158,806+ 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

Senior Software Developer

Overview Dyad is hiring a senior software developer to work in an up-and-coming healthtech startup with a strong emphasis on quality and collaboration. We are easy on Elixir-specific experience and care more for familiarity with language-agnostic technical practices that allow fast iteration whil ...

Senior Software Developer

Join It is a fast-growing B2B SaaS company helping organisations manage and grow their memberships. We support thousands of associations, clubs, and communities globally with software that simplifies recurring billing, member engagement, and day-to-day operations. We’re a lean, ambitious team with b ...

Intapp Senior Developer

In this role, you’ll be part of a dynamic team focused on developing and maintaining the company’s Intapp suite of products. You’ll work closely with product owners, application developers, and other stakeholders to implement technical changes, build integrations and troubleshoot complex issues. Th ...

AI Software Developer

WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predictive signals (alphas) through our proprietary research platform to employ financial strategies focused on market inefficiencies. Our teams work col ...

Jr Frontend Developer

Objectively restore stand-alone markets rather than enterprise-wide products. Uniquelyunderwhelm best-of-breed mindshare through adaptive niches. Seamlessly parallel taskopen-source content without resource sucking technology. Job Responsibilities Be involved in every step of the produ ...

Backend Software Developer

Trayport is actively looking for a Software Developer to join our team for the design and development of our flagship data analytics platform where you will contribute to system architecture, aid colleagues to help coordinate our projects and review code too. Our platform ingests hundreds of millions of da ...

Senior Software Developer

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real- ...

Senior Guidewire Developer

Senior Software Engineer 12+ years of Guidewire ClaimCenter implementation experience specializing in ClaimCenter configuration across LoBs Guidewire Ace certified developer certification (latest release) - mandatory Strong expertise in Claims across modules including LO ...

Senior Frontend Developer

Kick-start your career in the online gaming world and experience the very latest in technology and innovation. Do you see yourself as one of those “out-of-the-box thinkers”, “Technical masterminds”, “Outstanding creatives”, or “Mind-boggling number crunchers”? If so, we want to welcome you to the B ...

Ecommerce Website Developer

Get AI-powered advice on this job and explore more exclusive features. E-Resourcing Ltd - Specialist I.T. Recruitment pay range This range is provided by E-Resourcing Ltd - Specialist I.T. Recruitment. Your actual pay will depend on your skills and experience — discuss with your recruiter for ...

Frontend Developer React

About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up – thin ...

Windows Platform Developer

WWT EMEA has an opportunity for a Windows Platform Developer to design, evaluate, and implement a modern development environment across Windows and Linux. The successful candidate will focus on enabling developer productivity while ensuring strong security alignment, supporting large‑scale Windows ...

Game Engine Developer

Bloxd - Game Engine Developer We’re a profitable video game start-up in London with 11 million monthly players and we’re hiring engineers for our 8-person founding team. About us Creating games with editable worlds usually takes 20k+ lines of well-optimised code and years of dev ...

AI Software Developer

WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predictive signals (alphas) through our proprietary research platform to employ financial strategies focused on market inefficiencies. Our teams work col ...

Senior Software Developer

Spectrum IT Recruitment provided pay range This range is provided by Spectrum IT Recruitment. 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 Spectrum IT Recruitment Seni ...

Front End Developer

About Us: Solirius Reply, part of the Reply Group, delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respond to an ever-changing technical landscape. We partner closely with our clients, embedding our consultants ...

Senior Salesforce Developer

Job Type: Permanent Location: London Are you passionate about driving innovation and best practices in Salesforce? We have an exciting opportunity for you – Senior Salesforce Developer! TCS is a purpose‑led transformation company, built on belief. We do not just help ...

Senior Backend Developer

Base pay range Direct message the job poster from Fruition Group Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products ...

Senior Salesforce Developer

Senior Salesforce Developer | Founding Hire | Fintech Disruptor Location: Central London (High-Frequency Office Presence) Salary: Up to £80k + Bonus + Equity/Share Options The Mission We are representing a rapidly scaling fintech disruptor in the insurance brokerage space, led by a ...

.Net Developer (GCP)

Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK‑based, we apply our skills in transformation, delivery, and collaboration from across the ...

Senior Developer (ServiceNow)

Senior Developer (ServiceNow) Office location with Hybrid working: Hammersmith About the role and the Team We are seeking a talented and experienced ServiceNow Senior Developer to join our team and play a key role in designing, building, and operating our high-quality ServiceNow ...

Oracle Apex Developer

Oracle Apex Developer (Mid-Weight) - £55,420 - Fully Remote The Opportunity The Yolk Recruitment Public Sector & Not-for-Profit team are proud to be partnering with the Army Cadets Charitable Trust - a phenomenal charity providing a plethora of opportunities to young people across the UK. ...

SAP Developer (ABAP)

Overview Some of the biggest companies in the world still run on systems built decades ago. Those systems quietly power everything, yet they’re famously hard to change and even harder to understand. This company is building an AI-driven product that finally shines a light into that complexity and ...

.NET Developer London

.NET Developer - Fastest‑Growing Internet Co Ever – London Our client is changing the way merchants and consumers connect with each other worldwide. In 2024 they were the fastest‑growing internet company ever, driving more than £4 billion in revenue to local businesses. Their vision is to become ...

Software Developer Derivatives

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across ...

Backend Software Developer

Job Summary Trayport is actively looking for a Software Developer to join our team for the design and development of our flagship data analytics platform. In this role you will contribute to system architecture, coordinate projects, review code and help build the platform that ingests hundr ...

GRADUATE SOFTWARE DEVELOPER

Career Opportunities: Graduate Software Developer (11284) Requisition ID11284 -Posted - Years of Experience (2) -Technology - Where (1) Canvas Reply, part of the Reply Group, works with some of the world’s biggest brands, providing an end-to-end product design and developmen ...

Senior Salesforce Developer

Methods Methods is an established £100m Digital Transformation company, part of the Alten Group, which over the last 30+ years has provided innovative business and digital technology services. We have over 50 active clients many of which have been working with us for more than 10 years. Sin ...

UI Developer Intern

Were looking for a creative and motivated UI Developer Intern to join our front-end team. This internship offers a chance to work on real-world user interfaces that are used by thousands. You'll collaborate with designers and developers to turn ideas into interactive, user-friendly web applications ...

Backend Software Developer

## Backend Software DeveloperApplylocations: London - 2 Gresham Streettime type: Full timeposted on: Posted 6 Days Agojob requisition id: R-5997Trayport is actively looking for a Software Developer to join our team for the design and development of our flagship data analytics platform where you will cont ...

Senior Frontend Developer

Overview We are looking for a FrontEnd Full Stack Developer with strong expertise in modern UI frameworks and solid backend development skills. The role involves building responsive high-performance web applications and ensuring seamless integration with backend services. Your Role ...

Python Developer (GUI)

Python/Qt Engineer (GUI) - London - £150k base + bonus We’re working with a high-performing, technology-driven trading firm building mission-critical front office tools used directly by traders in fast-moving markets. They’re looking for a Senior Python Engineer with Qt expertise to help design a ...

Senior Android Developer

London, United Kingdom | Posted on 09/12/2025 We provide end-to-end IT solutions and services including Applications services, Data & Analytics services, AI/ML Technologies and Professional services in the UK and EU market.Job Description Overview We are seeking an ...

Senior Software Developer

About The Role Reporting to the Software Development Team Lead, the role will focus on developing and maintaining bespoke software solutions using .NET (C#.NET and VB.NET), SQL Server, and supporting technologies. You will work closely with IT Business Analysts to deliver high-quality solutions t ...

Risk Software Developer

Overview London, GB Full-Time Information Technology About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial m ...

Senior Laravel Developer

If Laravel is your tool of choice for building powerful backend systems, we want to meet you! We’re on the lookout for a senior backend developer to join the Trybe team to help us continue to grow the best software in the industry. Who is Trybe? Trybe is a startup that provides modern ...

Senior Python Developer

Software Engineering, Back-end Development Design, build and scale the backend of a product a company is using to disrupt and innovate within the telecommunications market. You’ll come in and drive the team forward with your technical prowess with Python. When it comes to frameworks, you’re agnos ...

Senior iOS Developer

About Incard Incard's mission is to build the financial operating system for entrepreneurs. We are focused on creating a system where business banking, financial tools, and application logic are coordinated into a single control layer. Through the app store, entrepreneurs and develop ...

Sr OIC Developer

London, United Kingdom | Posted on 12/10/2025 Responsibilities Analyze system integrations and design secure, compliant system and software architectures for enterprise data. Create architectural designs and diagrams using established standards and best practice ...

Sr Python Developer

We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities ...

Back End Developer

We’re building LLM-powered workflow tools to support investment research for private market investors, used by leading private equity and consulting firms globally. The company is profitable, bootstrapped, and growing quickly, with a team of 30+ across London, NYC, and Sydney. The Role Th ...

Developer Systematic Trading

We are seeking a Developer to join one of Millennium’s long standing & successful Trading teams, currently comprising of 18. This role will design, develop and support a strategic set of applications for data collection, analytics and trading for this systematic team. Main technologies: KDB+/Q, Git ...

Front End Developer

Join Nordcloud and be part of the European cloud revolution. We supercharge our customers to innovate in hyperscaler cloud, enabling seamless migration, advanced security, and data-driven success. Front End Developer – UK We are looking for a Front End Developer to join our team in the UK ...

Senior Salesforce Developer

Salesforce Developers with Service Cloud experience are hugely in demand, with new career opportunities or contract opportunities presented almost daily. Feels great to be in demand, but it can be draining. To cut through the noise, I’m going to jump straight to the headlines for why this Salesforce De ...

Senior BI Developer

Overview An exciting opportunity to join a reputable global company licensing world-renowned fashion brands, based at their London office. As a Senior Business Intelligence Developer, you will take ownership of the company's BI environment, reporting architecture, and data infrastructure. This is ...

Salesforce Developer (CPQ)

###Salesforce Developer (CPQ) page is loaded## Salesforce Developer (CPQ)locations: London Office, United Kingdomtime type: Full timeposted on: Posted 30+ Days Agojob requisition id: JR Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape ev ...

Salesforce Administrator/Developer

LSE is committed to building a diverse, equitable and truly inclusive university. Academic Registrar’s Division: ARD Systems Salesforce Administrator/Developer Salary: £43,277 to £51,714 per annum inclusive with potential to progress to £55,497 per annum, including Londo ...

Senior KDB+ Developer

Overview We are seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale and close collaboration with business stakeholder - parti ...

Trading Systems Developer

Trading Systems Developer NextWave Consulting is hiring a mid level Trading Systems Developer to support the build and evolution of financial services technology platforms. This role sits close to trading and data systems and focuses on developing applications, APIs, and data workflows us ...

Product Developer Menswear

A leading apparel business is looking to recruit a Product Developer to join their growing team in Central London. Working across two established brands, this role will focus primarily on menswear with some womenswear involvement. The successful candidate will support the product development proces ...

🚀 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

    Buffering Video...

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