1 to 25 of 49 Senior Java Developer Jobs in the UK

Senior Java Developer | Java, Spring, AWS | Salary up to £75k | Remote (UK) | Immediate Start Role: Senior Java Developer Location: Remote (UK) Start Date: Must be able to start immediatlely Salary: Up to £75k About The Role Our partner is looking for a Senior Java Developer to join their high-performing … ll be involved in building clean, robust APIs and backend services with a strong focus on cloud deployment, scalability and performance. Responsibilities Designing, building and maintaining backend services using Java (Spring/Spring Boot). Delivering scalable APIs and microservices hosted on AWS. Contributing to architectural decisions and technical designs. Collaborating with cross-functional teams in an Agile environment. … Driving best practices around testing, clean code and CI/CD pipelines. Mentoring junior developers and contributing to knowledge sharing. Requirements Strong commercial experience in Java development, ideally in product or platform teams. Strong knowledge of Spring Framework/Spring Boot. Hands-on experience with AWS for deployment, configuration and monitoring. Comfortable with RESTful API design and development. Solid More ❯

Senior Java Developer - 70K Location: West Midlands Industry: IT Salary: £60,000 - £70,000 per annum + Pension, Health, Gym Posted: 27/08/2024 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 needed - £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 requirements analysis to release management and support. What You'll Do Work with the wider project team, engaging with … PM & Business Analysts and communicating the technical project requirements Develop and unit test Java software applications Contribute to the customer-driven proactive roadmap, introducing innovations for new digital services Report directly to the Principal Engineer Required Skills and Experience A solid background in software development Experience in senior roles within teams or projects Expertise in Java, Spring More ❯

Senior Java Developer - Remote Working - SC Cleared Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging in the entire software development lifecycle … projects Key skills and experience: Previous experience working within a consulting organisation or the public sector is essentail Must be either SC cleared or eligible Experience working as a Java Developer Java development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. More ❯

Vacancy for Senior Java Developer at The National Archives Vacancy for Senior Java Developer at The National Archives 20 December 2021 Remote, Kew Up to £700 per day Fixed Term An experienced Java developer is required to design, implement and test improvements to the performance and features of the DROID file identification … tool, starting with enabling DROID to be integrated with cloud-based workflows. The specialist will be the only developer actively working on DROID. The wider team is a Product manager, Technical Architect, Lead and Senior Developers (available for discussion of technical options, code review, acceptance). The specialist will have access to users: Digital Archivists (users of the More ❯

Senior Java Developer Payments & Fintech (Remote, UK-Based) Were looking for a talented Senior Java Developer to lead the development of a high-impact payment orchestration platform. If you're passionate about building scalable, secure, and maintainable systems, and enjoy modernising legacy architecture, this is the role for you. As part of a fast … UK and India to deliver robust payment solutions that integrate with leading providers like Stripe, PayPal, Adyen, GoCardless, and more. What Youll Do: Lead the design and development of Java-based applications hosted on AWS. Modernise existing architecture (Java servlets and SQL) and advise on future frameworks to boost velocity and scalability. Improve code quality and maintainability through … and infrastructure teams to resolve issues and maintain PCI DSS Level 1 compliance. Guide offshore development teams and contribute to team structure and hiring decisions. Tech Stack & Tools: Languages: Java Infrastructure: AWS, Docker, Bitbucket Pipelines, Tomcat, Debian/Amazon Linux CI/CD: Bitbucket Pipelines Compliance: PCI DSS Level 1 What Were Looking For: 5+ years of Java More ❯

Technical Team Lead - Java/JEE Developer (Senior) Contract Test Triangle Ireland Posted On 24/06/2025 Job Information Technology City Kildare State/Province Kildare R51 Job Description Job Title: Technical Team Lead - Java/JEE Developer (Senior) - Candidates must be willing to work from this location. - Blended offsite/onsite … public holidays observed in the Republic of Ireland. Mandatory Requirements (Pass/Fail): ü Experience Level: The candidate must have more than 7 years of relevant Technical Team Lead - Java/JEE Development experience at a senior level. ü Availability: The candidate must be available to commence work from 3rd November 2025. ü English Language Proficiency: The candidate … both spoken and written English. The following non-exhaustive list of Key Deliverables are applicable to this Role. The role of the Technical Lead will be as per the Senior Java Developer role description. In addition to this, the Technical Lead will provide direction and leadership to the development team towards a common technical vision in the More ❯

Exclusive 12-Month Contract Role Title: Senior Java Developer Location: City (3 days in office) Rate: £750 per day (umbrella) Start date: 1st September Duration: 12-months We are working exclusively with a major Financial Services business to provide a Senior Java Developer for a greenfield project. This project involves rearchitecting a trade capture … system, transitioning logic from Murex to a newly developed Java environment. Key Responsibilities: Design and develop high-performance Java applications. Rearchitect the trade capture system, ensuring seamless integration with existing systems. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. … Requirements: Extensive experience with Java 11+. Proficiency in distributed cache technologies such as EhCache, Redis, or Hazelcast. Significant experience in parallel processing. Strong background in Financial Services, with a preference for candidates who have worked in a post-trade environment. Experience with Kafka. Familiarity with Murex is an advantage. Knowledge of post-trade systems, including trade processing and trade More ❯

Are you ready to take the next step in your career as a Senior Java Developer? Join one of the world's leading IT services, consulting, and business solutions organization. Founded in 1968, the company consistently ranks among the top global IT service providers. With a presence in over 50 countries, the company has built a reputation … quality technology services across industries including banking, healthcare, telecommunications, and retail. The leading consultancy firm partnered with a global front-office technology team and is looking for a skilled Senior Java Developer to focus on modernising a real-time, event-driven system while improving scalability to accommodate increasing business event processing and data volumes. Want to be … part of a team that thrives in excellence? Feel free to reach out and apply today! Responsibilities: Design, develop, and maintain high-performance, scalable, and secure Java applications. Write clean, efficient, and maintainable Java code following best practices. Develop microservices using Spring Boot. Handle asynchronous processing using Kafka or Message Queues (MQ). Design and optimize database schemas More ❯

Job Description Senior Java Developer Location: Newcastle Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including no periods of 30 consecutive days or more spent outside of the UK) at the point of application. Other Security Clearance requirements may be applicable … and deliver value provides an unparalleled opportunity to grow and advance. How best to develop your skills and hone your talents within an innovative technology environment. Qualification As a Senior Java Developer, you will: Advocate for and employ good development practices on the team such as consistent branching strategy, coding standards, Test Driven Development, Continuous Integration and … Support the team in delivering features by expanding capabilities into other areas of development and testing. The following skills and experience are essential for this role: Strong experience in Java 8 to 17. Proven background in Spring/Spring Boot/Spring MVC JavaScript Current hands-on experience of Java Development Ability to mentor and develop junior developers. More ❯

Senior Java Developer, RDBMS, API’s, REST £65,000 - £75,000 Edinburgh (remote first) My client, an established Software company, a true leader in their industry, is keen to hire a Senior Java Developer to join the core development team. With a focus on backend technologies, you will be responsible for designing, implementing and … optimised for database performance and mentor junior developers and promote knowledge sharing to enhance team skills and productivity. Degree educated, the ideal candidate will possess a deep understanding of Java enterprise development, a strong command of backend technologies and is proficient in writing and optimizing SQL queries and database schemas. You must possess strong experience with relational databases such More ❯

Senior Java Developer Contract - Analytics/Risk/PnL/Caching/AWS/PostgreSQL/Kafka/TDD Our leading investment banking client is looking for a Senior Java Developer to join them on an initial 12 month contract. Skills Required Derivatives, risk management and trading, market risk Market Data Financial Market exp … Investment Banking development experience Java 17+ dev experience Apache Kafka Postgre SQL Contract - Central London based - flexible working - paying market leading rates By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice to understand how we process this information. In short, in order to supply you with More ❯

Are you an experienced Java developer who is interested in building large scale distributed systems, surrounded by a talented team who you can both learn from as well as contribute? As a senior Java developer, do you enjoy learning about the business your team supports so that you can help ensure the products you build … workforce in engineering, embracing open-source and having already deployed AI across their teams, they are much more tech driven than you might think. If you are an experienced Java engineer and would like to grow your career in one of the best companies in their domain and meet the following criteria, we'd love to hear from you … Degree in a STEM subject Minimum of 3+ years of commercial experience building great software Solid commercial experience of Java and a strong understanding of good system design Excellent communication skills A curiosity to learn This role is office based, so you should expect to be in-office 4-5 days per week. If you are a mid to More ❯

Join us as a Lead Java developer in Private Bank & Wealth Management (PBWM) to build a sustainable data platform infrastructure to support the multiple channels of their business areas. This is an exciting period in PBWM technology where there are many strategic programmes to re-build our services and modernise our development practices to ensure our architecture supports … to regulatory, colleague, digital, client reporting and analytics channels that are compliant with GDMS data controls, and technology governance controls of the bank. To be successful as a Lead Java Developer, you should have the following skills/experience: Strong experience as a Java developer with a deep understanding of core Java concepts, modern frameworks More ❯

Job Title: Senior Java Developer - Electronic Trading Location: London A leading global financial firm is looking for a skilled Java Developer to join their Electronic Fixed Income team. You'll help build and improve fast, reliable trading systems that connect to global markets. What You'll Do Develop and improve electronic trading systems with a … technology. Support and improve existing trading tools. Solve technical problems and boost system performance. What You'll Need Strong experience in trading systems, 5+ in eTrading. Strong skills in Java , multi-threading, and low-latency development. Good understanding of fixed income or FX trading . Experience with Linux , TCP/UDP , and performance tuning. Familiar with test-driven development More ❯

E-Trading Fixed Income - Senior Java Developer | London (Hybrid) | 6-12 month contract We are partnered with a leading investment bank who is hiring a Java Developer with strong expertise in electronic trading systems to join their e-Fixed Income team in London. You'll play a key role in developing high-performance, low-latency … trading platforms and integrating TransFICC connectivity. We're looking for someone with extensive experience in the e-trading field and deep knowledge of Java , low-latency programming , and multi-threaded systems . You'll work closely with traders, quants, and analysts to deliver robust, scalable solutions. Key Requirements: Extensive experience with electronic trading is a must. Strong Java More ❯

E-Trading Fixed Income - Senior Java Developer | London (Hybrid) | 6-12 month contract We are partnered with a leading investment bank who is hiring a Java Developer with strong expertise in electronic trading systems to join their e-Fixed Income team in London. You'll play a key role in developing high-performance, low-latency … trading platforms and integrating TransFICC connectivity. We're looking for someone with extensive experience in the e-trading field and deep knowledge of Java , low-latency programming , and multi-threaded systems . You'll work closely with traders, quants, and analysts to deliver robust, scalable solutions. Key Requirements: Extensive experience with electronic trading is a must. Strong Java More ❯

Senior Full Stack Java Developer (100k-120k plus benefits and bonus) This is a hybrid role, 2 days in the office, 3 days remote What the role offers: Competitive salary with growth opportunities. Opportunity to work on cutting-edge fintech solutions. A collaborative and supportive team environment. Exposure to a wide range of technologies and the chance … to building high-performance solutions for investment professionals. Our small, close-knit team thrives on collaboration, innovation, and technical excellence. As we expand, we're looking for a talented developer to join our team and play a crucial role in shaping our platform. Role Overview: As a Full Stack Java Developer, you will work across the full … stack, collaboratively contributing to front-end, back-end, system architecture, and infrastructure. You will be responsible for designing and developing scalable, robust software solutions using Java, with a focus on system design and performance. AWS experience is a plus, and financial industry knowledge would be beneficial but not required. Key Responsibilities: Work on full-stack development, including front-end More ❯

Senior Java Developer | Aviation Sector – £80k + Bonus Java, Spring, Microservices, AWS I’ve teamed up with a cutting-edge travel tech disruptor that’s helping some of the world’s biggest airlines reshape how they sell their services! They're turning flights into fully flexible, customer-centric retail experiences, putting more control back into the … seen on third-party platforms like Booking.com or Skyscanner. They handle bookings, upgrades, and extras in real time across every channel, with modern, secure tools built for scale.As a Java Engineer, you’ll be joining a high-performing full-stack team that’s transforming a global airline tech platform into a cutting-edge SaaS product. You’ll be hands … on throughout the development lifecycle: estimating, coding, debugging and building next-gen capabilities that power the future of airline e-commerce. What you need: Solid backend engineering skills in Java Experience working with airline systems - GDS or PSS integrations are a big plus A proactive mindset and collaborative spirit What's on offer? You’ll earn between £70k and More ❯

Senior Java Developer - Glasgow - Investment Banking - Data/Spring/Linux/SQL/SDLC/Equity Primary responsibilities: The developer will work within an agile squad developing within a system comprising of numerous Java services that interact via messaging to produce the product outputs in Real Time. Technologies and techniques such as highly multi … threaded Java, Sharded Mongo DB and caching are used in the stack to provide the scale and performance that the product requires. Skills: - Core Server Side Java including Data Structures and Concurrency - Spring, Junit - Linux - Relational Databases (Sybase and/or DB2 is preferable) with ability to write SQL queries - Understanding of message-based architectures - Good Problem solving … by the applications - Knowledge and desire to use agile software development practices Skills Desired: - JMS, MQ, Kafka - MongoDB - Knowledge of a range of common Open Source libraries used in Java development - Database performance tuning (relational and document) - Python/Shell Scripting - Financial domain knowledge (eg Equities) Glasgow based - hybrid - Inside IR35 By applying to this job you are sending More ❯

A brand new Senior Java Developer position is coming up with a well known name in the fintech space, working specifically in their payments team. This is a permanent position with a salary of up to £90k, and will be hybrid with 1 day a week in Central London. I'm looking to speak with Engineers from … a solid Java background, who are looking to on a new challenge in a challenging yet rewarding environment. Prior experience of payments is not essential, but will be beneficial. Tech skills required: Java 17+ Springboot Microservices API integration Docker/Kubernetes Terraform - desirable AWS There will be a 2 stage interview process for this position. If interested, please More ❯

We are looking for a Senior Java Developer to join a team working for our UK-based client - the national mapping agency for Great Britain and a global leader in geospatial data and digital mapping solutions. You will be part of a project focused on building a comprehensive digital map of underground assets in the UK, contributing … product owners, and frontend teams to build and optimize services that handle large volumes of data, including - though not exclusively - geospatial datasets. Responsibilities: Develop and maintain backend applications using Java and Spring Boot Framework Design and implement RESTful APIs , microservices , and asynchronous processing logic Build scalable, secure, and cloud-native solutions using Microsoft Azure services (e.g. Azure Functions, App … reviews, system design sessions, and documentation (Bonus) Work with geospatial data and services when needed (e.g. GeoJSON, spatial queries, Azure Maps) Requirements: Solid professional experience developing backend systems in Java Hands-on experience with Spring Boot, Hibernate and REST API development Proficiency in Azure cloud services (Azure App Service/Azure Kubernetes Service) and deployment pipelines Familiarity with microservices More ❯

One of the UKs most iconic omni-channel retailers is looking for a Senior Java Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms … with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend services Champion … take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams More ❯

Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer ?" who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and C# .net framework coupled with SQL Server. … retail business acumen, and customer focus. · Provide governance for troubleshooting complex system issues as necessary · Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. · Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: · 5+ years of senior technical … lead. · 5+ years of strong hands-on experience as a developer working on JAVA or .NET Framework standards and technologies - C#.NET, ASP.NET, AngularJS, SQLServer, Web Services, Cloud Platforms, AJAX, JQUERY, XML/JSON, HTML, CSS · Retail/digital technology experience is essential · Experience in SalesForce Service and Marketing Clouds · Safety Knowledge: · Provides a consistent outstanding role model in More ❯

About the Role: We are seeking a Senior Java Developer/Lead who could drive technology transformation in the team. This role involves taking ownership of key projects and components throughout the entire Software Development Life Cycle (SDLC). A primary focus will be on design, development & maintenance of components under Price Master Central systems which would … require expertise in Java, Spring, SQL, API development, Kafka, Kubernetes, and Cloud technologies. You will guide & mentor team of engineers, providing technical expertise and direction, and ensure adherence to best practices. A strong understanding of system and enterprise architecture is essential. You will collaborate with global and diverse teams, including Business Analysts, Project Management, Production Support, and Infrastructure. Price … of Applications Development Ability to adjust priorities quickly as circumstances dictate Demonstrated leadership and project management skills Consistently demonstrates clear and concise written and verbal communication Strong command on Java (Core, JDBC, MT, Collections, I/O), Spring Boot, REST, GraphQL web services Sound understanding of SQL/PL-SQL on Oracle DB Extensive working knowledge on container platform More ❯

Senior Java Engineer - Belfast (Hybrid) Up to £80,000 + Exceptional Benefits Backend Java Global Impact Flexible Working MCS are delighted to be partnering with a forward-thinking global tech leader. This company is hiring for a Senior Software Engineer to join a highly collaborative engineering team tackling critical backend challenges. This is your chance to … work on services used by some of the most recognisable global brands. What You'll Be Doing Designing and implementing backend microservices using Java and Spring Boot Building and refining RESTful APIs that power secure, real-time payment flows Writing clean, testable code with a focus on quality, performance, and reliability Leading on feature analysis, architecture decisions, and release … planning Contributing to peer reviews, automated testing, and continuous integration Mentoring Junior Developers What You Bring Extensive experience as a backend or full stack engineer Strong skills in Java and Spring Boot Proven background in scalable microservices architecture and REST APIs Test-driven development mindset with attention to quality and security Experience with agile methodologies and continuous delivery Ability More ❯