1 to 25 of 53 Senior Java Developer Jobs in the UK

Have you got over 5 years commercial experience working with Java? Do you enjoy the fun and friendly atmosphere that comes from working in an office environment? Senior Java Developer – RetailTech Market Leader Location – Onsite in Hertford Salary - £65-85,000 + benefits We have been … beginning of their journey and I am pleased to continue our partnership as they look to further expand their Hertfordshire-based team with multiple Senior Java Developers. With over a decade of expertise, they have established themselves as leaders in the industry, forming significant partnerships with renowned names … such as Harrods, Klarna, Frazer’s Group, Tottenham Hotspur and Sports Direct. This is a fantastic opportunity for a Senior Java Developer to join the team as you will have significant autonomy and ownership over your projects, while also enjoying the opportunity to learn from some incredibly More ❯

Are you interested in sustainable energy and saving the world? Have you got experience coding with Core Java, Multithreading, Concurrency and Low Latency? FULLY REMOTE Senior Java Developer – Sustainable GreenTech Project Salary: Up to £130k Location: fully remote in the UK I am partnered with a … unique energy software platform that is helping consumers transition towards a sustainable future. They are in search of enthusiastic and knowledgeable Senior Java Developers of all levels with a strong comprehension of the Core Java principles to join their growing team. This is a brilliant opportunity for … and suppliers with easy access to energy trading by producing energy as a service as opposed to a commodity. You will be a fantastic Senior Java Developer if you have worked with Core Java and have extensive experience with Multithreading , Concurrency and Low Latency , because you More ❯

Do you have a PhD in Computer Science? FULLY REMOTE Senior Java Developer – Sustainable Energy GreenTech Salary : £100-140k + benefits Location : fully remote from anywhere in the UK I am partnered with a unique energy software platform that is helping consumers transition towards a sustainable … future by producing energy as a services. They are in search of an enthusiastic and knowledgeable Senior Java Developer with a strong comprehension of the Core Java principles alongside a deep understanding in Advanced Computer Science: Algorithms Graph theory Interval graphs Compiler theory You will be … a fantastic Senior Java Developer if you have worked with Core Java and have extensive experience with Multithreading , Concurrency and Low Latency , because you will be building your own frameworks and designing new databases from scratch. Your role as a Senior Java Developer More ❯

Senior Java Developer - Java, Spring Boot, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior Java Developer to join a leading Investment Bank as part of their global front-office technology team. This is a hands … scale to meet the growing demands of business event processing and data management. Key Responsibilities: Develop, implement, and maintain highly performant, secure, and scalable Java applications. Java Server Side Concurrent Programming with Spring Boot (Core Spring) Leverage Kafka or other message queue systems to handle asynchronous processing. Design … Take full ownership of feature development from design through to production deployment. Collaborate effectively with cross-functional teams, balancing independence and teamwork. Key Skills: Java Spring Boot Concurrency Message-driven architectures - Kafka, MQ SQL Queries Unix/Linux scripting Multithreading This is a full time role offering a salary More ❯

Senior Java Developer/Backend Software Engineer London onsite to £160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and … challenging work? You could be joining a scaling Cyber Security technology company that has just received £100 million investment. As a Senior Java Developer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. You'll design and develop … in London five days a week with a wide range of facilities and an array of perks. About you: You have strong backend core Java development skills You have a strong knowledge of software engineering best practices and have experience with TDD You have a good knowledge of SQL More ❯

Are you an experienced Java Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Java Developer – Revolutionising Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary … data privacy and security, amidst the GenAI boom. This is an incredibly exciting time to join the team as they are growing with multiple Senior Java Developers as well as DevOps Engineers. As a Senior Java Developer, you will: Have 5+ years experience as a … Software Engineer Experience developing with: Java, Spring Boot, Microservices, Kafka (or other messaging queues e.g. RabbitMQ), AWS, Docker, Kubernetes A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment of an early-stage scale-up They are avid promoters More ❯

Senior Java Developer £80,000-£90,000 Central London – Hybrid Working I’m currently working for a global FinTech business who are looking for a Senior Java Developer with experience in Salesforce to join their growing team in London on a hybrid basis while … means they are now looking to add to their Development team with many of these exciting projects already underway. They are looking for a Senior Developer who has good experience working with Salesforce – which many of their platforms use on the backend – while also being an expert Java Developer and API integration. You will be part of a 4-5 person team and ultimately support the business in developing and enhancing the business product suite and bespoke software for an international client base. This company are based in Central London and require office working of twice More ❯

We're Hiring: Senior Java Developer (Backend Focus) 🚀 Role: Senior Java Developer Model: Onsite Bournemouth Compensation: Up to 77k DOE + bonus + other benefits Are you passionate about building robust backend systems and delivering high-quality, scalable applications? We're looking for a … Senior Java Developer to join an exciting, collaborative project team working at the cutting edge of backend engineering. You'll play a key role in designing , developing , and launching new features that make a real impact. This is a great opportunity to work with the latest Java technologies (Java 11+, JDK 17) and gain experience in a cloud-native, microservices-driven environment. What you’ll be doing: Design clean, scalable backend systems with a strong focus on best practices. Collaborate with a talented engineering team to design, build, and maintain high-quality applications. Maintain code More ❯

Senior Java Developer - 70K Location: West Midlands Industry: IT Salary: £60000 - £70000 per annum + Pension, Health, Gym Posted: 20/08/2024 Description Senior Java Developer, Java Software Engineer, Java 17, Spring Boot, Maven, Git, GitHub Actions, SQL, Microservice architecture … Kafka Streams, Kubernetes, React, Typescript - Technical lead on project - Fully remote if need be - 70K About the Role As the Senior Java Software Engineer, you'll be a key player in developing this cutting-edge CRM SAAS solution. You'll work on projects throughout the software lifecycle, from … ll Do Work with the wider project team, engaging with PM & Business Analyst's and communicating the technical project requirements. Develop and unit test Java software applications. Work on the customer-driven proactive roadmap, introducing innovations for new digital services. Report directly to the Principal Engineer. Required Skills and More ❯

Job Title: Senior Java Developer Location: Primarily Remote (with meet ups twice a month) Salary: £80,000 - £90,000 (Flexible based on experience) Are you an experienced Java developer looking for a new challenge? Do you thrive in an environment where you can take ownership … exciting? Then this may be for you: Mostyn Chase are conducting an exclusive search for a well-established fintech in the payments space for Senior Java Developers to join this growing and dynamic team. The roles are designed to bring in developers who can work independently, solve complex … building scalable and secure web applications, and participating in the entire software lifecycle—from gathering requirements to deploying solutions. If you are an experienced developer who enjoys working autonomously and is comfortable working in a flexible, remote-first environment, this could be the perfect opportunity for you. The ideal More ❯

Senior Java Developer Java, RESTful APIs, Engineering Best Practices Contract - Outside IR35 6 Month contract £400 per day Uk Remote or Hybrid Edinburgh/Leeds Experience Are you a Senior Java Developer looking for a role where you can build high-quality APIs … collaborate with a dynamic Agile team? This is an opportunity to make a real impact in a forward-thinking environment. The Role: Develop RESTful Java APIs , integrating with databases and third-party APIs like payment gateways. Write readable, maintainable, and well-tested code to ensure long-term scalability. Collaborate … upskilling within the team. Handle complex client communications professionally. Define and oversee the technical implementation of client projects. What You Bring: Strong experience in Java API development , including ORM storage. A passion for knowledge sharing and team mentorship . Advocacy for best engineering practices (code reviews, paired programming, automated More ❯

Senior Java Developer – Java, RESTful APIs, Engineering Best Practices Contract - Outside IR35 6 Month contract £400 per day Uk Remote or Hybrid Edinburgh/Leeds Experience Are you a Senior Java Developer looking for a role where you can build high-quality APIs … collaborate with a dynamic Agile team? This is an opportunity to make a real impact in a forward-thinking environment. The Role: Develop RESTful Java APIs , integrating with databases and third-party APIs like payment gateways. Write readable, maintainable, and well-tested code to ensure long-term scalability. Collaborate … upskilling within the team. Handle complex client communications professionally. Define and oversee the technical implementation of client projects. What You Bring: Strong experience in Java API development , including ORM storage. A passion for knowledge sharing and team mentorship . Advocacy for best engineering practices (code reviews, paired programming, automated More ❯

Senior Java Developer/Java Lead - Bristol - New - (REFBJ18) Bristol/Hybrid Working £70k - £90k + Benefits + Bonus A leading provider of SaaS solutions requires a Senior Java Developer/Java Lead. The ideal candidate will have a strong background in … software development coupled with the following: Strong (and current) experience in both Java and Springboot, ideally coupled with experience in cloud platforms such as AWS or Azure. Familiarity with delivering mission-critical, high-volume, near real-time systems for clients. Strong professional communication skills, capable of representing engineering teams More ❯

Senior Java Developer Location: Glasgow, UK (Hybrid - 1 Day a week) Job Type: Permanent, Full-Time (40 hours per week) About the Role Are you a seasoned Java professional looking to make a significant impact in a cutting-edge, global technology team? We're seeking a … Senior Java Developer to join our dynamic front-office platform team, where your code will power market-leading business systems. You'll work in a complex, real-time, Linux-based environment, tackling challenges from high-volume event processing to data-driven decision-making. This role is not … s about fueling innovation and supporting exponential business growth. What You'll Do Innovate & Develop: Design, develop, and maintain high-performance, scalable, and secure Java applications that drive our business forward. Build Microservices: Architect robust microservices using Spring Boot and integrate asynchronous processing using Kafka or Message Queues. Database More ❯

Senior Java Developer Location: Glasgow, UK (Hybrid - 1 Day a week) Job Type: Permanent, Full-Time (40 hours per week) About the Role Are you a seasoned Java professional looking to make a significant impact in a cutting-edge, global technology team? We're seeking a … Senior Java Developer to join our dynamic front-office platform team, where your code will power market-leading business systems. You'll work in a complex, real-time, Linux-based environment, tackling challenges from high-volume event processing to data-driven decision-making. This role is not … s about fueling innovation and supporting exponential business growth. What You'll Do Innovate & Develop: Design, develop, and maintain high-performance, scalable, and secure Java applications that drive our business forward. Build Microservices: Architect robust microservices using Spring Boot and integrate asynchronous processing using Kafka or Message Queues. Database More ❯

Senior Java Developer - Gaming Industry - Hybrid Working - London - Up to £100,000 p/a Christopher Ali are recruiting on behalf of a well backed games provider targeting the Asian gambling market. They develop their own games and provide a white label platform which also aggregates a … number of 3rd party games suppliers together, supplying games and bespoke solutions to a numerous large operators in the market. As a Senior Java Developer, you will work at all stages of the product lifecycle from requirements capture, through design and implementation, to system testing and integration. … remote work based out of the London office. Mandatory skills and experience: Excellent problem solving and communication skills. At least three years of commercial Java development experience, with some experience in real money and/or social gaming industries. Significant technical contribution to complex software products. A degree in More ❯

Greetings, We currently have an urgent opening for a Senior Java Developer (Spark) with more than 8 Years of experience at Synechron in Belfast, UK. Job Role: - Senior Java Developer (Spark) Job Location- Belfast, UK About Company: At Synechron, we believe in the power … support you like we support each other. Choose a career with us and let’s pursue innovation, together. Job Description: Software Requirements: Expertise in Java (version 11 or higher) with 8-12 years of hands-on commercial development experience. Proficient in understanding and working with distributed systems, specifically technologies … technologies, particularly Kafka, is a plus. Experience in the financial services or banking sector is desirable. Overall Responsibilities: Design, develop, and maintain high-quality Java applications that meet business requirements. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of More ❯

Senior Java Analyst Developer/Technical Consultant £130,000 Plus Bens Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by … in functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using More ❯

Senior Java Developer 2 days per week in South Manchester Salary up to £60,000 + bonus Are you an experienced Java developer with a passion for building high-quality software? I'm looking for a skilled Software Developer to design, develop, and improve … software solutions that enhance technology capabilities for my market-leading client. What We’re Looking For: ✅ Solid experience with Java 18, Spring Boot microservices, RESTful APIs ✅ Ability to collaborate cross-functionally with product managers, designers, and engineers What You’ll Do: Develop and deliver scalable, high-quality software solutions More ❯

Senior Java Developer 2 days per week in South Manchester Salary up to £60,000 + bonus Are you an experienced Java developer with a passion for building high-quality software? I'm looking for a skilled Software Developer to design, develop, and improve … software solutions that enhance technology capabilities for my market-leading client. What We’re Looking For: ✅ Solid experience with Java 18, Spring Boot microservices, RESTful APIs ✅ Ability to collaborate cross-functionally with product managers, designers, and engineers What You’ll Do: 🔹 Develop and deliver scalable, high-quality software solutions More ❯

Java has grown to be the most prevalent and widely used programming language for years, and we are working on an opportunity for a senior Java developer to continue the great work Java does. You'll, as the senior, be working alongside another senior … management as well as managing the expectations of technical and non-technical stakeholders. In terms of the technical side, you'll get to use Java 12 in a Spring Boot format. You'll work within a GCP environment with the platform stack using Kubernetes on GCP, defined by Terraform More ❯

Low Latency, FX, Banking Location: London (On-site, 5 days a week) Full-time, permanent We are seeking a Senior Java Developer with expertise in Core Java, low-latency systems, and FX trading to join our team. This role is based on-site in the UK … practices in multithreading, memory management, and garbage collection tuning. • Collaborate with global teams to integrate systems and improve existing architectures. • Maintain and improve existing Java applications while ensuring code quality and security compliance. • Troubleshoot complex performance bottlenecks and implement optimizations Required Skills & Experience • Strong expertise in Core Java (Java 8+), including concurrency, collections, and JVM performance tuning. • Proven experience in low-latency, high-frequency trading systems. • FX trading domain knowledge with experience in pricing, risk, and execution systems. • Experience with multithreading, garbage collection tuning, and optimizing memory management. • Strong understanding of networking, TCP/IP, messaging More ❯

Senior Java Developer - FX Options Technology - VP - London About Citi As the world's most global bank, Citi gives you the tools to be a trailblazer. We're not just building technology; we're building the future of banking. With thousands of employees located around the globe … demonstrated passion for delivering FX technology in support of our FX business. Role Overview/What will you do: We are looking for a Java developer and technologist to take a hands-on role, contribute to the design and delivery of feature enhancements for our business, and be More ❯

Senior Java Developer We work with some of the UK's biggest companies and government departments to provide a pragmatic approach to technology, delivering bespoke software solutions and expert advice. This is a hands-on, client-facing role, offering the opportunity to be involved in the full … when it comes to your existing skillset, but we value the following: What are we looking for? 5+ years' experience in designing and developing Java-based applications. You're a problem-solver, pragmatically exploring options and finding effective solutions. An understanding of how to design and build well-structured More ❯

Join us as a Senior Trading Java Developer at Barclays, where you'll spearhead the evolution of our digital landscape, driving innovation and excellence. In this role, you will be performing activities related to the design, development, unit testing, deployment, support, and maintenance of an exciting transformational … high visibility. This ambitious initiative leverages a modern tech stack, offering a unique opportunity to make a significant impact. To be successful as a Senior Trading Java Developer , you should have: Strong experience in Java low latency programming. Experience building enterprise scale desktop and/or … contributor, they will be a subject matter expert within own discipline and will guide technical direction. Advise key stakeholders, including functional leadership teams and senior management on functional and cross-functional areas of impact and alignment. Manage and mitigate risks through assessment, in support of the control and governance More ❯