1,939,340+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Senior Java & Spring Architect for Scalable Cloud Systems

Lead Software Engineer Belfast, UnitedKingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack Spring Framework Java Kafka SQL Software Engineer messaging NoSQL Below is a snippet of the job description. To read the full text, please ...

Senior Digital Engineer (Java)

About the Role A Senior Digital Engineer at Love2shop, you will play a key role in designing, building, and maintaining digital products that power our customer experiences across web and mobile. You'll work at the intersection of engineering excellence, customer centric design, and help us deliver relia ...

Software Engineering Manager

Senior Business Manager - Cloud Software at Uniting Ambition / Placing permanent Senior Software talent in the Regions Software Engineering Manager Location: Manchester (Hybrid, 2 Days/Week Onsite) Drive Innovation in a Fast-Growing, Start-Up Inspired Environmen ...

Kotlin/Java Developer

Senior Software Engineer – Kotlin / Java (Financial Services) We’re supporting a major financial services programme that is scaling rapidly and looking to add several experienced backend engineers to the team. We’re looking for strong Software Engineers with proven experience building sca ...

Frontend Engineer (React & React Native) 12 Month Contract

Foresters Financial is seeking an experienced Frontend Developer (React & React Native) in Bromley, Kent. This role involves designing, building, and maintaining web applications while supporting mobile development. You will contribute to our digital platform, delivering seamless services for customers. < ...

Senior Frontend Engineer (React/React Native) Office: London

Responsibilities Your focus will be on our mobile and web apps! We have an intense roadmap ahead, which includes a plethora of new features and integrations, which you will be part of. Tech Stack Languages: TypeScript, Javascript Libraries and frameworks: gRPC, Redux, ...

Senior Frontend Engineer (Fintech, React/React Native) London

Job Search Place Limited is looking for a Senior Frontend Engineer to join their team in London. In this role, you will build and own core product surfaces using React and React Native, ensuring seamless and dependable financial interactions. The ideal candidate has strong experience in frontend develo ...

Software Developer

We have a new opportunity for a Full Stack Developer to join my growing client As aFull Stack Software Engineer , We are seeking a highly skilled and experienced React Native Developer to join our dynamic development team. As a key contributor, you will design, develop, and optimize cross-pl ...

Senior Software Engineer

Senior Software Engineer - Python - Contract - £600/day I'm hiring for a Senior Python Engineer for an initial 6-month contract. The role is ideal for engineers who enjoy owning features end-to-end while spending the majority of their time building scalable backend services and APIs. This ...

Senior Client Developer (Unity C#)

Direct message the job poster from Offroad Games Join Offroad Games, a fresh, London-based game studio founded by ex-Space Apes Games. We’re running two live games and tackling exciting technical challenges. You’ll be right in the action, working closely with the team on Chrome Valley Customs and Fastl ...

.NET Developer

.NET Developer, .NET 9, C# - Consultancy - Plymouth (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) Our client is an award-winning Microsoft c ...

.NET Developer – Leeds

.NET Developer - Leeds .NET Developer, .NET 10.0, C# 14, Agile - Leeds, Yorkshire (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 De ...

Lead Java Engineer Real Time Trading Systems

A leading electronic trading firm in the London Area is seeking a Lead Software Engineer to design high-performance trading solutions for front-office teams. You will work closely with exceptional engineers in a fast-paced environment committed to innovation and career progression. The company offers a competiti ...

Lead Public Cloud Platform Engineer Java/Python

United States Digital Space LLC is looking for a Lead Software Engineer to join the Cloud Engineering Acceleration team. You'll contribute to strategic public cloud solutions, guiding architecture direction and ensuring engineering excellence. Your role involves collaborating with teams, optimizing ser ...

Senior Java Engineer: Cloud Native Microservices Lead

Sanderson is seeking a Senior Java Engineer to work on government projects. This role requires mentoring junior engineers and collaborating with cross-functional teams to develop complex software solutions. The ideal candidate will have significant experience with Java, Spring Boot, and cloud platforms includ ...

Lead Java Engineer — Ultra Low Latency Systems

Orbis Group is seeking a Technical Lead - Low Latency Java Engineer based in London. You will join a specialized engineering team responsible for constructing high-performance exchange systems from scratch. This is a unique opportunity to design and optimize systems with performance levels measured in ...

Technical Lead Low Latency Java Engineer Greenfield

Technical Lead - Low Latency Java Engineer - Greenfield London | 4 Days Onsite We're partnered with a technology-driven trading and market infrastructure business building the next generation of high-performance exchange systems. This is an opportunity to join a small, highly spec ...

Senior Backend Engineer (Java) — Hybrid Platform Lead

Starling Bank is looking for Backend Software Engineers to enhance the Engine Platform, which powers innovative banking solutions globally. The role entails contributing to product development, leading projects, and fostering a culture of collaboration and learning. Ideal candidates will be engaged and ...

Senior Lead Backend Platform Engineer Java/Spring

A leading financial services firm in London is seeking a Senior Lead Software Engineer to design and maintain backend libraries and frameworks using Java and Spring Boot. The role requires strong collaboration with product engineering teams and a commitment to driving standardization within the development workf ...

Lead Java Engineer: Low Latency Trading Systems

Grid Dynamics is seeking Senior and Principal Java Developers to work on a high-performance trading project for a major financial institution. Candidates should have deep knowledge of Java and the JVM, strong experience with low-latency systems, and familiarity with microservice architectures. You’ll be part of ...

Lead Engineer, Risk Technology — High Performance Java

CoinDesk is seeking an experienced Java backend engineer to join the Risk Engineering team in Greater London. The ideal candidate will have over 10 years of Java experience, strong ownership skills, and the ability to thrive in dynamic environments. You will design scalable JVM services and collaborate with c ...

Senior Lead Backend Engineer — Java/Kotlin (Fintech)

Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We’re people-first. ...

Lead App Engineer Java, Python, Angular & Microservices

Job Role: Application Engineering Lead (Java, Python, Angular, Microservices and Adobe ) Location: Manchester, UK About the Job you are considering: We are seeking experienced Application Engineering Lead (Java, Python, Angular, Microservices and Adobe ) </st ...

Lead Java Engineer: FX Payments & Global Transactions

United States Digital Space LLC is seeking a Lead Software Engineer to shape the future of payments technology. In this pivotal role, you will lead technical initiatives, foster innovation, and drive solutions that meet business objectives. You will work closely with cross-functional teams to develop s ...

Lead Cloud AI/ML Engineer (Java & Python)

JPMorgan Chase & Co. is seeking a skilled professional to design and implement cloud-based applications. Responsibilities include collaborating with engineering teams and optimizing applications for performance and security. The ideal candidate possesses strong skills in cloud development, particularly AWS, a ...

Senior Lead Java Backend Engineer Cloud Microservices

TwinThread is seeking a Senior Lead Software Engineer in Greater London to deliver end-to-end solutions for cloud-native microservices applications. The ideal candidate will have significant experience in back-end software engineering, specifically with Java and cloud technologies. Responsibilities include ensur ...

Staff Java Engineer — Lead Scalable, Observed Systems

慨正橡扯 in Greater London seeks a skilled software engineer to join the M&S Software Engineering team, where you will create robust solutions for logistics in a fast-paced environment. With a focus on ethical values and innovation, you will help in redefining the business into a digital-first organization. < ...

Lead Java Backend Engineer — Workflow Orchestration & Microservices

DCV Technologies is seeking Java Developers at Mid to Lead level for a contract role in Burgess Hill, UK. This position offers a hybrid working arrangement with 2 days on-site. The ideal candidates will have strong Java backend expertise, focusing on enterprise-scale workflow automation and digital transforma ...

Lead Cloud AI/ML Engineer Java & Python

JPMorgan Chase & Co. is looking for a skilled software engineer to design and implement cloud-based applications. You will collaborate with teams to optimize applications for performance and implement best practices in security and scalability. The ideal candidate will have experience with AWS, AI/ML t ...

Lead Java Modernization Engineer — Spring Boot & Azure

Sivara GmbH is seeking a Lead Modernization Engineer specialized in Java and Node.js for a critical role based in Wembley, London. The successful candidate will be responsible for implementing coding standards, mentoring developers, and enhancing engineering practices within a cloud-native environment. <p ...

Senior Java Engineer Lead Microservices & Cloud (Manchester)

A technology consulting firm in Manchester is seeking a Senior Java Software Engineer to design and build user-centred digital solutions. The ideal candidate will lead technical projects, ensure quality, and mentor colleagues. Proficiency in Java, microservices, and cloud platforms is essential. The role offers ...

Lead Java Backend Engineer — Workflow Orchestration & Microservices

DCV Technologies is seeking Java Developers at Mid to Lead level for a contract role in Burgess Hill, UK. This position offers a hybrid working arrangement with 2 days on-site. The ideal candidates will have strong Java backend expertise, focusing on enterprise-scale workflow automation and digital transforma ...

Lead Java Engineer – Real Time Trading Platform

A leading FinTech innovator in London is looking for a Java Developer to build their next-generation, low-latency trading platform. This role involves developing high-performance systems in Java, optimizing multithreading, and collaborating with a team of experts. The ideal candidate has a degree in Computer Sci ...

Senior Software Developer

Senior Software Developer Date: Jun 26, 2026 Location: Abingdon, OXF, GB, OX14 4RW We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talen ...

Senior QA Software Manager

Responsibilities As part of the ADO team under GPTO Engineering, you’ll report to the Sr. Director of Engineering. This team is accountable for Performance test automation, configuration, and verification delivering repeatable performance comparison testing and diagnosis across a range of A ...

React Developer 3 Month Contract Hybrid/Manchester

Front End React Developer - 3 Month Contract - Hybrid/Manchester We are seeking a Senior Front End React Developer for a 3 month project based in Manchester. You will build scalable frontend code and contribute to features that power a digital web build. You will work closely with cross-functional ...

Defence Software Engineer (C#/Java) Bristol, 4 Day Week

Sivara GmbH is a leading defence organization based in Bristol, seeking three Software Engineers for an initial 12-month contract. The role involves developing application-level software and working collaboratively on a complex new Command and Control capability. Opportunities for a four-day work week ...

Back‑Office Software Engineer (COBOL/Java) – 12‑Month FTC

Booker in Eccles is seeking a Software Development Engineer to design and maintain resilient back-office systems. This 12-month fixed-term opportunity will involve working with technologies such as COBOL and Java within a Linux environment to ensure efficiency and performance. The ideal candidate will ...

Senior Java Software Engineer (Pricing API) – 5 days – London

Senior Software Engineer Day rate: £400 - £500 (inside IR35) – 6 month contract – London office, 5 days per week – Start: Now What You'll Be Doing Design and build scalable backend systems using Java and the JVM ecosystem Develop clean, maintainable code from product ...

Senior Java Software Engineer II — AI Driven Cloud Solutions

A leading information and analytics company in the UK is seeking a Senior Java Software Engineer II to enhance its cloud-hosted systems supporting scientific research. You will work in a dynamic Agile team, focusing on design, development, and deployment of innovative solutions using Java, Spring, and other mode ...

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 ...

Software Engineer Java or Go Belfast in Belfast Ocho

Overview Software Engineer - Java or Go - Belfast Location: Belfast, United Kingdom Posted 24 days ago Salary: £80,000 per year Requirements We are looking for a backend engineer with at least 1 year of experience in Java or Go. You should have ex ...

Senior Java Software Engineer Quote API (London or WGC)

About the role Join the team behind Price Service—a mission‑critical HTTP API powering pricing and promotions across all of Tesco’s channels. From tills to websites and everything in between, our work touches the lives of over 28 million UK shoppers every week, with global reach on the horizon. W ...

Software Engineer, Java (Mid/Senior) in Dundee Rockstar Games

Software Engineer, Java (Mid/Senior) Dundee, United Kingdom Posted 9 months ago Qualifications Degree in computer science or a similar discipline. Minimum 3 years of professional Java EE development experience. Skills Profi ...

Senior Frontend Engineer (Remote) — Lead Scalable React Apps

Alphasights is seeking a highly talented Senior Frontend Engineer to join their London team. This remote role involves designing technical solutions, shipping code primarily with React, and collaborating closely within a cross-functional team. If you possess a degree in a STEM subject and have proven e ...

Lead React/UI Engineer Build Scalable, Secure UIs

JPMorganChase is looking for a Lead Software Engineer based in Glasgow. In this role, you will be part of an agile team responsible for developing trusted market products. You will execute creative software solutions, develop high-quality code, and lead evaluation sessions. Candidates should possess hands-on exp ...

Remote Senior Front End Engineer React/TypeScript Lead

context recruitment is seeking a highly skilled Senior Front End Developer to lead the development of enterprise-grade applications. This remote role offers a salary of up to £90,000, depending on experience. The successful candidate will design robust front end applications using React and TypeScript, ...

Lead React Native Engineer — Bank of the Future

J.P. MORGAN seeks a Lead Software Engineer - Front-End Engineer to deliver cloud-native microservices applications for the International Consumer Bank. You will collaborate with cross-functional teams, mentor junior developers, and ensure application robustness. Your role involves leveraging modern web ...

Senior/Lead Engineer (React & TypeScript) in London Onroute

Senior/Lead Engineer (React & TypeScript) London, United Kingdom. We are seeking a highly skilled Senior/Lead Engineer with deep expertise in React (Next.js), React Native, and TypeScript to join our team full‑time. In this role, you will take ownership of our cross‑platform mobile applic ...

Lead React/TypeScript Engineer AI Driven Frontend Leader

Experian is seeking a Lead Software Engineer to join their engineering team in Nottingham. This role focuses on leading the design, implementation, and continuous improvement of scalable software solutions. The ideal candidate will have a strong background in React and Typescript, collaborating with stakeholders ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

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