95,315+ Java Developer Java Developer Lead Jobs in London, UK — Local Employers Hiring July 2026

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Quantitative Developer – HFT (C++)

Summary:Our client is a leading tech-driven quant and systematic hedge fund trading with offices across the globe. They leverage deep knowledge in data, research, technology and trading to deliver high-quality returns. This opportunity offers a dynamic and fast-paced environment with excellent p ...

Quant Developer / Data Scientist

Quant Developer / Data ScientistLocation: Flexible (Major Financial Hubs)Experience: 2–5 YearsCompensation: Competitive + Performance‑Based BonusA leading asset management firm is seeking a highly talented Quant Developer / Data Scie ...

PySpark / SQL Developer Python

Pyspark/SQL Developer – Automation/SQL/PySpark – sought by leading investment bank based in London – Hybrid – Contract *inside IR35 – umbrella* Key Responsibilities: Develop, maintain, and optimize PySpark data processing pipelines. Automate data ...

Assistant Product Developer, Menswear

What’s the role about?As our Assistant Product Developer, you’ll support the Product Development team in driving innovative and commercially successful product across the Reiss collection. Working closely with Design, Buying, Technical and Merchandising teams, you’ll help manage sourcing, suppli ...

Senior ETRM Application Developer

Responsibilities: Design, develop, and support applications and services across the end-to-end commodities trade lifecycle.Build and enhance integrations between ETRM platforms and systems utilizing Java & Oracle.Develop and maintain robust data p ...

Full Stack Developer .Net

Full Stack Developer – Active SC, C#, React, SQLUp to £410pd (Inside IR35)Primarily Remote5 months initially My client is an instantly recognisable consultancy who are seeking a Full-Stack .NET Developer to join a small, collaborative team delivering secure, on-prem enterprise applications.Key Requirements:P ...

Python Developer Tools Engineer

Salary: £200k base + bonusSummary:Exciting opportunity to work at a tech-centric prop trading fund which trades a wide range of financial products, with offices across the globe. Work is organized into small, project-oriented teams, each with the independence and responsibi ...

UX Designer Developer experience

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the worl ...

Senior Android Developer (Drive)

Join Proton and build a better internet where privacy is the defaultProton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, P ...

Low Latency C++ Developer

Salary: £200-450k TCSystematic hedge fund with a focus on developing high quality financial strategies across a variety of asset classes and markets, utilising a proprietary research platform focused on exploring market inefficiencies.Exciting opportunity for an experienced C++ De ...

Python Developer RAD – Commodities

Salary: up to £150k + £60k bonus (3-8 years of experience)ClientOne of the world’s most prestigious hedge funds is looking for a Python developer to join their growing Commodities Rapid Application Development (RAD) team.This is a specialist team of engineers, qu ...

EP Application Developer 131

Location: London Job Type: Contract Industry: Cloud & Platform Job reference: BBBH442095_1782229285 Posted: about 7 hours ago Application Tester (Quality Engineer - Hybrid Cloud)London (Preferred), Leicester or Manchester - Hybrid12-month Assignment 5 Years UK Resi ...

Salesforce Marketing Cloud Developer

JOB DESCRIPTION The team you'll be working with: As part of our continuous growth, we are seeking a Marketing Cloud Developer to join our Salesforce Practice in London. You will be a hands-on practitioner with deep expertise in Salesforce Marketing Cloud, responsible for designing, buildi ...

Senior Full Stack Developer

Senior Full Stack DeveloperAs a Senior Full Stack Developer, you will lead the team in developing and maintain the full platform including infrastructure, front end web development, and API software.Salary: £52,000 - 72,000 depending on experienceLocation: London<b ...

Senior Developer, Development Services

Putting people first, every day BDO is a firm built on a foundation of positive relationships with our people and our clients. Each day, our professionals provide exceptional service, helping clients with advice and insight they can trust. In turn, we offer an award-winning environment that ...

Senior Full Stack Developer

About the RoleWe’re looking for a Senior Full Stack Developer to join a technology function that’s in the middle of an exciting modernisation journey. This is a hands on, senior individual contributor role where you’ll help modernise business critical systems, improve engineering standards, and deliv ...

FO e Trading Developer

Company DescriptionLocation: London (Hybrid – 3 days per week in the office)Sector: Financial Services – Investment BankingArea: Front Office / E-Trading / FXTeam: London Trading Desk with Global InteractionRole Overview ...

C++ Developer – Amsterdam / London

Salary: £150-500kWorld-leading prop fund is looking for C++ developers to join their rapidly expanding team in London and Amsterdam. This data and technology-driven firm specialise in developing automated trading systems that execute across global financial markets.The successful ...

Tagetik and ETL Developer

Job DescriptionAnticipated Contract End Date/Length: December 19, 2026Work Set Up: Hybrid (2–3 days onsite per week)Clearance Required: BPSS Eligibility RequiredOur client in the Information Technology and Services industry is ...

Power Market Analytics Developer

What will you be doing?Your work will combine software development, market analysis and product thinking.Developing EnactYou will play an active role in shaping the future direction of Enact, our short-term power markets analytics and visualisation platform. T ...

Full Stack.Net Software Developer

Job Description Full Stack Dot Net Software DeveloperOur Client is an established leader in the travel industry.They are looking to recruit a full stack Dot Net Software Developer to work on a major transformation programme for this award-winning Luxury Travel ...

Salesforce Developer Outside IR35

Location: London Job Type: Contract Industry: Enterprise Applications Job reference: BBBH441105_1781032995 Posted: about 8 hours ago Outside IR35, Uk Wide Flexiablity, Salesforce Developer, Marketing Cloud, Sales Cloud, Immediate startMy leading client in the regulatory area is looking for a Salesforce ...

IBM Websphere Datapower Developer

Job Description IBM Websphere Datapower Developer – Bromley LondonOur Client is seeking to recruit an IBM Websphere Datapower Developer with at least 3 to 5 years experience in Datapower.Strong understanding of SOA ESB concepts and Should understand end to end SOA ar ...

Solution Developer, Merchandise Planning

At Board, we power financial and operational planning solutions for the world’s best brands.Thousands of enterprises use our technology to optimize resources, drive growth, and ensure profitability.With advanced analytics and forecasting, plus AI-driven insights, cus ...

Software Developer Clearing Technology

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 fo ...

Raw Materials Developer RTW

Raw Materials Developer RTWKensington Office, LondonReady-to-Wear /Permanent Full-Time /HybridBorn in 1971, the roots of Mulberry are in Somerset, England. For more than fifty years, Mulberry has been a British lifestyle brand, internationally acclaimed for quality and design capturing the M ...

Senior Full Stack Developer

What you'll be working onAs part of a small, high‑impact software engineering team, you’ll:Design, develop, test, and support end‑to‑end solutions across Java (11+) back‑end and React (18+), TypeScript, JavaScript, HTML & CSS front‑end layersShape use ...

Developer (AI & Automation)

                                                   Join Our Talent Community  We are scaling our AI and automation capability at Bank ...

Middle .Net Developer (Betting)

WE ARE Opinov8 is a technology service provider, with an Opinion in Innovation , we engage with our clients at any stage in their product engineering and innovation goals, with solutions being mainly collaborative and outcome-driven. We are driven by delivering value , for our clients, th ...

Senior AI Agent Developer

Senior AI Agent Developer Pearson Carter are currently working with a growing start up who have had lots of financial investment and are looking to invest heavily internally in Claude AI Agents  Get in touch if you are looking for your next op ...

Associate Director Commercial Developer

Job DescriptionWe are looking for Associate Directors to join our dynamic, innovative and client-focused team. You will work on some of the most exciting projects in the world, involving large hotel conversions, superb residential projects, and high profile mixed use projects. You will work with lea ...

Python Quant Developer | Crypto

Our client is a leading tech-driven quant and systematic hedge fund trading with offices across the globe. They leverage deep knowledge in data, research, technology and trading to deliver high-quality returns. This opportunity offers a dynamic and fast-paced environment with excellent scope for career growth ...

Associate Director Commercial Developer

Company DescriptionAt Turner & Townsend we are passionate about making a difference. That means delivering better outcomes for our clients, helping our people to realise their potential, and doing our part to create a prosperous society.For over 75 years we have been helping ...

IOS Developer: 26 01613

Primary Skills: Swift (advanced), UIKit (advanced), Combine (intermediate), XCTest (advanced), CI/CD (intermediate) Contract Type: Contract Duration: 6+ Months Location: London Job Summary: This role involves developing and r ...

Senior React Native Developer

Work mode: Hybrid Number of days a week worked in the office: 2 to 3 days. If the end client requires face-to-face meetings, the contractor should be available. Contract duration: 6 months. Location: London (Client or End client’s office). End client address: Charterhouse St, London. C ...

Front Office RAD Developer

As a Senior RAD (Rapid Action Development) Developer in our Rates development team , you will to work in close partnership with quant researchers, traders, and technology teams. The role sits at the intersection of front-office trading and technology, with direct ownership of the tools traders rely on dail ...

Frontend Developer at NexusAM

Job Title: Frontend Developer Company Description: NexusAM - Imperial College deep tech startup Job Description: You will build sophisticated interfaces to visualize real-time 3D printing data and sensor streams, enabling engineers to certify mission-critical com ...

Principal Front End Developer

Who Are Yapily Yapily is an open banking infrastructure platform solving a fundamental problem in financial services today: access. Historically, card networks have monopolised the global movement of money, and banks have monopolised the ownership of, and access to, financial data. Why w ...

Games Designer/Game Developer

Founded in 1999, the company has a premium listing on the Main Market of the London Stock Exchange and is focused on regulated and regulating markets across its B2B business. By leveraging its proprietary technology, Playtech delivers innovative products and services to ensure a safe, engaging and entertai ...

Software Developer Clearing Technology

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 four core services: c ...

Kotlin Developer Financial Services

Senior Kotlin Engineer – London I am looking for a Senior Kotlin Engineer to join a high-performing front-office engineering team in London, working on a cloud-hosted platform used within Investment Banking Capital Markets. This is a hands-on backend engineering role focused on building a ...

Senior Rad developer C#

Nous recherchons un Développeur RAD Senior expérimenté pour rejoindre une équipe technologique Front Office dynamique. Pour l’un de nos clients, une grande banque d’investissement internationale, nous recherchons un Développeur RAD Senior expérimenté pour rejoindre une équipe technologique Front Off ...

Developer Contributions Principal Planner

Developer Contributions Principal Planner East London / Hybrid £37.84 per hour (Umbrella) A leading East London Local Authority is seeking an experienced Developer Contributions Principal Planner to join their Planning Service on an interim basis. This key role will focus on the m ...

Senior Financial Systems Developer

TM1 / IBM Planning Analytics Developer (Senior) – 12 Month FTC Location: Hybrid Client: Financial Services Salary: up to £80,000 This role is a 12-month fixed-term contract. The Role This role sits within a high impact finance systems team and will focus on ...

Senior Full Stack Developer

Who We AreKonrad is a next generation digital consultancy. We are dedicated to solving complex business problems for our global clients with creative and forward-thinking solutions. Our employees enjoy a culture built on innovation and a commitment to creating best-in-class digital produc ...

Azure Cosmos DB Developer

Overview Salary: £40,000 - 46,000 per year Requirements Hands-on experience with Azure Cosmos DB, including query optimisation and throughput management. Thorough understanding of Cosmos DB Change Data Feed (CDF) and integration and debugging of Spark wit ...

Kotlin Developer (SC Cleared)

Kotlin Developer (SC Cleared) Outside IR35 We are seeking experienced Kotlin Developers to join a high-profile national digital programme, building secure, scalable, and user-focused Android applications that support a major government digital transformation initiative. ...

Azure .NET Backend Developer

Tata Consultancy Services is looking for a .NET Backend Developer in Greater London to design, build, and maintain secure backend services and cloud-native applications using .NET Core and Azure PaaS. The role includes collaborating with teams, developing high-performance APIs, and enhancing services t ...

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