1,937,552+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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Staff Engineer

We’re Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use our software to help provide critical services to over 100 million citizens. Our aspi ...

End to End Full Stack Engineer for AI‑Driven Security

Maze is seeking a Full Stack Engineer to own the complete stack from UI to API, working on a customer-facing product in generative AI and cybersecurity. This is an opportunity to be an early team member at a well-funded startup, contributing to end-to-end feature development. The ideal candidate will b ...

Lead Software Engineer Backend Engineer Chase UK

Lead Software Engineer – International Consumer Bank At JPMorgan Chase, we aim to transform digital banking through intuitive and enjoyable customer journeys. As part of the International Consumer Bank, you will deliver outstanding banking experiences for customers while collaborating with ...

AVP Java Fullstack Engineer: Financial Crime Innovation

Barclays is looking for a Java Fullstack Engineer at AVP level in Glasgow, United Kingdom. This role will involve shaping the future of financial crime prevention through the Integrated financial crime program. The ideal candidate will collaborate with cross-functional teams, maintain code quality, and have expe ...

Software Engineer

Join to apply for the Software Engineer role at PetsApp Join to apply for the Software Engineer role at PetsApp Get AI-powered advice on this job and more exclusive features. At PetsApp , we’re on a m ...

Full stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

**_Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

Senior Software Engineer

Senior Software Engineer - Enterprise+ App team We are growing our engineering team and are looking to welcome a Senior Software Engineer into the Enterprise + App team. You will join a cross-functional team with full ownership of our products and codebase, taking part in every step of the develop ...

Principal Software Engineer

Some roles give you a better salary. Some give you a better story. This one has the potential to do both. I’m hiring multiple Principal Software Engineers for a Series A Scale Up in Central London that is moving quickly, building with AI as a real part of the product, and led by people who ...

Fullstack Engineer

Fullstack Engineer Location: Ireland, Bedfordshire, UK, SG17 5 Contract Trust in Soda / Trinnovo Group Duration: 12 months Location: 1 week on site, 3 weeks working from home – Galway Rate: €350–€400 per day <h ...

Senior Java Developer

Location: UK (Hybrid / Onsite as required) Experience: 5+ years Role Type: Fixed Term Contract Overview We are developing a scalable Data Fabric platform that ingests, transforms, and serves trusted data products across multiple domains. The ...

Lead Software Engineer Securities Lending Glasgow

Join us and shape the future of financial technology with Prime Finance Services. You’ll have the opportunity to architect and deliver market-leading solutions in a fast-paced, global environment. Collaborate with top technologists across Hong Kong, Singapore, Glasgow, and Mumbai, and push the boundaries o ...

Lead Software Engineer Securities Lending Glasgow

Job Description Join us and shape the future of financial technology with Prime Finance Services. You'll have the opportunity to architect and deliver market-leading solutions in a fast-paced, global environment. Collaborate with top technologists across Hong Kong, Singapore, Glasgow, and Mumbai, ...

Lead Software Engineer AI Driven Finance

Job Description Join us and shape the future of financial technology with Prime Finance Services. You'll have the opportunity to architect and deliver market-leading solutions in a fast-paced, global environment. Collaborate with top technologists across Hong Kong, Singapore, Glasgow, and Mumbai, ...

Senior Full Stack Engineer (£80 150k + Equity) at Encord

Job Title Senior Full-Stack Engineer (Front-End Leaning) at Encord Salary £80-150k + Equity Company Encord - Series C AI infrastructure platform backed by CRV and Y Combinator Location London, UK Job Description You will lead ...

Senior Software Engineer / Staff Engineer / Architect

Join to apply for the Senior Software Engineer / Staff Engineer / Architect role at Mission.dev Get AI-powered advice on this job and more exclusive features. Base pay range $160,000.00/yr - $200,000.00/yr Agreement type: This is a full-time employm ...

Full Stack AI Engineer — Build AI Auto Workflows (Equity)

A creative automation startup is looking for a Full Stack AI Engineer to develop features that automate production for global brands. The candidate will work with Next.js and Node.js to create intelligent workflows on AWS infrastructure. Ideal applicants should have 3-5 years of full-stack experience, particular ...

Mulesoft Technical Lead (IT) in London LA International Computer Consultants Ltd

Mulesoft Technical Lead (IT) London, United Kingdom Posted 7 months ago This is a job posted by our partner Jooble Tech stack SQL Cloud Java Mule ESB API JSON Manager XML Agile ...

Technical Director of Engineering in Belfast Ocho

Technical Director of Engineering Belfast, United Kingdom Posted 9 months ago Tech stack web Guide REST Full-stack Frontend ASP.NET GraphQL React APIs Responsibilities Lead and scale ...

Senior Frontend Engineer

Requirements 3-5+ years of software development experience in a fast-paced, innovative, and complex environment Experience using technical writing and diagrams for brainstorming, design alignment, and cross-team communication Proficiency in Next.js 13+ (including App Rou ...

Full stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we ...

Full stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

Citi is seeking a highly motivated and curious full-stack engineer work embedded within the Systematic & Credit Portfolio Trading business and build out a first-class ecosystem of trading tools. This role offers a unique opportunity for in-person collaboration with traders, quants, and product development ...

Full stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

Citi is seeking a highly motivated and curious full-stack engineer work embedded within the Systematic & Credit Portfolio Trading business and build out a first-class ecosystem of trading tools. This role offers a unique opportunity for in-person collaboration with traders, quants, and product development ...

Software Developer in London EVORA Global

Software Developer London, UnitedKingdom Posted 11 months ago Tech stack Amazon AWS PHP Java CI/CD Python Linux Experience With experience in developing and hosting enterprise-grade software and services using Amazon AWS. Skills </h ...

Founding Engineer

United Kingdom - London Posted: 08/05/2026 Salary: £120K per Year ID: 37363_BH Apply OR Founding Engineer (Full Stack)Location: London / HybridSalary: £80,000-£120,000 + EquityWe're partnering with a ...

Founding Engineer

United Kingdom - London Posted: 08/05/2026 Salary: £120K per Year ID: 37363_BH Apply OR Founding Engineer (Full Stack)Location: London / HybridSalary: £80,000-£120,000 + EquityWe're partnering with a ...

Senior Engineer

Zeti is an award-winning technology company building ZetiOS, a proprietary operating system for hard assets across transportation, energy and construction. ZetiOS combines real-time asset data with the financial contracts that govern how those assets are funded and operated - enabling utilization-b ...

Product Engineer (£80k £130k + Equity) at Allied

Product Engineer £80k - £130k + Equity Company Description Allied is a 2024-founded defence technology company backed by 1991 VC and Notion Capital. They are building AlliedOS, an AI-native operating system and marketplace designed to modernise Europe's defence industrial base b ...

Software Engineer

About the Role We love to experiment with the latest tools, technologies and techniques to improve how we deliver our solutions and as a software engineer you can expect to be involved in: Engineering software solutions - working with prototypes and proof of concepts and developing fully functi ...

Software Engineer

About the Role We love to experiment with the latest tools, technologies and techniques to improve how we deliver our solutions and as a software engineer you can expect to be involved in: Engineering software solutions - working with prototypes and proof of concepts and developing fully functi ...

Software Engineer

We’re looking for a Full Stack Software Engineer to join a high-performing, product-focused engineering team delivering modern, reliable software across multiple platforms. This role suits someone who enjoys hands‑on development, taking technical ownership and contributing to how engineering is done. ...

Backend Engineer

We're working with a venture backed technology company that is building software to solve complex challenges within the natural resources sector. Following recent funding and growing customer demand, they are looking to hire a Full Stack Engineer to help scale their platform and engineering capabilities. < ...

Senior Full Stack Developer to develop and enhance web based applications for a large public sector client.

Our client is looking for a Senior Software Developer (C#.net/JavaScript(react)) to work on the development and enhancement of web-based applications.**The successful candidate will need to obtain or hold an enhanced reliability clearance (requires 5+ years in Canada)**Must Haves: ...

Senior Full Stack Developer to develop and enhance web based applications for a large public sector client.

Our client is looking for a Senior Software Developer (C#.net/JavaScript(react)) to work on the development and enhancement of web-based applications.**The successful candidate will need to obtain or hold an enhanced reliability clearance (requires 5+ years in Canada)**Must Haves: ...

Senior Software Engineer Data

Overview Aspect Capital is an award-winning systematic hedge fund based in London that manages over $9 billion of client assets, where technology is an integral part of the business. We are looking for a senior engineer to join our Data Engineering team. The team's role is broad, covering the ing ...

Real time Java & React Developer for Front Office Tools

Talan is seeking a Java Developer with React experience to design and enhance front office solutions within global markets. The position involves developing high-impact applications while collaborating with business stakeholders and technical teams. You will be responsible for building and maintaining ...

Real time Java & React Developer for Front Office Tools

Talan is looking for a talented Java Developer with React experience in the Greater London area. This role focuses on delivering cutting-edge Front Office solutions within Global Markets environments. You will be designing and enhancing regulatory and sales enablement platforms, ensuring that you help ...

Full Stack Engineer — ESG Data Platform (Hybrid London, Equity)

Novata, Inc. is searching for an experienced Full Stack Engineer to join their Engineering team. This crucial role involves developing core tooling to help companies manage ESG data. You will work closely with Product and Design teams and drive projects that enhance the user experience. Applicants shou ...

Senior Software Engineer

Senior Software EngineerLocation: LondonDepartment: TechAbtrace is looking for a Senior Software Engineer to join our growing team in London. You will be responsible for designing, building, and maintaining the core software infrastructure that powers our clinical decision su ...

Senior Software Engineer

Senior Software EngineerLocation: LondonDepartment: TechAbtrace is looking for a Senior Software Engineer to join our growing team in London. You will be responsible for designing, building, and maintaining the core software infrastructure that powers our clinical decision su ...

Python Developer

Get AI-powered advice on this job and more exclusive features. Sign in to access AI-powered advices Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google < ...

Software Engineer Confluent

At IBM Software, we transform client challenges into solutions. Building the world’s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in So ...

Full Stack .NET 9 Developer | Azure + Modern JS Stack

Java Script Works is seeking a .NET Developer to work in Manchester. The ideal candidate will have strong expertise in .NET 9, C#, Azure, and JavaScript, along with skills in Agile practices. The position emphasizes developing applications and collaborating within a dynamic team. Applicants should be f ...

Junior Software Engineer

Junior Software Engineer – Industrial Controls / PLC Software - West Yorkshire – £32k to £40k + 10% bonus + overtime (paid travel time)A West Yorkshire-based engineering business is looking to recruit a Junior Software Engineer with some PLC software skills to support ongoing project delivery and commissioni ...

Front End React Developer with UI/UX Focus

Java Script Works is seeking an experienced Front-End Software Developer in Cambridge, UK, with very strong skills using React. The role requires several years in a commercial development environment and an eye for UI/UX design. In addition to React, knowledge of TypeScript, Node.js, Git, and Python is beneficia ...

Staff Software Engineer, Product Engineering — Ownership & Impact

P2P is looking for an ambitious full-stack engineer in Oxford who is focused on solving customer problems and contributing to both product development and design decisions. You will work in a minimal-process environment that encourages ownership and collaboration, tackling complex projects, and using a modern te ...

Forward Deployed Engineer

Job DescriptionForward Deployed Engineer (FDE) — AI & SolutionsJoin us at Zendesk, where we're on a mission to power exceptional service for every person on the planet. We're accelerating that ambition by building products ...

Software Engineer

Venn Telecom is an international Enhanced Internet Service Provider specializing in innovative fixed and mobile wireless internet connectivity solutions, including bonded 5G and Starlink. We excel in delivering reliable internet to remote locations and providing robust backup for existing connectivity syst ...

Senior Python Developer

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 continuous learnin ...

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