Developer in Greater London. The ideal candidate will have strong expertise in Next.js, Python, mySQL, and experience with React and React Native. This role involves building dynamic applications and contributing to exciting projects in a collab ...

Senior Python Architect: Scalable, Cloud Native Solutions

Smartedge Solutions Ltd is looking for a skilled lead developer to design and architect complex Python applications in Baildon, England. The ideal candidate will have deep experience with Python frameworks like Django and Flask, extensive knowledge of relational and NoSQL databases, and a proven track record in ...

Senior Python Engineer & Tech Lead: Cloud & APIs

Hippo is recruiting a Senior Python Developer to join their team in Manchester. The ideal candidate will have extensive experience in Python and its frameworks like Django and Flask. Responsibilities include driving technical deliverables, collaborating with peers, and supporting client relationships. Benefits i ...

Full Stack Web Engineer: Build Scalable Apps

Wavephotonics in Cambridge is looking for a Full-Stack Web Developer to enhance the development of integrated photonics technologies. This role involves designing APIs, working with Python and JavaScript for seamless platform integration, focusing on user experience while maintaining technical excellence. The id ...

Senior Python & Code Migration Engineer Remote

Mindrift is looking for a Senior Python Developer in Glasgow with 5+ years of software engineering experience, particularly in functional testing. The role offers flexible, fully remote participation, allowing you to contribute 20-30 hours per week. Candidates should be skilled in Python, Docker, and Linux, and ...

Senior Python Data Engineer Greenfield ETL in Finance London

A market-leading trading firm in London is seeking a Software/Data Developer to join their data-focused team. You will develop a greenfield data ingestion platform using OO Python and design ETL pipelines. The ideal candidate has over 4 years of experience in OO Python development and finance, with a proven trac ...

Senior Software Engineer

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. Were redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes ...

Principal ML Platform Engineer

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance v ...

Clinical Software Full Stack Engineer (Real Time Tools)

A healthcare technology company in the United Kingdom is seeking a Software Engineer to lead the design and development of tools for cancer detection. You will work on user interface development, handle video processing, and implement backend systems in collaboration with researchers and clinical experts. Succes ...

Production AI Engineer End to End Systems

Oliver Bernard is seeking an experienced AI Engineer to build and deploy AI systems within a high-growth platform in the UK. You will be responsible for working across AI, backend, and product teams to deliver high-impact features. The ideal candidate has strong Python skills and experience with LLMs, balancing ...

Production AI Engineer End to End Systems

Oliver Bernard is seeking an experienced AI Engineer to build and deploy AI systems within a high-growth platform in the UK. You will be responsible for working across AI, backend, and product teams to deliver high-impact features. The ideal candidate has strong Python skills and experience with LLMs, balancing ...

Founding Senior Software Engineer, AI in Healthcare

A British healthtech startup is seeking a mid-senior level engineer to develop an AI co-worker that enhances care coordination in healthcare systems. The role is full-time and based in Central London. Responsibilities include collaborating with users, designing product features, and working with backend technolo ...

Web Developer with Angular Permanent

Web Developer with good JavaScript framework (angularJS, react, experience? Does being involved in design UX UI as well as Front End coding, get you passionate about the sites and pages you develop? Want to work in a software house, within a front end team, which is fun, casual and everyone valued? ...

Principal Software Engineer

Overview Staff Engineer / Principal Engineer / Lead Engineer - Full Stack. UK Remote working to Hybrid: Moving to on-site in Manchester one day per week by 2027 (estimate). Lead Forensics is a leading UK based SAAS company with products in the B2B sales and marketing space. We’re se ...

Principal Software Engineer

Staff Engineer / Principal Engineer / Lead Engineer - Full Stack UK Remote, moving to Hybrid: Manchester area by 2027 (estimate) Summary Lead Forensics is a leading UK based SAAS company with products in the B2B sales and marketing space. We’re seeking a Staff level full stack S ...

Junior Front End Developer

Position Summary Byte9 are one of the leading agile web development companies in London and we are looking to expand our experienced team. We specialise in feature-rich web applications, content management and ecommerce products and client web and mobile site development, increasingly we work wit ...

Staff Full Stack Engineer ( New )

Staff Frontend / Full Stack Engineer Remote / Hybrid UK ( Must have access to the Belfast office ) Permanent The Opportunity OCHO is partnering with a product-led technology organisation seeking a Staff-level Frontend / Full Stack Engineer to help shape the future of its product platform and frontend architectur ...

AI Engineer Starter Course (Kingston upon Hull)

Junior AI Developer Programme – Job Support IncludedIncrease your chances of an interview by reading the following overview of this role before making an application.Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, a ...

Entry Level AI Training with Career Support (Kingston upon Hull)

Junior AI Developer Programme – Job Support IncludedIncrease your chances of an interview by reading the following overview of this role before making an application.Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, a ...

Junior AI Developer Program with Job Placement (Kingston upon Hull)

Junior AI Developer Programme – Job Support IncludedIncrease your chances of an interview by reading the following overview of this role before making an application.Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, a ...

AI Engineer Starter Course Job Support Included for Fast Track to Employment (Kingston upon Hull)

Junior AI Developer Programme – Job Support IncludedIncrease your chances of an interview by reading the following overview of this role before making an application.Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, a ...

AI Engineer Starter Course (Kingston upon Hull)

Junior AI Developer Programme – Job Support IncludedIncrease your chances of an interview by reading the following overview of this role before making an application.Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, a ...

AI Engineer Starter Course Job Support Included for Fast Track to Employment (Kingston upon Hull)

Junior AI Developer Programme – Job Support IncludedIncrease your chances of an interview by reading the following overview of this role before making an application.Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, a ...

Entry Level AI Training with Career Support (Kingston upon Hull)

Junior AI Developer Programme – Job Support IncludedIncrease your chances of an interview by reading the following overview of this role before making an application.Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, a ...

Junior AI Developer Program with Job Placement (Kingston upon Hull)

Junior AI Developer Programme – Job Support IncludedIncrease your chances of an interview by reading the following overview of this role before making an application.Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, a ...

Senior Software Developer

About The Role We are seeking a Senior Developer based in London to design, build, and operate backend services for our global payment gateway system. You will develop high‑performance, secure microservices using Java and Spring Boot, collaborate closely with platform, product, and infrastructure ...

Software Developer / Tech Generalist (m/f/d)

Software Developer / Tech Generalist (m/f/d) We’re looking for a Software Developer / Tech Generalist to join our Platform Team as developer #3. We need someone who thrives on variety - you’ll jump from AWS infrastructure to no-code automations, from debugging Python backends to optimising custom ...

.NET Developer (.NET Coder)

LocationBasildon, UK , United Kingdom# .NET Developer (.NET Coder) at N Consulting LtdLocationBasildon, UK , United KingdomSalary£300 - £350 /dayJob TypeContractDate PostedApril 15th, 2026Apply NowRole: .NET Developer (.NET Coder) Location: Basildon, UK (Onsite) Duration: ContractRole OverviewWe are looking fo ...

eDV / UK*C Contract Opportunities

eDV / UK*C Contract Opportunities Up to £800 per day London Active eDV / UK*C security clearance required Contract positions available with leading technology companies, consultancies, and SMEs in the UK Cyber, National Security & Intelligen ...

Founding Senior Software Engineer, AI in Healthcare

A British healthtech startup is seeking a mid-senior level engineer to develop an AI co-worker that enhances care coordination in healthcare systems. The role is full-time and based in Central London. Responsibilities include collaborating with users, designing product features, and working with backend technolo ...

Client Facing Tech Consultant: Cloud, AI & Automation

Verelogic is looking for a Technical Consultant in the United Kingdom to lead client projects from discovery to implementation. The candidate will focus on delivering tailored IT solutions while ensuring compliance with client policies. With a minimum of 2 years in backend engineering and proficiency in Python a ...

Backend Engineer for AI Driven Sports Analytics

A leading sports analytics company in the UK is seeking a Backend Software Engineer to join their team. This role involves developing innovative insights for tennis analytics, managing databases, and deploying APIs for broadcast partners. Ideal candidates will have experience in Python, cloud technologies like A ...

AI Driven Backend Engineer — Cloud Native & Scalable

Faculty is seeking skilled engineers in Greater London to develop the cutting-edge AI platform, Frontier. This role emphasizes backend services and cloud infrastructure. You will collaborate with cross-functional teams to create scalable software solutions in Python while engaging in Agile practices. Ideal candi ...

Senior AI Engineer: Generative ML & Platform Innovator

A leading fintech company in Greater London is seeking a Senior AI Engineer to drive the adoption of Generative AI technologies. The role involves mentoring peers, setting engineering practices, and designing AI solutions with cross-functional teams. Candidates should have hands-on experience with LLMs and stron ...

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    Backend Developer Python Nodejs Jobs in United Kingdom Job Search Guide, Trends and Insights