1,837,444+ 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 Software Engineer

Senior Software Engineer CACI Bristol, UK £36,966 per year - estimated ? REMOTECLOSING SOON About Us We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing new bespoke solutions to solve our customers compl ...

Lead Software Engineer – Python / Java AI Markets Technology, Credit Pre Trade Technology

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and delive ...

Lead Software Engineer Python / Java AI Markets Technology, Credit Pre Trade Technology

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market‑leading t ...

Lead Software Engineer – Python / Java AI Markets Technology, Credit Pre Trade Technology

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading techno ...

Lead Software Engineer – Python / Java AI Markets Technology, Credit Pre Trade Technology

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading techno ...

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 ...

adoption software engineer. in London Randstad

Adoption Software Engineer London, United Kingdom Posted 10 months ago Below is a snippet of the job description. Tech Stack Java Essential Skills & Experience Proven hands‑on experience building and supporting high‑scale app ...

Copy of Senior Full Stack Software Engineer Payments in Windsor Neilson Financial Services

Required Qualifications Senior level software engineering competency, with strong full-stack experience. Proficient in .NET/C#, JavaScript, Azure SQL (MSSQL). Proven experience developing APIs and UI components in distributed systems. Experience working with pipelin ...

Copy of Senior Full Stack Software Engineer Payments in Windsor Neilson Financial Services

Required Qualifications Senior level software engineering competency, with strong full-stack experience. Proficient in .NET/C#, JavaScript, Azure SQL (MSSQL). Proven experience developing APIs and UI components in distributed systems. Experience working with pipelin ...

Senior Software Engineer / Tech Lead

Senior Software Engineer / Technical Team Lead (Java & C++)OverviewWe are seeking an experienced Senior Software Engineer / Technical Team Lead to join our development team. This is a hands-on leadership role that combines technical delivery, software development, and people ma ...

Senior Software Engineer / Tech Lead

Senior Software Engineer / Technical Team Lead (Java & C++)OverviewWe are seeking an experienced Senior Software Engineer / Technical Team Lead to join our development team. This is a hands-on leadership role that combines technical delivery, software development, and people ma ...

Senior Software Engineer

This range is provided by Harrington Starr. 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 Harrington Starr Recruiting for C# .NET Software Engineers within the Financial Services T ...

Senior Software Developer — Python/Django + React

e.surv Chartered Surveyors in Kettering is seeking a Senior Software Developer to enhance their software applications. The successful candidate will develop, test, and maintain applications while providing technical leadership and collaborating with stakeholders. You should have a strong background in Python, Dj ...

Lead Engineer in London Save My Exams

Lead Engineer London, United Kingdom Posted 11 months ago Tech stack SEO React Frontend Git Next.js Express JavaScript GitHub PostgreSQL TypeScript Skills Required </h3 ...

Lead Backend Engineer

Role : Lead Backend Engineer Salary : up to 125k Location : East/Central London (x4 days per week onsite) Tech stack includes : NodeJS, TypeScript, React, PostgreSQL, GraphQL, AWS, GitHub Actions, Pulumi. Current team size : x2 Engineers (p ...

.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 ...

.NET Developer Newcastle under Lyme

.NET Developer, C# 14 – Global Technology Brand – Newcastle-under-Lyme, Staffordshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) </p ...

Senior Digital Engineer (Java)

Salary: £55,000 - 95,000 per year Requirements Hands‑on experience building and maintaining cross‑platform mobile applications using React Native. Strong backend development experience using Java and Spring, including working with large or mature codebases. < ...

Senior Software Engineer (Rust Any Backend Language Accepted)

Fastest Growing Start-up in the UK | Defense | Senior Software Engineer | Rust We are partnered with one of the UK's fastest growing start-ups. They are a very technically focused group building cutting-edge decision making technology. The company's founding team has real pedigree, with b ...

Senior Oracle Developer | up to £75,000 | Berkshire, Hybrid

Senior Oracle Developer up to £75,000 Berkshire, Hybrid Pearson Carter are working with a very exciting client in the Travel and Leisure industry who are are partnered with giants such as TUI, EasyJet, Premier Holidays and more. They are looking for a Senior ...

Senior Oracle Developer | up to £75,000 | Berkshire, Hybrid

Senior Oracle Developer up to £75,000 Berkshire, Hybrid Pearson Carter are working with a very exciting client in the Travel and Leisure industry who are are partnered with giants such as TUI, EasyJet, Premier Holidays and more. They are looking for a Senior ...

Java Fullstack Engineer Financial Crime in Glasgow Barclays

Java Fullstack Engineer - Financial Crime Location: Glasgow, United Kingdom Posted about 1 year ago Job Overview Join our dynamic Technology team as a Java Fullstack Engineer at AVP level and be involved in shaping the future of financial crime prevention through ...

AI Solutions & DevOps Engineer in London Digiterre

AI Solutions & DevOps Engineer London, United Kingdom Posted 11 months ago Tech stack C PyTorch DevOps Python API Java TensorFlow Artificial Intelligence Skills and Qualification ...

Senior Java Developer Integrated Financial Crime (IFC)

Job Description Purpose of the role: To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Develop and deliver high‑quality software ...

Senior Fullstack Engineer, Identity & Security

Entrust is seeking a Senior Fullstack Software Engineer to contribute to the development of secure applications. The role involves working across the stack and collaborating with various teams to deliver impactful solutions. The ideal candidate should have 5+ years of experience, strong skills in React ...

Hybrid Java Backend Engineer | Spring, Microservices

A leading technology-focused organization is seeking skilled Java Software Engineers in Newcastle upon Tyne. You'll design and build scalable Java applications in an Agile environment, while also mentoring junior staff. The ideal candidate has significant experience with Java 8+, Spring, and strong collaboration ...

.NET Developer in Manchester Noir Consulting

Tech Stack .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 Position Overview We are looking for a Developer with expertise in the following technologies: </p ...

Senior Full Stack Lead — AWS, Node.js & Team Builder

Trafix IQ is seeking a Senior Full Stack Developer - Team Leader to drive team management and hands-on development within a growing financial services intermediary. The role involves maintaining and enhancing large-scale platforms using Angular, Node.JS, and MySQL, while leading a small team of developers. </ ...

Remote First Full Stack Tech Lead, Platform Scale

The Flex, based in Belfast, is looking for a Full‑Stack Engineering Lead to scale its technology platform, Base360.ai. This role emphasizes hands-on leadership, product development, and driving engineering excellence. The ideal candidate will design high-impact products, architect scalable systems, and mentor ...

Remote First Full Stack Tech Lead, Platform Scale

The Flex in Brighton is seeking a Full‑Stack Engineering Lead to drive technology and engineering excellence. This role involves developing and launching products, ensuring systems scalability, and mentoring engineers. A strong background in full-stack development is required. The ideal candidate will ...

Senior Full Stack Tech Lead Public Sector (Swansea)

Scrumconnect Ltd. in Swansea is seeking a Lead Software Engineer to provide technical leadership across multi-disciplinary teams. This senior role combines engineering excellence with team guidance and will play a key part in delivering impactful digital services for the UK government. The ideal candid ...

Remote First Full Stack Tech Lead, Platform Scale

The Flex is seeking a Full‑Stack Engineering Lead to enhance our technology and engineering culture. You will take a hands-on approach to build products, tackle technical challenges, and architect systems, guiding engineering standards and mentoring your team. Your role includes leading product develop ...

Remote First Full Stack Tech Lead, Platform Scale

The Flex in Manchester is seeking a Full‑Stack Engineering Lead to drive the technology and engineering culture forward. This hands-on role involves building products, leading technical projects, and mentoring engineers. You will architect scalable systems and implement AI-powered workflows, allowing o ...

Lead Full Stack Python / Angular Developer Startup (Remote)

RemoteStar is looking to hire a Senior Python Developer on behalf of European clients with a fully remote work policy. About Client UK tech start-up focused on the development of AI LLM platforms for defense. Role Overview As the senior developer, you will be involv ...

Senior Full Stack Tech Lead — Remote, High Impact

A technology startup is seeking a Foundational Engineering Leader to own their technology stack. The role involves driving the technical roadmap, managing a high-performing team, and being a cornerstone of a mission-driven company shaping technology to better communities. A minimum of 5 years in engineering lead ...

Remote First Full Stack Tech Lead, Platform Scale

The Flex is seeking a Full-Stack Engineering Lead to guide the development of Base360.ai. This hands-on leadership role involves designing scalable systems, improving operational efficiency, and mentoring a high-performance engineering team. The ideal candidate will have strong full-stack engineering e ...

AI Native Full Stack Tech Lead — Health Tech

Aeon is looking for a hands-on technical lead to guide their engineering team and own the technical direction of their innovative health platform. The ideal candidate will have a strong full-stack background and a genuine focus on AI-driven software development to redefine healthcare with cutting-edge ...

Public Sector Cloud Lead — AWS, Full‑Stack & Architecture

IBM is seeking a Managing Application Developer to lead cloud development initiatives within the Public Sector and Defence projects. In this role, you will design, develop, and maintain cloud-based applications while mentoring junior and mid-level developers. Your focus will be on delivering secure, scalable ...

Principal Full Stack Architect | AI Driven Platform Lead

Atlas Copco Airpower N.V. is looking for a Principal Full Stack Engineer based in Clevedon, United Kingdom. The role focuses on designing and developing a software application for Thermal Management Solutions, using AI-assisted development practices and leading architectural decisions. This position of ...

Remote First Full Stack Tech Lead, Platform Scale

The Flex in Leeds is seeking a Full‑Stack Engineering Lead to help scale technology and engineering culture. This hands-on leadership position involves building products, solving challenges, and mentoring team members. The successful candidate will lead the development of Base360.ai, design high-impact ...

GenAI Senior Lead Developer — AI Enablement & Full Stack

Broadridge is seeking a Senior Lead Developer to join our AI Enablement Team in Greater London. The role involves designing and implementing solutions to enhance AI capabilities, focusing on GenAI projects. Candidates should have a degree in a relevant field and at least 7 years of experience in IT solutions, wi ...

Software Engineer

Position Overview Software Engineer – Department: Technology – Location: London (3 days in office). We are seeking a full‑stack Software Engineer who will help build tools to make partner performance accessible and understandable, enabling partners to increase their impact. The role invol ...

Senior React Developer

Senior Full-Stack Engineer Trading Platform (TypeScript / Node.js / React) Location: Waterloo, London (Hybrid) Overview Our client, a large enterprise, is seeking a Senior Full-Stack Engineer to join an established trading platform programme. This production‑crit ...

Principal Software Engineer

Date Posted: Country: United Kingdom Location: Manchester, Lancashire Position Role Type: Onsite Raytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern. As Principal Software Engin ...

Lead DevOps Engineer in Basingstoke Pulselive

Lead DevOps Engineer Basingstoke, United Kingdom Posted about 1 year ago This is a job posted by our partner Jooble. Tech stack Management Cloud Optimisation Node.js Java JavaScript Python Programm ...

Lead Software Engineering Java/Python Risk Data Platform & Strategy

Job Description Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a colla ...

Hands on Software Team Lead — Python/Go/Java Microservices

Golang Works in Manchester is seeking a Software Development Team Leader to oversee a dynamic team and drive software delivery. You will lead, mentor staff, and retain technical expertise while focusing on backend technologies. The ideal candidate has strong experience with cloud-based architectures an ...

Lead Software Engineering Java/Python Risk Data Platform & Strategy

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where yo ...

Lead Software Engineering Java/Python Risk Data Platform & Strategy

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where yo ...

Principal Engineer

Salary: £50,000 - 70,000 per year Requirements Deep, modern engineering craft, including secure-by-design, cloud-native architecture, distributed systems, API and event patterns, resilience engineering, IaC, and policy-as-code CI/CD. Strong experience with an enter ...

🚀 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