363,840+ Java Software Engineer Cloudnative Api Security Jobs in UK — Top Companies Hiring June 2026

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Java Engineer (50009)

InfoSum is the world’s leading data collaboration platform, providing solutions to the world’s largest enterprises to allow collaboration across data sources and deliver richer customer experiences that prioritize consumer privacy. Our vision is to unlock data’s limitless potential, by enabling the wor ...

Senior Java Engineer

Are you an engineer who has shipped distributed backend systems at scale, knows what breaks in production, and fixes it before it does? Do you want your work to have a direct impact on the wellbeing of millions of people across Europe? If yes - read on. Epassi is one of Europe's fas ...

Lead Java Engineer

Job DescriptionWe are looking for an accomplished and experienced Java Engineering Lead/Manager to lead our UKBI engineering team. Reporting into our Engineering Director, you will have a strong background in Java, microservices, serverless architecture, Docker, EKS and search technologie ...

Senior Java Engineer

Location: Cardiff Hybrid / Flexible WorkingSalary: Up to £55,000 dependant on experience plus up to 20% annual bonus and benefitsStability, flexibility and the opportunity to work on greenfield projects within one of Europe’s leading fina ...

Senior Java Engineer

About the job you're consideringCapgemini are recruiting highly skilled Senior Engineers to join their dynamic team, delivering solutions for a major public sector client. This is an opportunity to work on meaningful projects that impact millions of people, in an environment that v ...

Backend Java Engineer

Software Engineer (Java) Are you passionate about building software solutions that engage millions of sports fans worldwide? Do you want to work in a collaborative environment, building cutting‑edge technology that powers web and native applications across the sports industry? If so, we w ...

Lead Java Engineer

Join us to shape the future of financial technology and make a meaningful impact on your career. You'll collaborate with talented professionals, solve complex challenges, and help build trusted market‑leading products. We value creativity, inclusion, and continuous learning, offering you the opportunity to ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k* + company options scheme (*for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. xwzovoh They will consider remote workers, if ...

Lead Java Engineer

Job DescriptionWe are looking for an accomplished and experienced Java Engineering Lead/Manager to lead our UKBI engineering team. Reporting into our Engineering Director, you will have a strong background in Java, microservices, serverless architecture, Docker, EKS and search technologie ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

Lead Java Engineer

**Career Stage:**Manager**London Stock Exchange Group (LSEG) Information:**Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.LSEG is a leading global financial ...

Senior Java Engineer

Boogi is seeking a Senior Java Engineer to help build and scale our rewards platform. Boogi powers some of the world’s most innovative fintechs, including Capital on Tap & Trading 212 helping them scale through cashback and product-based rewards. Our platform delivers the of ...

Lead Java Engineer

We are supporting one of our client on a major Payments modernisation programme and we are looking to hire Lead Java Engineers to help design and build a new real-time event-driven platform. Note this role is a 12 months fixed term contract. Role Overview You will be part of a new ...

Senior Java Engineer

As a Senior Java Developer within Core Team, you will play a crucial role in the development of our Back Office and integration services. This position provides the opportunities to work on several greenfield projects, from concept designs to deploying and implementation, but also gain production experienc ...

Lead Java Engineer

Join us to shape the future of financial technology and make a meaningful impact on your career. You’ll collaborate with talented professionals, solve complex challenges, and help build trusted market-leading products. We value creativity, inclusion, and continuous learning, offering you the opportunity to ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k* + company options scheme (*for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. xwzovoh They will consider remote workers, if ...

Senior Java Engineer

Senior Java Engineer 12 Month contract initially. Based: 3 Days onsite in Burgess Hill. Rate - £400 - £475 p/d via Umbrella. We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisat ...

Java Engineer (50009)

Job Overview As a Java Engineer, you will be responsible for designing, building and maintaining scalable, high-performance backend systems that power InfoSum’s data collaboration platform. You will work closely with cross‑functional teams, including frontend engineers, product representatives an ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers, if you are prepared to occasionally ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers, if you are prepared to occasionally ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers, if you are prepared to occasionally ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers, if you are prepared to occasionally ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers, if you are prepared to occasionally ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers, if you are prepared to occasionally ...

Principle Java Engineer

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers, if you are prepared to occasionally ...

Junior Java Engineer

£90k, 20% Bonus, 3 days a week in the office. Quant Capital is urgently looking for a Junior Software Engineer with Core Java skills to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They like technology especially the opensource variety as w ...

Senior Java Engineer

We’re partnered with a leading FinTech based in Manchester who are now looking for a Senior Backend Engineer as they grow a new team to help scale new products and projects. This role will be supporting high-performing engineering teams whilst owning the end-to-end delivery of projects and you’ll b ...

Junior Java Engineer

Consultant - Junior Java Engineer - DE - TC - UKI - Belfast Location: Belfast Other locations: Primary Location Only Salary: Competitive Date: 27 May 2026 Job description Requisition ID: At EY, we’re all in to shape your future with confidence. ...

Java Development

DescriptionWe are looking for a skilled Java Developer to join our team in India. The ideal candidate will have 2-12 years of experience in Java development and a strong grasp of software development principles. You will be responsible for designing, developing, and maintaining scala ...

Senior API Developer to support the design, development, and deployment of scalable, secure microservices based applications.

Our client is seeking an experienced API Developer to support the design, development, and deployment of scalable, secure microservices-based applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, and RESTful API development in an enterprise environment.This rol ...

Hybrid AWS API Engineer & Data Architect — API & Data Platform

Capgemini is looking for an experienced AWS API Engineer / Data Architect in Manchester. You will design and implement microservices architectures on AWS, define integration standards, and collaborate with various stakeholders. Ideal candidates have over 5 years of experience in delivering APIs and microservices ...

Senior Software Engineer / Senior Full Stack Developer

Raytheon UK is searching for a Senior Software Engineer to join our OMNIA Training team. As Senior Software Engineer, you will be critical to the successful delivery of the programme, collaborating within matrix organisation across multi-disciplinary teams to develop and maintain cloud-hosted syste ...

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 ...

Software Engineer III Fullstack (Java, React, Python and AI) Engineer

Job Description Join us to shape the future of web applications with innovative AI-driven solutions. You will have the opportunity to work across both backend and frontend technologies, collaborating with diverse teams to deliver impactful customer and internal platforms. Your expertise will help ...

Software Engineer III Fullstack (Java, React, Python and AI) Engineer

Join us to shape the future of web applications with innovative AI-driven solutions. You will have the opportunity to work across both backend and frontend technologies, collaborating with diverse teams to deliver impactful customer and internal platforms. Your expertise will help us build reliable integra ...

Software Engineer III Fullstack (Java, React, Python and AI) Engineer

Join us to shape the future of web applications with innovative AI-driven solutions. You will have the opportunity to work across both backend and frontend technologies, collaborating with diverse teams to deliver impactful customer and internal platforms. Your expertise will help us build reliable integra ...

Software Engineer III Fullstack (Java, React, Python and AI) Engineer

Join us to shape the future of web applications with innovative AI-driven solutions. You will have the opportunity to work across both backend and frontend technologies, collaborating with diverse teams to deliver impactful customer and internal platforms. Your expertise will help us build reliable integra ...

Software Engineer III Fullstack (Java, React, Python and AI) Engineer

Join us to shape the future of web applications with innovative AI-driven solutions. You will have the opportunity to work across both backend and frontend technologies, collaborating with diverse teams to deliver impactful customer and internal platforms. Your expertise will help us build reliable integratio ...

Software Engineer III Fullstack (Java, React, Python and AI) Engineer

Join us to shape the future of web applications with innovative AI-driven solutions. You will have the opportunity to work across both backend and frontend technologies, collaborating with diverse teams to deliver impactful customer and internal platforms. Your expertise will help us build reliable integra ...

Software Engineer in Cambridge Trustonic

Software Engineer Cambridge, United Kingdom Posted 10 months ago Trustonic is a global leader in trusted technology for telecoms and cybersecurity, providing innovative solutions to enhance security and protect revenue for technology companies worldwide. Tech stack ...

Senior Software Test Automation Engineer (Selenium/Playwright)

The opportunity We are looking for a Senior Software Test Automation Engineer who is passionate about delivering high-quality software through automation-first and shift-left testing practices. In this hands-on role, you will design, develop, and maintain scalable test automation solutions across ...

eFX Software Engineer

eFX Software Engineer – Permanent | London (Hybrid)We’re hiring an experienced eFX Software Engineer to join a leading financial institution’s digital technology division. This is a permanent position based in London with a flexible hybrid working model.You’ll be part of ...

QA Engineer (Associate) in London Calastone

QA Engineer (Associate) London, United Kingdom Posted 9 months ago This is a job posted by our partner Jooble Tech stack API SQL UI Databases Java C REST QA Engineer Tools and Technique ...

Senior Developer Angular, Java, Active SC in London Hays

Senior Developer - Angular, Java, Active SC Clearance London, United Kingdom Technology Stack API Spring Framework Spring Boot Angular (frontend) Java (v17) JPA/Hibernate REST Observability and monitorin ...

Senior Application Security Engineer

We are seeking a Senior Security Engineer (Application) to help strengthen and mature application security practices across a fast-moving engineering organisation. This is a hands‑on technical role focused on embedding security into engineering workflows, improving secure development practices and ensuring ...

Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

Software Engineer III SDET, Python

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorganChase within the Commercial & Investment Bank, particularly in the Payments Technology, you serve as a seasoned member of an agile team to design and d ...

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    Java Software Engineer Cloudnative Api Security Jobs in United Kingdom Job Search Guide, Trends and Insights