2,103,602+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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Principal Software Engineer, Mobile (React Native)

Nine Elms, London – Full‑time (5 days a week on‑site) About Zapp Zapp is London’s leading premium convenience retail platform. Founded in 2020, our vision is to disrupt the multi‑trillion dollar convenience retail market, currently dominated by major players, by developing best‑in‑class c ...

Software Engineer II Frontend (React/TypeScript)

At Commerce, our mission is to empower businesses to innovate, grow, and thrive with our open, AI-driven commerce ecosystem. As the parent company of BigCommerce, Feedonomics, and Makeswift, we connect the tools and systems that power growth, enabling businesses to unlock the full potential of their data, ...

C# Software Engineer .Net SQL React

C# Software Engineer / Full Stack Developer (C# .Net SQL React) Do you have experience across the full tech stack within a finance environment? You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and have multi‑billion dollars under management. ...

Senior Fintech Software Engineer – React/TypeScript

Corpay, Inc. is seeking a Software Engineer for their Alpha division in Greater London. This role involves designing and developing eMoney and FX payment systems. The ideal candidate will have over 5 years of experience in software engineering, with strong skills in React and TypeScript. The position emphasizes ...

Principal Software Engineer, Mobile (React Native)

Principal Software Engineer, Mobile (React Native)Nine Elms, London - Full-time (4 days a week on-site)About Zapp</st ...

Senior React Software Engineer (front end)

Role Overview As a Senior Software Engineer at TP ICAP you will be part of a talented team delivering business critical software for the internal broking division and their external customer base.You will work within an Agile environment, from design through to implementation, with ...

Principal Software Engineer, Mobile (React Native)

Principal Software Engineer, Mobile (React Native)Nine Elms, London - Full-time (4 days a week on-site)About Zapp</st ...

Senior React Software Engineer (front end)

Role Overview As a Senior Software Engineer at TP ICAP you will be part of a talented team delivering business critical software for the internal broking division and their external customer base.You will work within an Agile environment, from design through to implementation, with ...

Frontend Software Engineer (JavaScript / TypeScript & React)

Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI.The Darktrace Active AI Sec ...

Senior Software Engineer Milton Keynes

Salary: £54,000 - 75,000 per year Requirements Hands‑on experience in application design. Experience specifying, designing, building, and testing complex full‑stack software solutions. Expertise in designing and developing APIs. Experience worki ...

Full Stack Technical Lead Polyglot

London, Greater London | £95k - £125k per year Full Stack Technical Lead (TypeScript Python API) London / WFH to £125k Do you enjoy working with a range of programming languages and agentic AI? You could be progressing your career as a Full Stack Technical Lead at a massiv ...

Lead Full stack Data Scientist

Data Idols is working with a distributor in the tech industry who is looking for a Lead Full‑stack Data Scientist to join the team. They are a data‑driven business that seeks a technical leader and a mentor who will be hands‑on delivering high‑performing solutions. The Opportunity <p ...

Full Stack Technical Lead Polyglot

London, Greater London | £95k - £125k per year Full Stack Technical Lead (TypeScript Python API) London / WFH to £125k Do you enjoy working with a range of programming languages and agentic AI? You could be progressing your career as a Full Stack Technical Lead at a massiv ...

Full stack Technical Lead – Equities

Salary: £160,000 base + ~£75,000 bonus Summary:One of the world’s most prestigious multi-strategy funds is looking for an experienced software developer to join as a Senior Technical Lead, responsible for end-to-end development and maintenance. A global, yet very hands-o ...

Full Stack Technical Lead Polyglot

Full Stack Technical Lead (TypeScript Python API) London / WFH to £125kDo you enjoy working with a range of programming languages and agentic AI?You could be progressing your career as a Full Stack Technical Lead at a massively profitable Private Equity firm that invest in businesses acro ...

Full stack Technical Lead – Equities

Salary: £160,000 base + ~£75,000 bonus Summary:One of the world’s most prestigious multi-strategy funds is looking for an experienced software developer to join as a Senior Technical Lead, responsible for end-to-end development and maintenance. A global, yet very hands-o ...

Full Stack Technical Lead Polyglot

Full Stack Technical Lead (TypeScript Python API) London / WFH to £125kDo you enjoy working with a range of programming languages and agentic AI?You could be progressing your career as a Full Stack Technical Lead at a massively profitable Private Equity firm that invest in businesses acro ...

Hybrid Full Stack Developer (Java/Python) Cloud Native

TELSTRA Associates is seeking a Full Stack Java Developer for a contract in the UK. The role requires strong skills in cloud-native engineering, backend (Java/Python/Go), and frontend development. The candidate will work in a hybrid model in Belfast three days a week. This is a unique opportunity in a ...

Full Stack Engineer / Senior Full Stack Engineer in Bristol Perceptual Robotics

Requirements: A proven track record of developing modern web applications in a collaborative tech team (minimum 3 years) Strong core JavaScript and Node.js programming skills Strong React skills Experience with event-driven design patterns and frontend state managem ...

Lead Software Engineer – AI/ML, Python & React on AWS

A global financial services firm in Greater London is seeking a Lead Software Engineer specializing in Python and React. The role involves working within a high-growth team to improve loan management platforms with AI/ML functionalities. Candidates should have a minimum of six years of experience, certifications ...

CRO Frontend Engineer React/TypeScript

Java Script Works is looking for a skilled CRO Frontend Engineer specializing in React and TypeScript. This full-time position is based in London, United Kingdom, with a competitive salary range of £90,000 - £140,000 per annum. The ideal candidate will have extensive experience in frontend development and the ab ...

Senior Java Software Engineer — REST, SQL & Enterprise Java

Energy Jobline CVL is seeking an experienced Senior Software Engineer to join their established team in Central Newbury. The position requires delivering high-quality software to meet business and customer needs, including developing applications and providing support. Successful candidates will have a ...

Software Engineer, Development and Automation in Edinburgh NatWest Group

Software Engineer, Development and Automation Edinburgh, United Kingdom Job Description: Skilled in designing and implementing test automation frameworks and quality engineering practices using Java , ensuring robust and scalable testing solutions. Requires strong secondary skill s ...

DV Cleared Full Stack Java Developer | Hybrid/Remote

Infotel UK is looking for an experienced Full Stack Java Developer with DV clearance for a critical project in Newcastle upon Tyne. The role involves developing and maintaining Java applications, ensuring high performance and security standards. The ideal candidate will have strong expertise in Java, S ...

DV Cleared Full Stack Java Developer | Hybrid/Remote

Infotel UK Consulting is seeking an experienced Full Stack Java Developer with DV clearance for a critical project. You will develop and maintain Java-based applications, ensuring high performance and compliance with security protocols. The ideal candidate will have strong experience in Java, front-end ...

NATO Ready Full Stack Java Developer Secret Clearance

Wlgroup is seeking an experienced Full Stack Java Developer to support NATO's NIRIS platform. This role involves software development, integration, and testing in an Agile environment. Key responsibilities include developing Java components, maintaining REST integrations, and contributing to CI/CD prac ...

Hybrid Full Stack Java Developer Cloud & REST APIs

Platinum-Recruitment is seeking a Full Stack Java Developer in Weston-super-Mare to join their growing development team. The role offers an opportunity to work on innovative cloud-based projects and collaborate with a technology-driven team. Key responsibilities include developing Java applications and ...

Senior Full Stack Dev (Android/Java) – Fintech, Hybrid

Trust Payments is looking for an experienced Senior Software Developer to join our Trust Retail team in a hybrid role based in Bournemouth. You will develop solutions for retail, EPOS, stock management, and customer engagement while ensuring robust application quality. The successful candidate will hav ...

Senior Full Stack Java Developer — Remote & Cloud Transformation

Version 1 is seeking an experienced Senior Full Stack Java Developer to join our UK Digital & Cloud Practice. In this role, you will design, develop, and maintain software applications while providing technical leadership within the team. Potential candidates should hold SC Clearance and are expected t ...

Hybrid Full Stack Java Developer | API & UI Delivery

United States Digital Space LLC is seeking a Full Stack Java Developer to join their team in Greater London. You will work on delivering features and enhancements for the International Processing Engine (IPE) application. Responsibilities include designing services, ensuring quality standards, and contributin ...

Hybrid Full Stack Java/Python Developer in Belfast

TELSTRA Associates is seeking a Full Stack Java Developer for a contract role based in Belfast. This hybrid position requires onsite work 3 days a week. The role involves designing and maintaining scalable applications using Java, Python, or Go, and engineering cloud-native solutions on AWS and GCP. Th ...

Software Engineer DV

Overview Job Description Can you think strategically and connect the dots across projects to shape the bigger picture? Do you thrive in fast-paced, agile environments, enjoy exploring smarter ways of working, and love to collaborate across diverse teams? Are you passionate about continuou ...

Senior Developer (Java and React)

Job Description Senior Developer – Java & React, Glasgow Responsibilities Design, develop and evolve trading, risk management and regulatory platforms to support investment banking. Collaborate with traders, strategists, compliance and IT to gather requirements and tr ...

Fullstack Software Engineer Core

Overview As a Fullstack Engineer, you'll contribute to building Dataiku DSS core features by joining one of the following themes: Responsibilities Data Preparation: Develop tools for data integration, transformation, and cataloging, as well as Jupyter notebooks, SQL workbenche ...

Principal Software Engineer

Raytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern. As Principal Software Engineer, you have the opportunity to focus on technical work or have a mixture of technical focus and people managem ...

AI Driven Frontline Software Modernization Engineer

A leading enterprise software firm in the United Kingdom seeks an experienced Full-Stack Software Engineer to act as a Forward Deployed Engineer. This role involves embedding with teams to lead modernization efforts, drive AI-assisted SDLC practices, and manage technical changes. The ideal candidate will have ov ...

Senior Full Stack Developer

Senior Full Stack Java DeveloperLocation: Warrington (Hybrid - 1 day per week onsite)Salary: £65, - £75, + benefitsEmployment Type: PermanentOpportunity OverviewA fast-growing, technology-led organisation is seeking a Senior Full Stack Java Developer</b ...

Senior Full Stack Developer

Senior Full Stack Java DeveloperLocation: Warrington (Hybrid - 1 day per week onsite)Salary: £65, - £75, + benefitsEmployment Type: PermanentOpportunity OverviewA fast-growing, technology-led organisation is seeking a Senior Full Stack Java Developer</b ...

Full Stack Engineer Build Transformative APIs & UIs

Java Script Works is looking for a Full Stack Engineer in Greater London, UK, to join their ambitious early-stage startup. The ideal candidate should have extensive experience in modern Python for web applications and be familiar with React, Redux, TypeScript, and Golang. This full-time position offers a competi ...

Principal Software Engineer SC Eligible | Lead Architect

Appvia Ltd. is seeking a Principal Software Engineer with UK Security Clearance eligibility to lead software engineering efforts. This role involves hands-on technical leadership, shaping architecture, and mentoring engineers. The ideal candidate possesses strong experience in Domain Driven Design, microservice ...

Python Full Stack Developer React in London Quant Capital

Job Opportunity: Python Full Stack Developer Quant Capital is urgently looking for a Python Full Stack Developer to work for our high-profile client. Our client is a well-known global quantitative risk management and market data business. Requirements: Degree in Stats, Physi ...

Full Stack SDE: React/Kotlin, AI Driven Ads, AWS

Amazon Development Centre (Scotland) Limited seeks a Software Development Engineer in Edinburgh to join our Reach Extension team. The role involves owning product features from design to delivery, focusing on front-end development using React and TypeScript, as well as back-end development with Kotlin and AWS ...

Full Stack Developer (Ruby on Rails / React) Remote first

£25,200£30,000 (3 days per week, pro-rata from £42,000£50,000 FTE) Remote with Midlands in-person days Better Futures Multi-Academy Trust Most developer roles give you a stack to maintain. This one gives you a product to shape. We are Better Futures Multi-Academy Trust, a group of sixth form colleges based in ...

Full Stack Developer (Ruby on Rails / React) Remote first

£25,200£30,000 (3 days per week, pro-rata from £42,000£50,000 FTE) Remote with Midlands in-person days Better Futures Multi-Academy Trust Most developer roles give you a stack to maintain. This one gives you a product to shape. We are Better Futures Multi-Academy Trust, a group of sixth form colleges based ...

Real Time FinTech Full Stack Developer (React/Python) Hybrid

Hunter Bond is seeking a Full Stack Developer in London to build enterprise-level applications for a leading FinTech firm. You'll work on real-time trading applications, ensuring seamless integration between front-end interfaces and robust back-end systems.The ideal candidate has a degree in Computer S ...

Tech Lead: Scalable Software & Team Leader

hackajob is looking for a Lead Software Engineer to design, develop, and deploy high-quality software solutions. This multifaceted role includes leading engineering teams on high-profile projects while ensuring the best practices in software development. The ideal candidate should have extensive experi ...

Lead Java Modernization Engineer

Salary: £75,000 - 80,000 per year Requirements: Solid experience in Java development with significant, demonstrable experience in Spring Boot and microservices architecture, including production ownership. Proven experience building applications that consume Azure-na ...

Staff Frontend React Engineer | Lead & Shape UI

Java Script Works is seeking a Staff Frontend React Engineer to lead the design and implementation of frontend applications. You will collaborate with architects and cross-functional teams to define and ship new features. The ideal candidate has over 10 years of experience in software engineering with ...

Software Engineering Lead Java AI FinTech

Software Engineering Lead Java AI - FinTech This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Software Engineering Lead (Java AI) London / WFH to £140k Are you a technical leader w ...

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    Lead Software Engineer Full Stack Java React Jobs in United Kingdom Job Search Guide, Trends and Insights