182,796+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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Java Microservices Engineer — Remote for UK Government Projects

A leading government contracting firm seeks experienced Fullstack Java Developers for a 6-month contract. This role involves building high-quality Java-based microservices, focusing on agile methodologies and modern engineering practices. Candidates should have strong proficiency in Java, Spring Boot, and Docker ...

Senior Java Backend Engineer Remote 6 Month Contract

Binance, a leading blockchain ecosystem, is seeking a Software Backend Engineer to enhance Kazakhstan services. This remote position requires at least 7 years of experience in software development, with strong skills in Java and backend frameworks. Responsibilities include designing and maintaining backend syste ...

Core Java Engineer – Low Latency, Hybrid in London

Understanding Recruitment is seeking a Core Java Software Engineer to join a leading investment management firm's spinout in Central London. The role offers hybrid working, with three days from home and a salary of up to £120,000 plus bonus. Candidates should have substantial experience in Core Java, including s ...

Senior Software Engineer I Acquiring Platform Backend (Java)

Full-time Compensation: GBP 85,000 - GBP 105,000 - yearly Company Description Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people and businesses are sending ...

Full Stack Engineer (Python and/or Java) – 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 at a scale few can match. From deploying advanced AI to helping shape global markets, we ...

Junior Java Engineer – Cloud Trading Microservices 3d/wk

Quant Capital is urgently seeking a Junior Software Engineer to join a high-profile client in the trading sector. The role requires skills in Core Java and an understanding of financial services, preferably with experience in cloud architecture. You will work in a relaxed, collaborative environment similar to te ...

Backend Java Engineer: Scalable Systems with Spring Boot

Noon Academy is looking for a Software Engineer - Backend to join their team in Greater London. The ideal candidate will have strong proficiency in Java and Spring Boot along with experience in infrastructure and distributed systems. Responsibilities include improving system efficiency and collaborating with tea ...

Full Stack Software Engineer – Java/Spring (Onsite UK)

A leading technology company in the UK is seeking a full-time Software Engineer to join its growing teams in London, Gloucester, or Manchester. The ideal candidate will have full-stack experience, proficiency in Java with Spring Boot, and familiarity with modern JavaScript frameworks. This position offers compet ...

Senior Software Engineer I – Wise for Enterprise – Java

About the role We are looking for a Senior Product Engineer, you’ll be an integral part of our dynamic Wise for Banks team, working at the forefront of innovation, playing a key role in building scalable and robust systems that power our global payment network. You’ll collaborate closely with Imp ...

VP Full Stack Engineer (Python/Java) – Hybrid Finance

Citibank (Switzerland) AG in London seeks an accomplished Full Stack Engineer (VP) to join our Strategic Equity Solutions team. You will develop robust software solutions that enhance trader workflows, collaborating closely with business stakeholders. Ideal candidates should have strong backend languag ...

Senior C++/Java Engineer — Own Core Platform Components

LSEG in Greater London is seeking a Senior Associate responsible for delivering high-quality software solutions using C++ and Java. Candidates should possess over 8 years of experience, strong software engineering skills, and a solid understanding of system integration. The role offers tailored benefit ...

Senior Java Engineer for Cloud Driven Customer Services

Starling is looking for a talented engineer to join our Customer Service Engineering Group. You will develop innovative solutions to enhance customer service interactions, using Java as the backbone of our backend systems. Experience with AWS and Postgres is desired but a passion for clean coding and problem- ...

Full Stack Engineer Java in London Solirius Reply

Required Experience The ideal candidate should have commercial experience in some or all of the following: Substantial experience as a hands‑on Full Stack Engineer Java 7/8 to current Applied knowledge of front end frameworks (Angular, React, or other similar framewor ...

Senior Java Engineer for AI Enabled Service Modernisation

IG KnowHow is seeking a Senior Java Engineer to join their Service Modernisation & AI team. In this role, you'll modernise services using AI and develop AI-powered development infrastructure. The ideal candidate will have over 8 years of experience in software engineering with a strong focus on backend ...

Full Stack Software Engineer – Java/Spring (Onsite UK)

A leading aerospace and defense company in the UK seeks a Software Engineer to join its teams in various locations. This full-time role involves designing and building software for critical projects in a cross-functional team environment. Candidates should have full stack experience, Java development skills, and ...

Senior QA Analyst – Java/Python, Fast Paced London

Perfectech Cyber is seeking a Senior Test Analyst to join their team in London, UK. This full-time role involves designing and developing test plans based on project requirements, alongside executing manual tests. The ideal candidate will thrive in fast-paced environments, possess strong communication ...

Senior Java Engineer Scale SaaS in Insurtech (London)

A leading B2B SaaS technology company in London is seeking a Senior Java Engineer with expertise in Spring Boot and cloud-based systems. You'll design and scale products, mentor colleagues, and contribute to technical initiatives. The role offers a salary of up to £110,000 plus bonuses and excellent pension bene ...

Senior Software Development Engineer in Test (Java & Selenium)

Overview Uneek have partnered with a leading energy company who provide cutting-edge cleantech solutions in their search for a Senior SDET to join their team. Their mission is to help utilities transition to a more sustainable, customer-focused future. Senior Software Development Enginee ...

Low Latency Java Engineer for High Performance Trading

A financial services company in Greater London is seeking an experienced Low Latency Java Engineer to join their team for critical Front Office projects. The role involves designing and developing high-performance applications while collaborating across teams. Strong Core Java and multithreading skills are essen ...

Senior Software Engineer, XiP Risk Engine (Java/Spring)

Job Search Place Limited is seeking a Senior Engineer to be the Applications Development Technology Lead Analyst for the XiP large scale distributed calculation platform. In this pivotal role, you will design and enhance the calculation engine, managing risk calculations efficiently. Ideal candidates w ...

Java Software Engineer – E commerce Platform (London Onsite)

JD.COM is seeking a software development lead to enhance the online shopping experience on Joybuy. The role involves designing and implementing scalable software components while collaborating with a dynamic team at our London location. The ideal candidate will have at least 3 years of software develop ...

Senior Software Engineer (C# / Java) Remote & Scalable Backend

Threecolts is seeking a software engineer to take ownership of features across Inventory Lab's C# and Java-based systems. The role involves designing and building scalable services and APIs, and contributing to technical discussions. Ideal candidates will have 5-8 years of experience in software engineering a ...

L2 Support Engineer: Java/DB, Weekend TOIL – London

N Consulting Ltd is seeking an L2 Support Engineer based in London, United Kingdom. This contract position requires strong Java and database skills, along with good communication abilities. Candidates will be responsible for providing L2 support and will participate in weekend shifts, compensated with time off i ...

Senior Java L3 Production Support Engineer Onsite London

N Consulting Limited is seeking a JAVA L3 Support professional to work onsite in London, UK. This role requires hands-on programming experience with Java 8 and strong SQL skills. The initial contract duration is over 6 months with the potential for flexible working days after establishing trust with the clien ...

Senior QA Automation Engineer (Java) — Drive Quality & Growth

Emergn is seeking a Senior QA Automation Engineer to ensure product quality and reliability. You will work within an agile team, creating and maintaining test suites, performing both manual and automatic testing, while leveraging your experience in automation testing. The ideal candidate has at least 5 ...

Senior Backend Engineer – Java/Kotlin, AWS, AI/ML

Expedia, Inc. is seeking a skilled software engineer to design robust systems that enhance customer experiences. You will work on multi-domain solutions and integrate cutting-edge technology within a collaborative environment. The ideal candidate will have a Bachelor’s in Computer Science, with 5+ year ...

Senior Linux Backend Engineer — Java/Python (SC Clearable)

ALTEN LTD - UK is seeking a Backend Software Engineer based in London to design and support high-reliability software platforms. You'll work in a collaborative environment, focusing on operational control platforms and software components using Java and Python. The ideal candidate will have a Bachelor' ...

Backend Engineer (Java/Spring) for Global Ecommerce Platform

JD.com is seeking experienced professionals to build and maintain backend systems for its Joybuy platform located in Greater London, England. You will guarantee high performance, availability, and security in a fast-paced e-commerce environment. The ideal candidate should have a Bachelor’s degree in a ...

VP, FX Trading Technology – Java & Low Latency Architect

United States Digital Space LLC is looking for a candidate to implement FX trading systems as part of a high-performing team. This role involves collaboration across different teams in FX Trading Technology to enhance system architecture and delivery quality. The ideal applicant should have a proven un ...

Senior Full Stack Engineer (Java/Spring) AI & Cloud

United States Digital Space LLC in London is seeking a Senior Specialist, Full-Stack Engineer to lead backend services and API development. The role encompasses the full product lifecycle, necessitating collaboration with diverse teams. The ideal candidate possesses extensive experience in AI developme ...

Senior Java Engineer On site Low Latency Trading

United States Digital Space LLC is seeking a Senior Java Engineer to join a high-performing Electronic Trading engineering team. This role focuses on designing and developing mission-critical trading platforms with a direct impact on business outcomes. The ideal candidate will have strong commercial ex ...

Senior Java Engineer Cloud Native Payments (Hybrid UK)

A global payment technology leader is seeking a Senior Software Engineer based in the UK. This full-time position focuses on developing high-availability API solutions primarily in Java 11+, utilizing a microservice architecture on AWS. The ideal candidate will have over 5 years of Java backend experience, famil ...

Senior Java Engineer Front Office Pricing & Risk (London)

A financial technology company in London is seeking a Senior Java Software Engineer to join their core development team. The ideal candidate will have over 8 years of experience with Java and Python, and a strong background in trading and pricing solutions. This role involves technical leadership and collaborati ...

Senior Java/Spring Boot Technical Architect – Public Sector

Methods Business and Digital Technology is seeking an experienced Technical Architect specializing in Java and Spring Boot. This role focuses on supporting public sector clients in digital transformation projects and requires hands-on experience in architecture and governance. Successful candidates wil ...

Senior Java/Spring Boot Technical Architect – Public Sector

Methods Business and Digital Technology Ltd is seeking a Technical Architect with strong Java and Spring Boot experience. The ideal candidate will lead architecture and technical governance for critical public-sector transformation projects. Responsibilities include defining technical requirements, guiding se ...

VP, FX Trading Technology – Java & Low Latency Architect

United States Digital Space LLC is looking for a candidate to implement FX trading systems as part of a high-performing team. This role involves collaboration across different teams in FX Trading Technology to enhance system architecture and delivery quality. The ideal applicant should have a proven un ...

Senior Java Solutions Architect — Oracle CX Cloud PaaS

A leading technology consultancy in Greater London seeks a Java Specialist to design and implement innovative Oracle Java Cloud applications within its rapidly-growing Oracle CX Cloud Practice. Candidates should have at least 3 years of experience in Java/J2EE development, a proven track record in building APIs, ...

Senior Software Engineer, XiP Risk Engine (Java/Spring)

Job Search Place Limited is seeking a Senior Engineer to be the Applications Development Technology Lead Analyst for the XiP large scale distributed calculation platform. In this pivotal role, you will design and enhance the calculation engine, managing risk calculations efficiently. Ideal candidates w ...

Senior Java & AWS Backend Engineer for Health Research

United Cerebral Palsy of Georgia is seeking a senior software engineer to use Java and AWS to build secure, scalable cloud-based services for medical researchers in London. This hybrid role offers a strong salary based on experience, an options scheme, and a mission-driven team dedicated to advancing medical ...

Software Engineer II Backend Focus

Overview Oxford or London, UK Viator, a Tripadvisor company, is the leading marketplace for travel experiences. We believe that making memories is what travel is all about. With 300,000+ travel experiences to explore, we enable memories that will last a lifetime. We’re looking for a So ...

Senior Backend Engineer, Banking Connectivity

A global financial tech company in London is seeking a Senior Software Engineer to build critical bank integrations for their Banking Connectivity platform. The successful candidate will work on backend systems using Java and engage in ensuring reliable data flows across financial institutions. This role offers ...

Senior Backend Engineer, Banking Connectivity

A global financial tech company in London is seeking a Senior Software Engineer to build critical bank integrations for their Banking Connectivity platform. The successful candidate will work on backend systems using Java and engage in ensuring reliable data flows across financial institutions. This role offers ...

Engineering Lead API Experience

Job DescriptionWe’re looking for an experienced Engineering Lead to join our API Experience team. You’ll lead and manage a team of engineers building the tooling and infrastructure that enables partners to securely integrate with Wise's API. This is a unique opportunity to shape the developer experi ...

Engineering Lead API Experience

Job DescriptionWe’re looking for an experienced Engineering Lead to join our API Experience team. You’ll lead and manage a team of engineers building the tooling and infrastructure that enables partners to securely integrate with Wise's API. This is a unique opportunity to shape the developer experi ...

Software Engineering Manager – Machine Learning

Location: London, UKTop Quant fund an experienced Engineering Manager / Tech Lead Manager to head a small, high-performing team focused on core ML infrastructure — distributed model training, LLM hosting/fine-tuning, and scalable deployment systems.You’ll own technical directio ...

Software Engineering Manager – Machine Learning

Location: London, UKTop Quant fund an experienced Engineering Manager / Tech Lead Manager to head a small, high-performing team focused on core ML infrastructure — distributed model training, LLM hosting/fine-tuning, and scalable deployment systems.You’ll own technical directio ...

Quant Trade Desk Assistant in London Quant Capital

Experience of Computer Science Maths Stats or Comp Sci Degree from top 50 UK University An interest and some coding ability (Ruby, Go, Lua, Scala, Python or C++ or OO Language) An appetite for delivering solutions to complex problems The environment is that of Facebook ...

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 ...

MS Dynamics Architect

Looking for candidates who are good with MS Dynamics + Power platform & Power pages Job Description: Extremely sound in Dynamics CRM entities, workflows, configurations, customization development, Plug-ins, custom workflows, Java scripts, web resources, i ...

Manager, Sales Engineering

Role Overview Checkout.com is looking for an enthusiastic and talented Sales Engineer to join our fast‑growing team in London to support our clients with integrating our revolutionary online payments platform. This is a mid‑level position, and the successful candidate will be responsible ...

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