61,077+ Java Developer Java Developer Lead Jobs in London, UK — Local Employers Hiring July 2026

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Front End Developer (6 Month Contract) Immediate Start in London The ECA International Group

Desirable Experience (Nice to have): Familiarity with accessibility and SEO best practices. Experience with technologies such as Node.js, PostgreSQL, Express, GraphQL, AWS, GitHub, Terraform. Exposure to mobile application development and multi-tenanted… <h3 ...

Lead AI/ML Data Engineer

Overview Lead AI/ML Data Engineer role at Mastercard . You will be at the forefront of designing, developing, and deploying cutting-edge machine learning features that drive core business value for Mastercard. You will leverage your deep technical expertise to build sophisticated d ...

Lead DevOps Engineer – Cloud Native, Linux, Python, AWS

Be an integral part of an agile team that continuously pushes the envelope to enhance, build, and deliver top‑notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within the Global Electronic Trading Group, you are integral to an agile team that builds trusted, market‑lea ...

Principal Software Engineer Search Scaling Elasticsearch

Principal Software Engineer – Search Scaling Join Elastic’s Elasticsearch - Search Scaling team as a globally distributed Principal Software Engineer. This role focuses on delivering a robust, feature‑rich search experience and improving the search infrastructure in Lucene. Responsibilitie ...

Lead Software Engineer Public Cloud Engineering

As a Lead Software Engineer at JPMorganChase within Public Cloud Engineering – Infrastructure Platforms, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. As a core technical contributor, ...

Full Stack Engineer (Kotlin and/or Python) – VP

For additional information, please review .**Full Stack Engineer (Kotlin and/or Python) – VP**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating ...

Technical Product Manager, Private Cloud Domain

About Agoda At Agoda, we bridge the world through travel. Our story began in 2005, when two lifelong friends and entrepreneurs, driven by their passion for travel, launched Agoda to make it easier for everyone to explore the world. Get to Know our Team Agoda’s Technical Product ...

Test Lead Avaloq

Overview Position: Test Lead - AvaloqEmployment Type: ContractStart: ASAP (June/July 2026)Duration: 6 MonthsLocation: London, UK (Hybrid - 2/3 days per week in office)Language(s): English Focus on SAP is a sp ...

Senior Product Manager Data & Platform Products 12 Month FTC (we have office locations in Cambridge, Leeds and London)

Company DescriptionGenomics England is a global leader in enabling genomic medicine and research, focused on creating a world where everyone benefits from genomic healthcare. Building on the 100,000 Genomes Project, we support the NHS’s world-first national whole genome sequencing service and run the gro ...

Growth Focused IT Business Analyst

There are always opportunities for talented people to join our epic team At Vortex, we foster a dynamic and collaborative work environment where creativity thrives and innovation is encouraged. Our team is comprised of passionate individuals dedicated to pushing the boundaries of technology and deli ...

IT Business Analyst

There are always opportunities for talented people to join our epic team At Vortex, we foster a dynamic and collaborative work environment where creativity thrives and innovation is encouraged. Our team is comprised of passionate individuals dedicated to pushing the boundaries of technology and deli ...

Senior Android Engineer

Senior Android Engineer London, UK Full-time Company Description We’re ASOS, the online retailer for fashion lovers all around the world. We exist to give our customers the confidence to be whoever they want to be, and that goes for our people too ...

MEU & UK Asset Manager, Global Realty Portfolio Optimization, Global Realty

Amazon operates a world-class network of technologically advanced fulfillment and logistics properties across the globe. The continued growth of our fulfillment businesses requires active management of these assets to drive operational efficiencies, maintain robust standards, and ensure the facilities can fully ...

MEU & UK Asset Manager, Global Realty Portfolio Optimization, Global Realty

Amazon operates a world-class network of technologically advanced fulfillment and logistics properties across the globe. The continued growth of our fulfillment businesses requires active management of these assets to drive operational efficiencies, maintain robust standards, and ensure the facilities can fully ...

Director, Revenue Enablement

What you will doOwn the revenue enablement strategy: Define and execute a multi-year enablement roadmap aligned to Sonar's GTM priorities, with quarterly outcomes tied to ramp time, win rate, and quota attainment.Lead a global enablement team: Manag ...

Full Stack Engineer

Contract Full Stack / Backend Engineer III - Trust & Safety PlatformsDuration: 6-Month Contract (with potential for extension)Location: 100% Remote (UK-based)Inside/Outside IR35: Insert IR35 The OpportunityWe are looking for a Senior Full Stack / Backend Engineer (Level III) to join t ...

Tester

Infrastructure Tester+3 months ++Hybrid working 2 days on site in London+Inside IR35+£275 - £300 a day We are seeking an experienced Tester to join a fast-paced technology team on an initial 3-month contract.This is a broad, hands-on testing role that extends well ...

Senior Fullstack Software Engineer, Signals Team

Join us at Entrust At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely.Get to K ...

Senior Fullstack Software Engineer, Signals Team

**Join us at Entrust ** At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. <b ...

Senior Fullstack Software Engineer, Signals Team

Join us at Entrust At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely.Get to K ...

DevOp Engineer

ROLE TITLE: DevOp EngineerLOCATION: London hybridCLEARANCE: The ideal candidate will have active SC Clearance or be eligible to undergo SC Clearance.We are actively looking to secure a Duty Technician to join Experis.Experis Consultancy is a Global entity with a well-established t ...

Cloud Platform Engineer

Overview Office dogs, fridge full of beer, AI, free fruit, office scooters (wtf!?), beanbags, slides, Blockchain, fuseball, ankle length trousers with white socks, spectacles with no lenses, braces and beards. By trying to be different to other 'disruptive' companies in Manchester, you actually e ...

Cloud DevOps Engineer

When we begin discussing the DevOps engineer job description, we may begin by saying that the role of a DevOps engineer is critical to the projects overall success, right from planning to support primary KPI as customer satisfaction and productivity. A DevOps Engineer Expert has an essential role in integr ...

Senior Manager Technology Energy Trading & Risk Management (Endur) Energy & Commodities

Senior Manager Technology - Energy Trading & Risk Management (Endur) - Energy & Commodities Job ID: 63 Turnmill Street London EC1 M5RR United Kingdom At Publicis Sapient, we help our clients with their Digital Business Transformation journey. In the Energy & Commodi ...

Production Software Engineer

Overview We tackle the most complex problems in quantitative finance by bringing scientific clarity to financial complexity. From our London HQ, we unite world‑class researchers and engineers in an environment that values deep exploration and methodical execution because the best ideas take time t ...

Senior Software Engineer – Data Visualisation & Graphics | London

Software Engineer | Canvas | SVG | High-Performance Charting | London to £200,000 depending on exp. Most data visualisation roles sit on top of libraries. This one builds the engine behind them. I’m hiring a Senior Engineer to work on a widely-used charting library used by ...

AI Engineer UK (Remote)

One of our clients based in California, USA is building a new team and looking for 7 highly skilled and motivated AI Engineers globally join their dynamic team. As an AI Engineer, you will be pivotal in designing, developing, and deploying state-of-the-art AI solutions that enhance the capabilities of our ...

Software Engineer (Leadership) Machine Learning

**Summary:** Meta is seeking Ads Engineers to join our engineering team. This role requires industry experience working on a range of AI and optimization problems in ads or related products. The position will involve taking these skills and applying them to some of the most exciting and massive social data ...

Software Engineer, PB Core – London

SummaryExciting opportunity at one of the fastest growing financial services firms around the world. They offer prime brokerage, clearing and financing across traditional and digital assets, and are now looking to hire world-class software engineers to help build on their success.This ...

SRE/Support Engineer

Summary:Fantastic opportunity to join an industry-leading global market maker, using innovative and cutting-edge technology. This is an elite team of the smartest, most creative engineers, who partner with different teams across the business to solve their most pressing issues. Forget the stuffy ...

Data Engineer DV Cleared

Description **DV Cleared Data Engineers**UK, London, Manchester & Bristol | Hybrid **Active DV Clearance required**We're working with a major UK organisation delivering secure, enterprise-scale data platforms across defence and national s ...

Computer Science Teacher – Progressive School – Tower Hamlets

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.Computer Science Teacher – School with digital innovation and ...

Computer Science ECT – Supportive Environment Hackney

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.ECT: Computer Science Teacher – Launch Your Career with Speci ...

Technology Energy Trading & Risk Management Manager Energy & Commodities

Technology - Energy Trading & Risk Management - Manager - Energy & Commodities Job ID: 63 Turnmill Street London EC1 M5RR United Kingdom At Publicis Sapient, we help our clients with their Digital Business Transformation journey. In the Energy & Commodities Tradi ...

Senior Automation Test Engineer

IdentityE2E is redefining QA test engineering with our innovative products and services. Based in London, we are looking for a Senior Test Automation Engineer with deep expertise in automated UI and API testing. Role Overview As a Senior Test Automation Engineer, you will play a crucial r ...

SRE/Support Engineer

Summary:Fantastic opportunity to join an industry-leading global market maker, using innovative and cutting-edge technology. This is an elite team of the smartest, most creative engineers, who partner with different teams across the business to solve their most pressing issues. Forget the stuffy ...

Software Engineer, PB Core – London

SummaryExciting opportunity at one of the fastest growing financial services firms around the world. They offer prime brokerage, clearing and financing across traditional and digital assets, and are now looking to hire world-class software engineers to help build on their success.This ...

Computer Science ECT – Supportive Environment Hackney

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.ECT: Computer Science Teacher – Launch Your Career with Speci ...

Python Lead Software Engineer Rates Live Risk & P&L

DescriptionYou will join a front-office engineering team that builds and operates core Rates trading tooling where correctness, resilience, and latency matter every day. The environment is fast-moving and highly collaborative, with strong expectations for production ownership, rapid iteration, a ...

Data Engineer DV Cleared

Description **DV Cleared Data Engineers**UK, London, Manchester & Bristol | Hybrid **Active DV Clearance required**We're working with a major UK organisation delivering secure, enterprise-scale data platforms across defence and national s ...

Computer Science Teacher – Progressive School – Tower Hamlets

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.Computer Science Teacher – School with digital innovation and ...

Computer Science ECT – Newham

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.ECT: Computer Science Teacher – Launch Your Career with Speci ...

Sales Director EMEA

We’re making security suck less for developers.Security tools haven’t kept up with how software is built today. They interrupt teams, slow releases, and turn security into a bottleneck instead of a capability. We built Aikido to change that. Aikido builds developer-first security prod ...

Sales Director EMEA

We’re making security suck less for developers.Security tools haven’t kept up with how software is built today. They interrupt teams, slow releases, and turn security into a bottleneck instead of a capability. We built Aikido to change that. Aikido builds developer-first security prod ...

Lead eSoftware Engineer C++

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead eSoftware Engineer at JPMorgan Chase within the Electronic Trading Technology group, you are an integral part of an agile team that works to enhance, build, and deliver trust ...

Application Security Engineer

Fin is the AI Customer Agent company on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always-on customer support across the customer journey - from servi ...

Technical Lead Python

Technical Lead - Python Department: Global Security Services Employment Type: Permanent - Full Time Location: UK - London Reporting To: Richard Jacobs Description At CFC, this role sits right at the intersection of techn ...

Head of Sales, UK

Role Overview Head of Sales UK: own the growth engine of EatClub’s UK business, lead new venue acquisition, launch city‑wide markets, build and scale a high‑activity sales team, and embed AI‑powered sales tools and performance culture. Key Responsibilities Drive UK new ven ...

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