1 to 25 of 44 Senior Java Developer Jobs in the UK

Senior Java Developer Hybrid - 2 days onsite Our client, a leading enterprise organisation undergoing significant digital transformation, is seeking an experienced Senior Java Developer to join their high-performing engineering team. This is an excellent opportunity for a seasoned professional who thrives in complex … environments and enjoys working with modern Java technologies at scale. What you’ll bring: Proven experience in software design and development with Java-based technologies Experience in a senior developer or technical leadership role Strong, hands-on expertise with Java , Spring Boot , and microservices architecture ...

Senior Java Developer Role - Leading Internet of Things (IoT) Based Company - Hybrid/Once a week onsite in Central Reading based office - £70,000 - £90,000 DOE + Benefits Essential Exp: Java 11/17, Springboot, REST API's, Microservices, Kubernetes. Desirable Exp: ReactJS - this role … Backend Development with 10% Front End. G.R.E. Recruitment is delighted to partner with a leading IoT based Company who are looking to add a Senior Java Developer to their growing development team in Reading Town Centre. IoT isn't just a fancy buzz word, it connects ...

Senior Java Developer - Remote Working 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. … best practices in software engineering across teams and projects Key skills and experience: 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. ...

Senior Full Stack Java Developer Role - Leading SaaS Based Automation Company - Berkshire - Hybrid/Once a Fortnight onsite in Berkshire based office (Moving to new offices in Reading in March 2026 - 2 days onsite from March 2026) - Up to £80,000 + 10% Bonus + Benefits … Senior Full Stack Java Developer looking for a new challenge? Do you enjoy working across the full stack with Java and ReactJS? Would you like to work on hugely impactful business/mission critical automation platforms for iconic world brands? G.R.E. Recruitment is delighted to partner ...

Senior Software Developer ( Java ) - Edinburgh Hybrid - 100K plus 30% Bonus ***Candidates must have a strong knowledge of Data Structures and Algorithms/Hash Maps/HashTables and have used these in commercial settings*** Lorien's client, a great firm succeeding in one of the world's largest … markets, is looking to bring on board a Senior Java Developer to continue building up their central Edinburgh office (hybrid working; 3 office days per week, 2 WFH). You'll work closely with a cross-functional development team and put your skills to good ...

Senior Software Developer ( Java ) - Edinburgh Hybrid - 100K plus 30% Bonus ***Candidates must have a strong knowledge of Data Structures and Algorithms/Hash Maps/HashTables and have used these in commercial settings*** Lorien's client, a great firm succeeding in one of the world's largest … markets, is looking to bring on board a Senior Java Developer to continue building up their central Edinburgh office (hybrid working; 3 office days per week, 2 WFH). You'll work closely with a cross-functional development team and put your skills to good ...

Senior Java Developer/Low-Latency Developer Central London - Hybrid - 3 days on site, 2 days remote Inside IR35 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIX protocol integration to join their FX Options … optimising the trading platform , delivering ultra-low latency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems Implement and maintain FIX protocol connectivity for FX Options trading Work closely with Quants, Traders, and Risk teams to translate business ...

Senior Java Developer/Low-Latency Developer Central London - Hybrid - 3 days on site, 2 days remote Inside IR35 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIX protocol integration to join their FX Options … optimising the trading platform , delivering ultra-low latency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems Implement and maintain FIX protocol connectivity for FX Options trading Work closely with Quants, Traders, and Risk teams to translate business ...

Senior Java Developer - Leeds City Centre (Hybrid) Up to £60,000 | 4 Days in Office, Friday WFH | AI & Machine Learning I'm recruiting for a forward-thinking tech company based in Leeds City Centre that's transforming how retailers harness AI and machine learning to boost profitability … stay competitive in a rapidly evolving market. They're looking for an experienced Senior Java Developer to join their talented team of 7 engineers, reporting directly to the Engineering Manager. You'll play a pivotal role in developing intelligent, data-driven software used by major retail clients ...

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate … giving our development team the ability to make & influence architectural decisions. So, if you have strong Java coding skills, at a “Senior” level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. ...

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate … giving our development team the ability to make & influence architectural decisions. So, if you have strong Java coding skills, at a “Senior” level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. ...

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate … giving our development team the ability to make & influence architectural decisions. So, if you have strong Java coding skills, at a “Senior” level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. ...

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate … giving our development team the ability to make & influence architectural decisions. So, if you have strong Java coding skills, at a “Senior” level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. ...

scaling fast. They believe in clean code, strong ownership, and empowering their engineers to build with purpose. Now, they're looking for a Senior Java Developer with exceptional Java expertise to join one of their core development teams. The Role As a Senior Java Developer, you'll split your time between hands-on technical engineering alongside driving best practice and projects. What You'll Do Working primarily in Java (Spring Boot, Hibernate, etc.) Drive design and architecture decisions for scalable, secure, and performant systems Collaborate cross-functionally with Product, Design ...

Description Senior Java Developer Location: London - Hybrid (2 days per week on-site) Day Rate: Market Rate (Inside IR35) Duration : 6 Months Role Overview We are seeking a highly skilled Senior Java Developer to join a key digital transformation initiative … driven architectures, and cloud platforms—to build high-performance systems in a fast-paced environment. Key Responsibilities Develop, enhance, and maintain backend services using Java, Spring Boot, and Spring Security. Design and implement microservices and event-driven architectures using Confluent Kafka. Build, maintain, and optimize CI/CD pipelines ...

Senior Java Developer Swindon (Remote) Contract Role- Up to £575 inside IR35 (4 months Initially) iO Associates is working with a leading public-sector-backed organisation on a major digital transformation programme. Their platform is responsible for managing and distributing billions of pounds of innovation funding each … series of new initiatives, including increased automation, improved security, and the exploration of AI-driven solutions. They're now looking for an experienced Java Developer to join a collaborative, mission-led team building and supporting a large, high-availability platform used across the UK. The Role ...

Senior Java Developer Swindon (Remote) Contract Role- Up to £575 inside IR35 (4 months Initially) iO Associates is working with a leading public-sector-backed organisation on a major digital transformation programme. Their platform is responsible for managing and distributing billions of pounds of innovation funding each … series of new initiatives, including increased automation, improved security, and the exploration of AI-driven solutions. They're now looking for an experienced Java Developer to join a collaborative, mission-led team building and supporting a large, high-availability platform used across the UK. The Role ...

TITLE: Senior Java Developer SALARY: £70,929 - £86,691 per annum LOCATION(S): Chester, Halifax & Leeds HOURS: Full-time - 35 hours per week WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time … shape finance as a force for good. As we continue to invest in our people, platforms, and products, we're looking for passionate Senior Java Developers to help us create secure, scalable, and customer-first solutions. If you're someone who thrives in collaborative environments, enjoys solving meaningful ...

Senior Java Engineer Remote – £65k–£70k Java, Spring, Microservices, AWS I’ve partnered with a rapidly growing MedTech company that has expanded significantly across the UK, Ireland, and Europe. They’ve built a model that supports and enhances complex online healthcare platforms, and they’re best known … fact: they were among the first companies to introduce online doctor services, and their platform is now widely adopted across healthcare providers.As a Java Backend Developer, you’ll step into a role where each day brings both challenge and impact. You’ll architect new features, breathe life into ...

Senior Java Developer Role - Leading Internet of Things (IoT) Based Company - Hybrid/Once a week onsite in Central Reading based office - £70,000 - £90,000 DOE + Benefits Essential Exp: Java 11/17, Springboot, REST API's, Microservices, Kubernetes. Desirable Exp: ReactJS - this role ...

Title: Senior eFX Low Latency Java Developer Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert in low latency trading systems. This is a hands-on development role focused … systems for the eFX trading desk. Experience in eFX pricing is essential , including price construction and algorithmic trading . You'll work closely with Java and C# developers, business analysts, project managers, and QA teams to deliver high-performance solutions. A strong understanding of FX trading, low latency architecture ...

Senior Java Developer - Leeds City Centre (Hybrid) Up to £60,000 4 Days in Office, Friday WFH AI & Machine Learning I'm recruiting for a forward-thinking tech company based in Leeds City Centre that's transforming how retailers harness AI and machine learning to boost profitability ...

Senior Java Developer Swindon (Remote) Contract Role- Up to £575 inside IR35 (4 months Initially) iO Associates is working with a leading public-sector-backed organisation on a major digital transformation programme. Their platform is responsible for managing and distributing billions of pounds of innovation funding each ...

Senior Back-End Developer, Java Spring Boot, Hybrid, COR7370 Are you a skilled Back-End Developer with strong Java Spring Boot expertise, looking for your next challenge? Join a forward-thinking team shaping the future of AI-powered solutions. The Role As a Senior Back-End Developer, you’ll design and maintain scalable, secure, and high-performing services using Java Spring Boot. You’ll build and optimise RESTful APIs, work closely with front-end teams to deliver seamless integrations, and ensure robust database management. With opportunities to experiment with AI-driven ...

client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Senior Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used … environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot * Create and maintain APIs and integrate with secure relational databases (PostgreSQL/MySQL) * Collaborate with cross-functional teams including product managers ...