Average Java Developer salary in the UK

Java Back End Developer - Join a High-Impact Engineering Team Location: Guildford (Hybrid) Salary: Up to £65,000 Why this role matters: Imagine building back-end systems that support global telecom operations, at a company backed by investment and primed for growth. You’ll be joining a team where your code isn’t just another feature -it’s core infrastructure. If you’re passionate about scalability, performance and building systems that run at a global scale, this is your platform. What you’ll be doing: Design, develop and maintain backend services and micro-services using Java (ideally Java 11+) that power high-availability systems.Work closely with engineering, data, product and operations teams to architect solutions that serve thousands (if not millions) of users or devices.Take accountability for performance: integrate databases and APIs, identify bottlenecks, tune memory and responsiveness, ensure redundancy.Deploy and operate in cloud-based environments (AWS, GCP or similar), use containerisation (Docker/Kubernetes) and implement CI/CD pipelines to deliver fast, reliable software.Troubleshoot live systems and distributed architectures—when things go wrong, you’ll help dig in, learn what happened, and drive improvements.Be part of the engineering culture: participate in code reviews, mentor peers, suggest improvements, push best-practice. What we’re looking for: 4 + years of strong hands-on experience in backend Java development (Spring Boot / Spring Framework is a strong plus).Proven track record building RESTful APIs and working with microservice architectures.Experience with distributed systems, messaging stacks (Kafka, RabbitMQ, Pub/Sub or equivalent), and a firm grasp of OOP, networking, memory/performance concerns.Cloud experience (AWS, GCP, Azure) and familiarity with containers (Docker, Kubernetes) + CI/CD pipelines.Proficient in SQL and/or NoSQL database technologies (PostgreSQL, MongoDB, Cassandra or similar).Excellent communicator—able to work across teams, clearly articulate technical trade-offs, and influence architecture decisions.Bonus (but not required): telecom domain experience (OSS/BSS, network APIs, SMPP/SIP), Kotlin exposure, event-driven systems (CQRS, event sourcing). What’s in it for you: Work in a team focused on impact: your contributions matter and you’ll see the results.Clear path for growth: as the organisation scales, there’s real opportunity to step into leadership or architecture roles."Team First" culture: a company committed to wellbeing, diversity, inclusion and equal opportunity.Excellent location and hybrid working model - giving you flexibility with the structure of a strong base. Ready to make your mark?: If you’re looking to for a new adventure, working in a high-performing team and building systems at scale -this is the role for you. Send your CV to Jonothan Bosworth and we’ll arrange a quick introductory chat to explore the fit and next steps. MM_01_JD2 _CE We are committed to diversity, inclusion, and equality.As an equal opportunities employer, we celebrate diversity and are active advocates against modern slavery. We prohibit any form of discrimination or harassment based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic

Senior Java Developer – Energy Data PlatformLocation: Teesside (Remote / Hybrid)Type: Full-timeSalary: £50,000 - £60,000Hours: 37.5 per week (3 days in office/ 2 working from home)About the RoleImperial Recruitment Group are recruiting for a leading provider of energy market data and analytics in the UK and Europe. Their platforms process billions of data points from power markets every day, providing actionable insights for energy traders, analysts, and operators.They are looking for a Senior Java Developer to work on services that handle large, complex datasets and turn them into reliable, high-performance systems. You will build APIs, improve data pipelines, and help make the platform faster, simpler, and more scalable.You will join a small, focused team where decisions are made quickly, ideas are valued, and your work has a direct impact.DutiesBuild and run backend services using Java, Spring Boot.Work with diverse and complex energy and market data.Design data flows, APIs and integrations that scale.Deploy and monitor services in AWS / Kubernetes.Help shape the product and tech direction as we grow.Deploy to cloud environments (AWS / Kubernetes) with modern CI/CD pipelines (Github Actions / Jenkins).ExperienceStrong Java experience and modern framework knowledge.Comfortable working with data-heavy or distributed systems.A practical mindset - you care about clarity, performance and maintainability.Desirable experience in energy, data analytics, or time-series data.BenefitsJoin a leading UK player in energy data analytics.Real ownership and freedom to make an impact.A team that ships fast, learns fast, and moves with purpose.Flexible working and a modern toolchain.The chance to help shape how energy data drives the UK’s transition.Hybrid workingFor more information please get in touch with Kimi at Imperial Recruitment Group.

I am working with a friendly and ambitious software house in the Ipswich area who have a vacancy for a talented mid level Java Developer to help them meet the challenges presented by their continued growth.Working as part of a small team you will work in a varied role that will see you take responsibility for key tasks and projects that will have a significant impact on the business.Working across the full software development lifecycle, you will collaborate with both internal stakeholders and customers to scope and develop new features for their platform, create new integrations, enhance existing features / integrations and contribute towards the overall support of the platform. Alongside this there will also be opportunity to take part in more research-oriented projects which will afford you the chance to work with new technologies and prototype advanced systems features.To be successful you will likely have:At least a couple of years of Java development experience and preferable knowledge of opensource frameworks such as Spring and Hibernate. Excellent problem-solving skillsThe appetite to get involved with all aspects of the development lifecycle from requirements gathering through to successful delivery to customers.In return for your expertise, they are offering a competitive benefits package which includes 25 days holiday, hybrid working and a salary of up to £45,000 (DOE)If you would like to find out more please apply now, or contact me directly, for an informal discussion about the role and your job search.