216,324+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 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

Java Software Engineer

A prominent IT consultancy is actively searching for a talented Full Stack Engineer to join their team on a permanent basis. The ideal candidate will possess extensive experience in developing robust web applications using Java (Spring Boot), HTML, CSS, and JavaScript/TypeScript. This role offers an exciting ...

Principal Java Engineer

Hello from RE Partners! Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful trac ...

Principal Java Engineer

Hello from RE Partners! Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful trac ...

Principal Java Engineer

Hello from RE Partners! Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful trac ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, data processing, and h ...

Java Backend Engineer

Job Title: Java Backend EngineerNo: of Positions: x4Location: LondonDuration of the Assignment: 1 YearExperience required: 10+Department/Practice: Commercial bankingStart Date: 17/07/2026Day rate: Upto £550 per day - DoE (Inside IR35)Job Purpose and primary objectives:Our clie ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers, if you are prepared to occasionally ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers, if you are prepared to occasional ...

Java Software Engineer

Java Software Engineer Would you like to help create products to support the sharing of scientific knowledge? Do you enjoy collaborating to solve complex technical problems? About the team: Our dynamic Agile Teams deliver the tec ...

Principal Java Architect

Requirements Deep Java Expertise: Spring/Spring Boot, and the broader JVM ecosystem Architectural Mastery: Strong grasp of software architecture patterns (e.g. hexagonal, layered, microservices), DDD, and event-driven systems (Kafka, Pulsar, etc.) Engineering Excellence: Mas ...

Java Full Stack

Java Full Stack Developer 12‑Month contract initially Based: Hybrid – 3 days per week onsite in Manchester Rate – £400 – £450 per day via Umbrella Overview We have a great opportunity with a world leading organisation where you will be provided with all of ...

Principal Java Architect

LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider, dedicated to delivering services that support the stability and growth of financial communities worldwide. Role Summary Reporting to the Director of Architecture within the Risk Inte ...

Senior SDET (Java)

Who we are:For over 20 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world’s most highly regulated firms ...

Senior Java Developers

Senior Java Developers – Global Markets Technology Join a leading global investment bank working on a high-impact workflow platform that handles millions of transactions (emails) every month across Global Markets. This is a unique opportunity to play a key role in scaling and modernising a m ...

Senior SDET (Java)

Overview For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world’s most highly regulated firms, giving th ...

Java Software Engineer

Java Software Developer – Sports betting Hedge fund startup - London Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship A couple of Java Software Developers are required for an exciting and innovative Sports betting hedge fund startup based in L ...

Java Software Engineer

A London-based trading company is looking for an experienced Java Engineer to join their technology team on an initial 6-month contract. This role is well suited to a backend-focused engineer who enjoys building robust, scalable Java services using modern frameworks, working closely with product, tr ...

Java Software Engineer

I'm currently supporting a leading Bank in their search for an experienced Java Engineer to join their flagship mobile platform. The system is built in Java on AWS with a strong focus on automation and you'll be working in an agile feature team, responsible for the full life cycle development and ...

Java Software Engineer

At Jacobs, we’re challenging today to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery and cutting‑edge manufacturing, turning abstract ideas into realities that transform th ...

Java Software Engineer

CORE BANKING, TRADING SYSTEMS or HIGH TRANSACTIONAL SYSTEMS EXPERIENCE ESSENTIAL Join a newly formed Service Modernisation & AI team driving AI‑first software development in financial services. This is a hands‑on Tech Lead role modernising high‑impact legacy services while building AI‑powered eng ...

Java Software Engineer

Ours is a globally distributed, full stack java tech team and our building blocks consist of a set of Microservice components, backend APIs, Rich UI, robust Eventing Platform and Data layer components utilising a wide range of modern technologies including: Java, RxJava, SpringBoot ...

Software Engineer (Java)

Key Responsibilities Lead development of features for the online shopping experience on Joybuy. Explore, learn, design, and implement modular and scalable software components, based on your understanding and current industry trends. Understand the business problem space, and ...

Java Software Engineer

Java Software Engineer - Retail Banking (Contract) Location: London (team based) | Remote from Manchester / Edinburgh consideredContract: 6 MonthsRate: Via Umbrella Overview We are looking for multiple experienced Java Software Engineers (up ...

Software Engineer Java

4 weeks ago Be among the first 25 applicants Starling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way.We're a fully licensed ...

Junior Java Engineer

Overview Quant Capital is urgently looking for a Junior Software Engineer with Core Java skills to join our high profile client, a Systematic Trading Hedge Fund. The client is known for technology focus, openness to opensource tools, scalability and robust performance. They currently manage around £2 ...

Senior Java Engineer

We’re looking for a Senior Java Engineer to join a high‑performing Electronic Trading engineering team working on low‑latency, high‑throughput systems at scale. This role offers the opportunity to build and evolve mission‑critical trading platforms , working closely with trad ...

Software Engineer (Java)

Key Responsibilities Lead development of features for the online shopping experience on Joybuy. Explore, learn, design, and implement modular and scalable software components, based on your understanding and current industry trends. Understand the business problem space, ...

Java Software Engineer

Java Developer - multiple roles £510/day Inside IR-35 6 month contract Active SC required Remote with occasional travel to London for client meetings only - expensable We are looking for experienced fullstack Java Software Engineers ...

Backend Java Engineer

Software Engineer (Java) Are you passionate about building software solutions that engage millions of sports fans worldwide? Do you want to work in a collaborative environment, building cutting‑edge technology that powers web and native applications across the sports industry? If so, we w ...

Java Software Engineer

FlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy‑ and sell‑side financial institutions. Through deep client partnerships with some of the world’s largest, most complex and demanding capital markets firms, we develop the flexible tools, techn ...

Senior Java Engineer

Position Type: Future Opening – Talent Pipeline The Opportunity We are always on the lookout for the brightest Java engineers in our London and Nottingham locations to help us build robust, enterprise-grade solutions that drive real-world impact. Although we do not have an immedia ...

Java Software Engineer

This range is provided by Venture Up. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Co-Founder Venture Up - Building Tech and Product teams across UK and Europe! Java Software Developer – Sports betting Hedge fund startup - London ...

Senior Java Engineer

Boogi is seeking a Senior Java Engineer to help build and scale our rewards platform. Boogi powers some of the world’s most innovative fintechs, including Capital on Tap & Trading 212 helping them scale through cashback and product-based rewards. Our platform delivers the of ...

Senior Java Engineer

Please sign in or create a new user account. If your login information is displayed below, then you are already logged in. Login Email: Password: Remember me Uncheck if on a public computer Recaptcha requires verification. I'm not a robot This site is exceeding reCAPTCHA Enterprise ...

Senior Java Engineer

Senior Java Engineer – Product Engineering | B2B SaaS | Insurtech Up to £120,000 per annum plus bonus and excellent pension London – 2 days a week Java | Spring Boot | AWS | Kubernetes | Event-Driven Architecture Senior Java Engineer – We have b ...

Senior Java Engineer

As a Senior Java Developer within Core Team, you will play a crucial role in the development of our Back Office and integration services. This position provides the opportunities to work on several greenfield projects, from concept designs to deploying and implementation, but also gain production experienc ...

Java Software Engineer

Software Engineer Build technology powering the future of sustainable travel At SilverRail, we’re transforming the way the world travels. As rail becomes the preferred low‑carbon option for short and medium‑haul journeys, our technology powers seamless booking experiences for travellers and ...

Staff Java Engineer

Role Senior Java Software Engineer Salary £80,000 to £95,000 base salary Location London Paddington – Hybrid, 3 days a week The Company WeDo is working with a global fintech organisation operating at significant scale within the payments space ...

Java Software Engineer

Hybrid - 1 day per month in London office We’re looking for an experienced Java Developers to join a fast-paced engineering team on an initial 6-month contract (Outside IR35). You’ll be contributing to the development and enhancement of scalable backend systems in a collaborative, delivery- ...

Software Engineer Java

4 weeks ago Be among the first 25 applicants Starling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way.We're a fully licensed ...

Junior Java Engineer

Overview Quant Capital is urgently looking for a Junior Software Engineer with Core Java skills to join our high profile client, a Systematic Trading Hedge Fund. The client is known for technology focus, openness to opensource tools, scalability and robust performance. They currently manage around £2 ...

Java Software Engineer

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? Location: Hybrid working in Central London We are very excited to once again be partnered exclusively with London ...

Junior Java Engineer

£90k, 20% Bonus, 3 days a week in the office. Quant Capital is urgently looking for a Junior Software Engineer with Core Java skills to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They like technology especially the opensource variety as w ...

Java Software Engineer

Job title: Mid-Level Software Engineer Client: Fintech Salary: Competitive Salary + Benefits Location: London The Role We’re currently supporting a well-established player wit ...

Java Software Engineer

Location: Hybrid working in Central London Salary: up to £120,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s latest spinout company. Leveraging cutting‑edge techniques with the latest technologies, th ...

Java Software Engineer

We are looking for a senior engineer who can take end-to-end ownership of complex, distributed systems - from a clean, accessible UI all the way down to the database and the pipelines that ship it. You will design, build, and operate cloud-native microservices in Java 17/21 with Spring Boot expose well-ver ...

Java Software Engineer

Overview BGC Group Greater London, England, United Kingdom Java Software Engineer BGC Group Greater London, England, United Kingdom Built upon the foundation of cutting edge tech and exceptional talent, BGC Partners is a pioneering global brokerage and financial technology com ...

Java Software Engineer

Senior Java Software Engineer Opportunity A Senior Java Software Engineer opportunity in a growing team who are upgrading and modernising their tech stack. The business is well established across the UK and the team require experienced software engineers who can demonstrate strong Java and Spring bac ...

Java Software Engineer

Java Software Engineer Would you like to help create products to support the sharing of scientific knowledge? Do you enjoy collaborating to solve complex technical problems? About the team Our dynamic Agile Teams deliver the technology that facilitates researchers to publish qua ...

JAVA L3 Support

Job Title JAVA L3 Support Job Location London, UK Employment Details Work mode: Onsite 5 days a week from the office. Contract duration: 6+ months. Once the candidate has established trust and commitment, the work days can be relaxed to 3 days a week in discussion w ...

🚀 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 Java Application Developer Java Web Tech Jobs in London Job Search Guide, Trends and Insights