Java Software Engineer jobs in Cheltenham

Job Description Software Engineer | Building Intelligent Systems That Make an Impact Cheltenham 4 or 5 days a week on site Existing DV Clearance is required National Security Sector An exciting opportunity has arisen for a Software Engineer to join a cutting-edge team developing impactful, mission-driven technology. The role offers the chance to contribute to projects such as AI-powered...

Java Software Engineer – Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge DevSecOps systems and applications, supporting secure digital...

Key Responsibilities - Design, implement, and maintain software for nuclear systems, ensuring compliance with safety and regulatory standards. - Develop software for reactor control, monitoring systems, data acquisition, simulation, and predictive analytics. - Collaborate with multidisciplinary teams including nuclear engineers, electrical engineers, and safety specialists. - Apply best...

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...

Role: Embedded Software Engineer Location: Cheltenham (3-4 days on-site) Duration: 12 months initially Rate: Up to £80/hour Umbrella inside IR35 Do you have the skills to fill this role Read the complete details below, and make your application today. Key Activities Engineer with experience on the Software Development Lifecycle (DO-178C/SEAL) and in the following: - - Preparation of the...

Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. This role requires deep expertise in Linux networking data path and...

Hamiltonian Dynamicsis a growing technology company working across Defence and Cyber Security, delivering software solutions that support critical national and enterprise systems. With teams based in Gloucestershire, Manchester, and London, we are entering an exciting new phase of expansion and are looking for Software Engineers xbpsjku to join us. Is your CV ready If so, and you are confident...

You will still shift the dial; but importantly will develop cutting-edge, mission-critical applications quicker, better and different to slower-moving bureaucratic competitors.

You will remain responsible for driving change, code efficiency and enhancing functionality - confidently challenging and driving projects in the right direction.

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a dynamic software...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

SOFTWARE ENGINEER REMOTE (OPTION TO RELLOCATE) £110K + EQUITY THE COMPANY This innovative AI startup is redefining safety and reliability in AI models. While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds safety control layers to ensure AI outputs are trustworthy and compliant. Working with high-profile, they’re building AI...

You will be working with a high-calibre team of young, talented professionals who share a like-minded mindset, delivering top-tier implementation and technical services to clients.

Senior Software Engineer - SC ClearedLocation: Farnborough (Hybrid/On-site) Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out below.Salary: Up to £100,000 (dependent on experience)Clearance: Active SC clearance (willing and eligible to go through DV)To Apply: EmailAn opportunity for a senior software engineer to work alongside...

Our client, a mission-led consultancy, is looking for an experienced Principal Software Engineer (Java) to join their growing team. They deliver secure, modern software solutions to the UK Government and Defence sectors, enabling clients to build scalable systems and progressive web applications that drive real impact. This is a senior-level opportunity for a hands-on engineer who enjoys leading...

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...

Software Engineer – £65,000–£85,000 + Equity – Remote (UK) - London office if preferred The Opportunity Join a fast-growing, AI-native software company building workflow automation tools used daily by thousands of professionals across people-heavy industries. The platform removes manual, repetitive work through AI, automation and thoughtful product design, helping teams move faster and focus...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

Playrix — одна из самых успешных компаний по разработке мобильных игр в мире. По доходам среди всех мобильных приложений мы входим в топ-3 в мире, а в Европе мы первые. Наши игры установили 2,3 миллиарда раз (треть населения Земли), каждый день в них играет более 30 миллионов людей по всему миру! У нас большие планы на развитие и рост наших проектов, именно поэтому мы ищем сильнейших экспертов в...

You should be comfortable with most of our core technologies:

You should enjoy solving complex problems and be excited about working with modern tech in a mission-focused environment.