138,259+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Senior Backend Developer

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry sol ...

Senior Adobe Developer

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company –powered by exceptional talent and our agen ...

Senior Frontend Developer

I am currently working with a London-based financial services client who are actively seeking multiple Frontend Developers for a brand-new business-critical project.What you'll need to succeed Extensive React/Typescript development experience, ideally within a highly agile environment ...

Senior PHP Developer

We’re currently supporting a FTSE250 Wealth Management business who are continuing to invest heavily into their wider Technology, AI & Automation capability and are now looking to hire an Senior Developer (Integrations) into a newly evolving engineering environment. This role sits within a small, hands ...

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. Currently, we are looking for a Front End Developer to join our team in the UK. Your ...

eTrading Python Developer

Job Description Location: London (Hybrid – 3 days in office)Type: Full-time Are you ready to step into a high-performance environment at the heart of global markets? We're looking for a motivated and technically skilled eTrading Production Support Engineer to join our ...

Senior Backend Developer

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be ext ...

SQL Developer Contract

SQL Developer – Contract A Lloyds insurer is seeking a skilled SQL Developer to join their growing team. The successful candidate will be responsible for designing, developing, optimising, and maintaining SQL databases and data solutions that support business‑critical applications and reporting re ...

Senior Python Developer

Requirements The role requires strong hands‑on expertise in Python along with a broad and deep understanding of modern coding practices, multiple programming languages, and software delivery standards spanning across a number of new and existing project streams; working alongside a wider glob ...

Unreal Engine Developer

Orka is seeking a developer responsible for building games for various target platforms based on the Unreal Engine. Your primary responsibilities will be to implement game functionality translating design ideas, concepts, and requirements into a functional and engaging game. A commitment to collaborative prob ...

Graduate Software Developer

Overview We have an excellent client offering an exciting opportunity for a Graduate Software Developer to join a high-performing team building cutting-edge trading and research systems. This role is ideal for a recent graduate eager to work on real-world, high-impact applications while developing ...

React.js Software Developer

In the world of AI, behavioural predictions are leading the charge to better machine learning. There is so much happening in the AI space. Advances in the economic sectors have seen automated business practices rapidly increasing economic value. While the realm of the human sciences has used the power ...

Business Intelligence Developer

Join to apply for the Business Intelligence Developer role at J.P. Morgan Direct message the job poster from J.P. Morgan Lead Recruiter - Outsourcing - EMEA Global Sourcing Business Intelligence Developer - Chase UK - London - Onsite We are seeking ...

.Net Developer (GCP)

Requirements ASP.NET and .NET with C#Razor pages REST API's GDS Design System (CSS and JavaScript) SQL / Databasemysql on GCP Cloud SQL BigQuery on GCP MongoDB Atlas on GCP PowerBI for reporting </li ...

Developer Platform Engineer

About Us Equals Money is a leading payments and financial operations platform helping businesses simplify, control, and optimise their money movement. With more than a million customers served over 18 years, our award‑winning portfolio spans travel money, international transfers, card issuing, FX ...

AI Developer Advocate

About Mistral AI At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source, and cutting-edge models, ...

Senior Frontend Developer

Overview Senior React Native Engineer with Leadership experience - 6 month contract - Remote/UK based - Start ASAP. My client is urgently looking for a Senior React Native/React Engineer with Management experience, to help build mobile, connected TV, and web applications for an enterprise company. ...

Business Intelligence Developer

Mars Petcare consists of four Divisions: Pet Nutrition, Royal Canin, Mars Veterinary Health and Science & Diagnostics. With this breadth and scale, the opportunity to create benefits for Pets and our business through data and analytics is huge and we need to seize this opportunity now. Data and Ana ...

Senior Frontend Developer

Working on a Dashboard that provides the public, Ministers, senior officials, policy colleagues, and local operational decision makers in the public sector with trusted data and insight about the performance within their system. Role: Senior Frontend Developer Length ...

Senior BI Developer

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 a strategic role ...

Contract BI Developer

Contract BI Developer / 6 month duration / Outside IR35 / £575 per day / London Market Insurance / We’re working closely with a London Market Insurance Syndicate to hire an experienced Contract Data Engineer to support the ongoing development and enhancement of its core data environment. Th ...

Business Intelligence Developer

Overview Head of Data - Building Tech Teams Globally - AI and Data Enthusiast — London (Hybrid / Flexible Working). About the Company We are partnered with a rapidly growing UK-based start-up specialising in the supply of high-quality raw materials for two critical in ...

Go Developer (Integration)

Job Details Job Title: Go Integration DeveloperLocation: Remote (but able to get to Cheltenham or London)Salary: £55,000Start Date: Months Notice (latest)Interview Process: 2 Stage Organisation Overview Our Client is a lea ...

Back End Developer

Overview Product-Focused Backend Engineer – Functional Programming & Distributed Systems At Ncounter, we’re partnering with a cutting-edge AI company on a mission to redefine how professionals in highly regulated industries interact with complex, multi-modal data. Their platform empowers us ...

Staff Data Platform Engineer

About the role Checkout.com is looking for an ambitious Staff Data Engineer to join our Data and AI Platform Team. Our team’s mission is to build a platform where you can create reliable, scalable, AI-powered streaming and batch data applications, and share data across Checkout.com to improve busi ...

Senior Software Engineer — Real Time Ad Serving

As a Senior Software Engineer on the LiveIntent Real-Time Ad Serving team, you will design, develop, and own the business logic that powers programmatic advertising at scale — ad selection, targeting, frequency capping, budget pacing, and delivery optimization.The real-time platform is built on C++ ...

AI Platform Engineer

About Us ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. ...

Scala Developer (Remote)

Scala Developer - UK/Remote My client are seeking a talented Scala Developer to join their engineering team and contribute to the design and development of scalable, high‑performance applications . This role involves working on modern distributed systems, building APIs ...

Freelance Community Manager tech/coding knowl...

Who are Coolr?We’re an independent social media agency and team of creatives, social experts, content publishers and change makers.Completely wired into popular culture, our work connects brands with their audiences at scale. With clients such as Burger King, Lidl, Deliveroo and Compare t ...

Assistant Trading Manager

Role overview:Assistant Trading ManagerLondonCurrys London Campus at WaterlooPermanentFull T ...

Assistant Trading Manager

Role overview:Assistant Trading ManagerLondonCurrys London Campus at WaterlooPermanentFull T ...

Digital Developer Senior

Digital Developer SeniorLocation: London (HQ), Manchester, Birmingham, Cardiff, DarlingtonContract Duration: 12 months +IR35 Status: In ScopePay Rate: £750 per daySecurity Clearance: SC requiredOvervie ...

Front Office Developer

Role: Front Office DeveloperCompensation: Up To £170,000 P/A + CompsLocation: LondonThe roleA high-performing investment-focused firm is seeking an experienced developer to join a small, collaborative technology team supporting business-critical pla ...

Senior Quantitative Developer

Compensation: Competitive (Financial Services)About TradingHubFounded in 2010, TradingHub delivers uniquely intelligent trade surveillance software to world leading financial institutions. Developed by market professionals, our solutions use sophisticated modelling techniques to ...

Test Engineer Investment Banking

Get AI-powered advice on this job and access more exclusive features. The role will be part of our Quality Engineering & Assurance (QE&A) Practice . With over 650 clients across various industry verticals and a global presence, Cognizant QE&A is a recognized leader in quality engineeri ...

Senior Applied Scientist, Insights, Prime Video

Come build the future of entertainment with us. Are you interested in shaping the future of movies and television? Do you want to define the next generation of how and what Amazon customers are watching?Prime Video is a premium streaming service that offers customers a vast collection of TV shows and m ...

Growth & Conversion Digital Experience Lead

A tech-driven HR solution company is looking for a Senior Digital Experience Manager to enhance website performance and conversion. This role, based in London, requires a strong background in digital experience and conversion optimization, with hands-on experience in analytics tools. You'll collaborate with mult ...

Full Stack AI Engineer — Remote (London)

A leading AI technology company in Greater London is seeking an experienced AI Engineer to build and scale AI-powered applications. In this role, you'll design and develop both front-end and back-end systems to enhance the interaction between enterprises and AI agents. You'll need 2–5 years of experience with mo ...

End to End Software Engineer Own, Build & Ship

Menlo Ventures is seeking a passionate Software Engineer to join their London team. In this role, you will build, review, and ship innovative products for legal professionals globally. Your responsibilities include implementing features for our web platform and mentoring junior developers, all while focusing ...

Staff Software Engineer: Architect at Scale & Impact

A Climate Tech company in London is looking for an experienced Staff Software Engineer to drive technical direction and product strategies. You will partner closely with the Head of Engineering, owning projects from conception to delivery. Ideal candidates have over 8 years of experience with modern web applicat ...

Generative AI Creative Technologist

A leading technology company is seeking a Creative Technologist to join their Marcom Special Projects Group. In this role, you will develop innovative interactive experiences using generative AI and collaborate with various teams to prototype advanced technologies. Successful candidates will have a strong portfo ...

Mainframe Pre Sales Lead

Overview The Mainframe Modernisation Pre-Sales Solution Architect provides technical pre-sales support for a leading global technology services provider’s mainframe application modernisation and refactoring solutions, helping enterprises modernise and migrate mainframe workloads to cloud-based pl ...

Software Engineer

Diamond Search Recruitment are delighted to be representing our client, a leader within their field, providing trusted identity and security solutions enabling businesses, large enterprises, cloud service providers and IoT innovators around the world to secure online communications, manage millions of veri ...

Senior/Lead DevOps Engineer

We're looking for a Senior DevOps Engineer skilled in AI and Copilot to join our team in London, United Kingdom in a hybrid working mode (3 days onsite).In this role, you will build and maintain a cloud-based index platform, manage secure and cost-effective AWS environments, and drive observability and resilienc ...

Digital Project Manager

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Stopgap - Marketing, Digital & Creative Recruitment JOB TYPE: 6-9 month contract INDUSTRY SECTOR: Residential property LOCATION: North West London. 3 days in the office, 2 ...

Senior C# Developer

Senior C# DeveloperHybrid Working - London - 2 days a week on site.Financial ServicesLorien's leading banking client is looking for a Senior C# Developer to join them, working on a critical, high volume, transactional system. Contribute to the re-architecture and modernisation of the plat ...

Oracle Database Developer

Oracle Database DeveloperHybrid Working - London - 2 days a week on site.Financial ServicesLorien's leading banking client is looking for a Oracle Database Developer to join them, this role is to integrate the local Settlement activity into the Global Settlement platform, covering the ent ...

Senior Backend Developer

Join a dynamic energy provider dedicated to sustainable solutions in the UK.We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended ...

Power Platform Developer

We are currently seeking an experienced Power Platform Developer to join our client's team on a contract basis in London. This is an opportunity to support a large-scale programme within the education sector, contributing to the design and delivery of scalable solutions across the Microsoft ecosystem. If you enj ...

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-wor ...

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