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

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SQL Developer

Our client, a leading financial institution, requires a SQL Developer to join their team in London. This will require 4 days a week on site. The SQL Developer will have Strong experience with Microsoft SQL Server (2016 or later preferred)Advanced knowledge of T-SQL programmingExperience in ...

FPGA Developer

About the Company:This is a quantitative trading and investment firm with a disciplined and systematic quantitative approach to identify factors that consistently generate alpha. These factors are then coupled with our proprietary ultra-low latency trading systems and robust risk management to d ...

Python Developer

Description :What our team doesTheFront OfficeITDeliveryteam looks after the Traders and Analysts. Weprovidea wide range of solutions for both commercialdecisionsupport and more tradition ‘IT’ based activities.Generally, webuild in a Microsoft stack working closely with the ...

GenAI developer

JOB DESCRIPTION The team you'll be working with: We are seeking highly skilled and experienced Gen AI specialist to join our dynamic Gen AI COE inside NTT DATA UK&I. The ideal candidate will have a strong background in designing and implementing AI solutions ideally using AWS technology. ...

FE Developer

Methods Business and Digital Technology LimitedMethods 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 s ...

Python Developer

Salary: up to £200k base + bonusSummaryFantastic opportunity for all-star coders at one of the world’s top algorithmic trading firms. The Systems Development team builds and maintains the infrastructure and software platform used by all Systems teams to manage servers and n ...

Software Developer

Software Developer Contract Market related Hands-On Software Developer (Contract) | Outside IR35London or Dublin | Hybrid (2-3 Days Onsite per Week)Initial 3-6 Month Contract + chance for extensionCompetitive Day Rate | Outside I ...

Quantitative Developer

This is a high-frequency proprietary trading firm founded in 1998, seeking a Quant Developer to join one of its trading teams in London.Joining the EMEA Development team as a Quant Developer you will be in charge of improving the current research framework through the development of existing and new to ...

Kitchen Developer

the ideal candidate:A passion for Asian food and an obsessed foodieExperience working in a professional kitchen, restaurant or development kitchenBe able to work in a small team and individuallyHighly organised and self-motivated individual about us: itsu is t ...

Product Developer

House of CB is a global fashion brand celebrated for its empowering, feminine designs and statement-making silhouettes. With a cult following built through powerful visuals, trend-defining campaigns, and a bold social media presence, we’re continuing to grow our team with people who share our passion for fash ...

C# Developer

Job DescriptionC# Developer – London (Hybrid, 3 Days On-Site)Talan is looking for a talented and driven C# Developer to join a high-performing team in London. This is a hybrid role, with 3 days per week on-site, offering the opportunity to work on cutting-edge financial systems wit ...

Platform Developer

Salary: up to £200k + bonusSummaryThis is a superb opportunity for a well-organised and pragmatic engineer with a passion for concise, efficient code to join the team who design, develop and maintain the infrastructure at this tech-savvy algorithmic trading firm. ...

C++ Developer

Summary:My client, a prop trading firm active across a wide range of asset classes and regions, is looking for highly talented developers with expert-level C++ skills to join their London office.You’ll be part of a passionate team developing C++ code for the core trading engine, solvi ...

Backend Developer

Robert Half Technology are assisting UK's market leading media organisation to recruit a Backend Developer on a 6-12 month contract basisWe are looking for a talented Backend Developer who enjoys solving complex technical problems and is comfortable working across multiple programming languages an ...

Frontend Developer

TransPerfect is an established company with a start-up culture seeking creative entrepreneurial people like you to join our team. We’re hiring a Frontend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. If you’re ready to ...

ETL Developer

Overview ETL Pipeline: Develop and implement an ETL pipeline using Python to process scientific literature from PubMed and other data sources for LLM grounding. Candidates should have experience with MilVUS DB and IQwise’s vectorous toolbox, particularly in building vector databases. Seniorit ...

iOS Developer

The Product Team creates high-quality end-to-end experiences for travelers, partners, and Expedia Group. Our focus on customer-centric innovation enables us to develop products that build loyalty and repeat business. We partner closely with teams across Expedia Group to drive growth and achieve results for ...

Salesforce Developer

Salesforce Marketing Cloud Developer | Global Technology | London | Hybrid | £65,000-£80,000 Are you an experienced Salesforce Marketing Cloud Developer looking to take ownership of a growing a multi‑cloud CRM ecosystem? Do you want to join a global technology brand ...

Product Developer

About Us SharkNinjais a global product design and technology company, with a diversified portfolio of 5-star rated lifestyle solutions that positivelyimpactpeople’s lives in homes around the world. Powered by two trusted, global brands, Shark and Ninja , the company has a proventrack recor ...

Salesforce Developer

Role Description We are seeking a highly skilled and experienced SC Cleared Salesforce Developer to join our team. The successful candidate will be primarily responsible for the development, configuration, and customization of Salesforce Service Cloud solutions. This role demands a strong ...

Dynamics Developer

This range is provided by 83zero. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Job Title : Microsoft Dynamics 365 & Power Platform Developer Salary : £60,000 - £100,000 (depending o ...

.NET Developer

Noir Greater London, England, United Kingdom .NET Developer - Leading E-Book Firm – London Our client is a leading e-book firm who are on a mission to build the best reading experience, one that is both communal and personal, anytime, anywhere. Having recently opened their uber-chic offices in ...

Copilot Developer

Introduction:Unlock the potential of Microsoft 365 Copilot as a visionary engineer, transforming challenges into cutting-edge solutions. Embrace continuous learning and collaborate with global teams to shape the future of technology-driven excellence. Join us at Avanade, where creativity, innovation, and career ...

Copilot Developer

Job DescriptionIntroduction:Unlock the potential of Microsoft 365 Copilot as a visionary engineer, transforming challenges into cutting-edge solutions. Embrace continuous learning and collaborate with global teams to shape the future of technology-driven excellence. Join us at Avanade, where creativity, innovati ...

Mainframe Developer

2 days ago, be among the first 25 applicants. Get AI-powered advice on this job and access more exclusive features. I have a job opening for Mainframe Developer at London, UK - Hybrid. If you are interested, please share your updated resume. Job Title: Mainframe ...

Python Developer

AWTG, a leader in 5G systems integration and application development, is looking for a Python Developer to join its division based in London. AWTG’s technology solution covers Digital Transformation, Rapid Prototyping, Artificial Intelligence, Internet of Things, and Software. We are seeking a Python Devel ...

Frontend Developer

Direct message the job poster from Cititec Talent Senior Delivery Consultant at Cititec Talent - Fintech and Commodities Frontend Developer – Contract – London (Hybrid) We’re working with a leading energy trading organisation to hire a talented Frontend Developer to jo ...

MDM Developer

Job Title: UK MDM Developer Job Location: London, UK Job type: Hybrid - 4 days office Mandatory Role Overview We are seeking an experienced MDM Developer to de ...

Quantitative Developer

Why work for us? A career at Janus Henderson is more than a job, it’s about investing in a brighter future together. Our Mission at Janus Henderson is to help clients define and achieve superior financial outcomes through differentiated insights, disciplined investments, and worl ...

Salesforce Developer

Hybrid Working Pattern - 3 days per week from Tower Bridge office Zoopla is one of the UK’s most instantly recognisable property brands. In fact, we’re known and loved by over 91% of the nation (and we’re working hard on the other 9%). Our mission is to help the nation make better home decisions - ...

Software Developer

Salary: up to 200k + bonusSummaryThis is a superb opportunity for a proactive and pragmatic coder to join an award-winning, tech-savvy algorithmic trading firm in London. Specialists within electronic market-making in FX, equity, fixed income and commodity markets, they hav ...

Quantitative Developer

Founded in 2013, GSR is a leading market‑making and programmatic trading company in the fast‑evolving world of cryptocurrency trading. With more than 200 employees in 5 countries, we provide billions of dollars of liquidity to cryptocurrency protocols and exchanges daily. We build long‑term relationships w ...

Automation Developer

Build smart automation that drives real business efficiency We’re hiring an Automation Developer to design and deliver intelligent workflows and automation solutions across enterprise systems. This is a hands‑on role focused on improving processes, reducing manual effo ...

Python Developer

Job Title: Python Developer (Immediate joiners) Location: UK Experience: 2–5 years Education: Master's in Science (IT/Computer Science/Engineer) Employment Type: Full-Time UK based candidates only. Infor ...

Mobile Developer

Senior Mobile Engineer / React Native / TypeScript/ iOS Location: London (Hybrid)Type: Full-timeSalary: £75k-£90kIndustry: Computer Vision StartupTech: React Native, TypeScript, Swift, REST APIs About the Role We're a fast-growing computer vision startup buil ...

Javascript Developer

We’re partnering with a well-established publishing organisation undergoing a major digital and AI-led transformation . With a strong global presence, they’re investing heavily in modern engineering and intelligent systems to reshape how content is created, discovered and delivered. T ...

Python Developer

Partner: Digisourced (DCG IT Ltd) – acting as an employment agency in relation to this vacancy. Locations: Nottingham or London (Hybrid) Rate: £300 per day (Subject to experience) Engagement: Umbrella only (via FCSA/Professional Passport accredited providers) <h ...

Flutter Developer

A well-known large multinational corporation is hiring for Flutter Developer on contract. Responsibilities include: Accommodate and support rapidly changing business demands create and maintain applications, coordinate with developers for real applications including deploying apps on the ...

Salesforce Developer

Position Overview We are looking for a talented and experienced Salesforce Developer to design, develop, and implement customized Salesforce solutions that align with our organizational goals. This role requires a deep understanding of Salesforce architecture, best practices, and expertise ...

Senior Developer

Senior Developer page is loaded **Senior Developer**locationsUnited Kingdom - London time typeFull time posted onPosted Today job requisition idR56208 **Job Summary:**The Senior Developer reports directly to the Development Manager and is a key member of the company’s development team. The purpose of ...

SQL Developer

Currently seeking a SQL Developer for a global consultancy who are engaged on a large, complex Digital Transformation programme for a major Telecoms customer. The suitable candidate will partner with a range of internal and external stakeholders to resolve technical issues, update on progress and a ...

Python Developer

Backend Developer | London (3 days in the office) | Perm | Up to £65,000 p.a Peaple Talent have partnered with an outstanding client in London looking to recruit 2 Backend Developers to work within in‑house business systems development team. You will be focused on driving continual improv ...

C++ Developer

This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Core Strat, with strong C++ ...

Frontend Developer

Who we are and what we do: Element Human (Crowd Emotion Ltd) has been around for six years, learning about emotions and working through several iterations of our new HX Workbench. We currently primarily work with brands, agencies and publishers, but we support anyone who wants to understand how p ...

.NET Developer

Noir Greater London, England, United Kingdom 1 day ago Be among the first 25 applicants Connecting Microsoft professionals, Developers, DevOps Engineers, Architects and Development Managers with amazing career opportunities within tech… Be the first of your friends to declare, “I love w ...

Software Developer

Overview Crises Control is a global critical event management and mass notification SaaS platform that enables organizations to send secure, compliant, multi-channel alerts to large groups in real time, track responses, geo-locate users, audit everything accurately, and streamline incident and cr ...

Backend Developer

Ready join our 130,000 colleagues and support our mission to make people and places the bestthey can be? Be the difference today, connect with our careers team to learn more. Join The Team We always have vacancies for enthusiastic, talented and loyal people to fill roles within our team. Jo ...

KDB Developer

Job Description Our client is an established buy-side Market Maker & Liquidity provider. Strong business performance means that they are actively expanding their headcount. As a consequence the opportunity has arisen for an experienced KDB Developer to work alongside their Quants and Traders. This is an exciting ...

iOS Developer

Location London (Hybrid 2–3 days a week onsite) Job Type Contract – Inside Rate £300 per day (max) Role Overview The client expects strong SwiftUI expertise. Candidates are required to debug SwiftUI code during screen‑share interviews and writ ...

Salesforce Developer

Qualifications Should have worked on Salesforce implementation/support projects in the past. Experience working on Sales/Service/Experience Cloud or on FORCE.COM. Develop technical solutions in Salesforce independently, extensive experience with customization on the Sale ...

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