# Full Stack Software Engineer - Company: [Foundational]() - Location: London - Team: Software Engineering - Employment type: Full Time - Posted: January 9, 2026 ## Job description **We are Foundational.** Foundational is an early-stage, mission-driven startup solving one of the hardest engineering challenges of the decade: creating an exquisite, real-time understanding of Earth and orbit using ground-based lasers. We aren't just gathering data; we are building the platform that will enable the next generation of space traffic control, resilient navigation, and Earth observation. - essential for the sustainability and resilience of the space domain, monitoring our climate and empowering the future economy. This mission, this technology... will be *foundational to* the future of civilization. **What You'll Be Doing:** * **Designing, developing, and deploying** scalable and robust SaaS applications using Python, React, FastAPI, MongoDB, modern AWS cloud services, Terraform, and Airflow. * **Building and maintaining** both the frontend and backend of our core product, ensuring seamless user experiences and high performance. * **Implementing DevOps practices** to streamline development workflows, automate deployments, and ensure continuous integration and continuous delivery (CI/CD) via Gitlab. * **Collaborating closely** with the product team to translate user needs and business requirements into innovative and user-friendly features. * **Writing clean, maintainable, and well-documented code**, adhering to best practices and industry standards. * **Troubleshooting and resolving technical issues**, ensuring the smooth operation of our platform. * **Staying up-to-date** with the latest technologies and trends in web development, DevOps, and the space industry. * **Growing with us!** As an early team member, you'll have the opportunity to contribute to all aspects of the development process and make a real impact on our product and company culture. **What We're Looking For:** * **Proven experience** as a Full Stack Developer, with a strong portfolio showcasing your skills in both frontend and backend development. * **Solid understanding of DevOps principles and experience** with cloud platforms (AWS, Azure, GCP) * **Proficiency in** front end e.g., React, Angular, Vue.js and frameworks such as e.g., Node.js or FastAPI. * **Experience with databases** such as MongoDB and MySQL. * **Familiarity with API design and development**, including serverless technologies, e.g. AWS ECS/API Gateway/Lambda. * **A passion for space technology** and a genuine interest in the space sector (desirable, but not essential). * **A proactive, problem-solving attitude** and a desire to learn and grow in a fast-paced startup environment. * Excellent communication and teamwork skills. * The ability to work independently and take ownership of your projects. * A strong desire to make a tangible difference and help build something extraordinary. **Bonus Points (We'd love it if you have...)** * Experience with containerisation technologies, e.g. Docker, Kubernetes. * Contributions to open-source projects. * Familiarity with space situational awareness, space domain awareness or other ground-based space sensors (optical, RF, etc.) **What We Offer** * A high-impact role with genuine ownership and autonomy. * EMI options in a fast-growing VC backed startup in the spacetech industry * Generous compensation and pension contributions * Offices in central London right in the heart of Borough and London Bridge with snacks, tea, coffee and regular socials. ## Apply [Apply on Foundational]() Canonical job page: