Python Software Developer Backend Jobs in UK

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C# Developer.Net AWS AI Finance

C# Developer / Software Engineer (.Net AWS AI) London / WFH to £80kAre you a C# Developer with finance experience?You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and have multi-billion dollars under management.What's in it ...

C# Developer.Net AWS AI Finance

C# Developer / Software Engineer (.Net AWS AI) London / WFH to £80kAre you a C# Developer with finance experience?You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and have multi-billion dollars under management.What's in it ...

Software Engineer

Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most backend systems look fine on paper until they hit production. This role is about building services that actually w ...

Lead Software Engineer

Lead Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most streaming platforms struggle to scale backend systems properly you’ve seen it. This role is about building ...

Senior Full Stack Developer

Senior Full-Stack Developer Location: London (Hybrid) Industry: FinTech Startup Employment Type: Full-timeAbout the Company We are a fast-growing fintech startup building modern financial products that simplify how businesses and consumers manage money. Our ...

Senior Full Stack Developer

Senior Full-Stack Developer Location: London (Hybrid) Industry: FinTech Startup Employment Type: Full-timeAbout the Company We are a fast-growing fintech startup building modern financial products that simplify how businesses and consumers manage money. Our ...

Senior Customer Support Engineer (EMEA) Remote

Job Openings Senior Customer Support Engineer (EMEA) - Remote About the job Senior Customer Support Engineer (EMEA) - Remote Our client is a fast‑growing international software company building high‑performance developer infrastructure used by teams around the world. To support their expa ...

Lead Software Engineer Al Product development

We are looking for a Lead Software Engineer - Al Product development to join our AI Engineering team in Barcelona. This is an exciting opportunity to work on cutting-edge AI-powered software, building reliable, scalable solutions that leverage Python, cloud technologies (Azure/AWS), microservices, and ...

Lead Software Engineer Al Product development

We are looking for a Lead Software Engineer - Al Product development to join our AI Engineering team in Barcelona. This is an exciting opportunity to work on cutting-edge AI-powered software, building reliable, scalable solutions that leverage Python, cloud technologies (Azure/AWS), microservices, and ...

Senior Python Engineer

This range is provided by Corecom Consulting. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Senior Python Engineer (Fully Remote, UK) Contract: Permanent Location: Fully remote (UK) with optional in-person ses ...

AI Software Engineer

AI Software Engineer (13551) Skills and Competencies 3+ years of experience in backend software development with a focus on Node.js, building scalable and production-grade systems Hands-on experience with AI applications, including LLM implementations, retrieval- ...

Full Stack Engineer

Overview This range is provided by Tech Talent Partners. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Full Stack Software Engineer - London (Hybrid) - Founding Team Member A leading UK based technology company ...

Generative AI Engineer

Canary Wharf (4 days/week on-site) We are recruiting on behalf of an exciting end client who is building high-impact AI-powered applications that deliver real business value at speed — and they need engineers who think holistically, automate relentlessly, and are fluent in the fast-moving world of ...

Independent Software Engineer (Remote) (Sheffield)

Job Description About the Project The full job description covers all associated skills, previous experience, and any qualifications that applicants are expected to have.Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you ...

AI Engineer

Job Description Role Summary We are looking for a AI(Fullstack) Engineer to help evolve IFS.ai Logistics into an agent‑first, AI‑native product . This is not a traditional “add AI to an existing system” role. You will design and build LLM‑powered ...

Remote Senior CodeQL Engineer — AI Powered Code Analysis

GitHub, Inc. is looking for a Remote Software Engineer to expand and maintain code analysis engines. Candidates should have at least 6 years of software engineering experience in languages like C, C++, and Python. Responsibilities include collaborating across teams to enhance product direction and engaging with ...

Cloud EnginSenior Software Engineer | Full Stack | React/Python/AWSeer

Senior Software Engineer | React, Python, AWS | Real-time Data Intelligence Platform Full stack (flexible on lean) Location: Hybrid (London, Oxford or Cambridge) We’re working with an early stage technology company building a production grade data platform for real time systems an ...

Software Engineer, Forward Engineering – Data & UX

A global software company in the United Kingdom is seeking a software developer to work on the Spotfire platform. The role involves using technologies such as C#, .NET, Python, and TypeScript while collaborating closely with customers to understand their business needs. Ideal candidates will excel in programming ...

Principal Software Engineer

I am looking for a Principal Software Engineer to join a leading AI cybersecurity startup who recently secured an additional $20 million in Series A funding. This investment will support the continued scaling of their platform, which experienced nearly 5x growth over the past year alone. This Princip ...

Senior Software Engineer

I am looking for a Senior Software Engineer to join a leading AI cybersecurity startup who recently secured an additional $20 million in Series A funding. This investment will support the continued scaling of their platform, which experienced nearly 5x growth over the past year alone. This Senior Sof ...

Senior Software Engineer

I am looking for a Senior Software Engineer to join a leading AI cybersecurity startup who recently secured an additional $20 million in Series A funding. This investment will support the continued scaling of their platform, which experienced nearly 5x growth over the past year alone. This Senior Sof ...

Principal Software Engineer

I am looking for a Principal Software Engineer to join a leading AI cybersecurity startup who recently secured an additional $20 million in Series A funding. This investment will support the continued scaling of their platform, which experienced nearly 5x growth over the past year alone. This Princip ...

Lead Software Engineer

Overview Support Consultant at Oliver Bernard | Specialising in building High-Performance Python, Data & AI teams across the UK and Europe Lead Software Engineer - Python, Java, Go, AWS, Terraform OB are partnered with a Series A funded scale-up, who work with some of the mos ...

Scientific Simulation Software Engineer

Wavephotonics in Cambridge seeks a Software Developer to design and maintain high‑performance numerical software applications. You will develop tools for light propagation simulations and collaborate with engineers to deliver quality products. Essential qualifications include experience in physical simulation so ...

Software Engineer

£40,000 - £45,000 per annum (depending on experience) Hours Flexible working available Hybrid working available after 6-month probation About the Opportunity Bolt Technical are recruiting on behalf of our client for a Back End Software Developer to join their growing ...

I&C Web & Automation Software Engineer (Energy Projects)

Amentum is seeking a Commissioning Engineer (Software Developer) in Bristol, UK to develop and support software for instrumentation and control (I&C) system commissioning activities across reactor units. The role involves designing solutions, improving web applications, and ensuring software quality. Ideal candi ...

Quantitative Developer Asset Management (Hybrid)

Legal & General is seeking a Quantitative Developer to enhance their Asset Management capabilities. This role involves designing and developing Python-based services for analytical and performance measurement purposes. Candidates should have strong Python and SQL skills, a collaborative mindset, and experience i ...

Software Engineer AI Driven, Multidisciplinary Systems

A Sheffield-based engineering consultancy is looking for candidates to join their multidisciplinary team. The ideal candidate will have a strong background in software development (frontend/backend) and experience deploying production code with technologies like CPP, JS, TypeScript, and Python. An interest in UX ...

Senior Backend Engineer — AI Platform (Hybrid London)

A growing AI startup in London seeks a Staff/Senior Backend Engineer to build robust systems for their AI platform. Candidates should have 4+ years of experience in software engineering, especially with technologies like Python and FastAPI. The role is hybrid, requiring in-person work four days a week, and offer ...

Backend Engineer in London LA International Computer Consultants Ltd

Staff-Level Full-Stack Software Engineer Location: 108 E 16th Street, New York, NY 10003 Salary: £130,000 - 143,000 per year Requirements: Strong experience building secure, scalable backend systems in Python and/or Go Deep understanding of contai ...

Senior Fullstack Engineer Hybrid, Cloud & APIs

A leading UK banking organization seeks a Senior Software Engineer (Fullstack) to develop scalable and secure applications. You will work in a hybrid environment and must be proficient in Python, Node.js, React, and containers. Ideal candidates have a strong background in both frontend and backend development, w ...

Product Engineer: Fintech for Fertility Financing

A growing fintech company in London seeks a Product Engineer to join a mission-driven team focusing on insurance-backed financing for IVF. You will be responsible for designing and building scalable software for financial processes, working collaboratively across various teams to enhance product features using m ...

Senior GenAI Engineer — Production AI for Planning

A leading software company in Greater Manchester is seeking a Senior GenAI Engineer to build production-ready AI features for business planning. The candidate will work on integrating and optimizing AI models, develop backend services, and collaborate with data scientists. Strong programming skills in Python, ML ...

Senior Backend Engineer Scalable Distributed Systems

Wise is looking for a Senior Software Engineer I to work on Account Communications in London. You'll improve delivery reliability and evolve platform infrastructure. Ideal candidates will know backend languages like Java, Kotlin, Python, or Go. Strong experience in designing scalable systems is required. Compens ...

Hybrid VP: Full Stack Engineer (Kotlin & Python)

Citibank (Switzerland) AG is seeking a Full Stack Engineer (Kotlin and/or Python) in Greater London. This VP-level role involves designing and developing cutting-edge financial software solutions while collaborating closely with business stakeholders. Candidates should have strong backend experience along with k ...

Full Stack Engineer AI Powered Workflows, London (Onsite)

A leading recruitment firm is seeking a Full Stack Engineer to join their product-focused team in London. This hands-on role involves designing software for complex workflows, utilizing TypeScript for frontend development and Python for backend services. The ideal candidate will have strong experience with moder ...

Engineering Manager Reference Data & Data Platform

Addepar is looking for an experienced Software Engineering Manager to lead their Reference Data Team in Edinburgh. You will oversee the delivery of high-quality projects using diverse technologies like PySpark, Python, AWS, and Kubernetes. A background in backend engineering and proven leadership experience are ...

Senior Backend Security Platform Architect

Arm in Cambridge is looking for a Senior Software Engineer to join their Vulnerability Research and Tooling team. You will be responsible for designing and building backend services for their central security analysis platform, which includes developing Python services and APIs. The ideal candidate should have s ...

Senior Backend Engineer — Scalable Systems, Remote

A cybersecurity intelligence platform is seeking a Senior Software Engineer to design, build, and scale core systems for their vulnerability intelligence platform. The role is remote-friendly, with a preference for candidates in Cheltenham, UK. Responsibilities include owning critical services and developing sca ...

Senior Software Engineer

About The Role As a Senior Software Engineer in our Defence business unit, you will lead backend and edge/IoT engineering for critical work streams, implementing robust, scalable patterns. You’ll bridge the gap between machine learning research and production‑grade software, raising the technical ...

Software Developer (SFIA 4) SC / Newcastle CEA

Job Description Software Developer Permanent | Hybrid (willing to travel to Newcastle) | Python | Apache | Data | SC cleared Hybrid work arrangement. Office attendance is up to 60%. Location is flexible: London, Leeds, Newcastle, Sheffield, Blackpool, Manchester and Birmingham. xwzovoh Yo ...

Lead Backend Engineer — Product‑Driven, Remote UK

A recognized staffing firm in the UK is seeking a Lead Software Engineer to spearhead backend development with a product-oriented approach. The role, based in London, allows for fully remote work for UK-based applicants. Candidates should have strong experience in programming languages like Python and Java, a ST ...

Senior PHP Developer

Senior Back-end Developer - PHP / Symfony Location: Leeds (Hybrid – 2 days per week onsite, Monday & Thursday) Salary: Up to £65,000 (DOE) The opportunity: We’re looking for a Senior Back-end Developer, with expertise in PHP and Symfony to join a growing technology team building moder ...

Graduate Quant Developer — Build Trading Systems & Models

Hunter Bond is seeking a Graduate Software Developer/Quantitative Developer to kickstart a career in technology and quantitative finance in Greater London. The role involves designing and enhancing trading systems, developing quantitative models, and collaborating with top talent in a high-performance environmen ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leading trading firm at the heart of ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leading trading firm at the heart of ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leading trading firm at the heart of ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leading trading firm at the heart of ...

Python Engineer

Join to apply for the Python Engineer role at LinkedTrade Join to apply for the Python Engineer role at LinkedTrade Are you a passionate Python developer looking for your next challenge? LinkedTrade Technologies Ltd, a leadi ...

Python Engineer

Overview Role: Python Engineer Location: Belfast, UK Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful diffe ...

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