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

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Java Engineer – Equity Vol

Salary: £130-150k base, circa £180-220k TC Summary:Fantastic opportunity for a Java developer with outstanding communication skills to join one of the world’s most prestigious hedge funds. Come and be a part of the firm’s continued success by developing/maintaining real-time eq ...

Principal Engineer (AWS & Java)

Role Description We are seeking a Principal Engineer to act as the most senior hands‑on technical expert for our leading Risk Screening platform. This role partners closely with architecture, service, product, and engineering teams to ensure that agreed designs are implemented to the highest techn ...

Principal Engineer (AWS & Java)

Requirements Extensive experience as a Principal Engineer, or equivalent senior technical role on large‑scale, production systems Deep, hands‑on expertise in Java (Java 11+ preferred), including JVM behaviour, concurrency, and performance optimisation Strong, practical e ...

Java Distributed Systems Engineer

APPLE is looking for a Java-focused server engineer to join their Services Engineering team in Greater London. You will design and maintain systems for crucial entertainment services like Apple Music and Podcasts, ensuring they meet high-performance standards and privacy mandates. The ideal candidate h ...

Senior Java Engineer (50007)

InfoSum is the world’s leading data collaboration platform, providing solutions to the world’s largest enterprises to allow collaboration across data sources and deliver richer customer experiences that prioritize consumer privacy. Our vision is to unlock data’s limitless potential, by enabling the world’s ...

Principal Software Engineer — Scale & Cloud (Remote UK)

A leading technology recruitment agency is seeking a remote-first Principal Engineer for a key role with a client known for their high-performance software solutions. The ideal candidate will have over 10 years of software engineering experience, expertise in C# or Java, and a solid grasp of cloud technologies. ...

AI Integration Engineer: Multi Agent & Responsible AI

Java Script Works is looking for an AI Integration Engineer based in London, England. The successful candidate will develop capabilities that integrate AI technologies with front-end tools like React and Next.js, focusing on effective autonomous reasoning workflows and responsible AI principles. This i ...

Senior Front End Engineer — React + Next.js Expert

Java Script Works is seeking a Senior Product Engineer (Front-End) to join their team in London, United Kingdom. This role involves building and shipping responsive, performant UIs using modern technologies like React and TypeScript, while collaborating with backend engineers for API definitions. The c ...

Senior Software Architect for Environmental Data Platform

Peaple Talent in Luton is searching for a Senior Software Engineer/Architect to lead a critical UK Government environmental data services platform. This involves creating impactful software from various technologies to support environmental monitoring and planning. You will manage cloud infrastructure, ...

React Developer

Salary: £45,000 - 70,000 per year Requirements Strong experience building complex frontend systems using React and other modern JavaScript/TypeScript frameworks. Strong knowledge of testing approaches, including unit, integration, and end-to-end testing, as well as ...

React Developer (Contract) — Design & Transformation

React Developer (IT) United Kingdom Posted 9 months ago Tech stack Learning React Responsibilities Technical Troubleshooting Continuous Learning Software Design Strategic Thinking Change and Tr ...

Product Engineer at Zavopay.com

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network The next step is speak to Jack. Job Title: Product Engineer Company Description: Zavopay.com - YC-backed ...

Senior .NET & React Engineer — Hybrid (Reading)

Java Script Works is looking for a Senior Software Developer to join their team in Reading, United Kingdom. This hybrid role requires strong expertise in both .NET and React. The position offers an attractive salary between £80,000 and £90,000 along with insurance and pension benefits. Candidates should have a t ...

Java Microservices Engineer | Frontend & Backend

A leading software development company is seeking an Application Developer to join their team in Birmingham. The role requires expertise in both front-end and backend technologies, including React, Angular, and Java. Candidates should have a solid background in application engineering with a focus on software ar ...

Junior Software Engineer

This range is provided by Addition+. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Addition+ We are currently working on behalf of our trusted client who are looking for a J ...

Senior Typescript Engineer

Senior Software Engineer - TypeScript / AWS / Kubernetes The Opportunity We're partnering with a global technology company building high-scale, cloud-native products used by millions of customers every day. They are seeking an experienced Senior Software Engineer to join ...

ML/AI Software Engineer

Job DescriptionML/AI Software EngineerA brilliant opportunity for a Machine Learning-focused Software Engineer with experience in AI, Audio, and Computer Vision to join an incredibly exciting start-up in London, which is currently in stealth mode developing pi ...

ML/AI Software Engineer

ML/AI Software EngineerA brilliant opportunity for a Machine Learning-focused Software Engineer with experience in AI, Audio, and Computer Vision to join an incredibly exciting start-up in London, which is currently in stealth mode developing pioneering technology in the ...

ML/AI Software Engineer

Job DescriptionML/AI Software EngineerA brilliant opportunity for a Machine Learning-focused Software Engineer with experience in AI, Audio, and Computer Vision to join an incredibly exciting start-up in London, which is currently in stealth mode developing pi ...

Graduate AI & Software Developer

Java Script Works is looking for a Graduate Software and AI Developer based in the United Kingdom. The role requires a 2:1 degree in a Computer Science-related field and values excellent communication and strong problem-solving skills. Familiarity with technologies like Python, React, Laravel, and MySQL is advan ...

Senior Engineer II in Burgess Hill American Express

Senior Engineer II Burgess Hill, United Kingdom American Express Tech stack UI React Data Structures JavaScript Node.js Job Description Able to understand and use complex data structures and associated components. Extensive development kn ...

Senior Software Developer

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s large ...

Senior Software Developer

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s large ...

Internal Audit Front End Engineer Analyst / Associate Birmingham

About the Job At Goldman Sachs, Internal Audit Engineering builds systems that support the firm’s audit functions. The role focuses on designing and implementing software solutions to enhance auditing services and enable new business functions. Responsibilities Gain satisfacti ...

Cloud AppSec Engineer — AWS, API & SAST/DAST/RASP

Security Engineer (AppSec) Belfast, UnitedKingdom Posted about 1 year ago This is a job posted by our partner Jooble Tech stack Python JavaScript Cloud Node.js Amazon AWS TypeScript Security API Below is a snippet of the job description. To read the full text ...

Azure Full Stack Tech Lead for Secure, Scalable Cloud Apps

Sivara GmbH, based in Coalville, is seeking a Full Stack Technical Lead to own modern cloud-based applications and lead technical initiatives. This exciting role provides a chance to shape engineering best practices and security standards while working hands-on with a focus on automation, security, and scalab ...

Frontend Developer

Base pay range Product Engineer - React & TypeScript, some Python - AI video editing - £90-110k We're helping a AI company in the entertainment space hire a front end leaning fullstack engineer. You'll be working with a talented cross-functional team to build polished, hi ...

Software Developer

Job DescriptionSoftware DeveloperA brilliant opportunity for a Graduate or experienced Developer to work as a Software Developer for an incredibly exciting start-up in Cambridge, which is making technological advances and solutions to support the world of hybr ...

Software Developer

Software DeveloperA brilliant opportunity for a Graduate or experienced Developer to work as a Software Developer for an incredibly exciting start-up in Cambridge, which is making technological advances and solutions to support the world of hybrid and remote working. Joi ...

Software Developer

Software DeveloperA brilliant opportunity for a Graduate or experienced Developer to work as a Software Developer for an incredibly exciting start-up in Cambridge, which is making technological advances and solutions to support the world of hybrid and remote working. Joi ...

Software Developer

Job DescriptionSoftware DeveloperA brilliant opportunity for a Graduate or experienced Developer to work as a Software Developer for an incredibly exciting start-up in Cambridge, which is making technological advances and solutions to support the world of hybr ...

Software Developer

Job DescriptionSoftware DeveloperA brilliant opportunity for a Graduate or experienced Developer to work as a Software Developer for an incredibly exciting start-up in Cambridge, which is making technological advances and solutions to support the world of hybr ...

London based VP Lead Software Engineer: AI‑Driven XVA

Citi is seeking a Lead Software Engineer at the Vice President level to join their XVA Technology team in London. This hands-on position requires deep expertise in software engineering and AI to drive technology projects and enhance risk management systems. The ideal candidate will have extensive softw ...

Staff Fullstack Engineer Real Time Web & 3D Visualization

Wayve is seeking a Staff Fullstack Software Engineer to lead the technical direction of their in-vehicle web experience in London. You will manage a high-impact product used in live vehicle operations, working with advanced AI solutions. The ideal candidate has proven experience in leading software sys ...

Staff Software Engineer, Product Engineering, UK

About the Role Our engineering culture strives to create an environment where engineers own and deliver product features end‑to‑end, from research through design to implementation. As a product engineer, you will write product specs, create wireframes, and build the product with minimal oversight ...

Senior Software Developer

Hackajob is collaborating with Raytheon to connect them with exceptional professionals for this role. At OMNIA® Training, we have brought together some of the UK’s most innovative defence training organisations under one powerful mission to transform the British Army’s training system and create the best‑t ...

RAD Developer (Python) for Front Office Trading

hackajob is collaborating with Barclays for the role of RAD Developer in London. This position involves working closely with Front Office traders to deliver innovative software solutions in a fast-paced environment. The ideal candidate will be proficient in Python, Oracle, and GIT CI/CD, with additiona ...

Sr. Full Stack Software Developer (.NET Core, C#, ReactJS, Azure/AWS) with expertise in legacy application modernization, MS Access/on prem migration, PowerShell scripting, SQL/DB2 8630

Sr. Full Stack Software Developer (.NET Core, C#, ReactJS, Azure/AWS) with expertise in legacy application modernization, MS Access/on-prem migration, PowerShell scripting, SQL/DB2 - Duration: 6 MonthsLocation: Winnipeg, London or Toronto Hybrid: Yes, 3x/week a ...

.NET Developer, CMS, Sitecore, EpiServer, Umbraco

.NET Developer, CMS, Sitecore, Optimizely, Umbraco – London(Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Established in the 1990s our client is one the fast growing techn ...

.NET Developer, CMS, Sitecore, EpiServer, Umbraco

.NET Developer, CMS, Sitecore, Optimizely, Umbraco – London(Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Established in the 1990s our client is one the fast growing techn ...

Software Developer

I am looking for a Middleweight Software Developer for a 6-month fixed-term contract opportunity for an extremely exciting business based in Plymouth. This role could potentially turn into a full-time permanent role before the end of the initial 6-month fixed-term contract. In this role you will be invol ...

.NET Developer

.NET Developer - Southampton (Tech stack: .NET Developer, .NET 9, C#, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We have several fantastic new roles for .NET ...

.NET Developer

.NET Developer, .NET 10.0, C# 14, Azure, JavaScript, Agile – Maidstone(Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer)Be the ...

.NET Developer

.NET Developer, .NET 10.0, C# 14, Azure, JavaScript, Agile – Maidstone(Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer)Be the ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of c ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of cust ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of cust ...

Software Engineering Team Lead

MCS Group is working with an exciting software scale-up building AI-powered products used by enterprise customers globally. They're now looking for a hands‑on Engineering Team Lead to join their growing backend team. This role is ideal for a strong Senior or Lead software Engineer who still loves c ...

Front End Developer (IT) in Bloxwich LA International Computer Consultants Ltd

TELFORD 2 DAYS PER WEEK ONSITE, 6 MONTHS Front End Developer (React). Experienced developer needed with experience working with a UI/UX Design lead and developing in Java React. Required Skills (Advanced) React frameworks - Have worked with... skills requirement for ...

Senior React Native Engineer – Ownership & Impact

Ebury in London is seeking a Senior React Native Engineer to lead the development of their mobile app. You will take ownership of the app's entire lifecycle and collaborate with cross-functional teams to deliver an exceptional user experience. With 7+ years in software development, including React Native, you wi ...

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