Java Software Engineer Core Java Jobs in UK

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Principal Java Engineer API & Cloud Architect

A leading IT search consultancy is seeking a Senior Technical Leader or Principal Software Engineer in Manchester. You will lead a team in the API division, contribute to technical architecture, and work on impactful projects. Ideal candidates possess strong Java engineering and cloud skills. This role comes wit ...

Senior Java Engineer — FX Payments Platform

A leading financial services company in London is seeking a skilled Software Engineer to join their team. You will execute creative software solutions and develop high-quality production code while collaborating with talented colleagues. The ideal candidate holds a Bachelor's or Master's degree in computer scien ...

Senior Java Engineer Equities Platform Lead

A global financial services firm is seeking a Lead Software Engineer to create and support innovative software solutions for their Equity Derivatives platform. The ideal candidate will have strong expertise in Java, Spring Boot, and JavaScript frameworks, with a focus on agile team collaboration. You'll work wit ...

Senior Java Engineer: FX Payments & Microservices

A leading global financial services firm located in Greater London is seeking a software engineer to join their agile team. The ideal candidate will leverage their skills in system design and application development while contributing to diverse and inclusive culture. With a focus on high-quality code, the role ...

Backend Engineer — Java/Kotlin, Cloud & Microservices

A leading financial services firm in Greater London is seeking a Back-End Software Engineer to deliver innovative solutions in a collaborative environment. You will design and implement cloud-native applications using Java/Kotlin, focusing on providing an outstanding banking experience. The ideal candidate will ...

Java Engineer Hybrid, AWS & Growth Opportunities

A global consulting firm in Manchester is seeking a Java Software Developer to join its Digital & Data team. You will design and implement scalable software solutions using Java and AWS, collaborate with cross-functional teams, and thrive in a dynamic environment. Candidates should have at least 2 years of Java ...

Senior Backend Engineer (Java & Spring) | Microservices

Elsevier in Oxford is seeking a Software Engineer III to design and develop backend services using Java, Spring Boot, and Python in a collaborative agile environment. This role involves enhancing document transformation services and APIs while working with cloud technologies like AWS and Kafka. The ideal candida ...

Cloud Native Full Stack Engineer (Java)

IBM is seeking a Full Stack Developer to join their consulting division in the UK. This role will involve developing cloud-native applications using modern technologies like React and Spring Boot, and working in a hybrid environment. You'll collaborate on projects that leverage the latest in cloud services, ensu ...

Lead Full Stack Engineer (Java / Vue.js)

Lead Full Stack Engineer (Java / Vue.js) Our client based in Manchester City Centre is currently looking for an experienced Java engineer to join our growing team as a Lead Full Stack Engineer, helping to shape and deliver high-quality, end-to-end solutions across their platform. This is a ...

Senior Java Engineer – Customer Services (Hybrid)

Starling Bank Limited is seeking a highly motivated engineer to join their Customer Service Engineering Group. This individual should possess over 5 years of experience in Java programming and have a strong understanding of scalable code delivery. Engaging in a hybrid working model, the role involves developing ...

Java Engineer: Secure Backend & Intelligence Analytics

A leading technology company is seeking a Java Engineer to join their Security and Intelligence consulting team based in Greater London. The successful candidate will design, develop, and maintain secure, high-performance backend systems, including microservices and APIs. This role demands strong Java skills and ...

Java Engineer: Secure Backend & Intelligence Analytics

A leading technology company is seeking a Java Engineer to join their Security and Intelligence consulting team based in Greater London. The successful candidate will design, develop, and maintain secure, high-performance backend systems, including microservices and APIs. This role demands strong Java skills and ...

Senior Backend Engineer, Contacts Platform (Java)

A global technology company is looking for a dedicated backend engineer to join their team in London. You will drive the technical vision for the backend solution powering the recipient management product, collaborating with an agile team focused on delivering top-notch customer experiences. The ideal candidate ...

Java AI Engineer: Scalable Backend & ML

A technology consultancy in Greater London is seeking a skilled Java Engineer with AI expertise to design and deploy intelligent applications. This role combines backend engineering and AI, requiring strong experience in Java, Spring Boot, and microservices. Responsibilities include integrating AI/ML models and ...

Senior Lead Java Engineer – SwapClear Interfaces

A leading global financial markets infrastructure provider is seeking a talented Senior Lead Java Engineer in London. This role involves leading the design and development of critical Java applications in an Agile environment. The ideal candidate should have extensive experience with Java 17+, Spring frameworks, ...

Senior Java Backend Engineer — Hybrid London

A fast-growing technology organisation in London is seeking a skilled Java Backend Developer for a full-time permanent role. You will design and maintain backend services and APIs, focusing on security and scalability. The ideal candidate has over 4 years of experience with Java and expertise with Spring Boot. T ...

Java & React Engineer – Hybrid (London Banking)

A growing Consultancy in London seeks a Java/React Developer for a hybrid role focused on a Banking project. The successful candidate will lead engineering efforts across teams, focusing on software design, implementation, and maintenance. They must write high-quality, modular code and possess experience with Ja ...

Lead Android Engineer Remote Kotlin/Java

A well-known bank is seeking Senior and Lead Android Developers for its engineering team in Bristol. Candidates must have extensive experience with Android development, Kotlin, and Java. Experience in the software delivery lifecycle is essential, and banking experience is a plus. The bank offers a largely remote ...

Senior Backend Engineer, FinTech Payments (Java)

A leading financial technology company based in the UK is seeking a backend engineer to join its newly-formed Acquiring Platform team. This role focuses on developing infrastructure for merchant payment solutions, including integrations with popular payment methods like Google Pay and Apple Pay. Ideal candidates ...

Staff Java Engineer – Supply Chain (Hybrid)

A major UK retail company seeks a Staff Engineer to influence engineering at scale and shape the future of customer shopping. The role involves driving technical standards and mentoring engineering teams in delivering scalable solutions within a complex supply chain technology landscape. Ideal candidates will ha ...

FX eTrading Java Engineer VP Level

A leading global bank in Greater London seeks a qualified individual for FX trading systems implementation. The role involves collaborating with trading and quant teams to design system architecture, alongside hands-on technical implementation. Key skills required include a strong understanding of FX, low-latenc ...

Senior Quality Engineer – Java Microservices & AWS

A prominent financial markets group in the UK is seeking a Senior Quality Engineer. Join a central Quality Enablement team where you will define standards for automated testing across Java microservices and AWS Lambda functions. The ideal candidate will have strong experience in Java development, test automation ...

Java Engineer – Buyside FX Trading Systems

This is not a bank. Not a consultancy. Not sell‑side tech. We’re hiring a Java Engineer to join a small, elite engineering team inside a buyside FX trading firm building proprietary systems that directly trade capital. Your code won’t feed dashboards or client portals — it will sit at the h ...

Java Backend Engineer – Incident Response & Reliability

A technology solutions firm in Greater London seeks a skilled 3rd Line Back End Developer to tackle complex issues in live systems. The role requires a strong background in Java and server environments, with responsibilities that include diagnosing defects, developing solutions, and collaborating with various te ...

Senior Java/JavaScript Engineer Building Automation

A leading technology and automation company is seeking an experienced EMEA Software Developer in Horsham. The role involves developing JAVA and JavaScript applications within a dynamic team environment. Candidates should possess a BSc in Computer Science or related field, coupled with at least five years of rele ...

Java Backend Engineer Hybrid (London/Bristol)

A leading IT consultancy in the UK is seeking a Java Backend Engineer to build and maintain backend components for modern digital services. This role offers the chance to work with technologies like Java 8+, Spring Boot, and microservices in a collaborative, Agile environment. Ideal candidates will have strong e ...

Senior Backend Engineer Contacts Platform (Java)

A global technology company is seeking a Senior Software Engineer II for the Contacts Team in Greater London. The role involves driving technical solutions for recipient management in a collaborative agile environment. Candidates should possess strong Java experience and a proven record with distributed systems. ...

Java Engineer — Hybrid, AWS & Diverse Projects

A forward-thinking consulting firm based in Belfast is seeking a Java Developer to engage in innovative software solutions and collaborate across diverse teams. The ideal candidate should possess at least 2 years of Java software development experience and excel in problem-solving amidst a dynamic environment. T ...

Platform & AI Enablement Engineer (Java/React)

A leading cloud planning platform provider in Greater Manchester is seeking a Software Engineer to join their Platform & AI Enablement team. In this hybrid role, you will design and build enterprise-grade applications, collaborate with cross-functional teams, and focus on delivering high-quality software solutio ...

Senior Java Engineer Global KYC & Onboarding

A global technology company is seeking a Senior Software Engineer to join its Global KYC and Onboarding squad. You will own the technical roadmap for significant projects, ensuring compliance while providing clean APIs and solutions. The ideal candidate has over 4 years of experience with Java, a strong product ...

Java Engineer for Defense & Public Sector

A leading technology firm is seeking a Java Engineer to support projects in the public sector and secure environments. The role involves writing and debugging code, working with experienced professionals, and contributing to the design and maintenance of software systems. Candidates should possess foundational J ...

Senior Test Automation Engineer – Java & Playwright

A leading global financial services firm in the UK is seeking a Test Automation Engineer to design and maintain scalable test automation frameworks. The ideal candidate will have strong experience in Java programming and a solid understanding of agile methodologies. This role involves collaborating with a global ...

Java Full Stack Engineer | Flexible & Impactful

A leading consultancy firm based in Greater London is seeking a Full Stack Engineer to join its Software Engineering Practice. You will work across the full lifecycle of project development, engaging with clients, and contributing to engineering best practices. This role requires hands-on experience in Java, fro ...

Senior Reliability Engineer: Java & Distributed Systems

A financial services technology firm in London seeks a skilled Java Developer with strong expertise in JVM internals and performance tuning. The role emphasizes improving system reliability and requires good communication skills. You will work collaboratively to enhance system performance in high-throughput envi ...

Java Engineer: Streams, Concurrency & Distributed Systems

This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. £50,000 - £80,000 per year Requirements We are looking for a strong core Java developer with expertise in streams, lambdas ...

Senior AWS/Java Engineer — Hybrid, London

A leading tech recruitment firm in London is looking for a Senior Engineer specializing in AWS and Java. You will design and build serverless features, mentor junior engineers, and lead code reviews. The ideal candidate has experience with distributed systems and a collaborative mindset. This role offers a compe ...

Senior Java Backend Engineer — Microservices & Onboarding

A leading global bank is seeking a Vice President Software Engineer in Birmingham. This backend engineering position focuses on developing micro-services using Java and Spring, primarily for the Private Wealth Management onboarding platform. The role requires extensive experience in software development with a s ...

Senior Java Backend Engineer – Hybrid (Edinburgh)

A global technology enterprise in Edinburgh is seeking a Senior Java Backend Developer with over 15 years of experience. The role requires strong proficiency in Java 17, Spring Boot, and knowledge of cloud platforms like GCP. This position offers a hybrid work environment with 2 days onsite and 3 days remote. Th ...

Full Stack Java Engineer: Microservices & Frontend

• High concurrency and scalability patterns • Strong knowledge of: • System trade-offs (consistency vs availability, latency vs throughput) • API design and service boundaries • Fault tolerance and resilience design • Experience with system decomposition and domain modelling ...

Senior Java Engineer Post Trade Systems

A global financial services firm in Greater London is seeking a Java Engineer to design and develop scalable applications and microservices. The role includes integrating real-time data processing and supporting containerization efforts. Ideal candidates have strong Java skills and experience with Spring Boot, r ...

Backend Java Engineer Cloud, Microservices & AWS

A financial services firm located in Glasgow is searching for a Backend Software Engineer specializing in Java. The ideal candidate will develop scalable backend solutions, work collaboratively in agile teams, and contribute to high-impact projects in financial services. Key qualifications include proficiency in ...

Hybrid Java Engineer: Cloud Native & Scalable

A leading tech company is seeking a skilled Java Software Engineer to design, build, and scale software solutions. This role requires a minimum of 2 years of experience in Java development and involves collaborative work in a hybrid environment, with three days of remote work. Key responsibilities include softwa ...

Hybrid Java Engineer Cloud Native FinTech

A global fintech partner in Bristol is seeking a skilled Java Software Engineer to design and build software solutions. The ideal candidate will have at least 2 years of experience and a passion for clean code and cloud technologies. This full-time position offers a hybrid work model with two days in the office ...

Java Microservices Engineer Hybrid (Newcastle) & Cloud

A leading consulting firm is seeking a Java Developer in Newcastle upon Tyne to work in a hybrid model, engaging in developing microservices using Java and Spring Boot. The position involves collaboration with cloud teams while promoting best development practices within an agile framework. The role offers a com ...

Backend Engineer (Java) Up to £60k

Hybrid-Remote: City of London (1-2 days per week) Did you know conditions like Dementia and Parkinson’s disease affect millions globally, yet care is still largely reactive? We’re working with a pioneering startup changing that. This team is building the world’s most advan ...

Senior Selenium Java QA Automation Engineer

A leading tech solutions provider is seeking an experienced Overseas Contractor in Basildon, UK, to excel in Java test automation using Selenium. The role involves designing and implementing automated test scripts, executing various test cases, and collaborating with cross-functional teams. Candidates should hav ...

Java DevOps Engineer – Hybrid London, Microservices

A leading global workforce solutions company is seeking a Java Developer to lead the design and development of payment service features. This role involves troubleshooting complex issues and mentoring junior developers within an agile environment. The position offers a hybrid work model in London, requiring stro ...

Cloud Java Backend Engineer – Data Security

A leading global financial institution is seeking a Mid-level Java Developer in Belfast. This role involves designing, developing, and implementing microservice applications primarily in Java and Spring Boot. Candidates should have strong experience in a fast-paced environment focusing on automation and cost red ...

Secure Java Engineer for Intelligence Platforms

A technology solutions provider in Gloucester is seeking a Java Engineer to work within the Security and Intelligence consulting team. The role involves designing and developing secure software services and applications. Responsibilities include building high-performance backend systems, collaborating with multi ...

Senior Java Engineer AWS & BPMN Architect

A leading technology firm in Budock Water is seeking a Senior Software Engineer to develop high-quality solutions that will impact users worldwide. The role requires strong experience in Java and AWS, as well as the ability to make reasoned decisions in a fast-paced environment. You will mentor junior team membe ...

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