96,664+ Java Developer Java Developer Lead Jobs in London, UK — Local Employers Hiring July 2026

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DevOps Engineer: Cloud, CI/CD & Microservices

TP ICAP is seeking a DevOps Engineer to enhance software delivery by driving automation and optimizing deployment pipelines. This role aims to embed DevOps principles across teams, enhancing operational efficiency and reliability. The ideal candidate has a degree in a relevant field, solid experience in cloud pl ...

Senior Platform Engineer & AI Systems Lead

RELX INC is seeking a Principal Engineer to shape the technical direction of platforms for the global research community in Greater London, England. The role involves guiding design for secure and scalable systems, directly contributing to high-impact work, and coaching engineers. Ideal candidates should have ex ...

Senior React Native Engineer — Lead Mobile & Web UX

Java Script Works is seeking a Senior Member to take charge of enhancing customer-facing experiences across our mobile app (React Native) and web platforms (React). This high-impact role requires a strong grasp of modern JavaScript/TypeScript and experience in developing React Native applications. The ...

Fixed Income SRE: Real Time Data & Trading Systems

A leading financial consultancy in London is seeking a Consultant experienced in programming, specifically C++ or Java. The successful candidate will be responsible for developing and maintaining data services for fixed income trading. Key tasks include optimizing databases and creating APIs for researchers and ...

Senior Penetration Tester — Hybrid, High Impact Security

FSP is seeking a skilled Senior Penetration Tester to join their Cyber Security practice in Greater London. The ideal candidate will have at least 2 years of experience in penetration testing or vulnerability research, and be proficient in programming languages like C/C++, C#, Java, and Python. This role involve ...

Associate Director, Quant Equity Derivatives & Analytics

Scotiabank is seeking an Associate Director within the Global Analytics and Financial Engineering team in London. This role involves supporting the London Equity Derivatives trading desk and collaborating closely with teams in Toronto and New York. The successful candidate will develop derivatives valu ...

Applied Scientist, Prime Video Commerce Personalization

Amazon in Greater London is seeking an Applied Scientist for Prime Video Commerce Insights. You will innovate and implement recommendation systems that enhance customer experiences using advanced machine learning techniques. This role involves collaborating with engineers and providing thought leadersh ...

Senior Real Time Streaming Platform Engineer

CrowdStrike Holdings, Inc. is seeking a Senior Software Engineer specializing in real-time streaming systems. The role involves designing and developing scalable streaming services using Java, Go, and technologies like Apache Kafka and Flink, supporting the company’s mission in cybersecurity. You will ...

CRO Frontend Engineer React/TypeScript

Java Script Works is looking for a skilled CRO Frontend Engineer specializing in React and TypeScript. This full-time position is based in London, United Kingdom, with a competitive salary range of £90,000 - £140,000 per annum. The ideal candidate will have extensive experience in frontend development and the ab ...

Senior Software Engineer, Real Time Logistics Platform

A leading logistics platform based in the UK seeks a talented engineer to design and operate scalable systems. Candidates should have strong backend skills in Java and Python, alongside experience in product-driven environments. The position involves tackling complex challenges, writing well-tested code, and men ...

Senior React Frontend Engineer Payments Contract (London)

RevTech is seeking a Frontend (React) leaning full stack engineer for a contract role until the end of 2026, with a daily pay of up to £520 (Inside IR35 via Umbrella). The role will be 3 days per week onsite in London, focusing on integrating REST APIs and working with various Front End tools. Strong experience ...

Application Security Engineer: Cloud & Secure Architecture

Amazon is seeking a Security Engineer for its Application Security team in London. The role involves conducting application security reviews, secure architecture design, and threat modeling. Candidates should possess a Bachelor's degree in Computer Science or equivalent, with knowledge of networking protocols ...

Senior Backend Engineer: AI Secure Integrations

Ten Eleven Ventures is seeking a Backend Engineer to design and maintain scalable integrations between core applications and security platforms. This hands-on role will focus on building backend services in a microservices architecture, ensuring operational efficiency and security best practices. The i ...

Back‑Office Platform Engineer – Modernize & Automate

Capstone Investment Advisors is seeking an engineer to join the Enterprise Engineering team focused on upgrading technology platforms. The ideal candidate will partner with business stakeholders to deliver high-quality solutions, maintaining and modernizing our proprietary back-office platform, BOSS. C ...

Senior Kotlin Backend Engineer Cloud Microservices Lead

RedRock Consulting is looking for an experienced Senior Backend Engineer to join a high-performing engineering team delivering digital services for a major UK Government client. You will focus on developing scalable backend services and enhancing microservices-based applications. The ideal candidate sh ...

FX Algo Quant Analyst — Hybrid & Impactful Modelling

Citigroup Inc. is seeking a Quantitative Analyst to join the FX Algo Quant team in London. This role focuses on FX Swaps and curve construction, involving the development of models to automate pricing and risk management for FX products. The ideal candidate will have strong programming skills in Python ...

Elastic Stack Engineer for AI Driven Data Platform

Java Script Works is seeking an Elastic Stack Engineer to join their team in Greater London. In this role, you will engage with advanced technologies including artificial intelligence and machine learning, collaborating with multiple development teams to drive data projects. The position offers a competitive sal ...

Back Office Platform Engineer Scale & Automate (London)

Capstone Investment Advisors, a $12 billion asset management firm in London, seeks an Enterprise Software Engineer. The role involves modernizing the BOSS platform and building software to enhance workflow efficiency across Operations, Treasury, and Compliance. The ideal candidate will have a Bachelor' ...

Senior Backend Engineer – Fintech Microservices Lead

A fintech SaaS company is seeking a Senior Back-end Engineer to join its high-growth team in London. This role involves leading the design of scalable microservices and developing RESTful APIs using Java 21 and Spring Boot. The ideal candidate will have over 7 years of back-end development experience with a soli ...

FX Algo Quant: Build Pricing & Risk Models

Citi is seeking a Quantitative Analyst to join the FX Algo Quant team, focusing on FX Swaps and curve construction. The role involves creating and improving models for pricing and risk management, requiring strong communication skills and commercial awareness. The ideal candidate will have relevant exp ...

Machine Learning Engineer AI Models & Systems

A leading AI technology company in Greater London is seeking a talented Machine Learning Engineer to develop and implement cutting-edge artificial intelligence products. The role requires designing sophisticated models and refining existing systems. Ideal candidates will have a strong background in programming l ...

Associate Delivery Consultant DevOps, A2C ProServe Shared Delivery (SDT) in London AWS EMEA[...]

Job Description London, United Kingdom This role is for an Associate Delivery Consultant - DevOps, A2C ProServe Shared Delivery (SDT) at AWS EMEA SARL (UK Branch). QUALIFICATIONS Experience in cloud architecture and implementation Bachelor's degree in Computer ...

Senior Backend Engineer Scalable Payments Platform

United States Digital Space LLC is seeking a candidate to join their Contacts team, focusing on scaling backend solutions for a recipient management product. Your role will involve collaborating closely with engineers and designers, ensuring customer experience is at the forefront of development. Ideal ...

Senior Software Engineer: AI Driven Solutions (Hybrid UK)

United States Digital Space LLC is seeking a Senior Engineer to contribute to high-stakes projects in London. You will write production-quality code using languages such as Python, Java, and TypeScript while collaborating closely with teams and clients. With a commitment to continuous learning, you wil ...

Senior Performance Engineer UltraGrid (Remote)

A leading EV charging solutions company in Greater London is seeking an experienced software engineer to join their growing team. The role involves optimizing performance-critical systems and collaborating with diverse teams. Ideal candidates will have a strong background in Java and Scala, along with a solid un ...

Senior Full Stack Engineer, Secured Access Platform

A leading tech firm in Greater London seeks a Senior Software Engineer to join the secured access engineering team. The role involves designing user-facing web security solutions and working with various stakeholders. Candidates should have at least 6 years of backend development experience and be proficient in ...

Senior Infra Engineer — Cloud‑Native Backend & CI/CD

A technology company in London seeks a Senior Software Engineer I for its Infrastructure Services team. The role involves designing and building core systems for backend services while ensuring scalability and reliability. Candidates should have strong programming skills in languages like Java, Go, or Python, an ...

Head of Analytics Engineering: AI Driven Pricing & Risk

The London Stock Exchange Group is seeking a Head of Analytics Engineering responsible for leading the strategy, design, and delivery of analytics products. This role involves ensuring scalability and production-grade quality of analytics capabilities in client workflows. Candidates should have a Maste ...

Senior Software Engineer — Scale Robust, Secure Systems (Hybrid)

A fintech startup in London is searching for a Senior Software Engineer to implement robust systems for their rapidly growing app. The ideal candidate will have extensive experience with high-volume applications and proficiency in various programming languages, including Python and Java. This role includes hybri ...

Head of Analytics Engineering: AI Driven Pricing & Risk

The London Stock Exchange Group is seeking a Head of Analytics Engineering responsible for leading the strategy, design, and delivery of analytics products. This role involves ensuring scalability and production-grade quality of analytics capabilities in client workflows.Candidates should have a Master ...

Applied Scientist, Prime Video Commerce Personalization

Amazon in Greater London is seeking an Applied Scientist for Prime Video Commerce Insights. You will innovate and implement recommendation systems that enhance customer experiences using advanced machine learning techniques.This role involves collaborating with engineers and providing thought leadershi ...

Senior Applied Scientist, Optimization for EU ATS

Amazon EU SARL (UK Branch) is looking for a Senior Applied Scientist specializing in Optimization. The role is based in London and requires a Master's degree as well as expertise in programming languages like Java, C++, and Python, as well as machine learning and neural deep learning methods.The positi ...

Applied Scientist: Ad Matching & Personalization

Amazon Development Centre (London) Limited is seeking an Applied Scientist to optimize ad matching in programmatic advertisements. Responsibilities include designing deep learning models and improving their performance. Candidates should have strong programming skills in Java, C++, or Python along with a rele ...

Senior Applied Scientist — Optimization for EU ATS Tech

Amazon EU SARL (UK Branch) is seeking a Senior Applied Scientist to work on optimization challenges in applied science. The role requires a Master's degree and expertise in machine learning, particularly in neural deep learning methods.The successful candidate will be responsible for developing optimiz ...

Senior Software Engineer Core Platform (Rust/C++, Python)

Durlston Partners LLP is hiring a Senior Software Engineer in London to design and develop core platforms that enable autonomous systems. You will work alongside exceptional engineers and tackle complex technical challenges in a collaborative culture.The ideal candidate has strong skills in C++, Java, ...

Project Manager – Fit Out

East London | Up to £90,000 + £4,500 Car Allowance + Bonus + Private Healthcare + Pension + 25 Days Holiday An exciting opportunity has arisen for an experienced Project Manager – Fit Out to join one of the UK’s leading residential developers on a major mid-to-high-rise RC frame development in East ...

Full Stack Development Consultant

Join as a visionary Full Stack Developer, leading transformative development with integrated solutions across front and back-end, bridging the technology-business gap and shaping the future with innovative user experiences.Join as a Full Stack Developer and lead transformative development, crafting innovative so ...

New Business Director

New Business Director Role Full-time, permanent position. Office based in London with occasional travel for meetings. Requires a strong construction background. The role works with a large Property Developer that has recently expanded to include furniture, fittings & equip ...

C# Developer | C#, .NET, Azure, Microservices | FinTech | Paying up to £800 p/day | Inside IR35[...]

C# Developer | C#, .NET, Azure, Microservices | FinTech | Paying up to £800 p/day | Inside IR35 | 2 days onsite p/week | London | 6 Months Rolling We’re working with a FinTech company in the FX space that’s looking to scale their data infrastructure across multiple business units. This is a gre ...

Senior Technical Manager

Senior Technical Manager Home » Construction » Senior Technical Manager Salary: Competitive SalaryLocation: North LondonRegion: London Senior Technical Manager – Competitive Salary – North London A Senior Technical Manager is urgen ...

Electrical Manager (Luxury Residential Developer) | Central London | Permanent

Electrical Manager (Luxury Residential Developer) | Central London | Permanent Salary: £50,000 - £55,000 + package Location: London A luxury residential developer has a great opportunity for an Electrical Manager to join them on a permanent basis, based out of their Centra ...

Finishing Foreman

A well established residential developer is looking to appoint a Finishing Foreman to join a large residential scheme in Cricklewood, NW London. This is an excellent opportunity for someone early in their site management career who is looking to develop their skills within a supportive environment ...

Senior Salesforce Developer London, UK Fulltime Hybrid London

Senior Salesforce Developer - London, UK - Fulltime - Hybrid - London Reference Code: -en_GBContract Type:PermanentProfessional Communities: Software EngineeringJob Role: Salesforce developer Location: London, UK About the Job you are ...

Junior Angular developer Glasgow, UK Fulltime Hybrid London

Junior Angular developer - Glasgow, UK - Fulltime - Hybrid - London Reference Code: -en_GBContract Type:PermanentProfessional Communities: Software EngineeringJob Role: Junior Angular Developer Location: Glasgow, UK <strong ...

Software Engineer: Core Trading

Software Engineer: Core Trading So, who are we? Hello, we’re IG Group. We are an FTSE250 FinTech company who run mobile, web and desktop platforms that help our clients trade stocks & shares, leveraged products, Futures & Options and Crypto. Over 340,000 people already use our platforms. We’re glo ...

Guidewire Architect

Guidewire Architect - Insurance Technology We're hiring an experienced Guidewire Architect to lead enterprise-scale insurance transformation programmes across Guidewire InsuranceSuite environments. This role is ideal for a technical leader with strong Guidewire architecture, integration, ...

Dynamics 365 Developer — Remote with London Travel (SC)

A leading technology consultancy in the UK is looking for an experienced MS Dynamics Developer to support a government department's CRM transformation program. This remote role requires strong skills in Microsoft Dynamics 365 and Power Platform along with active SC clearance. As part of a collaborative team, you ...

Full Stack Python Developer (API & Web Apps) — Hybrid

Sivara GmbH is looking for a skilled developer in the United Kingdom to join our collaborative engineering team. The role involves building new features, enhancing existing applications, and participating in API development. You will have the opportunity to work across both backend and frontend systems ...

C++ Developer Options Market Making Relocate to Chicago

Maven is a market-leading proprietary trading firm allocating internal capital across discretionary, systematic, and market-making strategies. Our collective expertise spans traders, engineers, and technologists, unified by an unwavering dedication to enhance our efficiency as a premier liquidity provider ...

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