Java Software Engineer Core Java Jobs in UK

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Senior Lead Java Engineer — Cloud Native & Microservices

JPMorgan Chase & Co. is seeking a Lead Software Engineer in Glasgow to enhance market-leading technology products. The role involves executing software solutions, coding, and collaborating with a global team. Candidates should have extensive experience in Java/Spring/Spring Boot, along with expertise in database ...

Senior Java Engineer Vehicle Telematics with AWS

Radius is looking for a Senior Java Developer to join their Vehicle Telematics team in Crewe. This role includes interpreting business requirements, developing solutions, and mentoring junior developers. Candidates should have 4+ years of core Java experience and familiarity with frameworks like Spring and Hiber ...

Senior UI/UX Engineer — React + Java Expertise

LA International Computer Consultants Ltd is looking for a senior developer skilled in Java technologies and ReactJS to create user-friendly interfaces. You will focus on enhancing usability for services and automating processes in a supportive environment that values diversity and inclusion. The company is a le ...

Java Spring Boot Cloud Migration Engineer (AWS)

Computer Futures is looking for an engineer in Manchester with expertise in Java and Spring Boot, focused on leading cloud migrations primarily on AWS. The position offers a contract starting with 3 months, likely extending to 6-9 months. You'll be responsible for developing solutions and migrating full product ...

Senior Java Engineer Banking Tech, Hybrid & Growth

Tenth Revolution Group is seeking a Senior Java Developer with 4+ years of experience to join their team in Newcastle upon Tyne. This permanent role offers the chance to work on significant engineering projects in the Banking sector, focusing on designing and maintaining Java applications. The position provides ...

Senior Real Time Java/Kafka React Engineer

JPMorganChase in Bournemouth is looking for a Software Engineer III to join their Global Liquidity and Cash Management Technology team. You will design and enhance a real-time client liquidity dashboard using Java, Kafka, and ReactJs. The role includes writing high-quality code, providing technical leadership, a ...

Senior Backend Engineer — Cloud Microservices (Java/AWS)

JPMorgan Chase is seeking a Lead Software Engineer for the International Consumer Bank. This role involves delivering cloud-based solutions, enhancing software reliability, and leading technology practices within a diverse team. Ideal candidates have substantial back-end engineering experience, particularly with ...

VP Java Engineer Markets CRM Platform Lead

JPMorganChase is seeking a VP Engineer to lead the development of the Markets CRM platform in Greater London. This role involves collaborating with global engineering teams to design secure, scalable solutions. The ideal candidate will have extensive experience in Java and cloud technologies, and a commitment to ...

Senior Java Engineer – Capital Markets (Hybrid, London)

Gravitas Recruitment Group (Global) Ltd is seeking a Senior Java Developer in London with a salary of up to £125k. This hybrid role offers a fantastic opportunity for candidates to work on high-performance, business-critical systems in a capital markets environment while progressing to a Head of Engineering posi ...

Principal Java Engineer Low Latency Payments Platform

RE Partners, a dynamic business and technology consultancy in Cambridge UK, is seeking a skilled Principal Java Engineer to enhance their high-performing engineering team. In this hybrid role, you will leverage your 10+ years of experience in Java development to design and optimize low-latency systems, build sec ...

Hybrid Edinburgh: Test Automation Engineer (Selenium/Java)

Computershare UK is hiring an Automation Engineer in Edinburgh to enhance test automation frameworks and processes. The ideal candidate will have experience with Selenium WebDriver, Agile methodologies, and strong Java skills. You will collaborate with teams to define automation strategies while fostering a cult ...

Senior Java Payments Engineer Hybrid, Scale & Reliability

Starling is looking for highly motivated engineers to join their Payment Schemes team. With a primary focus on Java, you will play a key role in building and maintaining systems for payment integrations to ensure stability and accuracy. Your work will help in delivering mission-critical services, worki ...

Senior Java Engineer – Spring, REST & Cloud Native

iManage is seeking a Senior Software Engineer specialized in Java to join their London team. The role involves building the foundation of the InsightPlus application using modern tools such as Spring and RESTful web services. This full-time position requires expertise in cloud-native technologies and a collabora ...

Backend Engineer: Python/Java APIs & Scalable Systems

ELLIOTT MOSS CONSULTING PTE. LTD. is seeking a skilled Backend Developer in Penarth, Wales. The successful candidate will design, develop, and maintain scalable backend services using Python and Java. Responsibilities include implementing RESTful APIs, integrating backend services with front-end applications, an ...

Lead Java Microservices Engineer for AWS Migration

ALOIS UK seeks a skilled lead developer in Greater London to oversee the refactoring of key applications for clients, focusing on Java microservice applications migrating to AWS. You will work with client and program teams to design, develop, and assure application components, ensuring a smooth transition to clo ...

Senior Lead Java Backend Engineer Cloud Microservices

TwinThread is seeking a Senior Lead Software Engineer in Greater London to deliver end-to-end solutions for cloud-native microservices applications. The ideal candidate will have significant experience in back-end software engineering, specifically with Java and cloud technologies. Responsibilities include ensur ...

Senior C/C++ & Java Engineer — Windows Enterprise

Java Script Works is seeking a Senior C/C++ Developer with Java experience in Birmingham, United Kingdom. The role requires development work in a Windows environment, with previous software development experience in Java being essential. Beneficial skills include frontend experience with JavaScript, TypeScript, ...

Java Full Stack Developer | Frontend & Backend Engineer

Java Script Works, located in Greater London, is looking for a skilled Java Full Stack Developer. The ideal candidate should be proficient in Java for back-end development and experienced in front-end technologies like HTML, CSS, and JavaScript, alongside frameworks such as React or Angular. Responsibilities inc ...

Senior Java Engineer (VP) Equity Derivatives Platform

Citi is seeking a Senior Software Engineer (VP Level) in Belfast to join the Equity Derivatives technology team. The role involves developing and supporting reference data systems critical for the Global Equity Derivatives business. Responsibilities include defining architecture, implementing scalable applicatio ...

Senior Java Engineer Hybrid, APIs & Banking Architecture

Tenth Revolution Group is seeking a Senior Java Developer with over 4 years of experience to work on transformative projects in the Banking sector. The position offers a hybrid working model across Manchester, Newcastle, or Belfast. Responsibilities include designing Java applications, building APIs, and mentori ...

Senior Java Full Stack Engineer: Spring & Kubernetes

Neev is seeking an experienced developer in Glasgow, United Kingdom, with at least 7 years in Core Java and a strong background in functional programming. The ideal candidate should also have over 6 years of experience working with the Spring ecosystem, alongside Kubernetes and front-end technologies like Angula ...

Cloud Java Engineer — Hybrid UK (Spring, AWS)

Lawrence Harvey is seeking passionate Java Developers in Manchester to join their innovative team. This role involves developing the latest internal risk modelling system on AWS and utilizing cloud-native architecture. Candidates should have hands-on experience in Java development, particularly with advanced fea ...

Senior Java Engineer – Greenfield Platform, Hybrid London

11 roles available (mid to senior level) Pay rate: Outside IR35 – £600 to £800/day (depending on experience) Duration: Initial 6–9 months (programme running through to 2027) Working Arrangement: Hybrid – ~2 days/week in London A major Financial Se ...

Senior Java Backend Engineer Cloud, APIs & Scale

Arrows is seeking a Senior Java Developer to join their international engineering team. In this role, you'll develop and enhance backend services for a sophisticated Content Management System supporting global streaming platforms. You'll work on Java-based systems and contribute to architecture decisions, platfo ...

Hybrid Java Backend Engineer Microservices & Spring Boot

Net2Source (N2S) is seeking a Software Engineer to build world-class software in Burgess Hill, UK. The role requires expertise in Java, Microservices, Spring Boot, and various database technologies. An essential part of the position includes debugging, automating deployments, and scaling applications according t ...

Senior Java Engineer Spring Boot, Cloud & Microservices

ZOLOZ PTE. LTD. is seeking a skilled Java Developer in Greater London. The candidate will design, develop, and deploy high-performance Java applications using Spring Boot while engaging with stakeholders in fluent English. Ideal applicants should have over 3 years of experience with Core Java, familiar ...

Senior Backend Engineer: Java, Spark & API Pipelines

A leading information analytics company seeks a Software Engineer III with expertise in backend development and Java. The role focuses on implementing Scala/Spark pipelines and collaborating closely with engineering teams to ensure reliable Big Data solutions. Candidates should have around 3 years of experience ...

Lead Java Engineer: Blockchain & Cloud Native Apps

JPMorganChase is seeking a Lead Software Engineer to join the Asset & Wealth Management, Digital Assets Team. This role involves enhancing and delivering trusted technological products. Candidates should have over 5 years of experience in software engineering, with a focus on Java and blockchain technologies. ...

Java Backend Engineer — Scalable Microservices & High Performance

InfoSum Limited is seeking a Java Engineer in Basingstoke to design and maintain scalable backend systems for our data collaboration platform. This role involves working with cross-functional teams, focusing on security and performance. Ideal candidates will have 3+ years of experience in Java backend ...

Java Backend Engineer — Cloud, Microservices & CI/CD

Tesco UK is seeking a mid-level Software Development Engineer (SDE2) to build scalable, resilient Java-based backend services that support fulfilment workflows. The role involves collaborating with various stakeholders, writing maintainable code, and onboarding junior engineers. Ideal candidates will h ...

Founding Java Engineer — Backend Architect (Remote, Equity)

Fyaora is seeking a Back-End Java Engineer to join the founding team of Gler, an innovative on-demand platform. This remote position offers an equity compensation of up to 1,000,000 shares, as you will help build core systems for scalable service management. Ideal candidates should have 3-5+ years in b ...

Senior Java Backend Engineer (Hybrid) Microservices Expert

Lindar is seeking a Senior Java Backend Developer in St Albans, UK, to join our engineering team. This hybrid role focuses on developing and maintaining our gambling platform, offering an environment rich in technology and performance. The ideal candidate will have at least 5 years of practical experie ...

Java Backend Engineer for Scalable Crypto Services

WOTRANSFER PTE. LTD. is seeking a Java Developer in Greater London to design and maintain high-performance backend systems. The role includes developing digital currency services and optimizing management systems. The ideal candidate has at least 2 years of experience in Java and core technologies, fam ...

Senior Java Engineer: Microservices for Global Payments

Wise is seeking a Senior Product Engineer to join our dynamic team in London. You'll play a key role in designing and implementing highly available services while collaborating with cross-functional teams. Your expertise in Java, Spring Boot, Kafka, and PostgreSQL will help drive the development of innovative ...

Hybrid Java Full Stack Engineer — Cybersecurity Focus

Axiom Software Solutions Limited is seeking a Java Fullstack Engineer to join its innovative Information Security Cybertech Engineering team in London, United Kingdom. This permanent, full-time role offers a hybrid work model and involves working with a full-stack tech stack. The position involves cont ...

Staff Java Engineer – Supply Chain, AI & Microservices

hackajob is seeking a Staff Engineer to work with Sainsbury’s, focusing on technical design and mentoring within engineering teams. You will help drive the architectural solutions for complex supply chain systems leveraging your expertise in Java, Python, and microservices. The ideal candidate should demonstrate ...

Senior Java Engineer Hybrid, Lead & Shape Platforms

Target is looking for a Senior Software Engineer specializing in Java to join their team in Cardiff with a hybrid working model. This role involves designing scalable solutions, mentoring engineers, and maintaining high software quality standards. They offer a competitive salary of up to £50,000 annually, 30 day ...

Senior Java Engineer — Cloud & Real Time Platforms

Ocho People is partnering with a global technology organisation to hire a Contract Senior Java Engineer in Belfast. This role involves designing and maintaining scalable Java applications while working in a hybrid model with flexibility. The ideal candidate will have strong experience in Java developme ...

Senior Java Microservices Engineer Spring Boot/Cloud

Synechron is looking for a Senior Java Developer in Sheffield, England to design and develop high-performance microservices. The role requires expertise in Java, Spring Boot, Spring Cloud, and experience with messaging systems like Solace PubSub+. Candidates should have a strong background in secure coding and f ...

Senior Java Engineer (Contract) – Spring Boot & Microservices

Overview Senior Software Engineer, 3 month contract, Manchester - 1 day per week, SC Eligible. Responsibilities Full stack engineer leaning towards backend Most of the engineering work is Java and Spring boot Microservices ...

Java Cloud Engineer — SC Cleared, AWS & Microservices

Join a forward-thinking technology consultancy that values autonomy and collaboration. As a Java Cloud Developer, you'll leverage your expertise in Java and AWS to deliver high-quality code and streamline software delivery processes. You'll be responsible for all aspects of your code, from development to product ...

Senior Backend Engineer — Java, Cloud, Remote‑First

A leading travel technology company is seeking a Senior Software Engineer with strong Java proficiency to join their team. This role offers a flexible remote-first working environment and the opportunity to work on innovative travel solutions. Ideal candidates will have experience in backend development and coll ...

Lead Java & AWS Engineer — FinTech Cloud & Microservices

A leading financial services firm in Glasgow is seeking a Lead Software Engineer to join their Corporate Technology team. The role involves designing and developing web applications, managing stakeholder relationships, and leading technical reviews. Candidates should have at least 5 years of experience in softwa ...

Senior Java Engineer – Lead Loyalty Platform Features

A leading technology firm is seeking a Senior Java Engineer in London to lead the development of core product features for a travel app. Candidates should have over 5 years of experience and strong programming and API design skills. The role requires a proactive approach to problem-solving and excellent communic ...

Technical Lead Engineer (Full Stack Java / Vue.js)

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

Senior Real Time Java/Kafka React Engineer

JPMorganChase in Bournemouth is looking for a Software Engineer III to join their Global Liquidity and Cash Management Technology team. You will design and enhance a real-time client liquidity dashboard using Java, Kafka, and ReactJs. The role includes writing high-quality code, providing technical leadership, a ...

Senior Java Engineer Flight Booking & Scalable Systems

Datalex is seeking a Senior Software Engineer in Manchester, United Kingdom. The role requires a minimum of 5 years of professional Java development experience, with a strong focus on complex flight booking structures and building highly available, scalable applications. This full-time position offers competitiv ...

Senior Java Developer Lead Engineer, Remote/Hybrid

Applause IT Recruitment Ltd is looking for a Senior Java Developer to join their team in Manchester. This role involves developing and maintaining enterprise software applications in a remote/hybrid setup with a salary ranging from £60,000 to £70,000 plus benefits. The ideal candidate will have strong Java devel ...

Senior Java & Spring Boot Engineer AWS Microservices

JPMorgan Chase & Co. is looking for a Software Engineer III in Glasgow, United Kingdom. The ideal candidate will have formal training in Java and extensive experience with Spring Boot and Micro-Services. This full-time position offers competitive compensation. Candidates should be skilled in AWS and demonstrate ...

Senior Java Engineer — High Throughput Trading Systems

A leading metals exchange in London is seeking a Senior Engineer to enhance their Inter-Office Trading platform. The role involves developing resilient integrations, automating test tooling, and collaborating with stakeholders to improve efficiency. Candidates should have over 5 years of Java development experie ...

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