1 to 25 of 184 Java Engineer Jobs in the UK

Senior Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client … is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work with … a variety of languages, frameworks and tools. Applicants will need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Senior Java Software Engineer: 5yrs in a commercial Development role Solid experience of Java Good knowledge of Cloud Technologies (AWS) and Microservices Strong database knowledge (SQL and More ❯

Senior Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client … is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work with … a variety of languages, frameworks and tools. Applicants will need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Senior Java Software Engineer: 5yrs in a commercial Development role Solid experience of Java Good knowledge of Cloud Technologies (AWS) and Microservices Strong database knowledge (SQL and More ❯

Java Engineer We’re working with a leading brokerage seeking a talented Java Engineer to join their high-performing technology team. This is an exciting opportunity to work on high-throughput, low-latency trading systems, where performance and reliability are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading … and risk systems. The ideal candidate will have a strong understanding of multithreaded Java applications, coupled with an appreciation for scalability, data integrity, and system performance. Tech Stack & Skills: Strong core Java (Java 8+), with proven experience in multithreading and concurrency Solid understanding of data structures, algorithms, and object-oriented design Experience in low-latency or high … with messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance systems and wants to make an impact in a fast-moving financial environment, we’d love to hear from you. More ❯

Java Engineer We’re working with a leading brokerage seeking a talented Java Engineer to join their high-performing technology team. This is an exciting opportunity to work on high-throughput, low-latency trading systems, where performance and reliability are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading … and risk systems. The ideal candidate will have a strong understanding of multithreaded Java applications, coupled with an appreciation for scalability, data integrity, and system performance. Tech Stack & Skills: Strong core Java (Java 8+), with proven experience in multithreading and concurrency Solid understanding of data structures, algorithms, and object-oriented design Experience in low-latency or high … with messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance systems and wants to make an impact in a fast-moving financial environment, we’d love to hear from you. More ❯

Backend Engineer, java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days per week) | Salary Up to £65,000+Bonus & Benefits The Company We are working with a international Fintech Start-Up in the payments space who are completely changing the game for how payments work for small businesses. They have built a platform that massively reduces costs … and able to scale. You will be working with the lastest cloud natve technologies in a cross functional team and delivering real value to customers. Responsibilities for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days per week) | Salary Up to £65,000+ Bonus & Benefits Design, implement, and maintain backend services supporting a … knowledge sharing. Stay current with modern development tools, technologies, and industry standards. Actively engage in team retrospectives and knowledge-sharing sessions to foster continuous improvement. Requirements for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days per week) | Salary Up to £65,000+ Bonus & Benefits Strong experience working as a Backend Engineer More ❯

Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits The Company We are working with a international Fintech Start-Up in the payments space who are completely changing the game for how payments work for small businesses. They have built a platform that massively reduces … and able to scale. You will be working with the lastest cloud natve technologies in a cross functional team and delivering real value to customers. Responsibilities for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits Design, implement, and maintain backend services supporting a … knowledge sharing. Stay current with modern development tools, technologies, and industry standards. Actively engage in team retrospectives and knowledge-sharing sessions to foster continuous improvement. Requirements for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits Strong experience working as a Backend Engineer More ❯

Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits The Company We are working with a international Fintech Start-Up in the payments space who are completely changing the game for how payments work for small businesses. They have built a platform that massively reduces … and able to scale. You will be working with the lastest cloud natve technologies in a cross functional team and delivering real value to customers. Responsibilities for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits Design, implement, and maintain backend services supporting a … knowledge sharing. Stay current with modern development tools, technologies, and industry standards. Actively engage in team retrospectives and knowledge-sharing sessions to foster continuous improvement. Requirements for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits Strong experience working as a Backend Engineer More ❯

Java Engineer | (Edinburgh) On site! | £550-£650 (Inside IR35) | 6 months initially (likely extension) | (Java, Spring Boot, Azure) We're looking for a Java Engineer, that has previous experience working with Azure for a range of exciting projects. Rate: £550-£650 (Inside IR35) Length: 6-month initial contract, strong likelihood of extension Location: Scotland (fully … on site) Key Skills & Experience: Strong core Java development background Experience with Spring Boot Exposure to Azure App Services Proficiency with CI/CD pipelines (Jenkins preferred) Terraform experience desirable Must have valid Right to Work in the UK (no sponsorship available) You'll be joining a well established organisation, working on a range of internal systems and services. … If this sounds like you, apply now for more details! Java Engineer | (Edinburgh) On site! | £550-£650 (Inside IR35) | 6 months initially (likely extension) | (Java, Spring Boot, Azure) Oscar Associates (UK) Limited is acting as an Employment Business in relation to this vacancy. To understand more about what we do with your data please review our privacy More ❯

Lead Java Engineer opportunities for a leading business based in Telford. Multiple opportunities available paying £70,000 - £95,000 base D.O.E + bonus and benefits. Please note - No sponsorship is offered and being SC eligible is essential. We're excited to be offering this opportunity for experienced, senior/leadership level Java Engineer to join a … loves a challenge; who loves a job that's never the same one day to the next and someone who is a self-starter and keen to better themselves. Java will be a specialism of yours and you will relish collaboration and mentorship as much as you do the hands-on side of the role. Key tech includes: Java … platforms (AWS/Azure – nice to have) To be suitable, you must: Be eligible for Security Clearance (have lived in the UK for the past 5+ years) Have strong Java experience Have strong leadership/management experience Be able to work in their Telford office x3 days per week on average So, if you're a Senior/Lead More ❯

Lead Java Engineer opportunities for a leading business based in Telford. Multiple opportunities available paying £70,000 - £95,000 base D.O.E + bonus and benefits. Please note - No sponsorship is offered and being SC eligible is essential. We're excited to be offering this opportunity for experienced, senior/leadership level Java Engineer to join a … loves a challenge; who loves a job that's never the same one day to the next and someone who is a self-starter and keen to better themselves. Java will be a specialism of yours and you will relish collaboration and mentorship as much as you do the hands-on side of the role. Key tech includes: Java … platforms (AWS/Azure nice to have) To be suitable, you must: Be eligible for Security Clearance (have lived in the UK for the past 5+ years) Have strong Java experience Have strong leadership/management experience Be able to work in their Telford office x3 days per week on average So, if you're a Senior/Lead More ❯

Java Engineer Salary to £60k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are eligible (have resided in the UK for the past 5 years) and prepared to go through UK SC Security Clearance This company is a Workflow & AI Orchestration Specialist. They're on … manage casework, derive insight from data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable … week. Client sites could be anywhere but will most likely be in & around London. Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based microservices, APIs, and connectors within orchestration flows Translate BPMN and DMN models into executable workflows and reusable components Collaborate closely with analysts and service designers to refine and More ❯

Java Engineer • Salary to £60k + Company Options Scheme • Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are eligible (have resided in the UK for the past 5 years) and prepared to go through UK SC Security Clearance This company is a Workflow & AI Orchestration Specialist. They're on … derive insight from data and deliver citizen services. They’re growing fast and looking for bright, dynamic people to help build their business. Role They’re looking for a Java Engineer to join their implementation team. You’ll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration — helping their public-sector clients build secure … week. Client sites could be anywhere but will most likely be in & around London. Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based microservices, APIs, and connectors within orchestration flows Translate BPMN and DMN models into executable workflows and reusable components Collaborate closely with analysts and service designers to refine and More ❯

Java Engineer - 6-Month Contract - Hybrid (2 days on site, London) - Day Rate: Up to £700 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment. What you'll be doing: Designing … and developing performant, scalable backend systems using Java (up to Java 21) and PostGres Building microservices with Spring Boot and related frameworks Developing and maintaining RESTful APIs and event-driven systems Writing clean, testable code and following TDD principles with a strong focus on unit testing Working closely with DevOps, Product, and QA teams to deliver high-quality … supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation, along with Kubernetes for container orchestration What we're looking for (Requirements): Strong commercial experience with Java and Spring Boot Proven experience designing and maintaining microservices Hands-on experience working with PostGres Background working in cloud environments, ideally AWS Knowledge of Kubernetes and containerised systems Familiarity More ❯

Java Engineer - 6-Month Contract - Hybrid (2 days on site, London) - Day Rate: Up to £700 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment. What you'll be doing: Designing … and developing performant, scalable backend systems using Java (up to Java 21). Building microservices with Spring Boot and related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA teams to deliver high-quality solutions. Deploying and supporting services in AWS with … tools such as Lambda, ECS, S3, and CloudFormation. What we're looking for: Strong experience with Java, Spring Boot, and microservice architecture. Proven background working in cloud environments (ideally AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD, and Agile methodologies. Good communication skills and the ability to work collaboratively in More ❯

Job Title: Mid-Senior Java Engineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level Java Engineer to join a dynamic financial technology team in London. You will play a key role in developing, maintaining, and … enhancing high-performance, scalable financial applications. This is a fantastic opportunity for an ambitious developer with experience in Java and a passion for the financial sector. The role follows a hybrid working model, with 2-3 days per week in the office. Key Responsibilities: Design, develop, and maintain high-quality Java-based applications for financial services. Collaborate with … in code reviews and provide constructive feedback. Stay updated with the latest financial technologies and industry trends. Key Requirements: Based in the London Area 5+ years of experience in Java development (Java 8 or later). Experience with Spring Boot, Microservices architecture, and RESTful APIs. Strong understanding of multi-threading, concurrency, and performance optimization. Knowledge of SQL and More ❯

Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer … option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules More ❯

Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer … option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules More ❯

Java Engineer (Scotland) £550-£650 (Inside IR35) 6 months initially (likely extension) (Java, Spring Boot, Azure) We're looking for a Java Engineer, that has previous experience working with Azure for a range of exciting projects. Rate: £550-£650 (Inside IR35) Length: 6-month initial contract, strong likelihood of extension Location: Scotland Key Skills & Experience … Strong core Java development click apply for full job details More ❯

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £700 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment. What you’ll be doing: Designing … and developing performant, scalable backend systems using Java (up to Java 21). Building microservices with Spring Boot and related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA teams to deliver high-quality solutions. Deploying and supporting services in AWS with … tools such as Lambda, ECS, S3, and CloudFormation. What we’re looking for: Strong experience with Java, Spring Boot, and microservice architecture. Proven background working in cloud environments (ideally AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD, and Agile methodologies. Good communication skills and the ability to work collaboratively in More ❯

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £700 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment. What you’ll be doing: Designing … and developing performant, scalable backend systems using Java (up to Java 21). Building microservices with Spring Boot and related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA teams to deliver high-quality solutions. Deploying and supporting services in AWS with … tools such as Lambda, ECS, S3, and CloudFormation. What we’re looking for: Strong experience with Java, Spring Boot, and microservice architecture. Proven background working in cloud environments (ideally AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD, and Agile methodologies. Good communication skills and the ability to work collaboratively in More ❯

Software Support Engineer - Java - Remote Software Support Engineer with experience in Java, around application support or software development & SQL, is required by a leading company based in the North West. This role will offer mostly remote, so it requires 1 day a week in the Warrington office. You can also progress into a fully-fledged Software … Engineer role. Experience required: Excellent experience with Java in a development or application support environment Solid understanding of programming concepts and structured software development. ITIL standards, especially incident, problem, and change management. Documenting and communicating effectively. SQL wizard with database development. Handle tight deadlines and meet tight SLAs with ease. Duties include: Dive into the technical analysis of … pay up to £60,000 + Flexible working (1 day per week in the office). To apply, press apply now or send your CV to Keywords: Software Support Engineer - Java - ITIL - Flexible working - Manchester - Warrington - Liverpool - Manchester - Leeds - Stockport - Preston - Crewe - Stoke on Trent - Bolton - Blackburn Circle Recruitment is acting as an Employment Agency in relation to More ❯

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? 💸 Java Software Engineer – FinTech Scaleup 💸 📍 Location: Hybrid working in Central London 💰 Salary: £80,000-100,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s latest … scalable high-throughput software that is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for this Core Java Engineer position if you: Have built scalable software from scratch Use … Core Java concepts, including Low Latency , Concurrent Programming & Multithreading Are used to working in a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a Core Java Engineer, you will enjoy a wide array of benefits: Flexible working from home More ❯

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? 💸 Java Software Engineer – FinTech Scaleup 💸 📍 Location: Hybrid working in Central London 💰 Salary: £80,000-100,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s latest … scalable high-throughput software that is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for this Core Java Engineer position if you: Have built scalable software from scratch Use … Core Java concepts, including Low Latency , Concurrent Programming & Multithreading Are used to working in a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a Core Java Engineer, you will enjoy a wide array of benefits: Flexible working from home More ❯

Software Engineer - Java Microservices Location: London (Hybrid) About the Role We're excited to be supporting our client, a leading organisation in the financial services sector, in their search for a Software Engineer (Java Microservices) to join a high-performing, collaborative engineering team. This is a fantastic opportunity for a driven and passionate developer who enjoys … building, and maintaining innovative, secure, and high-performance software solutions that directly impact millions of customers. The environment is fast-paced, technically challenging, and highly rewarding - ideal for an engineer who wants to deepen their expertise in Java microservices , cloud technologies, and Agile delivery . What You'll Be Doing Designing, developing, testing, and deploying Java-based … of engineering practices and processes Applying Agile and CI/CD methodologies to ensure fast, reliable, and secure delivery of software What We're Looking For Proven experience developing Java software with a strong understanding of object-oriented principles and design patterns Hands-on experience delivering microservices and working within distributed system architectures Knowledge of Agile delivery methods , including More ❯

Java Software Engineer Edinburgh/Hybrid Up to £60,000 I am looking for an Java Software Engineer to join a leading international network security software company This is a fantastic opportunity to work with cutting-edge technology and make a real impact in the industry. You will join a small close-knit IT team supporting … the internal operations and support a globally dispersed workforce. The Role: Software development and support of complex and algorithmic Java software within a Linux environment. Development and use of software APIs between components in a Linux system. Collaborate closely with other team members, product management, and engineering management on requirements. Deliver strong contribution to intellectual property and software assets. … Work across the entire lifecycle including design, implementation, integration, and bug fix. About You: Highly proficient in Java 21+ Good object-oriented software design skills Solid experience in Linux environments Experience in Spring framework, particular Spring Boot Ifyou are a driven and ambitious Java Software Engineer looking for a new challenge, this could be the perfect role More ❯