107,740+ Junior Java Fullstack Developer Spring Boot React Jobs in UK — Top Companies Hiring July 2026

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PHP Backend Engineer (Midweight) – Build APIs & Microservices

MADD RECRUITMENT LTD is seeking a Mid Weight PHP Backend Developer to join their expanding team in Braintree. The role requires at least 2 years of PHP experience and involves developing backend functionality and integrating APIs. You will help create microservices and participate in code reviews to improve o ...

Front End Engineer (React/JS) – Flexible & Impactful

IBM in Greater London is looking for a Front-End Application Developer to design and develop modern user interfaces for web and mobile applications. Your role will involve using modern JavaScript frameworks to translate UI/UX designs into responsive and accessible experiences. At IBM, you'll be support ...

Senior Front End Architect — Web Native Transition

A scientific and engineering software provider in Guildford is seeking a Senior Front-End Developer to guide their transition towards a modern web-native experience. This involves strategic problem solving and hands-on coding, with a focus on using technologies like React and Electron. The role offers strong rem ...

Senior Developer & Tech Lead — Mentorship & Clean Code

UK Home Office in Salford is seeking a Senior Developer critical for product delivery. You will develop core components and help select appropriate technologies, ensuring technical standards are met while writing clean, secure code. This role involves mentoring engineers, supporting recruitment, and ma ...

Front Office C# & React Engineer for Capital Markets

jobr.pro is seeking a skilled C# Developer with REACT experience to join our delivery teams in London. This position involves designing, building, and enhancing front-office applications in a fast-paced trading environment. You will work closely with both business stakeholders and various support teams ...

Senior Full Stack Engineer (Node.js + React) Ownership

Tenth Revolution Group is seeking a talented Senior Software Developer to join their team in Newcastle Upon Tyne. The role involves developing scalable backend services and creating high-performance user interfaces using Node.js and React. You'll take ownership of projects from concept through to delivery whi ...

Senior Frontend Engineer — AI‑First, Full‑Stack, AWS

Rex Technologies GmbH is seeking a Senior Front End Developer to join its Clearing Technology team in London. The role requires expertise in React, TypeScript, and a full-stack capability to create secure web applications. You will drive an AI-first approach while ensuring compliance with FCA regulatio ...

Hybrid Node.js & Full Stack Engineer

SwiftCruit is seeking an experienced Software Developer to contribute across the software development lifecycle in a hybrid work arrangement based in Ware. Candidates should be proficient in Node.js, Python, with knowledge in modern JavaScript frameworks like React or Angular, and RESTful APIs. In addi ...

Senior Full Stack Engineer: Python, Node & AWS

Ashdown Group is looking for a Full Stack Developer in Northampton with strong skills in Python, Node.JS, and AWS. The role involves developing and supporting full stack web applications within a hybrid work model, allowing for flexibility between office and remote work. The ideal candidate should also ...

Frontend Engineer: Design System & Shared UI Hybrid

A leading Fintech company in Cardiff is seeking an experienced Frontend Engineer to spearhead the evolution of their component library and UI standards. You will play a crucial role in enhancing the developer experience and collaborating closely with product teams in a hybrid work environment. The ideal candidat ...

Senior Web Tools Engineer (React/.NET)

Rockstar Games is looking for a passionate Web Developer to join their team in Edinburgh, Scotland. This full-time, permanent position offers the opportunity to work on large-scale creative projects and collaborate with talented professionals. The ideal candidate should possess strong experience in React and ...

Senior Frontend Lead — React/Next.js Expert

Sonata One is seeking a skilled Senior Frontend Developer to lead frontend development initiatives. The ideal candidate has extensive experience with React and Next.js, contributing to innovative web applications. You'll mentor a team and collaborate closely with designers and backend developers, ensuring hig ...

Full stack Developer

About HuzzleAt Huzzle, we connect high-performing B2B sales professionals with global companies across the UK, US, Canada, Europe, and Australia. Our clients include startups, digital agencies, and tech platforms in industries like SaaS, MarTech, FinTech, and EdTech. We match top sales talent to full ...

Full stack Developer

About HuzzleAt Huzzle, we connect high-performing B2B sales professionals with global companies across the UK, US, Canada, Europe, and Australia. Our clients include startups, digital agencies, and tech platforms in industries like SaaS, MarTech, FinTech, and EdTech. We match top sales talent to full ...

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 ...

Global IT Software Engineer Senior Manager

Salary Salary: £105,000 - 130,000 per year Requirements A bachelors degree in Computer Science, Engineering, or a related field. Advanced degrees are a plus. 6-8 years of professional experience in software development or IT operations, with increasing respons ...

Senior 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 Senior Full Stack 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 k ...

Principal Front End Developer

Who are YapilyWhy we exist, and where we’re headedOur Mission: Redefining how the world interacts with value.Our Vision: A world without financial frictionOur Purpose: To empower everyone to acc ...

Principal Front End Developer

Who are YapilyWhy we exist, and where we’re headedOur Mission: Redefining how the world interacts with value.Our Vision: A world without financial frictionOur Purpose: To empower everyone to access and move valueYapily i ...

Principal Front End Developer

Who are YapilyWhy we exist, and where we’re headedOur Mission: Redefining how the world interacts with value.Our Vision: A world without financial frictionOur Purpose: To empower everyone to acc ...

Principal Front End Developer

Who are YapilyWhy we exist, and where we’re headedOur Mission: Redefining how the world interacts with value.Our Vision: A world without financial frictionOur Purpose: To empower everyone to access and move valueYapily i ...

Junior Frontend Engineer — Ground Segment, Space Tech

Open Cosmos Ltd in the UK is looking for a Junior Front End Engineer to design and optimize the user interface for mission operations. You'll write production-ready React code and collaborate closely with operators, designers, and product owners. Ideal candidates will possess programming skills in React and Type ...

Senior Fullstack Engineer AI Powered Fintech Platform (Remote)

A leading digital financial solutions company seeks a Senior Software Engineer / Staff Engineer / Architect to develop its AI-driven banking platform. The role involves designing secure serverless backends and developing user-friendly interfaces with React Native. Candidates should have over 10 years of experien ...

Senior Fullstack TS Engineer for Social Good eCommerce

Join Grey Matter Recruitment as a vital part of a unique Social Good platform in Greater London. You'll collaborate with cross-functional teams to develop a hyper-growth eCommerce solution, helping make a positive impact. The ideal candidate will have strong skills in SASS, DynamoDB, AWS Lambda, and ex ...

Senior Fullstack Engineer — AI‑Driven Internal Tools (Remote)

PC Games Insider is seeking a Senior Software Engineer in Greater London to build and enhance their internal back office platform. The ideal candidate brings over 5 years of engineering experience, strong skills in Python and frontend technologies like Vue, and a passion for AI and automation. This role requires ...

Principal Backend / Fullstack Engineer (E commerce & Platform Integrations)

Noble Panacea is a new revolutionary skincare brand founded by Nobel Laureate Sir Fraser Stoddart and launched in October 2019. The ground-breaking OSMV™ Technology at the core of the brand enables transformational efficacy and precision. We create deep respect & intention by adhering to the global princi ...

Principal Backend / Fullstack Engineer (E commerce & Platform Integrations)

Noble Panacea is a new revolutionary skincare brand founded by Nobel Laureate Sir Fraser Stoddart and launched in October 2019. The ground-breaking OSMV™ Technology at the core of the brand enables transformational efficacy and precision. We create deep respect & intention by adhering to the global princi ...

Senior Full Stack AI Engineer

Salary: £125,000 - 125,000 per year Requirements We require strong full-stack engineering experience using modern frontend and backend frameworks. We require commercial experience with one or more of the following: Python, Node.js, or Java. We require pro ...

Senior Full Stack AI Engineer

Salary: £125,000 - 125,000 per year Requirements We require strong full-stack engineering experience using modern frontend and backend frameworks. We require commercial experience with one or more of the following: Python, Node.js, or Java. We require pro ...

Native Mobile Engineer (iOS & Android) + Java Backend

KBC Technologies Group is seeking an experienced Native Mobile Developer with expertise in developing scalable applications for iOS and Android. This role requires strong backend development skills in Java and the ability to integrate mobile apps with robust backend services. The ideal candidate should ...

Payments Platform Software Engineer (Java/SQL)

Worldpay (UK) Limited is seeking a Software Developer for their Cambridge team to contribute to a leading global payment platform. The role involves working on features for an ecommerce payments gateway, collaborating with cross-functional teams, and solving complex technical challenges. The ideal cand ...

Graduate Software Engineer: Automation and Tools

microTECH Global Limited is looking for a skilled software developer to create commercial software tools and support embedded software solutions in the United Kingdom. Candidates should hold a Bachelor's degree in Computer Science or a related discipline, with proficiency in programming languages such as C/C+ ...

Senior Frontend Engineer

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence ...

Software Engineer

Software Developer Industrial Data & IIoTBelow, you will find a complete breakdown of everything required of potential candidates, as well as how to apply Good luck.Location: Sheffield, South Yorkshire (1 day per week on site)Salary: Up to £50,000 per annumJob Type: Permanent, Full-TimeRecrui ...

Contract Full Stack Developer (AI/ML)

Contract Full Stack Developer (AI/LLM Focus)Day Rate: £ - £/day (Flexible Depending on Experience)Initial Term: 6 months (Possibility of Extension)Location: Windsor, UK (Hybrid)Opportunity OverviewWe're seeking a full stack developer with s ...

Contract Full Stack Developer (AI/ML)

Contract Full Stack Developer (AI/LLM Focus)Day Rate: £ - £/day (Flexible Depending on Experience)Initial Term: 6 months (Possibility of Extension)Location: Windsor, UK (Hybrid)Opportunity OverviewWe're seeking a full stack developer with s ...

Software Engineer Support

Getnet Platforms is part of Santander Payment Solutions and brings together a set of key platforms within Santander’s global payments technology ecosystem. It includes software-as-a-service capabilities across the entire payments value chain, such as account-to-account processing, FX, SWIFT connectivity, f ...

Software Engineer

JOB TITLE: Software EngineerLOCATION: EdinburghHOURS: Full-timeWORKING PATTERN: Hybrid, minimum 40% in the office About this opportunity We’re looking to recruit a Software Engineer to work within the Payments Services Platform in Edinburgh. ...

Senior App Developer

Senior App Developer (React Native / Expo / TypeScript)Employment Type: Full TimeHours of Work: Monday to Friday, 9:00am to 5:30pmLocation: Bristol or Bideford (Hybrid)Team: Product Eng ...

Senior App Developer

Senior App Developer (React Native / Expo / TypeScript)Employment Type: Full TimeHours of Work: Monday to Friday, 9:00am to 5:30pmLocation: Bristol or Bideford (Hybrid)Team: Product Eng ...

Staff Software Engineer Transport

SummaryAs part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand ...

Staff Software Engineer Continuity

SummaryAs part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand ...

Staff Software Engineer Continuity

SummaryAs part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand ...

Staff Software Engineer Transport

SummaryAs part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand ...

Lead Python Web Developer — Django & Quant (London)

Java Script Works is seeking a Lead Python Web Developer to join their team in London, United Kingdom. The ideal candidate will have strong commercial experience with the Django framework and a solid understanding of web technologies. This full-time role offers a competitive salary of up to £110K and the oppo ...

Impactful Software Developer | C#/.NET | Newcastle

Jefferson Frank is looking for a Software Developer to join their team in Newcastle upon Tyne. The role involves delivering bespoke technology solutions for clients in banking and financial services. The successful candidate will need excellent programming skills in languages like C#/.NET, Java, Rust, ...

Android Developer (Kotlin) – Hybrid/Remote Opportunities

Netrolynx AI is seeking a skilled Android Developer to enhance our mobile engineering team. In this role, you will design and maintain high-quality Android applications, ensuring seamless user experiences. You will purposefully collaborate with product managers and designers to develop scalable solutions. </p ...

Senior Software Engineer (Java/C++) – Client Facing, DV Cleared

Gattaca, a leading consultancy in the Defence & Security sector, is looking for an experienced Software Developer to join their team in Leatherhead. The position involves tackling challenging real-world problems in a collaborative environment, contributing to both day-to-day delivery and long-term technical d ...

Salesforce Developer Greenfield Integrations & AI

慨正橡扯 is looking for a Salesforce Developer in Glasgow to join the Private Bank Wealth Management team supporting Project PRISM. You will focus on delivering green-field development on Salesforce, enhancing processes and enabling advisor activities. The ideal candidate should have a strong Salesforce ba ...

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