Average Java Script Developer salary in the UK

Java Engineer• Salary to £60k + Company Options Scheme• Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC or DV clearance. (SC) 5 years & (DV) 10 years residency in the UK with no more than a 3 month break outside the UK.This company is a Workflow & AI Orchestration Specialist. They're on a mission to modernise how public sector organisations manage casework, derive insight from data and deliver citizen services. They’re growing fast and looking for bright, dynamic people to help build their business.Role They’re looking for a Java Engineer to join their implementation team. You’ll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration — helping their public-sector clients build secure, scalable, and resilient digital services.You’ll collaborate with solution architects, business analysts, and designers to translate workflows into elegant, maintainable code. You’ll play a key part in defining technical standards, optimising runtime performance, and mentoring less- experienced engineers in workflow-centric delivery.This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices.The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates should be comfortable with that being 2-3 days per week. Client sites could be anywhere but will most likely be in & around London.ResponsibilitiesDesign, develop, and deploy Camunda-based process and decision automation solutionsImplement and integrate Java-based microservices, APIs, and connectors within orchestration flowsTranslate BPMN and DMN models into executable workflows and reusable componentsCollaborate closely with analysts and service designers to refine and iterate business processesDevelop and maintain automated test suites, CI/CD pipelines, and containerised deploymentsOptimise Camunda engine performance and monitor workflow metrics for production environmentsParticipate in code reviews, peer testing, and technical design discussionsContribute to their internal best-practice frameworks and automation acceleratorsEssential Eligible (have resided in the UK for the past 5 years) and prepared to go through UK SC Security ClearanceStrong experience in Java software engineering and object-oriented designStrong Spring (Boot) experienceExperience with REST APIs, and microservice architecturesKnowledge of Docker and Kubernetes for containerisation and orchestrationProficiency in Git, CI/CD pipelines, and automated testing frameworksUnderstanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ)Good knowledge of security, authentication, and integration patterns for enterprise systemsExperience working in agile teams within digital transformation or automation programmesA willingness to learn BPMN and Camunda toolingSome exposure to process automation or microservice orchestrationDesirable Experience with Camunda 8 (Zeebe) clusters and Operate/Tasklist componentsExperience implementing solutions using Camunda 7 or 8 (BPMN/DMN)Familiarity with Camunda connectors, external task workers, and scripting extensionsExposure to cloud platforms (AWS, Azure, GCP) and infrastructure-as-code (Terraform, Helm)Experience integrating process automation with case-management or service-orchestration platformsUnderstanding of agentic AI capabilities and how they can complement workflow automationExperience mentoring developers or contributing to open-source Camunda extensionsAlready holding UK security clearance (SC, DV, eDV)What They OfferA company option scheme gives their employees a stake in the organisation they’re buildingMeaningful missions. Tackle high-impact public-sector problems that improve services millions rely on.Hybrid working, flexible working between their London office, client offices and your home location.Outputs over optics. They focus on what gets delivered, not hours online.Working shoulder-to-shoulder with founders. Learn from experienced practitioners in a nurturing, hands-on environment.Shape their organisation. your fingerprints will be on their company as it grows.Autonomy by default. They empower their people to do what’s needed.Sociable, low-ego, dynamic engagements. No big-firm stiffness or needless bureaucracy.Professional Development. They invest in their people through training and certifications.Other StuffNB: Please only apply if you are a UK National and able to achieve SC or DV clearance. (SC) 5 years & (DV) 10 years residency in the UK with no more than a 3 month break outside the UK.NB: for non-UK Citizens; we cannot accept applications from anyone requiring sponsorship (now or in the future) for UK permanent employment status. If you are utilising a work visa this must allow you to work in the UK unrestricted for at least the next 5 years. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid

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.