113,712+ Junior Java Fullstack Developer Spring Boot React Jobs in UK — Top Companies Hiring July 2026

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Junior Developer (Python/JS/PHP) – Remote UK + Flexible Hours

Noir is seeking enthusiastic Graduate / Junior Developers to join their expanding team in London or remotely. Successful candidates will be passionate about technology and eager to leverage their skills in Python, JavaScript, or PHP. The role offers opportunities for growth within a vibrant company cul ...

Junior Developer in East Kilbride Flow Sports Personnel Ltd

Areas of Expertise As the UK's largest and most progressive areas, we specialize in the following technologies: SQL Server Management SQL Reporting SQL Merge Replication Power BI Windows PowerShell JavaScript libraries (React.js, React Nativ ...

Junior Python Full Stack Developer — Grow & Build Web Apps

A leading supplier in fine chemicals is looking for a Junior Full-Stack Website Developer to enhance their web applications that support various business systems. The ideal candidate will have a foundational knowledge of Python and web development. This full-time role is based in Corsham, offering competitive be ...

Mobile Application Developer

Leading Investment Management firm is seeking a senior React Native/Typescript mobile developer to join the team building the mobile app for their flagship front office platform. This platform is used by portfolio managers and analysts cross-asset to both manage portfolios and place orders, so strong commu ...

Java Developers x 2 SC Cleared

Java Developer - Cloud Services + 12 month initial contract + Hybrid working out of Newcastle + SC Cleared role + £70 p/h - Inside IR35 Key Skills: + Java Developer + Cloud Services + RedHat/Kubernetes Role Overview </ ...

Front End Developer

Front End Developer – FinTech – Newcastle (Tech stack: Front End Developer, React, TypeScript, Websockets, SignalR, Containers, Orchestration, UX, Usability, Programmer, Developer, Architect, Front End Developer) Our client is a cutting-edge FinTech company with a reputation for innovation an ...

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 ...

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 ...

Technical Lead

Company Description We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress furth ...

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 ...

.NET Developer in Swansea

.NET Developer - Swansea (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Since 2006 our client's revolutionary marketing soft ...

.NET Developer

.NET Developer - Leading E-Book Firm - Leicester (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a leading e-boo ...

.NET Developer – Stansted

.NET Developer, C# 14 – Global Technology Brand – Stansted, Essex (Tech stack: .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Full Stack Engineer, Architect, .NET Developer) Our client’s fascinating story dates b ...

Software Developer

Software DeveloperLocation: Northern Ireland (Hybrid working)Interview Location: Belfast (travel expenses not paid)Contract: 6‑month contract with a view to permanentRate/Salary: Hays is recruiting a Software Developer for a Northern Ireland–based organisation offering hybrid working. This role ...

Software Developer

Software DeveloperLocation: Northern Ireland (Hybrid working)Interview Location: Belfast (travel expenses not paid)Contract: 6‑month contract with a view to permanentRate/Salary: Hays is recruiting a Software Developer for a Northern Ireland–based organisation offering hybrid working. This role ...

Lead Developer in Wakefield BPM Tech Limited

Lead Developer Wakefield, UnitedKingdom Posted 9 months ago Tech Stack JavaScript PHP React Job Responsibilities Stay hands-on with development work (JavaScript, PHP, React). Contribute to presales, scop ...

Frontend React Architect – Greenfield Portfolio UI (London Onsite)

Harrington Starr is seeking a Front End Developer in London to join their Investment Management firm's Front Office Development Team. This role involves working on a Portfolio Management Application Suite focused on Equities Trading. You will be responsible for rebuilding applications using React and JavaScri ...

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 ...

Senior Software Engineer Full Stack, APIs & Cloud

hackajob is looking for a Senior Software Engineer in Glasgow to design and develop innovative software solutions. You will utilize a range of modern engineering methodologies to deliver scalable business capabilities while collaborating across teams. The successful candidate will possess considerable ...

IAM Full Stack Engineer: Secure Platform & Access Leader

A leading financial technology firm is seeking a Software Engineer to join their IAM team. In this role, you will design and implement secure, scalable solutions for user access management, employing cutting-edge technology in a supportive environment. Ideal candidates will have experience in full stack engineer ...

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 ...

Quality Assurance Developer AI Trainer in Manchester DataAnnotation

Requirements We require candidates to be proficient in either Python and/or JavaScript. You should have proficiency in at least one programming language/framework (such as JavaScript, TypeScript, Python, C, C#, C++, HTML/CSS, React, Go, Java, Kotlin, SQL, Swift, etc.). It’s essential that you can ...

VP of Site Reliability Engineering Scale & Automation

hackajob is looking for a Vice President – Site Reliability Engineer in London to enhance automated engineering solutions for Production Services. The role demands expertise in full-stack development, with proficiency in Python, Java, React, and Angular. You will collaborate with diverse teams, focusin ...

Senior Frontend Engineer — D3/React Web Apps Lead

Java Script Works is seeking a Senior Front End D3 Javascript Software Engineer based in London, United Kingdom. The role requires extensive experience in D3, React, and JavaScript, focusing on the development of advanced web applications. The ideal candidate will have between 7 to 10 years in software developme ...

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 ...

Lead Mobile Platform Engineer (React Native)

Principal Software Engineer, Platform (Mobile, React Native) Location: 108 E 16th Street, New York, NY 10003 Required Skills Location services, online maps, compass functionality, and device tilt sensors. Experience with object-oriented design using C, C++, or Java. < ...

Engineering Director: APIs, Frontend & ASP.NET

Java Script Works is seeking a Technical Director of Engineering to lead and scale engineering teams in Belfast. You will be responsible for delivering secure GraphQL and RESTful APIs while guiding front-end teams on compliant React and web portal development.The ideal candidate will have a strong back ...

Product Engineering Leader Cloud, React & Data Privacy

Java Script Works is seeking a Head of Product Engineering in Oxford, United Kingdom. The ideal candidate will have deep expertise in modern tech stacks including Python, TypeScript, Node.js, and React, along with experience in cloud platforms like AWS, Azure, and GCP. A strong understanding of data privacy and ...

Principal Front End Engineer: React & TS

Java Script Works is seeking a Principal Front-End Engineer based in Newcastle upon Tyne. This role focuses on leading the development of high-quality UI components using React and TypeScript, while collaborating with designers and backend engineers. Your technical expertise will be crucial in shaping ...

Engineering Director: APIs, Frontend & ASP.NET

Java Script Works is seeking a Technical Director of Engineering to lead and scale engineering teams in Belfast. You will be responsible for delivering secure GraphQL and RESTful APIs while guiding front-end teams on compliant React and web portal development. The ideal candidate will have a strong bac ...

Remote Java Backend Engineer Microservices & TDD

Inspired Thinking Group seeks a passionate Java Developer to join their Digital Engineering team in Birmingham. You will be responsible for developing complex Java applications in a collaborative Agile environment, working across various projects. Your role will encompass code development within both m ...

Senior Back End Developer in Crawley Akixi

Senior Back-End Developer Crawley, United Kingdom Posted 11 months ago Tech Stack Java Python JavaScript Backend Node.js APIs Responsibilities Design, develop, and maintain server-side applications ...

FX Risk Tech Lead & Senior Java Architect (VP)

Citi is looking for a Lead Java Developer – Vice President to join our FX Risk technology team. You'll work on innovative AI-powered systems for real-time FX risk management at one of the world's largest financial institutions. The role involves high-performance application delivery, architecture of cutting-e ...

SC CLEARED SALESFORCE DEVELOPER (IT) in Bristol LA International Computer Consultants Ltd

SC CLEARED SALESFORCE DEVELOPER (IT) Bristol, United Kingdom Posted 9 months ago Tech stack Java Skills and Experience Understanding of Salesforce architecture, including data models, workflows, and business processes. Profic ...

Senior Software Engineer Margin Technology Assistant Vice President

Overview As part of our global technology team, you will be working with a group of passionate engineers who build technical solutions to complex business problems. We are going through a very exciting phase of transformation in margin and collateral domains in Markets Technology, and you w ...

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 ...

Graduate Software Developer (2362)

Graduate Software Developer About Reply: Reply specialises in the design and implementation of solutions based on new communication channels and digital media. As a network of highly specialised companies, Reply defines and develops business models enabled by the new models of AI, big d ...

Graduate Software Engineer — Training, Hackathons & Growth

Graduate Software Developer About Reply: Reply specialises in the design and implementation of solutions based on new communication channels and digital media. As a network of highly specialised companies, Reply defines and develops business models enabled by the new ...

Type Script Engineer Python

Full Stack Developer - TypeScript & Python Stratford - Onsite 3 days a week 3 month contract Inside of IR35 We're hiring a Full Stack Developer with a strong frontend focus to help build and scale a next‑generation Voice AI / Ch ...

Specialist, Software Developer

This is a primary processing purpose. This is a secondary processing purpose. They gather information about your interactions on the site, such as which pages you visit frequently, how long you stay, and the links or buttons you click. They help us record any difficulties you have ...

Principal Software Engineer, Cloud

Principal Software Engineer, CloudSenior Full-Stack .NET Developer – AI-Forward EngineeringType: Full-timeLevel: Senior About the RoleWe’re looking for a senior full-stack .NET developer who treats AI tooling as a core part of their ...

Principal Software Engineer, Cloud

Principal Software Engineer, CloudSenior Full-Stack .NET Developer – AI-Forward EngineeringType: Full-timeLevel: Senior About the RoleWe’re looking for a senior full-stack .NET developer who treats AI tooling as a core part of their ...

Principal Software Engineer, Cloud

Principal Software Engineer, CloudSenior Full-Stack .NET Developer – AI-Forward EngineeringType: Full-timeLevel: Senior About the RoleWe’re looking for a senior full-stack .NET developer who treats AI tooling as a core part of their ...

Principal Software Engineer, Cloud

Principal Software Engineer, CloudSenior Full-Stack .NET Developer – AI-Forward EngineeringType: Full-timeLevel: Senior About the RoleWe’re looking for a senior full-stack .NET developer who treats AI tooling as a core part of their ...

Principal Software Engineer, Cloud

Principal Software Engineer, CloudSenior Full-Stack .NET Developer – AI-Forward EngineeringType: Full-timeLevel: Senior About the RoleWe’re looking for a senior full-stack .NET developer who treats AI tooling as a core part of their ...

Principal Software Engineer, Cloud

Principal Software Engineer, CloudSenior Full-Stack .NET Developer – AI-Forward EngineeringType: Full-timeLevel: Senior About the RoleWe’re looking for a senior full-stack .NET developer who treats AI tooling as a core part of their ...

Software Developer

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Software Developer Technical Office - Ipswich, UK, Ipswich, Suffolk, GB 30+ days ago Requisition ID: 1863 POSITION DE ...

Front Office Tech Developer

Experience Required• Minimum of to years of Java development, design and testing experience with prior financial industry experience. Knowledge of Spring Framework beneficial.Qualifications• This role is ideally suited for a very delivery focused technologist and someone looking to gain ...

Front Office Tech Developer

Experience Required• Minimum of to years of Java development, design and testing experience with prior financial industry experience. Knowledge of Spring Framework beneficial.Qualifications• This role is ideally suited for a very delivery focused technologist and someone looking to gain ...

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