2,116,922+ Full Stack Java Developer Python Jobs in UK — Top Companies Hiring June 2026

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AI Full Stack Engineer: Build Scalable LLM Apps

Required Skills Strong experience with Python (backend development) Solid frontend skills in React + TypeScript Hands‑on experience with LLMs (OpenAI, open‑source models, etc.) Proven work with RAG architectures (LangChain, LlamaIndex, vector DBs like Pinecone, ...

Remote Full Stack Engineer — Build AI Driven Features

ElevenLabs is seeking Full-Stack Engineers to develop and maintain their product suite, utilizing cutting-edge voice models. You will have the flexibility to work remotely or from offices in major cities such as London and New York. Responsibilities include building new proof-of-concept products, improving exist ...

Remote Full Stack Engineer .NET/Azure | Scalable SaaS

A UK-based software development company is seeking a Full Stack Engineer for a remote role. You will develop software on the .NET stack and contribute to Azure Services and DevOps practices for a scalable SaaS platform. Suitable candidates should have experience in .NET, Azure Services, and a self-driven work et ...

Senior Full Stack Engineer: Build & Own Scalable FinTech

A digital-first technology services firm in the UK is looking for a hands-on developer to create and enhance software products. The role involves designing RESTful APIs and managing databases, requiring strong Java and ReactJS skills. The ideal candidate will collaborate closely with teams and contribute to impa ...

Remote Contract Senior Full Stack Engineer (Backend‑Heavy)

A leading recruitment firm is seeking a Contract Senior Full Stack Software Engineer to work remotely in the UK. The role focuses on delivering customer engagement features for a high-impact mobile application. Candidates should have strong skills in React.js and React Native, along with cloud experience. The po ...

Staff Full Stack Engineer Remote AI Energy Platform

A leading energy technology firm in the United Kingdom is seeking a Staff Engineer to enhance product delivery and scalability across platforms. You will drive architectural direction, contribute to coding efforts, and lead the development of innovative systems for energy services. Ideal candidates have substant ...

Senior Full Stack Engineer — AI Driven HealthTech Platform

Thyme is seeking a Senior Full-Stack Engineer to join their innovative Digital Health company in the United Kingdom. You will be responsible for designing and scaling high-performance applications, managing cloud infrastructure, and taking features from requirements to delivery. The ideal candidate has ...

Remote Full Stack Engineer (PHP/React) | Flexible Hours

Feedinkoo is seeking a Full Stack Engineer with 4+ years of experience to design and implement features while ensuring high code quality. The role is remote but requires UK timezone overlap. The candidate should be proficient in PHP and React, with strong experience in REST-API design and Agile workflo ...

Remote Full Stack Engineer for Platform & Banking Infra

A next-gen financial infrastructure platform seeks a Full-Stack Software Engineer to design and build robust solutions for their core banking ledger. This fully remote role requires expertise in Go and React, alongside a strong understanding of AI-driven development practices. The ideal candidate will work on cr ...

Full Stack AI Systems Engineer: Craft Reliable Workflows

Bjak is seeking a Full Stack Engineer - AI Systems in the United Kingdom to develop an AI chat application that emphasizes reliability and persistent workflows. Candidates should have strong experience across the full technology stack, including Next.js and Python, and be familiar with integrating AI and LLMs in ...

Senior Full Stack Engineer AI Driven Hiring Platform

Spotted Zebra is seeking a Full Stack Engineer to join the AI Augmented Delivery team. You will work closely with a Product Manager and take ownership of building features end-to-end using TypeScript and React. The ideal candidate will have experience in B2B SaaS, strong communication skills, and a pas ...

Remote Full Stack Product Engineer — AI Driven SaaS

Dentology is seeking a Full Stack Product Engineer to join its innovative team in the UK. This remote role involves taking ownership of engineering projects, from database design to polished frontend development, and collaborating closely with founders to influence product direction. The ideal candidat ...

Senior Full Stack AI Driven Platform Engineer (Remote)

Beyond Hosting is looking for a Senior Full Stack Product Engineer to lead in coding, product direction, and team mentorship. With a focus on real-time lead tracking and performance analytics, you’ll shape the future of our AI-driven platform. The ideal candidate will have 4+ years of full stack engine ...

Senior Full Stack Engineer Fintech & Maritime, Remote UK

A leading recruitment agency is seeking an experienced Senior Full Stack Engineer to join a cutting-edge financial technology company. This remote position offers a salary of up to £85,000 per annum. You'll be responsible for creating scalable systems and working in interdisciplinary teams to solve complex chall ...

Senior Full Stack Engineer AI Driven Platform (Remote)

An education technology platform is seeking a full-stack engineer to design and build online learning features. The role requires strong Java and Node.js skills along with React and TypeScript. The successful candidate will use AI tools to enhance development, own production responsibilities, and contribute to a ...

AI First Software Engineer (Full Stack) – Remote UK

Euphoric is seeking a Software Engineer to contribute to their AI-first benefits platform. The role offers ownership and the opportunity to work on innovative features leveraging AI technologies. Candidates should have over 2 years of experience, strong skills in React/Typescript and Python, and a pass ...

Remote Full Stack Product Engineer – AI Driven Growth

Mosaec, a fast-growing performance marketing agency in the UK, seeks a Full Stack Product Engineer. This role offers the chance to work with cutting-edge AI to build a transformative product for dental practices. You'll engage in full lifecycle engineering from database to frontend, mentoring junior developer ...

Lead Full Stack Architect for Live Service MMO

A leading gaming company is looking for an experienced Lead Full-Stack Developer to build and scale the architecture behind a large-scale live-service MMO. In this role, you'll lead a growing team, drive key architectural decisions, and ensure the systems you develop support player engagement and community inter ...

Senior Full Stack Engineer (C#, .NET) Agile & Microservices

A technology innovation leader, Aqovia, is seeking a Senior C# Software Engineer to join their agile software development team in the UK. The role involves designing and building web applications and microservices, along with automating deployments. The ideal candidate excels in C#, .NET Framework, and modern we ...

Senior Full Stack Engineer Go & Vue.js, Flexible Hours

Brink's is seeking a Senior Full Stack Developer to join the innovative IT Development team. Located in the UK with flexible hours, this role involves designing and maintaining high-quality web-based systems that make a real impact. With 5+ years of software development experience, the ideal candidate ...

Senior Full Stack Engineer Remote, Global Impact & Growth

A technology-driven company is seeking a Senior Full Stack Engineer to join their team. In this fully remote role, you will design and build features for their platform, optimize performance, and collaborate with a global engineering team. Ideal candidates have extensive experience with Node.js, React, and AWS. ...

Lead Full Stack Software Engineer (.NET, Angular, AWS)

Position Description: At CGI, we operate and enhance critical digital platforms that support national regulatory services and deliver real-world impact. As a Lead Software Engineer within a key Managed Service team, you will play a central role in evolving a modern digital platform, balan ...

Remote Blockchain Developer (remote) Quant Capital

Job Opportunity: Blockchain DeveloperQuant Capital is urgently looking for a Blockchain Developer to join our high-profile clients' Team. Our client is a well-known global Prop Trading firm that highly values technology, especially the open-source variety. They are seeking individuals motivated by the shar ...

Cloud Developer

Job Title Cloud Developer Job Description The Cloud Full‑Stack Developer (with primary focus on AWS) is responsible for the end‑to‑end design, build, and delivery of secure, cloud‑hosted applications supporting PL Re strategic platforms, including the Underwriting & Modelling En ...

Senior Full Stack Engineer — Remote, Clean Energy Platform

Antler is seeking a Senior Software Engineer to develop the Logiq platform, which provides operational intelligence for clean energy systems. This full-time remote role requires experience in full-stack development with Python and React, and familiarity with AWS technologies. The ideal candidate will help shape ...

Hybrid Full Stack Engineer (Mid‑Senior, Part‑Time)

A professional services firm in the United Kingdom is seeking a Software Engineer to join their growing team. In this role, you will design and develop software solutions, translating business needs into technical requirements. Ideal candidates have strong coding skills in C# and Angular (preferred), along with ...

Senior Full Stack Dev: React/React Native + TypeScript

TechBiz Global GmbH is seeking a Senior Full-Stack Developer based in the United Kingdom, Wales. This role involves developing and maintaining cross-platform interfaces using React. The successful candidate will work in an agile team, taking ownership of projects from concept to release while ensuring high st ...

Client Facing Full Stack Engineer Post Trade Platforms

A leading hedge fund in London is seeking a Full Stack Post Trade Developer to create external systems for global investors. This role involves developing investor portals, dashboards, and UI components while collaborating with teams across middle office and compliance. Ideal candidates will have experience in C ...

Senior Full Stack Engineer Remote (PHP/Symfony + Angular)

A high-growth B2B SaaS company is seeking a Senior Full Stack Engineer with expertise in PHP and Symfony. This fully remote role involves building and maintaining APIs, contributing to front-end development with Angular, and mentoring other team members. Candidates should have strong communication skills and a p ...

Senior C#/.NET Engineer Azure & Full Stack Lead

Gallagher is seeking two Software Engineers to join an agile development team in the UK for a 12-month fixed-term contract. You will be involved in enhancing the Ada Advisory platform, contributing to all aspects of software development, from analysis to deployment. The ideal candidates will have stron ...

Full Stack Engineer: Build scalable AI platform — London

A pioneering artificial intelligence company in the United Kingdom is seeking an experienced full-stack engineer to enhance their data platform. This role involves building scalable systems, driving projects autonomously, and working alongside a collaborative team. Expected skills include proficiency in Python a ...

AI First Full Stack Engineer | Equity & Impact (London)

A tech company in Central London is seeking a Full Stack Engineer to join their high-calibre team focused on building AI-native products. You will design and develop scalable backend services, shape technical direction, and lead innovative projects in a fast-paced environment. The ideal candidate has strong full ...

Senior Full Stack Engineer – Build Scalable Web Apps

An innovative opportunity awaits you at a thriving company, where you'll join a cohesive team dedicated to developing and enhancing applications used by millions. As a full stack developer, you'll work with cutting-edge technologies, including AWS and NodeJS, while focusing on user experience. This role offers s ...

Senior Full Stack Engineer Vue/TypeScript & .NET (Payments)

Halian | Managed Services, Recruitment Agency & Contract Staffing is seeking a Senior Full Stack Developer to enhance their international financial technology platform. You will develop and improve customer-facing payment applications using Vue.js and TypeScript. The ideal candidate will have extensive ...

Senior Full Stack AI Engineer Cloud Native & Secure

Salt is looking for a skilled engineer to develop high-quality AI products within a rapidly growing consultancy in the United Kingdom. In this role, you'll design secure and scalable cloud-native applications, collaborate directly with industry leaders, and shape architectural standards. The position emphasizes ...

Full Stack PHP/Laravel Engineer — AI, Cloud & Ownership

Digital Gurus is seeking a Full Stack Developer to take ownership of critical applications and integrations. This hands-on role allows you to influence technical decisions and work across web and mobile platforms. Your responsibilities will include developing applications with PHP and Laravel, enhancin ...

Remote Senior Full Stack Engineer — React/TypeScript/Node.js

A leading technology firm in the UK is seeking a Senior Full Stack Engineer skilled in React and TypeScript. This role is remote with occasional team meetups in London. Responsibilities include contributing to technical discussions and tackling complex challenges in the Fintech sector. Ideal candidates will poss ...

On Site Software Engineer – Full Stack & Hardware GUI

A technology recruitment agency is seeking a Software Engineer located in Royston, England. The role requires developing robust database GUIs and handling full-cycle application development. Strong familiarity with C#, .NET, WinForms, and ASP.NET is essential. The ideal candidate should possess a proactive minds ...

C# Full Stack Engineer (Vue/TypeScript) Hybrid London

A leading recruitment agency is seeking a C# Software Engineer for a London-based Scale-Up focused on creating innovative solutions for a sustainable Net Zero future. The role requires expertise in C#, with a backend focus, and offers the opportunity to work in a collaborative, agile environment. Benefits includ ...

Remote React/TypeScript Frontend + C# Full Stack Engineer

A software development company is seeking a Remote-first React Developer to join their team. The role involves building high-quality frontend features with React and contributing to backend services in C#. Ideal candidates will have proven experience in React and TypeScript, with a proactive approach to problem- ...

Hybrid Software Engineer Full Stack, Docker & CI/CD

Fuel Recruitment Limited is looking for a Software Engineer to join a leading technology organisation in the UK. This hybrid role involves working on both Front End and Back End technologies, contributing to high-quality software solutions. The ideal candidate will have a solid foundation in software e ...

Full Stack Engineer Real Time AI for Retail

A VC-backed technology firm in the UK seeks a Full Stack Engineer to design and create engaging web experiences and scalable backend services for in-store shopping. The ideal candidate will have experience with full-stack applications, various storage technologies, and async communication protocols. This full-ti ...

Java & REST Troubleshooter — Root Cause Solver (Full Time)

Career Moves Group is seeking a Technical Support Engineer in London, United Kingdom. The role involves providing technical support for REST APIs and Java-based services, utilizing troubleshooting tools to isolate issues. The ideal candidate has strong experience with Java and RESTful services, excelle ...

Software Developer – Quantitative Trading

Software Developer – Quantitative Trading The Opportunity Our client is a leading quantitative prop trading firm known for its high-performance technology and research-driven strategies. They’re looking for a strong Software Developer to help build and optimise the systems th ...

Back end Developer (Java &Spring Boot/GCP) inside IR35

Methods is looking for a Back End Developer specialising in Java Spring Boot and GCP(Google Cloud Platform) to join our team within the private Sector Business unit. Rate: £490 inside IR35 Duration: 6 month initially Location: Hybrid; 3days/w in London office </ ...

Back end Developer (Java &Spring Boot/GCP) inside IR35

Methods is looking for a Back End Developer specialising in Java Spring Boot and GCP(Google Cloud Platform) to join our team within the private Sector Business unit.Rate: £490 inside IR35Duration: 6 month initiallyLocation: Hybrid; 3days/w in London officeKe ...

Back end Developer (Java &Spring Boot/GCP) inside IR35

Methods is looking for a Back End Developer specialising in Java Spring Boot and GCP(Google Cloud Platform) to join our team within the private Sector Business unit.Rate: £490 inside IR35Duration: 6 month initiallyLocation:  ...

Backend Developer Bazel

Backend Developer – Bazel Location: London, UKJob Type: Contract Our Product Area, Platinum, has historically owned and operated both our VCS and CI systems in addition to the Fleet Management product for helping developers manage large‑scale software changes. Over the past year we hav ...

Principal DevOps Engineer multiple roles

Principal DevOps Engineer (Senior Individual Contributor) FinTech | Reports to VP DevOps Our FinTech client is looking for a Principal DevOps Engineer to play a pivotal role in shaping how their engineering teams build, deploy and operate software at scale. </p ...

Back end Developer (Java & Spring Boot/GCP, Inside IR35)

Requirements Java Spring Boot: Confirmed level proficiency for the architectural rebuild Database: PostgreSQL Cache: Redis/Valkey Architecture: REST Architecture and Event-Driven architecture Cloud & Infrastructure: Google Cloud Platform GCP and Kuber ...

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    Full Stack Java Developer Python Jobs in United Kingdom Job Search Guide, Trends and Insights