Backend Developer Python Nodejs Jobs in UK

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Mid to Senior Front End Developer

Mid to Senior Front-End DeveloperA fantastic opportunity for a Mid to Senior Front-End Developer to join a highly innovative, research-driven technology start-up working on cutting-edge systems. This organisation is building advanced platforms at th ...

Senior Full Stack Engineer: Ownership, AI, Stock Options

Be-IT is seeking a Senior Engineer in Edinburgh who wants to have a meaningful impact on product development. In this role, you'll work with modern technologies like React and TypeScript on the frontend and have the flexibility to work with various backend technologies such as Node.js, Python, Java, Go, or C#. T ...

Backend Engineer for AI Startup — Ownership & Impact

An innovative AI startup in Greater London is seeking a Software Engineer to join its high-caliber team. In this role, you will work on backend systems integrating with LLMs, having direct conversations with customers and shaping products that make a real impact. Ideal candidates should have strong experience in ...

Staff Software Engineer FinTech SaaS Platform

A high-growth B2B SaaS fintech located in Manchester is seeking a Staff Software Engineer to take on a critical leadership role within the engineering team. The successful candidate will be responsible for technical direction and system design, mentoring senior engineers, and ensuring high engineering standards. ...

Senior Full Stack Engineer, AI Driven Enterprise Platform

W3 Global Sourcing is looking for a Full-Stack Engineer to join their team in London. This role involves the design, development, and scaling of features for a next-generation AI platform used in high-stakes industries like investment banking. The ideal candidate will have over 5 years of experience, strong skil ...

Graduate Full Stack Engineer (Python/React) Fintech Growth

targetjobs UK is seeking a motivated Graduate Full Stack Engineer to join its tech team in Birmingham. The role involves working on backend-focused tasks while contributing to frontend features using technologies like Python, FastAPI, Next.js, and TypeScript. Ideal candidates are recent graduates with a degree i ...

Python Automation Engineer — Low Code, n8n & AI

A leading professional services firm in Central London is seeking a Low Code Software Engineer to innovate their automation journey. You will design intelligent workflows using Python and n8n, integrating core business systems and embedding AI agents via Microsoft Azure. Ideal candidates have 2–5 years of experi ...

Senior Software Engineer Platform Architect & Team Lead

A forward-thinking law firm in London is seeking a Senior Software Engineer to lead its engineering team. You will be responsible for designing the platform architecture, managing infrastructure, and ensuring security practices are robust. The ideal candidate has over 5 years of backend software experience with ...

Senior Software Engineer AI/Edge Backend (On site UK)

A leading AI company in Greater London is seeking a Senior Software Engineer to lead backend and edge/IoT engineering in their Defence business unit. The role requires strong experience in Python and a compiled language, along with robust DevOps skills. You'll collaborate with cross-functional teams to deliver h ...

Full Stack Engineer — AI Economics Platform (London, 4d/wk)

A tech-driven company in London is looking for a Full-Stack Engineer to help build a new platform focused on AI agent costs and margins. You will have full technical ownership of the architecture while collaborating with experienced founders. Ideal candidates should have 3+ years of experience in backend systems ...

Senior Full Stack Engineer Cloud, Security & Defence

A tech company is seeking a Senior Software Engineer to join their dynamic team in Farnborough, working on cutting-edge projects in secure digital technology. The role involves designing and maintaining software solutions, implementing backend systems using Java, Python, or Go, and deploying cloud services on AW ...

Senior Fullstack Engineer: AI Driven Internal Tools Remote

InfluencerUpdate is looking for a skilled engineer to join their team in London. The role involves building fullstack features for Midnite's internal back office platform, working closely with Product, Design, and engineering teams. Candidates should have over 5 years of experience in both frontend and backend d ...

Senior Data Pipeline Engineer Macro & Markets

A global data and technology company in London seeks a Software Engineer to build and maintain data pipelines for various Macro business areas. The role demands strong backend experience with Python and involves taking ownership of project delivery and enhancing data workflows. Candidates should have a degree in ...

Senior Full Stack Engineer for AI/ML Prototyping (London)

Autodesk is seeking a highly skilled Senior Full Stack Software Engineer to join our London team. In this role, you will develop and maintain both backend and frontend applications while supporting machine learning and AI systems. You'll collaborate with research scientists and ML engineers to rapidly prototype ...

Full Stack Software Engineer

Full Stack Software Engineer London, United Kingdom Description We’re looking for a Full-Stack Software Engineer (2–4 years experience) to join our Platform Performance team and help us deliver lightning-fast, scalable experiences to millions of users around the world. In this ...

Software Engineering Director

THE POSITION Our roster has an opening with your name on it As a Software Engineering Director for our Sportsbook Core Apps Enablement group, you'll be at the forefront of empowering our delivery teams to provide exceptional customer experiences at speed. You'll manage and mentor multiple ...

DevOps Fullstack Engineer

Join a fast-growing tech startup that is innovating the insurance industry through their unique and innovative technology. They are currently looking to hire an experienced and highly-driven Fullstack Engineer to join their dynamic mobile and web team to help them drive enhancements and product improvements.< ...

DevOps Fullstack Engineer

Join a fast-growing tech startup that is innovating the insurance industry through their unique and innovative technology. They are currently looking to hire an experienced and highly-driven Fullstack Engineer to join their dynamic mobile and web team to help them drive enhancements and product improvements.< ...

Lead Full Stack Developer

Are you an experienced Lead Full-Stack Developer who wants to architect the web and platform systems behind a large-scale live-service MMO? We’re hiring a Lead Full-Stack Developer to own the architecture, engineering standards, and team growth for the web and platform layer of an online mu ...

AI Software Engineer

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‑augmented generation, prompt optimization, and ...

AI Software Engineer

As a Software Engineer specializing in AI systems, you will play a key role in designing and implementing production‑grade software solutions that leverage cutting‑edge machine learning techniques, including large language models (LLMs), natural language processing systems (NLP), and AI agents. Your primar ...

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- ...

Front End Developer (DV Cleared)

Location: England Job Type: Permanent Industry: Cloud & Infrastructure Job reference: BBBH416732_1777290207 Posted: about 5 hours ago DV Cleared Front End Developer Location: UKClearance: DV clearance requiredSector: Defence & National SecuritySummaryOur client is seeking DV ...

Front End Developer (DV Cleared)

Location: England Job Type: Permanent Industry: Cloud & Infrastructure Job reference: BBBH416732_1777290207 Posted: about 5 hours ago DV Cleared Front End Developer Location: UKClearance: DV clearance requiredSector: Defence & National SecuritySummaryOur client is seeking DV ...

Senior Fullstack Engineer

Senior Fullstack Engineer - Shape the Future of AI VideoWe're building cutting-edge AI technology that is transforming how humans create and communicate. As a Senior Fullstack Engineer, you'll play a pivotal role in designing and scaling user-facing products that power millions of video generat ...

Senior Fullstack Engineer

Senior Fullstack Engineer - Shape the Future of AI VideoWe're building cutting-edge AI technology that is transforming how humans create and communicate. As a Senior Fullstack Engineer, you'll play a pivotal role in designing and scaling user-facing products that power millions of video generat ...

Senior Full Stack Developer (AI & Automation)

Description Position at Ookla The Opportunity:As a Senior Developer, you’ll have significant autonomy to shape how some of the world’s largest telecom operators communicate with consumers and detect issues across their networks. You’ll help evolve the platform into a proactive, intelligent s ...

Senior Full Stack Developer (AI & Automation)

Description Position at Ookla The Opportunity:As a Senior Developer, you’ll have significant autonomy to shape how some of the world’s largest telecom operators communicate with consumers and detect issues across their networks. You’ll help evolve the platform into a proactive, intelligent s ...

Senior Full Stack Developer (AI & Automation)

Description Position at Ookla The Opportunity:As a Senior Developer, you’ll have significant autonomy to shape how some of the world’s largest telecom operators communicate with consumers and detect issues across their networks. You’ll help evolve the platform into a proactive, intelligent s ...

Senior Full Stack Developer (AI & Automation)

Description Position at Ookla The Opportunity:As a Senior Developer, you’ll have significant autonomy to shape how some of the world’s largest telecom operators communicate with consumers and detect issues across their networks. You’ll help evolve the platform into a proactive, intelligent s ...

Senior Fullstack Software Engineer

The pitch. It’s a serious engineering role with a great team – and meaningful responsibility. This is not a narrow “ticket-closing” developer job. You won’t be handed tightly scoped Jira tasks inside a heavily layered team structure. You won’t be maintaining a disposable M ...

Junior Quant Developer Multi Strat Systematic Trading Fund

Junior Quant Developer – Multi-Strategy Systematic Trading Location - London (or NYC) Want to apply Read all the information about this position below, then hit the apply button.A leading investment firm specialising in multi-strategy systematic trading is seeking a Junior Quant D ...

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 enhan ...

Build System & CI Developer

Job Title: Build System & CI Developer Type: Permanent Location: Cambridge, United Kingdom Candidates must be based in UK // Hybrid working required // Nix experience essential Our client are an AI company based in Cambridge. We are seeking a Software Developer to suppo ...

Quantitative Developer (Multi Strat Hedge Fund)

A leading multi-strategy hedge fund is looking to hire a Credit Strat Developer to join a high-performing team supporting credit-focused PMs across London and APAC. This is a front-office aligned role, working closely with a profitable desk to build and enhance tools across the full trading ...

Build System & CI Developer

Job Title: Build System & CI Developer Type: Permanent Location: Cambridge, United Kingdom Candidates must be based in UK // Hybrid working required // Nix experience essential Our client are an AI company based in Cambridge. We are seeking a Software Developer to suppo ...

Senior JavaScript Developer

At Monterosa we're looking for a Senior JavaScript Developer to join our team. At Monterosa, we are passionate about bringing people together through engaging and interactive experiences in entertainment and sport. Our mission is to enhance popular culture by delivering innovative solutions for som ...

Senior Software Engineer: DevTools & Geospatial (Hybrid)

A leading geospatial software company in Cambridge is seeking a Senior Software Engineer to enhance developer tools and experience for their web and mobile applications. The role requires significant experience in Python, Docker, and SQL, offering flexible work arrangements and comprehensive benefits. The ideal ...

Software Developer (SFIA 4) SC / Newcastle CEA

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 Birmi ...

Senior Software Engineer, Canvas Core

About The Team The Canvas Core team builds and maintains the foundational platform that powers Mural’s visual thinking experience. This includes the infinite canvas, key editor components like widgets, editing actions, text editing, and side effects, as well as our custom-built graphics rendering ...

Junior Software Developer

Overview LMAX is renowned for its high-performance, ultra-low latency (we measure in microseconds) exchange written in core Java. We constantly push technology further than most, especially in our greenfield projects, driving the financial industry in new directions. If you want to work wit ...

Full Stack Developer

If you are a Full Stack Developer with strong UI experience, we have a new 1-year FTC we'd like to discuss with you. This role would be ideal for someone with 3-5 years' experience and requires 3 days per week onsite in The City of London. About the Company A leading global fi ...

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. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our ...

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. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our ...

Full stack Developer

Senior Full Stack Developer – ContractLocation: Hybrid in LondonContract: 6-month contract with the potential to extend.Start: ASAPAre you an experienced Senior Full Stack Developer ready to make a real impact in the fast-evolving compliance and f ...

Full stack Developer

Senior Full Stack Developer – ContractLocation: Hybrid in LondonContract: 6-month contract with the potential to extend.Start: ASAPAre you an experienced Senior Full Stack Developer ready to make a real impact in the fast-evolving compliance and f ...

Senior Backend Engineer – AI Cyber Security – Remote

Job Description The Role As a cloud-native backend engineer, You will work have the opportunity to work in Golang but do not need commercial experience in it to join this business. All previous hires came from other backgrounds (java C++) and the team is very happy to help t ...

Senior Backend Engineer (B2C, Large scale experience)

About UsGramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who trul ...

Lead Backend Engineer Platform Architect (Contract, UK)

A leading IT consultancy is seeking a Contract Software Engineer / Lead Developer to join their team in the UK. This role involves back-end development of a new platform using advanced software design patterns. The ideal candidate has over 5 years of experience and strong expertise in TypeScript. The position of ...

Senior Backend Architect, Cloud Platform (Go/Kubernetes)

A cutting-edge infrastructure company in the UK is seeking a skilled engineer to join their Cloud Platform team. The role involves architecting scalable cloud solutions and developing multi-cluster Kubernetes controllers. Candidates should have strong Go experience, expertise in Kubernetes, and a passion for sec ...

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