Senior Java Engineer jobs in Portsmouth, Calderdale

Role Overview We are seeking a Java Software Engineer to join a small, technically rigorous founding team building complex, data-intensive engineering systems. The role is remote-first, with periodic in-person collaboration in Oxford or San Francisco. The position involves close collaboration with the Founding Engineer on backend infrastructure, internal platforms, and system architecture. In...

Software Developer (Java) - SC Clearance Contract Length: 12 Months (Extension Possible) Location: Portsmouth (Hybrid - 3 days per week onsite) About the Role & Organisation: This organisation operates at the forefront of advanced engineering and technology, delivering complex, mission-critical systems within highly regulated environments. It offers a collaborative, quality-driven culture...

A leading technology recruitment firm is seeking a Senior Developer to join their team in the UK. This role involves designing, building, and optimizing systems, primarily using Java and Perl, while working closely with stakeholders. The ideal candidate enjoys complex problem-solving and mentoring. This position offers flexible hybrid work with minimal on-site requirements, emphasizing a...

Job Description Do you want to work in Defence and on the latest technologies? Are you keen to join a leader in their field and make a difference? Come and work on some very secure accounts. Were growing our team of Platform Engineering Senior DevOps Engineers to support a very large piece of work. Youll be responsible for all aspects of our automation capabilities and should have strong...

We're working with a forward-thinking digital product organisation on a mission to become truly AI-native — not just by adopting tools, but by transforming how software is designed, built, and delivered. They're looking for a Senior AI Enablement Engineer to play a pivotal role in redefining modern engineering practice through AI-assisted development. This is a hands-on senior engineering role...

Senior Electrical Engineer - Heavy Industrial Technology Is this the role you are looking for If so read on for more details, and make sure to apply today. Work Location - Portsmouth - 1-2 Day in Office Salary - £85,000+ An ambitious and fast-growing clean-tech start-up is on a mission to make innovative energy storage the future. Enabling manufacturers, chemical processors, refineries, and...

Job Description Senior Systems Engineer Salary: £55,000 - £80,000 Location: Southampton Sector: Defence and National Security A leading defence and national security consultancy is seeking Senior Systems Engineers to provide technical leadership in the design and delivery of innovative and effective solutions in the domains of Position, Navigation and Timing (PNT), RF communication and...

Job Description Senior Quantity Surveyor / Senior QS Civil Engineering (NEC Contracts) Location: Hampshire Sector: Civil Engineering / Infrastructure Type: Permanent | Hybrid Working Our client, a leading UK infrastructure delivery partner, is currently recruiting a Senior Quantity Surveyor (Senior QS) to join a major civil engineering project in Hampshire. Following recent project awards, this...

You will have a sound understanding of scientific, mathematical or capability analysis techniques, and the proven ability to develop technical solutions to business problems. Candidates will require expertise in some or all of the following areas:

You will have exposure to subject matter experts and additional online learning packages.

Senior Manufacturing Quality Engineer Portsmouth Permanent - On site £50,000 - £60,000 Job Title: Senior Manufacturing Quality Engineer (Space Systems Quality Assurance) About the Role Capgemini Engineering is seeking an experienced Manufacturing Quality Engineer to support one of our key clients at their Portsmouth facility. The successful candidate will lead the recovery of a critical...

Senior Full-Stack Engineer – TypeScript / React / AWS Up to £80k | Fully Remote (UK) Tech Stack: TypeScript, Node.js, React.js, AWS Slight backend lean We're on the hunt for a hands-on Senior Engineer to join a fast-moving team delivering real, production grade systems. This isn't R&D or proof-of-concept work, they're shipping cloud-native, AI-enabled products that customers actually...

You will be designing solutions for complex challenges that will meet and exceed user requirements. Responsibilities will include: - Designing, developing and delivering software solutions using a large range of techniques, including Wargames, Modelling and Simulation, Robotic and Autonomous systems, Digital Twins and Synthetic Environments.

Job Description Our client is a world leading manufacturer of secure communications systems for land, sea and air domains. Due to continued success within their Aerospace & Defence division they are experiencing substantial growth and require a Senior Field Service Engineer focused on their Secure Comms products and solutions for customers in the Defence domain in the UK. As a Field Engineer...

Job Description Senior Electrical Engineer - Heavy Industrial Technology Work Location - Portsmouth - 1-2 Day in Office Salary - £85,000+ An ambitious and fast-growing clean-tech start-up is on a mission to make innovative energy storage the future. Enabling manufacturers, chemical processors, refineries, and other heavy industries to replace fossil-fuel heat with renewable energy. Theyre...

You will provide senior-level technical input across the full project lifecycle, from asset inspections and condition assessments, through feasibility, design, and construction, to supervision of works and approval of as-built records. The role also includes mentoring junior engineers and contributing to the continuous improvement of asset management processes.

Job Title: Senior Structural Engineer The experience expected from applicants, as well as additional skills and qualifications needed for this job are listed below. Location: HM Naval Base, Portsmouth Service Area: Asset Management Hours of Work: 37 hours per week Salary: £58,000 - £65,000 KBS Maritime is a joint venture between KBR and BAE Systems, delivering innovative asset and...

Job Description Role: Senior Electrical Design Engineer Location: Southampton Salary: Up to £50,000 Our client is seeking an experienced and technically strong Senior Electrical Design Engineer to lead and deliver complex electrical design solutions across a range of engineering projects. The successful candidate will play a key role in the full project lifecycle, from concept and detailed...

A leading defense contractor in the UK is seeking a Senior Developer with strong experience in Java and web technologies. This role encompasses full responsibility for software development, from design to testing, and includes collaboration with stakeholders to drive project outcomes. Ideal candidates should have a minimum of 5 years of relevant experience and possess advanced skills in Object...

Remote | Full-Time About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two teams,...

You will work alongside experienced engineers, data scientists and subject matter experts on programmes covering modelling and simulation, autonomous systems, synthetic environments and digital twins.

You will stay close to the code while contributing ideas, shaping solutions and engaging directly with customers.