10 senior java developer jobs found

Job Description: Essential: Java 17+, Spring Boot, Spring DataJPA, Spring Integration, Spring Batch, Microservices, Quartz, SQL Database (PostgreSQL), JPA (Hibernate), REST and SOAP Web Services, Messaging (ActiveMQ), Maven, Junit, Jenkins, AWS Cloud hosting and its components, Postgres/Aurora, Bootstrap, Docker, TDD, Agile (Scrum), Jaspersoft, Spring extension projects (Data, Cloud, Batch, Security), Angular. • Public sector experience • Strong hands-on experience with large scale Spring based java projects. • Must have experience of supporting live systems and diagnosing incidents. • Experience in large scale integration projects involving microservices, messaging, web-services and distributed systems. • Experience with web-services - (SOAP and RESTful) • Experience with containerisation (Docker) • Experience with testing frameworks like JUnit, Mockito, Powermock, JMock, DBUnit, TestContainers. • Experience of connecting processes across several systems with message brokers like...

The Opportunity In this role, you will go beyond building standard user-facing features to focus on critical internal platform architecture. You will work within a lean, agile team to bridge frontend development with backend systems, transforming how internal engineers interact with, validate, and secure core data pipelines. Your Impact Platform Innovation: Build and scale developer-facing tools and dashboards from scratch to manage data contracts at the code level. Infrastructure Safeguards: Protect downstream systems (like recommendation engines) by implementing code-level guardrails against data incidents. Capacity Expansion: Act as a critical accelerator for a tight-knit core team, driving rapid prototyping during an essential discovery MVP phase. Cross-Functional Tooling: Balance frontend utility with data engine awareness to deliver seamless internal developer experiences.Your Experience Experience Level: Senior-level expertise with a strong background in Platform...

The Opportunity: Our client is supporting a major UK Government Agency on the delivery of a large-scale digital transformation programme and is seeking an experienced Senior Full Stack Engineer to join an established agile delivery team. This is an exciting opportunity to work on the development of modern, cloud-native services within a complex public sector environment, contributing across the full software development lifecycle. You'll play a key role in designing, developing and deploying scalable microservices and web applications, working across frontend, backend and DevOps disciplines using modern technologies and engineering best practices. The successful candidate will be a collaborative software engineer with strong technical expertise, excellent communication skills and a passion for delivering secure, high-quality digital services. Skills and Experience: * Strong commercial experience developing applications using TypeScript, Node.js and Fastify. * Excellent...

The Opportunity In this role, you will go beyond building standard user-facing features to focus on critical internal platform architecture. You will work within a lean, agile team to bridge frontend development with backend systems, transforming how internal engineers interact with, validate, and secure core data pipelines. Your Impact Platform Innovation: Build and scale developer-facing tools and dashboards from scratch to manage data contracts at the code level. Infrastructure Safeguards: Protect downstream systems (like recommendation engines) by implementing code-level guardrails against data incidents. Capacity Expansion: Act as a critical accelerator for a tight-knit core team, driving rapid prototyping during an essential discovery MVP phase. Cross-Functional Tooling: Balance frontend utility with data engine awareness to deliver seamless internal developer experiences.Your Experience Experience Level: Senior-level expertise with a strong background in Platform...

Quality Engineer (SFIA 5) Contract Duration: 6 months Rate: £460 per day Inside IR35 Location: At least 2x per month in Telford Overview We are seeking an experienced Quality Engineer to join the CoreMod Programme, a major transformation initiative focused on modernising HMRC's tax administration systems. You will work within agile Scrum teams of 4-8 engineers, delivering high-quality solutions through two-week sprint cycles across a diverse and modern technology landscape. This is an excellent opportunity for a quality-focused engineer who is passionate about automation, continuous improvement, and embedding quality throughout the software development lifecycle. Technology Stack Frontend Remix React JavaScriptBackend Java Spring Framework .NETData MongoDB OracleTools & Integration RabbitMQ JSON Key Responsibilities Design, build and implement automated testing solutions from the ground up. Develop and execute test strategies using TDD, BDD and risk-based testing...

Job Title:QA Automation Engineer - GenAI Experience Location: Burgess Hill - 5 days per week onsite Salary/Rate: £295 per day inside IR35 Start Date: 03/08/2026 Job Type: Contract - 6 months Company Introduction We have an exciting opportunity now available with one of our sector-leading financial services clients! They are currently looking for an experienced QA Automation Engineer with GenAI knowledge to join their team for a six-month contract. Job Responsibilities/Objectives We are seeking a highly skilled QA Automation Engineer with expertise in Generative AI, modern automation frameworks, and hands-on AI experience. The ideal candidate will drive quality assurance initiatives using cutting-edge technologies and AI-powered testing solutions. ? Design, develop, and maintain automated test frameworks using Python, JavaScript, and Playwright ? Implement AI-powered testing solutions to enhance test coverage and efficiency ? Create and execute API tests using RestAssured...

Software Developer Certain Advantage is hiring for a Software Developer based in the Portsmouth area. This role is on a contract basis and is hybrid-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Developer —someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: Development of code within an agile environment (scrum). Working with the team to design, implement and test features for new product development. Task estimation in accordance with sprint planningThe Individual We’re looking for people who can show: Java Core (version 8+) Spring...

Key Responsibilities: Act as the Communications CRE on Network Rail projects. Supervise multidisciplinary engineering teams including engineers, specialists, and BIM/CAD technicians. Deliver proficient designs across Control Systems (DCS, SCADA, PLC, BMS) and Telecommunications (PAVA, FTN, GSM-R, CCTV, VOIP, RF Radio, etc.). Conduct formal design reviews (CAT2 checks) to ensure safety, buildability, and compliance. Undertake HAZID, HAZOP, and HAZCON studies where applicable. Manage and maintain design documentation: design registers, drawing registers, RFIs, TQs, MARs, and EWNs. Direct liaison with BIM/CAD teams for clash detection and design coordination. Attend and oversee FATs, SATs, and other compliance stages. Collaborate with installation teams to ensure practical and efficient design implementation. Support commercial teams in tracking design changes and valuing work. Engage with planning departments to schedule design, installation, and T&C activities. Manage...

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: Java Engineer Location: Dublin - Leopardstown 3 days in office Contract: 6 months rolling contract initially Rate: (Apply online only) Euros - inside umbrella Overview Our client is seeking an experienced Senior Java Engineer to join a high-performing Risk Technology team. This role focuses on designing and developing modern web applications and APIs that support critical risk management capabilities within a large-scale banking environment. The successful candidate will have strong expertise across the modern Java ecosystem, experience building enterprise-grade...

Technical Lead: 6 Month Contract - Stockport/Hybrid We are seeking a passionate and innovative Technical Lead to join our vibrant team! If you thrive in a fast-paced environment and love leading tech initiatives, this is the perfect opportunity for you! Type:6 Month Contract Day Rate: Market Rates (Outside IR35) Location: Stockport/Hybrid Start: ASAP What You'll Do: As our Technical Lead, you will be at the forefront of our tech projects. Your expertise will drive our development teams to new heights. Here's what you can expect: *Lead with Passion: Inspire and motivate your team to achieve outstanding results while fostering a culture of innovation and collaboration. *Architect Solutions: Design and implement scalable, high-performance systems that meet our clients' needs. *Collaborate: Work closely with cross-functional teams including product managers, designers, and developers to bring ideas to life. *Mentor: Share your knowledge and experience with team members, helping...