100,192+ Java Developer Java Developer Lead Jobs in London, UK — Local Employers 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

AI Programmer

Junior AI Developer Programme – Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. The Programme This 10–14 week o ...

AI Scientist

Junior AI Developer Programme – Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. The Programme This 10–14 week o ...

AI Engineer

Junior AI Developer Programme – Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. The Programme This 10–14 week o ...

AI Engineer Starter Course (Barnet)

Junior AI Developer Programme – Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. The Programme This 10–14 week o ...

AI / ML Specialist

Junior AI Developer Programme – Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. The Programme This 10–14 week o ...

AI Programmer

Junior AI Developer Programme – Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. The Programme This 10–14 week o ...

AI Scientist

Junior AI Developer Programme – Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. The Programme This 10–14 week o ...

AI Engineer

Junior AI Developer Programme – Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. The Programme This 10–14 week o ...

PowerApps Developer (Contract) SC Cleared / NPPV3

PowerApps Developer (Contract) - SC Cleared / NPPV3London (Hybrid - 3 days per week onsite) Initial 3 Months - Strong Extension Potential Up to £520 per day (Outside IR35) We are currently seeking a highly capable PowerApps Developer t ...

Senior Android Developer (Kotlin / Jetpack Compose)

Senior Android Developer (Kotlin and Jetpack Compose) Location: London or Manchester (Hybrid - 2 days per week in the office) We're partnering with one of the UK's leading consumer technology businesses, whose digital platforms help millions of people make smarter fin ...

PowerApps Developer, Hybrid, Central London, 70k,

Power Apps Developer is required for an architectural firm near Charing Cross, London , with a salary of up to £70,000. Hybrid , 1 day remote. The role involves developing PowerApps and Power Automate solutions to improve ...

PowerApps Developer (Contract) SC Cleared / NPPV3

PowerApps Developer (Contract) - SC Cleared / NPPV3London (Hybrid - 3 days per week onsite) Initial 3 Months - Strong Extension Potential Up to £520 per day (Outside IR35) We are currently seeking a highly capable PowerApps Developer t ...

SENIOR SOFTWARE DEVELOPER – EDINBURGH OR LONDON

Passionate about contributing to a more sustainable world? Bring your passion for sustainability and digital innovation to a meaningful Senior Software Developer role that is instrumental in shaping and advancing the digital infrastructure that supports our engineering and consultancy teams to design services fo ...

PowerApps Developer, Hybrid, Central London, 70k,

Power Apps Developer is required for an architectural firm near Charing Cross, London , with a salary of up to £70,000. Hybrid , 1 day remote. The role involves developing PowerApps and Power Automate solutions to improve ...

Web Developer (React, TypeScript & C# / .NET)

Web Developer - (React, TypeScript & C# / .NET)We are looking for a Web Developer with strong React and TypeScript experience and some knowledge of C# and .NET to join a development team on an initial 12-month contract.Responsibilities * Develop and maintain web applications using Re ...

PowerApps Developer, Hybrid, Central London, 70k,

Power Apps Developer is required for an architectural firm near Charing Cross, London , with a salary of up to £70,000. Hybrid , 1 day remote. The role involves developing P owerApps and Power Automate solutions to improve internal processes and client-facing activities. Key skills required include experience w ...

PowerApps Developer, Hybrid, Central London, 70k,

Power Apps Developer is required for an architectural firm near Charing Cross, London , with a salary of up to £70,000. Hybrid , 1 day remote. The role involves developing P owerApps and Power Automate solutions to improve internal processes and client-facing activities. Key skills required include experience wi ...

Head of Product Security – CISO function BPL

Head of Product Security - CISO Function – BPL The Head of Product Security - BPL leads the pillar responsible for ensuring everything the company builds and ships is secure by design. This is the most agile-facing pillar in the CISO function in BPL – it must embed into product squads without beco ...

Kubernetes Product Owner

About the OpportunityJob Type: PermanentApplication Deadline: 31 July 2026Title: Kubernetes Platform Owner – Engineering Manager Department: Enterprise Technology Services Location: Cannon St/Kingswood Fields UKReports To: ...

Kubernetes Product Owner

About the OpportunityJob Type: PermanentApplication Deadline: 31 July 2026Title: Kubernetes Platform Owner – Engineering Manager Department: Enterprise Technology Services Location: Cannon St/Kingswood Fields UKReports To: ...

Lead Android Engineer: Architecture & Mentorship

Oliver Bernard is seeking a Lead Android Developer in Greater London to lead the development of high-quality mobile products. The ideal candidate will have experience in a Lead role, a strong understanding of Android architecture, and a passion for mentoring engineers. You will oversee native Android a ...

Senior Manager – Application Security

About The Team The Senior Manager of Application Security leads a global team responsible for embedding security into Miro’s Software Development Lifecycle (SDLC)—from concept to code to customer impact. This team partners closely with product and engineering to proactively mitigate risk while ac ...

Software Engineer II Global Banking Platform JPMorganChase

Key Responsibilities Design, develop, and maintain high‑throughput microservices that support hundreds of millions of banking accounts. Implement cloud‑native solutions using AWS, Docker, and Kubernetes to ensure scalability and resilience. Collaborate with cross‑functio ...

IT Strategy Consultant

IT Strategy Consultant – London (Hybrid 2 days/week) Are you an IT Strategy expert passionate about transforming business through technology? Join us to help leading insurance organizations leverage Guidewire, Java, and innovative IT strategies to drive operational excellence and growth. ...

D365 CE Developer (Field Service) (contract)

job Title: D365 CE Developer (Field Service) Salary: Competitive Daily Rate Location: Remote (UK) – Home-based with occasional office/client visits if required Work Type: Contract Role: We're partnering with an innovative organisation looking to bring in an exp ...

Quant Developer – Quantitative Strategies & Data Group

This job is with Bank of America, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Job Description:At Bank of America, we are guided by a common purpose to help make financ ...

Full Stack Developer – AI & Cloud Innovation

This job is with CGI, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Full Stack Developer - AI & Cloud Innovation Position Description At CGI, you will turn emergi ...

Catastrophe Risk Data Automation & Reporting Developer

This job is with Beazley, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.GeneralJob Title: Catastrophe Risk Data Automation & Reporting Developer Division: ...

Kubernetes Product Owner

About the OpportunityJob Type: PermanentApplication Deadline: 31 July 2026Title: Kubernetes Platform Owner – Engineering ManagerDepartment: Enterprise Technology ServicesLocation: Cannon St/Kingswood Fields UK< ...

Quant Developer – Quantitative Strategies & Data Group

Quant Developer – Quantitative Strategies & Data Group London, United Kingdom **To proceed with your application, you must be at least 18 years of age.** Acknowledge ( ...

Developer Support Engineer: AI Tools & Observability

A leading AI observability platform is seeking a Developer Support Engineer to help developers overcome challenges in their projects. The position requires 3-8 years of experience supporting developer tools, strong coding skills in Python or TypeScript, and excellent communication. You will troubleshoot issues, ...

Quantitative Developer, Python Trading Teams EMEA

Tower Research Capital is a leading quantitative trading firm founded in 1998. Tower has built its business on a high-performance platform and independent trading teams. We have a 25+ year track record of innovation and a reputation for discovering unique market opportunities. Tower is home to some ...

Comarch Developer Network Inventory & Service Management

We are seeking an experienced Comarch Developer / L2-L3 Support Engineer to support a large-scale Network Inventory and Service Management ecosystem within the telecommunications domain. The successful candidate will be responsible for platform support, incident management, network inventory troubleshootin ...

Food Product Developer — NPD & Launch Specialist

Drnewitt is seeking a talented Product Developer / NPD Technologist to join its team in Greater London. You will develop innovative food products, working closely with various departments to ensure successful product launches. This role is ideal for individuals passionate about food innovation and tren ...

Senior C# Developer — Commodities Trading Platform

Quanteam UK is looking for a talented Commodities Trading C# Developer to join their London team. This role involves contributing to projects that enhance pricing, risk, and post-trade services, while focusing on system complexity improvements and platform performance. The successful candidate will des ...

Senior Intapp Developer — Hybrid & Impactful Integrations

A leading international law firm is looking for an Intapp Senior Developer to join their dynamic team. This full-time role involves developing and maintaining the Intapp suite of products, supporting enhancements, and collaborating with different stakeholders. The ideal candidate should possess strong experience ...

Quantitative Developer | Electronic Trading & Systematic Modelling

The Role: This is a build-heavy quant engineering role sitting close to electronic trading, focused on creating the infrastructure that allows research teams to test and scale trading ideas properly. You will be working on the environment that sits behind systematic strategies, improving how mode ...

Smart Contract Developer Assistant Vice President

Role Summary :We are seeking an experienced Smart Contract Developer to join our Digital Asset Development team. This is a hands‑on, security‑focused role responsible for designing, developing, testing, and deploying smart contracts that underpin institutional digital asset capabilities such as tokenisation, sma ...

Senior Python Developer — Derivatives Risk & Pricing

Apex Systems is seeking experienced contractors in the United Kingdom, specifically in Bromley/London, for a critical initiative requiring strong Python development skills. This role involves designing and developing complex server-side components while supporting core engineering streams amidst demanding pro ...

AWS Powered Python Developer (Serverless) – Dublin

DataArt is seeking a developer to join its team in London, focusing on designing and building AWS-enabled solutions with Python. You'll work on core business applications and support a global user base while collaborating with your team on technology direction and best practices. Key requirements inclu ...

IAM Identity Developer — One Identity Specialist

83zero in Greater London is seeking a skilled Identity Developer to design and support large-scale Identity and Access Management (IAM) solutions. You will work with One Identity Manager and integrate enterprise systems like Active Directory and Office 365. The ideal candidate has strong experience in ...

AI Developer Advocate — Remote EU/Hybrid

Verda is looking for a public technical voice for AI engineers and researchers in London. You will create tutorials and benchmarks for the ML model lifecycle and represent Verda at industry events. The ideal candidate has a strong background in AI workloads, at least 3 years in roles like developer adv ...

Senior PHP Developer — Laravel, AI & SaaS

Oliver Bernard is seeking a Senior PHP Developer to join their leading SaaS company based in central London. The role offers an opportunity to be a part of a close-knit development team and engage actively in the software development lifecycle. The ideal candidate should have over 5 years of experience ...

Moodle (PHP) Developer for Learning Platforms

Arden University is seeking a Moodle Developer. You will engage with the full software development lifecycle to enhance University Learning systems (Moodle) and contribute to developing excellent educational solutions for students. The ideal candidate will have strong experience in Moodle, PHP, and Agi ...

C++ Trading Developer, Quant Trading Team

Responsibilities Continuously improve the design and performance of our automated trading system, including exchange connectivity, derivatives pricing model, order and risk management system. Implement trading strategies that are highly adjustable in live trading and easily integr ...

Python Developer Scale FinTech Data Platform

A leading tech house in finance is looking for a Python Developer with outstanding technical skills to join their team in London. You will work on innovative software and build scalable data platforms, collaborating with top technologists. The ideal candidate has strong experience with Python and SQL, enjoys wor ...

Quantitative Developer | Electronic Trading & Systematic Modelling

The Role: This is a build-heavy quant engineering role sitting close to electronic trading, focused on creating the infrastructure that allows research teams to test and scale trading ideas properly. You will be working on the environment that sits behind systematic strategies, improving how mode ...

Quantitative Developer High Performance Trading Systems

A leading systematic hedge fund in the UK is seeking a Quantitative Developer to design, implement, and maintain trading systems. This role combines software engineering and quantitative research, focusing on building reliable tools for systematic investment strategies. Candidates should have strong programming ...

Senior Python Developer Up to £140k

OB have once again partnered with a high-growth Data Intelligence Platform start-up, who are looking to grow their Backend team, by hiring a Senior Engineer, with strong Python skills, to come in and own architecture, performance and the overall quality of their backend which serves over 300 clients. T ...

🚀 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

    Java Developer Java Developer Lead Jobs in London Job Search Guide, Trends and Insights