101,853+ Junior Java Fullstack Developer Spring Boot React Jobs in UK — Top Companies Hiring July 2026

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Senior Frontend Engineer SDK & Secure Auth (React/TS)

A leading global financial services firm is looking for a Senior Frontend Developer to join their Customers Identity & Access Management team. This role involves owning and maintaining a JavaScript SDK built with React and TypeScript, ensuring secure integration of their authentication system. The ideal candidat ...

Principal AI Software Engineer Java

Our client - a global automotive systems industry leader - is looking to hire an Principal AI Software Engineer (Java) to join them on an initial 6-month contract, with a view to transition to permanent employment.This role will be operting as part of a high-functioning team focused on AI-forward proje ...

Principal AI Software Engineer Java

Our client - a global automotive systems industry leader - is looking to hire an Principal AI Software Engineer (Java) to join them on an initial 6-month contract, with a view to transition to permanent employment.This role will be operting as part of a high-functioning team focused on AI-forward proje ...

Senior Java Engineer

We are looking for an experienced and motivatedSenior Java Engineer to join our team as we approach our next exciting period of growth. This exciting new role will contribute to our product development, taking responsibility for specific areas of functionality within our product suite, and being th ...

Java Software Engineer

Overview You will be a hands-on technical expert helping us deliver projects in a true DevOps manner. You will apply a software engineering mindset to problems, whether that’s provisioning services, writing code or writing automation tools and scripts. You will have a lean mindset, strivi ...

Java Software Engineer

**Description** **Java Software Engineer** **Location:** Farnborough, with flexibility to work from home dependent on business demands **Salary:** £47,600 - £61,000 **The Role** As a Java Software Engineer you will play a critical role in both the sustainment of the ...

Java Software Engineer

Java Software Engineer Would you like to help create products to support the sharing of scientific knowledge? Do you enjoy collaborating to solve complex technical problems? About the team: Our dynamic Agile Teams deliver the tec ...

Java Software Engineer

Java Software Engineer Would you like to help create products to support the sharing of scientific knowledge? Do you enjoy collaborating to solve complex technical problems? About the team: Our dynamic Agile Teams deliver the tec ...

Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

Real Time Java Engineer — Front Office/Trading

A leading technology consultancy in London seeks an experienced Java Developer focused on real-time trading and risk systems. You will join a dynamic team that designs mission-critical systems supporting electronic trading activities. Ideal candidates should possess strong skills in Java and experience in low-la ...

Senior Java Engineer – Cloud Native Post Trade (Hybrid)

Harrington Starr is seeking a Senior Java Developer to contribute to a cloud-native post-trade platform. This engineering role involves designing and delivering scalable backend systems, working closely with Product and Client Services teams. The ideal candidate will have a strong Java background, expe ...

Java Engineer: Algorithmic & High Performance Systems

Millennium is seeking a Java Developer to join our high-performing Algorithmic Development team in London. The ideal candidate must possess strong hands-on Java skills with an understanding of concurrent and multi-threaded application environments. This is a full-time role that presents an excellent opportunity ...

Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

Senior Full Stack Cloud Developer

Senior Full Stack Cloud Developer – Senior Developer, Azure Devops, ADO, AI, RAG, Artificial Intelligence, Solutions Developer, Solutions Development, .Net Developer, bicep, docker, full stack, cloud developer, AI developer, platform engineer, containerisation, LLM, CI/CD, github, Technical Archite ...

Senior Engineering Lead

At Too Good To Go, we have an ambitious mission: to inspire and empower everyone to fight food waste together.More than 1/3 of all food produced in the world is wasted and that has a huge impact on the health of our planet. 10% of greenhouse gas emissions come from food waste and loss.Through our ...

Full Stack Web Developer

Full Stack Web DeveloperTelford (Office Based)Permanent£30,000 – £40,000 per annum (depending on experience)Monday – FridayBenefits: 25 days annual leave, healthcare, pension scheme + others.This is an exciting opportunity to join a growing and forward-thinking organisation ba ...

Full Stack Software Developer

Owen Daniels are supporting a leading Manufacturingbisiness. is a well-established technology business developing innovative software and communication solutions used within critical healthcare environments. Due to continued growth and investment in new technologies, they are seeking a talented Full Stack ...

Java Software Engineer

Co-Founder Venture Up - Building Tech and Product teams across UK and Europe! This range is provided by Venture Up. 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 Venture Up ...

Full Stack Engineer

This range is provided by intro. 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 intro Full Stack Developer - Hybrid (3 days onsite) Permanent - Competitive Package ...

Full Stack Developer

We're partnering with an innovative technology business seeking a talented Full Stack Developer to join their growing team. This is an exciting opportunity for a developer who enjoys building scalable web applications, working with modern cloud technologies, and delivering impactful customer engagement solutions ...

Java Software Engineer

Opportunity to join a global fintech innovator shaping the future of payment technology! About the Role: You’ll be working across backend services, portals, and payment processing platforms, delivering clean, scalable, and testable code. This is a hands-on engineering role where ...

Senior Java Software Engineer Quant Trading

Senior Java Software Engineer – Quant Trading This range is provided by Durlston Partners. 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 Durlston Partners Senior ...

Senior Platform Engineer Core Platform (UK)

Leeds, England, United Kingdom; London, England, United Kingdom About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners worldwide by offering products and s ...

Full Stack Tech Lead (Node.js, React, JavaScript)

Salary: £30,000 - 55,000 per year Requirements: Bachelors degree in Computer Science, Engineering, or equivalent experience Strong hands‑on development background Proven experience in technical leadership or senior development roles Experience d ...

Senior Java Backend Engineer – IDAM on Azure Kubernetes

A leading recruitment agency is seeking an experienced Senior Back-End Java Developer to support a significant Government transformation programme in the UK. The role involves delivering enhancements and contributing to a cloud-based IDAM service using Azure Kubernetes. Candidates should have strong back-end Jav ...

Senior React Frontend Engineer | Hybrid (3 days in office)

Expert Employment is looking for a Senior Frontend React Developer to join their team in Cardiff, Wales. This role involves creating high-quality web applications with a focus on user interface design. Whether you're at the start of your career or have plenty of experience, they welcome your application. ...

Senior React UI Engineer Hybrid London

N Consulting Limited is looking for a skilled React UI Developer to join their team in London on a hybrid work basis. You will be responsible for designing front-end components that integrate seamlessly with back-end systems and continuously reviewing the services for improvements. The ideal candidate ...

Graduate .NET Developer

Graduate .NET Developer – Investment Bank – London (Tech stack: Graduate .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, Graduate .NET Developer) Our client ...

Senior Java Engineer: Scalable Enterprise Apps, AWS

Barclays is searching for a Java Developer to enhance our digital offerings from our Glasgow campus. This role involves developing high-quality software and collaborating with cross-functional teams to meet business objectives. The ideal candidate will have strong knowledge of Java and modern framework ...

Software Developer Multi Language Stack

Java Script Works is seeking a Software Developer for a full-time position in London, United Kingdom. The ideal candidate will possess a first class STEM degree and have a solid grounding in programming languages including C++, Java, Python, or JavaScript. The role offers a competitive salary ranging f ...

Senior Java & Full Stack Engineer (JSF, Microservices)

Experis - ManpowerGroup is seeking a skilled Senior Java Developer based in Glasgow to deliver modern software solutions. The role involves Java backend development and JSF UI contributions within a collaborative engineering team. The ideal candidate will have experience in component and microservice a ...

Senior Backend Engineer, Core Java – Remote UK

A leading technology company is looking for a remote backend engineer to enhance their Java tools and developer experience. You will be responsible for building and maintaining essential tools, collaborating across teams, and executing technical visions. Proficiency in Java, Scala, or Kotlin is required, along w ...

Senior Java Web Engineer — London (12m Contract)

Experis - ManpowerGroup is seeking a Software Developer to work in London, primarily focused on Java and Web technologies. The role includes designing and supporting enterprise-grade applications while adhering to modern engineering standards. Candidates should have strong experience in Java/JEE, a bac ...

Hybrid FX Risk Java Tech Lead | Global Markets

Citibank (Switzerland) AG in London is seeking a skilled FX Risk Java Developer (VP). In this role, you will lead a team to develop high-performance risk calculation systems that significantly impact global markets. The position requires extensive Java and multithreading expertise, along with a proven ...

Senior Software Engineer, Full Stack

Overview Hi, I’m Paul, VP of Engineering at Customer.io. We’re looking for curious, driven Fullstack (Product) Engineers who want to own big things and delight our customers. You’ll design, build, and ship the core product experiences our customers rely on - while helping the team push boundaries ...

.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 - 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 ...

Backend Developer

A revolutionary investment platform for activists -A clean, socially responsible future is still within reach – but only if we act soon. Job Description Vetted superstars for a fast paced MVP to deliver on May 31st Must haves: Rest API development experience in Node or Sp ...

Software Developer

Location: London Job Type: Contract Industry: Digital Workspace Job reference: BBBH441757_1781781678 Posted: 1 minute ago Software Developer £45,000 per year London (Hybrid) 12 Month Assignment We are looking for a talented Software Developer to join a high-profile progr ...

Lead Java Engineer

Join us to shape the future of financial technology and make a meaningful impact on your career. You’ll collaborate with talented professionals, solve complex challenges, and help build trusted market-leading products. We value creativity, inclusion, and continuous learning, offering you the opportunity to gr ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

Lead Java Engineer

Job DescriptionWe are looking for an accomplished and experienced Java Engineering Lead/Manager to lead our UKBI engineering team. Reporting into our Engineering Director, you will have a strong background in Java, microservices, serverless architecture, Docker, EKS and search technologie ...

Java Software Engineer

Contractor/Temp Java Software Engineer Engineering Ampthill - Bedfordshire About the Role We have a need for additional Software Engineers with Java programming skills to join the Ampthill, Bedfordshire Engineering team. Required skills, ...

Lead SDET – Java

Job Description The Role As a lead SDET for this communications scale up you will be focused on leading a small highly focused team responsible for this businesses robust enterprise systems. You will work with appropriate stakeholders to ensure testing strategies and process ...

Java Software Engineer

Contractor/Temp Java Software Engineer Engineering Ampthill - Bedfordshire About the Role We have a need for additional Software Engineers with Java programming skills to join the Ampthill, Bedfordshire Engineering team. Required skills, ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

ConsumerTech Java Architect

Consumer Tech ProductsOpportunity to lead the architectureAbout Our ClientThis opportunity is with a small-sized company operating in the Technology & Telecoms industry, specialising in consumertech. The company is known for its innovative approach to technology solution ...

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    Junior Java Fullstack Developer Spring Boot React Jobs in United Kingdom Job Search Guide, Trends and Insights