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

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Senior Staff Software Engineer

Ready to shape the future of data?Matillion is the intelligent data integration platform.We're changing how the world works with data – and we need driven, curious people who think big and move fast. We built the to supercharge data productivity, and now we’re shaping the future of data engineering with – ...

Senior Software Developer ( .NET & React) in Reading Rise Technical

Senior Software Developer (.NET & React) Reading (Hybrid), United Kingdom Posted about 1 year ago Salary: £80,000 - £90,000 + Insurance + Pension An excellent opportunity awaits an experienced software developer with strong .NET and React experience to join an industry‑lea ...

Front End Software Developer React in Cambridge RedTech Recruitment

Requirements for Front-End Software Developer Very strong front-end development skills using React You have several years of experience in a commercial role within development You have an eye for UI/UX Design Other technologies that would be beneficial; TypeScrip ...

Frontend Engineer (React) – Hybrid: 2d Remote, 3d On site

iBSC is seeking a Front End Engineer for a 6-month contract, working within IR35 regulations in Rowberrow, England. The role requires 3 days a week on-site with the flexibility of 2 remote days. Candidates should have strong skills in React, JavaScript/TypeScript, and JestJS, with a proven capability in build ...

Java Backend Engineer – Scalable APIs on Azure

JACOBS in Bristol is seeking a Java Software Engineer to design and deliver innovative software solutions across various sectors including transportation and government. This full-time, permanent position offers flexible working arrangements and emphasizes work-life balance. The ideal candidate will ha ...

Corporate Technology Support Engineer.

Corporate Technology Support EngineerCorporate Technology Support EngineerAbout MillenniumMillennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.Our peopl ...

Corporate Technology Support Engineer.

Corporate Technology Support EngineerCorporate Technology Support EngineerAbout MillenniumMillennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.Our peopl ...

Backend Engineer in London Kurt Geiger

Our Tech Stack: We use a variety of tools and technologies but you are not expected to have worked with all of them. Our technology stack includes: NodeJS TypeScript React GraphQL Amazon Web Services Mulesoft PHP Snowflake </ ...

Software Developer

We are looking for a Full Stack Developer with foundational to intermediate AI/ML knowledge to help build intelligent, scalable software applications with AI features. You will collaborate with software teams in projects delivered using either Waterfall or Agile methodologies, depending on business ...

Senior Java Engineer | Performance & Architecture

Rockstar Games is looking for a Mid/Senior Software Engineer specializing in Java to join our team in Dundee, United Kingdom. The ideal candidate should have a degree in computer science and a minimum of 3 years of Java EE development experience, with proficiency in Java 17. This full-time position offers compet ...

Staff Software Test Engineer Regulated Medical Devices

PassFort in Greater London is looking for a Senior/Staff Software Test Engineer to lead the quality and verification strategy across its software stack. You will create a testing infrastructure to ensure compliance with stringent regulatory standards while mentoring the engineering team in best practices. </p ...

VP Level Lead: Python & AI Platform Engineer

J.P. MORGAN is seeking a Lead Software Engineer to join the Athena Core DevTools team. You will design and build tools that enhance the developer experience for thousands of engineers across the firm, driving innovation and technical excellence. The ideal candidate will have strong engineering fundamen ...

Platform Technology Lead (10+ years) to oversee end to end platform design, development, and implementation for lending modernization

Our financial services client is seeking a Platform Technology Lead (10+ years) to oversee end-to-end platform design, development, and implementation for lending modernization Join a leading financial institution driving modernization across its digital lending ecosystem. This role leads techno ...

Platform Technology Lead (10+ years) to oversee end to end platform design, development, and implementation for lending modernization

Our financial services client is seeking a Platform Technology Lead (10+ years) to oversee end-to-end platform design, development, and implementation for lending modernization Join a leading financial institution driving modernization across its digital lending ecosystem. This role leads techno ...

Senior Software Consultant (Java/Scala) — Hybrid, UK Travel

True North Group is searching for talented individuals to deliver complex client services in a hybrid working model. Experience in Java or Scala is essential, alongside strong testing practices and an agile mindset. The role involves working in dynamic environments, delivering to GDS standards, and exh ...

Senior Software Developer Java in Edinburgh ASA Recruitment

A key public sector organisation is seeking a skilled Java Lead Developer to lead a large-scale Spring Boot upgrade and AWS migration initiative. You will modernise enterprise applications, enhance cybersecurity, and guide internal developers. Tech Stack & Skills J ...

Senior Software Engineer

Senior Software Engineer Location: Edinburgh, Scotland - Hybrid We are seeking an experienced Senior Software Engineer to join an amazing team, contributing across the full development lifecycle, from technical discovery and architectural design to rapid prototyping, ba ...

Staff Software Engineer Remote UK (SRE & Modernization)

A dynamic tech company is seeking a Staff Software Engineer who will lead modernization efforts for their core product. This fully remote role requires deep expertise in .NET Core and modern frontend frameworks such as React, Angular, or Vue. The ideal candidate will mentor engineers, drive architectural decisio ...

Senior AI Adoption Engineer — Enterprise AI (Hybrid UK)

Elanco Tiergesundheit AG is seeking a Principal Engineer - AI Adoption to lead initiatives in AI capabilities within the Enterprise AI engineering team. The role demands over 10 years of software engineering experience, specifically in DevSecOps and Agile settings, along with expertise in Python, React, and Type ...

Director of Engineering Digital Products

We’re looking for a hands-on, transformative engineering leader to own digital products & originations for Ford Credit Europe. As the Director of Engineering for Digital Products & Originations, you will oversee the digital products that power our customer-facing Originations and dealer experiences across Eur ...

Director of Engineering Digital Products

We’re looking for a hands-on, transformative engineering leader to own digital products & originations for Ford Credit Europe. As the Director of Engineering for Digital Products & Originations, you will oversee the digital products that power our customer-facing Originations and dealer experiences across Eur ...

Senior Software Consultant (Java/Scala) — Hybrid, UK Travel

True North Group is seeking professionals to deliver in complex client environments using Java or Scala. You will work in a hybrid model, involving paid travel to client sites across the UK. The role requires experience in GDS service delivery, strong testing practices, and agile teamwork. Benefits inc ...

Principal Java Engineer API & Cloud Architect

A leading IT search consultancy is seeking a Senior Technical Leader or Principal Software Engineer in Manchester. You will lead a team in the API division, contribute to technical architecture, and work on impactful projects. Ideal candidates possess strong Java engineering and cloud skills. This role comes wit ...

Software Developer, Risk and Regulatory

Job Description As a Software Developer, you will be working in a small team of talented developers following agile practices, to develop high quality scalable solutions. The Risk and Regulatory team’s goal is to form a function around an ever‑growing road map. This will be covering not o ...

Infrastructure Operations Lead in London LinuxRecruit

Infrastructure Operations Lead London, United Kingdom Posted 6 months ago Overview Working on projects that are helping over 40 million people nationally. Tech Stack Docker Kubernetes Infrastructure Java Ope ...

Java Microservices Engineer Hybrid & Flexible

We’re a digital insurance provider with ambitious plans to become The Best and Biggest in the UK market. Over the past few years, we've made significant investments in our data and tech capabilities, particularly within our CIO function. Our CIO team is at the forefront of driving innovation and ensuring our ...

Senior Java Engineer Microservices & Cloud

A leading software development company in Greater London is seeking a Senior Java Developer to contribute to the development of Back Office and integration services. You'll work on greenfield projects, collaborate with cross-functional teams, and engage in aspects from architecture to deployment. The ideal candi ...

Senior Java Engineer AI Enablement

Senior Java Engineer – AI Enablement IG Group is a FTSE250 FinTech company building mobile, web and desktop platforms for trading. We are forming a Service Modernisation & AI team to pioneer AI‑first development practices in financial services. About the Team You will join a small ...

Senior Java Microservices Engineer – Contract

Nexus Jobs Limited is looking for a Java Software Engineer for a contract position in Bristol, United Kingdom. The ideal candidate must have at least 5 years of experience in software engineering, specializing in Java development, and should be well-versed in agile methodologies. The role involves work ...

Senior QA Automation Engineer (Java)

Emergn is a technology and management consultancy with a mission to set our clients free. No dependency. No short-term fix. Just teaching them the real cure to their problems, so they can stay ahead of their competitors now and forever. A different kind of consultancy like this needs a different ki ...

Core Java Engineer — Concurrency & Systems

Travelfusion is expanding its core Java Engineering team in London. We require a skilled Java engineer with expert-level knowledge of J2SE, at least three years of experience, and familiarity with web architectures. The role involves contributing to all phases of the development lifecycle, writing effi ...

Backend Engineer: Java Microservices & Payments

Sivara GmbH, located in Greater London, is seeking a backend developer with fluency in Java and 4+ years of experience. You will be involved in building mobile APIs and developing microservices, focused on greenfield projects and improving existing systems. The ideal candidate should have a bachelor's ...

Senior Java Engineer Camunda & Microservices

Sivara GmbH in London (Vauxhall) is seeking an experienced Java Developer to join our implementation team. The ideal candidate will design and develop Camunda-based process automation solutions and collaborate with analysts to refine business processes. You should have strong experience with Java, Spri ...

Security Cleared Java Backend Engineer

IDEMIA Public Security is seeking a Software Developer to join our team in Winnersh, UK. This role supports long-term government projects and requires strong Java skills to maintain mission-critical systems. Your work will involve designing and managing secure back-end services, contributing to coding ...

Senior Java Engineer, Investments Platform

Dangote Industries Limited is looking for a talented product developer to lead the expansion of customer investment offerings. This role requires strong technical skills, a focus on user experience, and the ability to manage complex projects. The starting salary for this position ranges from £105,000 t ...

Java Engineer (12M FTC) Argos

Overview We’d all like amazing work to do, and real work-life balance. That’s waiting for you at Sainsbury’s. Think about the scale it takes to feed the nation and the level of data, transactions and variety involved. This is a modern software engineering environment with a focus on standards and ...

Senior SW Engineer Java/Ruby

About the Company the company is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay a ...

Java Backend Engineer – Microservices & AWS

Caesars Sportsbook & Casino in Leeds is seeking a backend developer to join our US Product Development team. You will build innovative retail systems for Sportsbooks and hotel check-in kiosks. Responsibilities include designing Java microservices and collaborating with QA for high-quality software delivery. < ...

Senior Java Engineer Cloud Microservices

Apexon, based in Greater London, is looking for a self-motivated senior developer who excels in creating innovative software solutions. With a focus on Java, Spring Boot, and cloud services, the ideal candidate should have over 5 years of commercial experience and a passion for clean, maintainable code. < ...

Java Backend & BPMN Automation Engineer

iXceed Solutions is seeking a skilled individual to design, develop, and maintain business process automation solutions in Burgess Hill, England. In this role, you will build scalable backend applications with Java and Spring Boot while integrating workflows with external systems. The ideal candidate s ...

Backend Java Engineer Microservices & Kafka

TEKsystems is looking for a Backend Java Developer in Burgess Hill, UK. This role focuses on backend microservices development using Java (17+) and involves working with event-driven architectures powered by Kafka. Candidates should have a strong background in REST APIs, CI/CD pipelines, and containerization ...

Senior Java Engineer FX eTrading

**Senior Java Engineer - FX eTrading** (Contract)Duration: 12 Months (Possibility for extension)Location: London/Hybrid (4 days per week on site)Rate: A highly competitive Umbrella Day Rate is available for suitable candidatesRole ProfileAs a Senior Java Engineer, you will ...

Senior Java Engineer, Distributed Systems

Elastic is hiring a Senior Software Engineer for their Elasticsearch - Distributed Systems team based in Greater London. You will focus on enhancing the performance, scale, and resilience of Elasticsearch, working on distributed systems and consensus algorithms. The ideal candidate has strong Java skil ...

Java Backend Engineer — Microservices & Cloud

Albany Beck is seeking a talented Software Engineer based in Sheffield. The ideal candidate should have proficiency in Java and a strong background in backend application development. This role involves delivering high-quality code, collaborating with a global team, and supporting the architecture aligned to ...

Mid/Senior Backend Engineer (Java)

Mid/Senior Backend Engineer (Java) | RemoteAbout RevolutPeople deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and mo ...

Backend Software Engineer

Back End Software Engineer - 6 months - Glasgow - Outside IR35 Day rate - Circa £480 Harvey Nash's public sector client are currently looking to recruit a Back‑End Software Engineer to join their team based Glasgow/Remote for an initial 6‑month period. Main Duties: < ...

Senior Java Developer Contract Dublin 6 18 Months

Senior Java Developer Contract Dublin 6-18 Months. My client a leading global firm is in urgent need of a talented and experienced Senior Java Developer to join their group on a contract basis.My client is looking for a full stack Java engineer. You will be able to demonstrate experience designing, devel ...

Junior Full Stack Developer — JS, PHP, SQL

Gravity Engineering Services Pvt Ltd. is seeking a talented software developer to contribute to a bespoke CRM/ERP platform. Candidates should have a strong foundation in JavaScript, TypeScript, React, and experience in PHP and Laravel for backend development. The position involves collaborating with pr ...

Senior Full Stack Developer eSC/eDV Clearance

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

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