Senior Full Stack Developer

Senior Full Stack Developer – Sateliot Sateliot is a Barcelona‑based startup in the New Space sector, developing the first satellite telecommunications operator to provide global and continuous connectivity. We are launching a constellation of next‑generation nanosatellites that act as mobile towers, complementing terrestrial telecom infrastructure. We’re looking for an experienced developer to lead end‑to‑end delivery of full‑stack projects, from API architecture and database design to the frontend interface, while championing code quality, testing, and cloud integration. Mission Lead the full‑stack delivery of projects, perform rigorous code reviews, mentor engineers, and ensure the reliability of our web platform stack. Main Functions Full‑Stack Development Architect, build, and optimize robust web applications using PHP (Laravel) and Python (Flask) . Implement and maintain RESTful APIs and microservices for internal systems, third‑party integrations, and data processing. Develop solutions that integrate with hardware, labs, or log processing systems. Cloud, DevOps & Quality Design and integrate common AWS services (EC2, S3, RDS, SNS, etc.) into our applications. Contribute to and improve our CI/CD pipelines (GitHub Actions) for automated testing and deployment to our Kubernetes (k8s) clusters. Write clean, efficient, well‑documented code with unit and integration tests (PHPUnit, pytest). Perform peer code reviews and use SonarQube to measure and improve quality. Performance & Collaboration Diagnose and resolve complex performance bottlenecks at the application, database (SQL/NoSQL), and infrastructure levels. Manage tasks in Jira and actively participate in our Agile (Scrum/Kanban) ceremonies. Collaborate with Product Owners, UX designers, and DevOps/Network engineers to translate requirements into technical solutions. Requirements Education & Experience Bachelor’s degree in Computer Science, Software Engineering, Telecommunications, or a related field.5+ years as a Full‑Stack Developer , with a strong focus on PHP (Laravel) . Demonstrable experience building production applications with Python (Flask) . Solid experience designing and consuming RESTful APIs and working with microservice architectures. Technical Skills Hands‑on experience with AWS services (S3, SNS, RDS, EC2, etc.). Proficiency in relational (PostgreSQL) and NoSQL (MongoDB) databases. Solid experience with testing (PHPUnit, pytest), code quality tools (SonarQube ), and agile methodologies. Experience with Docker container workflows and deployment on k8s . Comfortable with the Linux command line and fundamental networking concepts. Plus: Prior experience in the space or telecommunications sector. Soft Skills Strong analytical and problem‑solving skills, with a critical eye for performance, scalability, and security. Excellent communication skills – able to explain complex technical decisions to non‑technical stakeholders. Proactive, with a strong sense of ownership ; capable of working independently but thrives in team environments. A passion for code quality and for mentoring other colleagues. Benefits Full‑time permanent contract Schedule flexibility Flat and transparent organizational structure Buddy Program to help you with your integration during the first month Flexible compensation package, including tax benefits, ticket restaurant, transportation, and kindergarten support Health insurance, fresh fruit in the office, and support for bicycle transport or gym memberships Dynamic, multidisciplinary, and multicultural environment to boost your career Opportunity to be part of an exciting and disruptive space project in Europe #J-18808-Ljbffr