Java Software Engineer Core Java Jobs in UK

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SC Cleared Java Backend Engineer

A leading technology firm in the United Kingdom seeks a talented Software Engineer to develop high-quality, scalable services using modern Java frameworks. This role involves API development and contributing to cross-functional engineering initiatives. The ideal candidate will have strong skills in Java, RESTful ...

Senior Java Engineer Customer Fulfilment

About the Role We are building and rolling out a next generation, dynamic, scalable and resilient Fulfilment Platform for Tesco to support both manual and robotic‑powered automated fulfilment operations across all customer order fulfilment locations. The platform, Fulfilment Point System (FPS), e ...

Senior Java Engineer Microservices & Cloud

A leading software development company in Greater London is seeking a Senior Java Developer to contribute to the development of Back Office and integration services. You'll work on greenfield projects, collaborate with cross-functional teams, and engage in aspects from architecture to deployment. The ideal candi ...

Senior Java Engineer AI Enablement

This is a hands-on engineering role focused on delivery. You'll ship modernised services in fast cycles while showing other engineers how AI transforms productivity and code quality.Use AI for all coding tasks: refactoring, test creation, documentation, debugging Experience modernising production systems at scal ...

Java Microservices Engineer | Frontend & Backend

A leading software development company is seeking an Application Developer to join their team in Birmingham. The role requires expertise in both front-end and backend technologies, including React, Angular, and Java. Candidates should have a solid background in application engineering with a focus on software ar ...

Test Automation Engineer, Java & Microservices

A global financial services firm is looking for a Test Automation Engineer to join its Payments Technology team. The successful candidate will design and maintain robust test automation frameworks and collaborate with a diverse team of engineers. Key qualifications include strong skills in Java, object-oriented ...

Data Security Backend Engineer Java

For additional information, please review .***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 advance ...

Senior Java Engineer Investments Platform

A global technology company is seeking a team member to help develop financial products that allow customers to control their finances. The ideal candidate has a strong product mindset, great communication skills, and experience in web application development. This role offers a competitive salary ranging from £ ...

Java Backend Security Engineer Microservices

A leading financial services firm is seeking a Mid-level Java Developer in Belfast to design and implement robust microservice applications using Java and Spring Boot. You will collaborate with various teams, ensure compliance with audit requirements, and mentor junior developers. Candidates should possess relev ...

Data Security Backend Engineer Java

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 ...

Senior Java Backend & Middleware Engineer

A technology solutions provider is looking for a Specialist II in Backend Development based in Reading, England. The successful candidate will develop and maintain backend systems using Java 17/21 and Spring MVC while managing Java EE library migrations and Oracle 19C databases. Candidates should have 5+ years o ...

Senior Java Transformation Engineer Manager

A leading technology firm in Radbroke is seeking a Change & Transformation Software Engineer Manager (Java) to enhance their digital banking platform. The role involves designing, building, and maintaining robust applications while collaborating with cross-functional teams. Candidates should have extensive exper ...

Systems Engineer Java & Production Reliability

A global financial technology leader is seeking a Dev/System Engineer in London. The ideal candidate will have 2 to 5 years of experience in systems development, specifically with Java and C++. Responsibilities include applying security patches, diagnosing technical issues, and maintaining CI/CD workflows. The r ...

Senior Platform Verification Engineer Java

A global technology company is looking for a Senior Software Engineer to tackle complex verification challenges. This role involves owning impactful technical projects, ensuring scalability and compliance while delivering clean APIs. Successful candidates will have over 4 years of experience in Java, Spring, and ...

Java Engineer: Cloud, Microservices & Fintech

A prominent software firm in Greater London is seeking Java developers at all levels to work on innovative projects for tier-1 investment banks. This is a hybrid role, merging remote work with on-site collaboration, allowing developers to improve existing systems while employing modern software engineering pract ...

Senior Full Stack Engineer Java

A global financial services leader in the United Kingdom seeks a Full Stack Engineer to contribute to complex, enterprise-scale systems. The role involves end-to-end development of system features, working in a collaborative environment. Key responsibilities include designing, developing, and delivering software ...

Senior Java Transformation Engineer Manager

A leading technology firm in Radbroke is seeking a Change & Transformation Software Engineer Manager (Java) to enhance their digital banking platform. The role involves designing, building, and maintaining robust applications while collaborating with cross-functional teams. Candidates should have extensive exper ...

Lead Java Engineer AWS & Microservices

AND Digital Limited in Bristol is seeking a Lead Engineer to drive technical decisions in a commercial development team. The ideal candidate should have expertise in Java and JavaScript, with a strong grasp of cloud-native architecture. This position offers a blended working model and emphasis on perso ...

Lead Java Engineer Market Data

Man Group is a global alternative investment management firm focused on pursuing outperformance for sophisticated clients via our Systematic, Discretionary and Solutions offerings. Powered by talent and advanced technology, our single and multi-manager investment strategies are underpinned by deep research ...

Java Backend Engineer — Fintech (Hybrid)

IG Group is seeking a Software Engineer (Java) to join their team in Greater London. You will design and build robust, high-performance Java services for their FCA-regulated crypto trading platform. The role involves owning the full stack from architecture to production using cloud-native technologies on AWS. Id ...

Java with AWS Fullstack Engineer

Role Purpose Deliver high‑quality Java‑based services and cloud‑hosted solutions on AWS. Contribute to design, development, testing, and optimisation of digital applications while following established engineering standards. Support senior engineers, collaborate with multidisciplinary teams, and ...

Application Support Engineer: Java & .NET

ELLIOTT MOSS CONSULTING PTE. LTD. is looking for an Application Support Engineer based in Penarth, UK. This role focuses on optimizing and troubleshooting critical business applications, requiring strong Java programming skills and experience with .NET technologies, SQL Server, and Docker. The candidate will ana ...

Java/Kotlin Engineer Payment Gateway

We're supporting a major payments focused programme that is rapidly scaling across multiple value streams including merchant onboarding, point of sale, and transaction capture services. We're looking for several Senior Software Engineers with strong payments domain experience to join a growing engi ...

Artificial Intelligence Engineer Java/Python

AI Engineer (LLMs, Python & Java) Bracknell (Hybrid) Considering applying for this job Do not delay, scroll down and make your application as soon as possible to avoid missing out.What if you could own and build the AI capability from th ...

Adoption Platform Engineer Java & AWS

A leading financial services company is seeking an Adoption Software Engineer to transform our digital platform with customer experience at the heart. You will utilize your skills in Java and Public Cloud (AWS) to deliver high-quality software and foster collaboration across teams. Ideal candidates will have exp ...

Senior Backend Engineer Java & Serverless

A leading educational technology company in Newcastle upon Tyne is seeking a Senior Backend Engineer. The position focuses on backend development, particularly in Java and serverless architectures. Responsibilities include designing scalable backend services, implementing RESTful APIs, and mentoring junior devel ...

Senior Java Engineer Football Squad

Senior Java Engineer – Football Squad Salary Banding : £59,990 - £81,800 per annum Contract : Full-Time, Permanent Working Location : Hybrid, 2 days a week in the office, minimum Office Locations : Basingstoke, London, Bristol Hi, I’m Pe ...

Java Spring Boot Microservices Engineer

Amber Labs in Manchester is searching for skilled Java/Spring Boot developers to build a modern outbound notification platform for a UK public sector organization. Your role involves building and supporting microservices, improving platform reliability, and taking part in migration activities. The company values ...

Cloud Backend Engineer Java & .NET

SKY is looking for a Software Engineer to join the Content Platforms team. This hybrid role involves building and supporting critical platforms that deliver content to millions of customers via services like Sky Q and Sky Go. Candidates must have strong experience with Java (Spring) and .NET (C#), alongside prof ...

Lead Java Engineer AWS & Microservices

AND Digital Limited in Bristol is seeking a Lead Engineer to drive technical decisions in a commercial development team. The ideal candidate should have expertise in Java and JavaScript, with a strong grasp of cloud-native architecture. This position offers a blended working model and emphasis on perso ...

Senior Java Microservices Engineer – Contract

Nexus Jobs Limited is looking for a Java Software Engineer for a contract position in Bristol, United Kingdom. The ideal candidate must have at least 5 years of experience in software engineering, specializing in Java development, and should be well-versed in agile methodologies. The role involves work ...

Senior Java Engineer | Performance & Architecture

Rockstar Games is looking for a Mid/Senior Software Engineer specializing in Java to join our team in Dundee, United Kingdom. The ideal candidate should have a degree in computer science and a minimum of 3 years of Java EE development experience, with proficiency in Java 17. This full-time position offers compet ...

Senior Java Microservices Backend Engineer

Randstad Technologies Recruitment is seeking an experienced Java Backend Engineer to join their team in Burgess Hill, UK. This role focuses on developing high-performance, scalable applications within a distributed enterprise environment. Main responsibilities include contributing to the software development lif ...

Security Focused Java VM Engineer

Apple is seeking system programmers for their AppleJDK team focused on enhancing the security and stability of Java services. The ideal candidates will have a BS in Computer Science or equivalent, proficient in C, C++, and Java, as well as skills in debugging and knowledge of compilers. You will be responsible f ...

Secure Java Runtime Engineer (JDK)

A leading technology company in the United Kingdom seeks system programmers for the AppleJDK team. This role focuses on enhancing security and stability in the Java runtime as part of ensuring the security of Java services at a large scale. Ideal candidates will have programming experience in C, C++, and Java, a ...

Java/Scala Application Support Engineer

WorksHub is seeking a Software Applications Support Engineer in London, United Kingdom. This full-time role requires a BS degree in Computer Science or related field with coding knowledge in Java and Scala. Responsibilities include providing application support and understanding SQL. This position does not offer ...

Senior Java Automation QA Engineer

The role in a nutshell: A senior Java Automation QA Engineer assumes a leadership role in maintaining software quality through advanced automation practices using Java. They design, develop, and maintain complex automated test scripts and frameworks, collaborating effectively with cross-f ...

Senior Java Automation QA Engineer

The role in a nutshell: A senior Java Automation QA Engineer assumes a leadership role in maintaining software quality through advanced automation practices using Java. They design, develop, and maintain complex automated test scripts and frameworks, collaborating effectively with cross-f ...

FSD java Cloud Engineer (AWS)

Full-Stack java Cloud Serverless Engineer (AWS)We don’t just build applications; we architect modern, scalable cloud ecosystems. We are looking for a Full-Stack java Cloud Serverless Engineer (AWS) who thrives at the intersection of slick frontend experiences, robust backend logic, and cloud-native AWS i ...

Java Microservices Backend Engineer On site, Burgess Hill

Randstad Technologies Recruitment seeks a talented Java Backend Engineer in Burgess Hill, UK. The role involves building scalable software in a distributed enterprise environment and requires working on-site 3 days a week. Candidates should have a strong background in Core Java, Spring Boot, and Micros ...

Contract Software Developer: Next.js, Java & Cloud Infra

A dynamic technology leader in the UK seeks a motivated Software Developer on a contract basis. The role involves developing front-end applications using TypeScript and Next.js, maintaining back-end services with Java and Spring Boot, and implementing infrastructure as code with Terraform. Ideal candidates shoul ...

Software Engineer (C++, Java, Python) – 4 Day Week Hybrid

Optamor is seeking a Software Engineer with strong C++, Java, and Python programming skills to join Lockheed Martin in Ampthill, Bedfordshire. This position offers hybrid working, a flexible 4-day work week, and opportunities for development on impactful projects. Candidates should demonstrate proven software en ...

Software Engineering Manager | Java, AWS & AI (Hybrid)

A recruitment agency is seeking a Software Engineering Manager in the UK to oversee a dynamic team within a growing SaaS company. You will be responsible for guiding technical strategies and managing up to 15 engineers while remaining hands-on with development tasks. The ideal candidate has 8+ years of experienc ...

Software Engineer Java or Go Belfast in Belfast Ocho

Overview Software Engineer - Java or Go - Belfast Location: Belfast, United Kingdom Posted 24 days ago Salary: £80,000 per year Requirements We are looking for a backend engineer with at least 1 year of experience in Java or Go. You should have ex ...

Software Engineer Hybrid, 4 Day Week | C++, Java, Python

Lockheed Martin in Ampthill, England, is seeking a passionate Software Engineer to work on meaningful projects while utilizing C++, Java, and Python programming skills. The position offers a hybrid working model, a 4-day work week, and exceptional training opportunities, ensuring a strong work/life balance. The ...

Full Stack Software Engineer: Java/C#/Python/JS & React

Overview Widecombe-in-the-Moor, United Kingdom Posted 24 days ago This is a job posted by our partner Jooble Principal Software Engineer, Nifty Gateway Software Engineer, Nifty Gateway (Fullstack) 108 E 16th Street, New York, NY 10003 Proven Experienc ...

Senior Java Software Engineer Quote API (London or WGC)

Join the team behind Price Service-a mission-critical HTTP API powering pricing and promotions across all of Tesco's channels. From tills to websites and everything in between, our work touches the lives of over 28 million UK shoppers every week, with global reach on the horizon.We're building a robust, i ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where ...

Senior Front end Software Engineer ( React, Bazel And Java )

Senior Front-end Software Engineer (React, Bazel and Java) You must live in the UK – also sponsorship is not provided. The organization manages the test infrastructure and tooling that underpin its client applications. The mission is to provide a reliable, consistent and efficient ...

Senior Java Software Engineer Quote API (London or WGC)

About the role Join the team behind Price Service—a mission‑critical HTTP API powering pricing and promotions across all of Tesco’s channels. From tills to websites and everything in between, our work touches the lives of over 28 million UK shoppers every week, with global reach on the horizon. W ...

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    Java Software Engineer Core Java Jobs in United Kingdom Job Search Guide, Trends and Insights