Full Stack Developer

Full Stack Developer (Space/Mission-Critical Systems)

Oxford - Hybrid 2 days per week in office.

£ £95000

Must Have's

• Must possess an EU or Five Eyes passport (UK, US, Canada, New Zealand, Australia).

• Has worked Full Stack with Java, Python or C++ paired with JS/TS, ideally React.

• Must have worked on Mission-Critical Systems within the space sector or adjacent (e.g., defence, aviation, telecommunications, or automotive).

Your new company

This leading Space Technology provider is seeking 2 experienced Senior Full Stack Developers to join their expanding team. With a proven track record of successful missions and partnerships with major space agencies and commercial operators worldwide, this company is at the cutting edge of innovation.

You'll be part of a team that's pioneering technologies for on-orbit servicing with the end goal of making space exploration sustainable long-term. If you want to work for a business that combines purpose with advanced technology, this is the opportunity for you.

The role is based from their rural Oxfordshire office, so own-transport will be required to work minimum 2 days per week in the office giving you access to secure projects.

Your new role

You'll help to develop mission-critical software (often greenfield) for ground systems supporting advanced space missions. You'll take ownership of designing and developing scalable backend services using modern programming languages, while also creating dynamic and responsive user interfaces with contemporary frameworks. You'll architect and optimise databases to ensure performance and reliability, and work with containerised applications using Docker and Kubernetes.

The company control the systems they build, meaning developers can be intrinsic with the user and understand their journey to build a better product. You'll collaborate with scientists, engineers, and developers to identify promising ideas and guide their technical evolution. You'll participate in cross-functional design, implementation, testing, and deployment of their software toolkits so will have full lifecycle exposure.

It's a business still in start-up/scale-up mode having been established less than 5 years ago, so a very exciting time to be joining at this stage of their evolution with significant investment and progression opps within the Development teams.

What you'll need to succeed

We're looking for candidates with a Bachelors, Masters or PhD Degree in a STEM or Computing discipline.

Must have at least five years of full stack development using Java, Python or C++ for Back end Development and JavaScript on the Front End, ideally with the React framework.

It is essential you've worked on the development of mission-critical applications within space, defence, aviation, telecoms, or automotive sectors.

Additional expertise in container orchestration, CI/CD tools, SQL databases, and Git workflows will set you apart. Familiarity with AWS or Azure is desirable, as is knowledge of security best practices in software development.

What you'll get in return

You'll work for a technology focused company building innovative products. You'll receive private healthcare, life insurance, and relocation support if needed, plus holiday starting at 25 days rising to 28. You'll work in a state-of-the-art facility with a diverse, international team, parking on site and flexible working hours, including chance to work a compressed week (9 in 10 days).

What you need to do now

To find out more and to be considered for this position please apply directly, or contact Max Wilcock, Senior Business Director on

At Hays Technology, we are shaping the future of recruitment. The rapid adoption of cloud, which is making customer interfaces more engaging and creating a seamless engagement with businesses, means that from the foundation of your organisation up, software developers are critical to success. As the competition for talent grows, we're ready and waiting to help developers really make an impact on organisations, so talk to us today. We are Hays Technology.