Java Software Engineer jobs in 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...

Job Description Software Developer (Java) - SC ClearanceContract 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,...

Job Description Software Engineer (Java)SC Clearance RequiredCertain Advantage are hiring for a Software Engineer based in Portsmouth.This role is on an initial 12-month contract and is required to be onsite 3 days a week. Your responsibilities: - Contribute across the full software development lifecycle, including design, development, testing, and deployment. - Design software solutions using...

Job Spec - Backend Engineer About Beacon Beacon is building the AI Supply Chain workspace that customers really want. We're building end-to-end visibility, automated workflows, and effortless collaboration that create material savings and unlock new value for our customers. Backed by leading venture investors we're a team passionate about product and solving the most complex day-to-day...

At Orange Logic, we've been solving complex content challenges for over two decades—driven by innovation, curiosity, and a passion for impact, our intelligent Digital Asset Management (DAM) system, Orange Logic Platform, empowers organizations across industries to manage, access, and leverage their digital assets more effectively. We're not just building powerful software—we're building a team of...

Job Description Our client is a global leader in ship navigation systems and advanced maritime solutions, delivering tailored technologies for commercial vessels, mega yachts, refit projects, naval surface combatants, small combatants, and submarines. Our client is seeking Software Engineers at various levels of experience to join their small UK-based software development team. This is an...

Job Description Our client is a rapidly growing business designing some of the most innovative and interesting applications for the marine industry. If you are a meticulous individual with a passion for working on cutting edge projects, this could be ideal for you.Senior Software EngineerMarine Defence applicationsPortsmouthPermanentRole OverviewWe are looking for a talented software engineer to...

A recruitment agency is seeking a Software Engineer to join a team in Portsmouth for an initial 12-month contract. The candidate will develop Java applications using Spring technologies and contribute across the software development lifecycle. Responsibilities include designing solutions, implementing RESTful services, and collaborating with Agile teams. SC clearance is required for this...

Job Description Principal Software Engineer - C++ / Unreal | Defence Modelling & Simulation Leading the next generation of synthetic environments for UK Defence. This is a high-impact role for a technical authority to join a consultancy founded by industry experts. You will steer the development of complex digital twins and autonomous systems, bridging the gap between mathematical theory and...

Lead Software Engineer Active SC Clearance Essential Our client, an innovative UK technology company is building a next-generation AI platform fordefence and health applications. Their systems operate in highly regulated, mission-critical environments where reliability, security, and performance truly matter. Were looking for aLead Software Engineerto take technical ownership of key platform...

Cyber Software Vulnerability Engineer Package - £45,000 - £65,000 (depending in experience level) Benefits - DV Bonus plus excellent benefits Clearance - Clearable to eDV level, SC clearance required to start. Location - Hampshire, Surrey or London - hybrid working Join a trusted leader in National Security technology solutions. Do you enjoy solving technical cyber problems and identifying...

A leading aerospace company is seeking a Software Developer to design, develop, and maintain software applications and systems. The ideal candidate will have a Bachelor's or Master's degree in Computer Science or a related field, strong experience in Java, and familiarity with Agile methodologies. The position offers competitive benefits including flexible working arrangements, and is based in...

Principal Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. We are looking for candidates with a mix of technical expertise and...

Software Engineer (C++) Location: Southampton (onsite) Salary: Up to £50,000 About the Company Connect AI is partnering with an innovative technology who design and builds industry-leading hardware and software that enable professionals to deliver spectacular visual experiences. Their technology spans lighting control systems, networking hardware, and advanced software platforms used in...

Senior Golang Engineer - we are partnered with a stealth start-up company based out of London that are utilising AI to build the next generation of software. Golang Engineers will be highly skilled coding with Go and potentially have a background with other backend related languages too such as NodeJS or Python. Required: - 3+ years of relevant work experience working with Golang. - 5+ years of...

.NET Developer | 6 Month Contract | Up to £600 per day (Inside IR35) | SC & NPPV3 Clearances Required | Remote MERITUS are excited to be partnered with a growing Technical Consultancy delivering secure, business-critical systems and are looking for an experienced .NET Software Engineer to work with one of their secure public sector clients. This role is well suited to a .NET developer who...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

Aveni is redefining how financial institutions use AI. We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows. We have been recognised as Fintech of the Year for two consecutive years and awarded Best Specialist Technology Service at the Professional Adviser...

Senior Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. We are a small but rapidly growing consultancy, owned by four highly experienced and recognised practitioners in UK defence consultancy....

Software Engineer Salary: Competitive, negotiable based on experience, plus benefits including a 7% pension contribution, 25 days holiday, and life insurance Location: Portsmouth, hybrid working Sirius Digital is a trusted provider of expertise in Software Engineering, Data Science, and AI, supporting clients in the defence, nuclear, space, and energy sectors. We specialise in software...