1 to 25 of 49 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 Solid experience building REST APIs and working with containerisation tools such as Kubernetes or OpenShift Strong RDBMS skills and experience … edge enterprise platforms Collaborative, Agile environment with strong technical leadership Long-term project stability and excellent career visibility Competitive rates/salary based on experience If you're a Senior Java Developer ready to step into a role with real impact, we'd love to hear from you. Senior Java Developer Due to the More ❯

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 Solid experience building REST APIs and working with containerisation tools such as Kubernetes or OpenShift Strong RDBMS skills and experience … edge enterprise platforms Collaborative, Agile environment with strong technical leadership Long-term project stability and excellent career visibility Competitive rates/salary based on experience If you’re a Senior Java Developer ready to step into a role with real impact, we’d love to hear from you. Senior Java Developer Due to the More ❯

Senior Java Developer/Tech Lead – Contract Opportunity Start Date: ASAP Locations: Manchester Hybrid Working: 2-3 days on-site Rate: £800 per day + expenses IR35: In Scope Screening: BPSS (Basic Disclosure) A fantastic opportunity has arisen for an experienced Senior Java Developer/Tech Lead to join a high-performing digital delivery … environment. This role is ideal for someone passionate about engineering excellence, modern software delivery practices, and leading teams to build scalable, reliable, and secure services. As a Senior Java Developer/Tech Lead, you will provide technical direction and hands-on expertise while supporting and mentoring a team of Java Developers. You will work across backend … high-traffic platforms, and large-scale data environments, helping to drive best practice and continuous improvement across the engineering function. Key Responsibilities Lead, mentor, and support a team of Java Developers. Design, build, and maintain APIs for internal and external use. Develop automated test suites and contribute to CI/CD and continuous deployment pipelines. Provide 2nd-line technical More ❯

Senior Java Developer Role - Leading Internet of Things (IoT) Based Company - Hybrid/Once a week onsite in Central Reading based office - £70,000 - £80,000 DOE + Benefits Essential Exp: Java 11/17, Springboot, REST API's, Microservices, Kubernetes. Desirable Exp: ReactJS - this role is 90% 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 the world around us from things you wouldn't even think about and helps to serve the betterment of … is literally everywhere, all around us and most people aren't aware of IoT as it seamlessly blends into our everyday lives. For this role I am looking for: Senior Java Developer - 5yrs+ exp with Java, REST API's, Microservices, Kubernetes with a little bit of ReactJS exp - £70,000 - £80,000 You'll be joining More ❯

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. Responsibilities: Engaging in the entire software development lifecycle, from gathering … Advocating for and contributing to 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. More ❯

x Senior Java Developers Front Office Banking London I have 3 new exclusive opportunities for Front Office Java developers to join a thriving bank as they are building out their Front Office Java development team- 3 headcount- as part of growth and development. The bank area is Front Office pricing and risk, and we can look … at any front office Java developers Role details Role title: Senior Java developer/Java software engineer Employer: investment bank Front Office banking: Platform pricing and risk Location: London City (Liverpool Street station) and home working hybrid 50%/50% Permanent roles- 3 roles £90,000- £130,000 plus bonus Requirements: excellent java developer … with pricing, and risk especially beneficial These new hires are a part of a growth plan for the front office area of this investment bank as they expand their java development skills. As the senior java developer, you will be hands on with Java 21 working with front office risk teams, trading desk, quants and More ❯

x Senior Java Developers Front Office Banking London I have 3 new exclusive opportunities for Front Office Java developers to join a thriving bank as they are building out their Front Office Java development team- 3 headcount- as part of growth and development. The bank area is Front Office pricing and risk, and we can look … at any front office Java developers Role details Role title: Senior Java developer/Java software engineer Employer: investment bank Front Office banking: Platform pricing and risk Location: London City (Liverpool Street station) and home working hybrid 50%/50% Permanent roles- 3 roles £90,000- £130,000 plus bonus Requirements: excellent java developer … with pricing, and risk especially beneficial These new hires are a part of a growth plan for the front office area of this investment bank as they expand their java development skills. As the senior java developer, you will be hands on with Java 21 working with front office risk teams, trading desk, quants and More ❯

x Senior Java Developers Front Office Banking London I have 3 new exclusive opportunities for Front Office Java developers to join a thriving bank as they are building out their Front Office Java development team- 3 headcount- as part of growth and development. The bank area is Front Office pricing and risk, and we can look … at any front office Java developers Role details Role title: Senior Java developer/Java software engineer Employer: investment bank Front Office banking: Platform pricing and risk Location: London City (Liverpool Street station) and home working hybrid 50%/50% Permanent roles- 3 roles £90,000- £130,000 plus bonus Requirements: excellent java developer … with pricing, and risk especially beneficial These new hires are a part of a growth plan for the front office area of this investment bank as they expand their java development skills. As the senior java developer, you will be hands on with Java 21 working with front office risk teams, trading desk, quants and More ❯

x Senior Java Developers Front Office Banking London I have 3 new exclusive opportunities for Front Office Java developers to join a thriving bank as they are building out their Front Office Java development team- 3 headcount- as part of growth and development. The bank area is Front Office pricing and risk, and we can look … at any front office Java developers Role details Role title: Senior Java developer/Java software engineer Employer: investment bank Front Office banking: Platform pricing and risk Location: London City (Liverpool Street station) and home working hybrid 50%/50% Permanent roles- 3 roles £90,000- £130,000 plus bonus Requirements: excellent java developer … with pricing, and risk especially beneficial These new hires are a part of a growth plan for the front office area of this investment bank as they expand their java development skills. As the senior java developer, you will be hands on with Java 21 working with front office risk teams, trading desk, quants and More ❯

Senior Java EFX Platform Developer Location: Fully Remote (UK-based) Contract: 12 Months (likely extension) Industry: Investment Banking/FX E-Trading The Opportunity We're partnering with a leading investment bank on a major greenfield build - a brand-new, in-house FX E-Trading platform . This multi-year programme is at an early stage, offering … Contract - Long-term engagement with strong potential for extension. * 🚀 Greenfield Build - Influence architecture, design, and key technical decisions from the outset. * ⚙️ High-Performance Systems - Develop low-latency, multi-threaded Java components in a front-office trading environment. The Role As a Senior Java Developer , you'll design, develop, and optimise core components of a next-generation … FX E-Trading platform, including: * Pricing and distribution * Auto-hedging * Market intelligence and reporting * Integration with existing trading infrastructure You'll collaborate closely with other senior developers, architects, and business stakeholders in a highly agile and delivery-focused environment. Key Skills & Experience * 10+ years' experience as a Java Developer in investment banking * 4+ years' experience working on More ❯

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 Are you a 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 with a leading SaaS based Automation Company who are looking to add a Senior Full Stack … Java Developer to their dynamic scaling development team. These roles will initially be once a fortnight in the Berkshire based office as they plan to move to new offices in Reading - then it will be twice per week in the office from March 2026. For this role I am looking for a Senior Full Stack Java More ❯

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 technology team. You will play a hands-on role in … modernising and 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 requirements into high-performance solutions Take ownership of … and provide technical leadership within the development team Collaborate with cross-functional teams on architecture, design, and deployment of trading solutions Required Skills 5-10 years' experience as a Java Developer in front-office or trading environments Strong Java Core , multi-threading , and concurrent programming experience Proven experience with low latency system design and optimisation Hands-on More ❯

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 technology team. You will play a hands-on role in … modernising and 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 requirements into high-performance solutions Take ownership of … and provide technical leadership within the development team Collaborate with cross-functional teams on architecture, design, and deployment of trading solutions Required Skills 5-10 years' experience as a Java Developer in front-office or trading environments Strong Java Core , multi-threading , and concurrent programming experience Proven experience with low latency system design and optimisation Hands-on More ❯

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 and 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 across the UK, Europe, North America, and Australia. The Opportunity This is a hands-on senior role - ideal … data scientists and product specialists to deliver scalable, high-performance software solutions that integrate the latest AI and ML technologies. Tech Stack & Tools Essential Skills: 8+ years' experience in Java development (commercial) Strong expertise in Spring/Spring Boot Solid experience with Hibernate Desirable Skills: Python or R - exposure to data or ML integration SQL - for data management and More ❯

cutting-edge technologies, and they are 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, and DevOps to deliver high-impact features Conduct code reviews, establish coding standards, and promote engineering … best practices Continuously improve team workflows and development processes What They're Looking For Good expertise in Java and JVM-based systems (3+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing, and performance optimization Excellent communication, leadership, and decision-making skills A mindset More ❯

LocationBloomsbury Square, London, United Kingdom# Senior Java Developer at N Consulting LtdLocationBloomsbury Square, London, United KingdomSalary£400 - £450/dayJob TypeContractDate PostedSeptember 12th, 2025Apply NowWork mode: Hybrid, Office location will be Bishopsgate, London Contract duration: 6 months Location: London - JOB DETAILS Role Title: Senior Developer We are seeking a highly skilled and experienced Senior Developer with deep expertise in AWS BluAge modernization tools, Java Spring Boot, and Apache Kafka. The ideal candidate will play a key role in modernizing legacy applications, building scalable microservices, and implementing real time data pipelines. Must have technical skills: AWS BluAge Kafka Java Springboot Nice to have skills: Good to have some knowledge on banking More ❯

Senior Java Developer (Must have exposure to Azure and prior government experience) 12 month fixed term contract The Company At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration, where … minimise risk and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Your Role We’re looking for a talented and driven Senior Java Developer to join our growing team. You’ll be instrumental in building robust, scalable backend systems using modern technologies and cloud platforms. If you’re passionate … about clean code, distributed systems, and continuous delivery, we want to hear from you. What You’ll Do Design and build scalable backend services using Java and Spring Boot, with a strong focus on performance, reliability, and maintainability Develop and deploy cloud-native applications on Microsoft Azure, leveraging best practices in distributed systems and microservices architecture I mplement asynchronous More ❯

a dedication to solving clients’ toughest technology problems, and a commitment to continuous improvement. Backed by Goldman Sachs Asset Management and Everstone Capital, Apexon now has a global presence. Senior Java Developer Role Overview: We are seeking a skilled Java Developer with deep experience in building modern, scalable applications using Java, Spring Boot, microservices … PostgreSQL, and Kafka . The ideal candidate thrives in a fast-paced environment and enjoys solving complex technical challenges. Responsibilities Design, develop, test, and deploy robust Java-based applications using Spring Boot and microservices architecture. Build, integrate, and maintain RESTful APIs, leveraging PostgreSQL for persistent storage solutions. Collaborate with cross-functional teams to define, design, and deliver new features. … in code reviews and promote best software development practices. Maintain technical documentation related to architecture, databases, and design. Requirements Min 6 years experience in below skills Strong proficiency in Java, Spring Framework, Spring boot, RESTful APIs, Postgres, Apache Kafka Development Strong proficiency in deploying applications via CI/CD pipelines including (Chef, Jenkins, Sonar, Checkmarx, Maven, Gradle) Proficiency in More ❯

Java Developer - Inside IR35 (2 Days On-site, Telford) Contract | Central Government Project | Hybrid Working Must be able to obtain SC We're seeking an experienced Java Developer to join a high-performing delivery team within a large-scale central government modernisation programme . You'll work as part of an Agile Scrum team made up … of Java Engineers, Front-End Developers, and Quality Engineers, contributing to the transformation of legacy systems into scalable, cloud-based services. Location: Telford (2 days on-site per week) Contract: Inside IR35 Sector: Central Government/Public Sector Duration: Ongoing contract Key Responsibilities Develop, enhance, and maintain Java-based microservices and APIs Build and test RESTful APIs using … high-quality software solutions Write clean, maintainable code following best practices in secure development Support continuous integration, testing, and deployment activities Essential Skills & Experience Strong hands-on experience with Java and Spring Boot Solid understanding of REST API development and JSON Proficiency in JUnit for unit testing Experience deploying microservices using Kubernetes Proven background working in complex technical environments More ❯

Senior Java Software Engineer Watford/Hybrid Salary - £70,000 - £80,000 + Excellent benefits We’re looking for a talented Senior Java Engineer with a passion for clean code, elegant architecture, and efficient delivery. This is a hands-on role focused on developing a cloud-native platform and its foundational services—mission-critical components that … support a modern workforce management software stack. You’ll work primarily with Java, building robust, secure, and scalable applications. As part of a small, elite team, you’ll have the freedom and responsibility to shape the future of the platform. 🔧 Key Responsibilities • Deliver best-in-class Java platform code with a strong focus on architecture and design. • Build … current with industry trends in software development, infrastructure, architecture, and security. 🧠 Skills & Experience • Proven experience delivering complex software solutions (HR software experience is a plus). • Deep expertise in Java, object-oriented design patterns, multi-threading, and asynchronous paradigms. • Familiarity with Spring, Git, Postgres, MongoDB, and JavaScript. • Comfortable designing APIs and working within cloud-native architectures. • Experience writing performant More ❯

Senior Java Developer Role - Leading Internet of Things (IoT) Based Company - Hybrid/Once a week onsite in Central Reading based office - £70,000 - £80,000 DOE + Benefits Essential Exp: Java 11/17, Springboot, REST API's, Microservices, Kubernetes. Desirable Exp: ReactJS - this role is 90% Backend Development with 10% Front End. . click 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 ❯

Our 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 to drive sensitive data discovery, redaction, and secure archiving … in a secure, client-focused 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, architects, and public sector stakeholders … Participate in code reviews and produce clear internal documentation * Apply innovation to AI-driven projects used across government departments What we're looking for: * Minimum 7 years' experience in Java Development * Strong experience with both front-end (React/JavaScript/TypeScript) and back-end (Java, Spring Boot) technologies * Proven experience designing, building and testing end-to-end More ❯

Role Title: Senior Java Microservices AWS Developer Location: London, UK -Hybrid (2 days on-site per week) Day Rate: £510 Inside IR35 Duration: 6 months The Role As a Senior Java Microservices AWS Developer, you will be responsible for the design and development of web applications using Java and AWS Serverless Architecture (Lambda … Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, CodeBuild, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, and S3). Key Responsibilities Design and develop web applications using Java and AWS technologies. Integrate and manage AWS services such as EC2, S3, Lambda, and RDS. Develop code deployment strategies and CI/CD pipelines. Design and build robust, scalable … to uphold code quality and standards. Take full ownership of feature development from design through to production. Your Profile Essential Skills & Experience Minimum of 10 years' relevant experience. Strong Java server-side concurrent programming skills with Spring Boot (Core Spring) and JUnit. Good understanding of message-based architectures (MQ/Kafka). Proven proficiency in AWS Serverless Architecture (Lambda More ❯

and Chicago. We pride ourselves on a diverse, friendly, dynamic culture - with a focus on internal promotion and developing our people. Scope of Role ITRS Group is looking for Senior Java Engineer in London. Reporting to our Engineering Manager, you will sit in the Platform Team and form part of a wider global Engineering Team. The Core Platform … team in anticipation of wider customer adoption through 2025. Our role offers a permanent, full-time position working from our London office on a hybrid work schedule. As a Senior Java Software Engineer, you will: Participate in all phases of the product lifecycle, including design, development, documentation, testing, integration, deployment, and ongoing support. Participate in mentoring relationships - both … ongoing personal growth. There will always be opportunities requiring it. We have an ambitious L&D policy to support your learning and growth Requirements You are predominantly a backend Java developer with at least 7 years of experience building complex distributed systems. You have built applications from the ground-up with a deep understanding of core Java More ❯