Backend Developer

About TectiveAt Tective, we build high-impact autonomous drone technologies that support defense, security, disaster response, and agriculture. Our systems enable automated drone operations 24/7, capturing mission-critical data efficiently and reliably.We are a deep-tech company working on real hardware integration and operational systems. Our team values ownership, technical excellence, and continuous learning.We are looking for a senior backend developer who wants to build real-world systems and is confident about their own coding to let multiple drones fly autonomously, pushing the boundaries of current technology.Role OverviewThis is a pure backend role, with close collaboration with the software team (soon to consist of 4 developers). We are searching for a pure backend specialist that wants to specialize even further. Somebody that can help junior and medior developers when they're stuck or need a technical review, but doesn’t necessarily have leadership ambition. You are able to write clear guidelines, clear documentation and create plans and diagrams for more advanced features that first need to be discussed with the other team members. You also know when to ask for feedback on your own work.As a Backend Developer at Tective, you will:Develop client-facing software used to monitor and control autonomous systemsBuild and maintain software that controls real-world robotic swarmsDesign and implement robust communication over unreliable network linksCollaborate closely with hardware and robotics teams to integrate full-stack solutionsComfortable adapting to rapidly evolving prioritiesBe proactive in asking for help and communicating roadblocksStrong interpersonal skills for working with multiple stakeholdersInterested in working with dual-use technologiesTech Stack & Requirements Required5+ years of professional software development experiencePython for tooling or backend tasksDocker and containerized environmentsLinux as a development environmentGit best practicesCI/CD pipelinesBasic networking concepts (UDP/TCP, basic OSI knowledge, Wireshark)Experience with PostgreSQL/SQLExperience with the “Backend for Frontend” patternExperience working in Agile teamsNice to HaveExperience with PX4 flight stackWorking knowledge of MAVLink protocolFamiliarity with Jenkins or other CI systemsExperience with GazeboExperience with PostGIS and GraphQLQualifications5+ years of professional backend experienceStrong problem-solving skills and sense of ownershipComfortable working independently in a startup environmentWorking Model36-40 hours per weekOn-site in Delft / Hybrid - preferred availability of at least 3 days on location.Must be able to commute to the Delft office when requiredWhy Join Us?Work on software that interfaces directly with autonomous drone systemsContribute to high-impact technology used in civil security and European defense-related applicationsSolve real-world engineering challenges involving hardware integration and real-time communicationTake ownership of core backend and backend for frontend systems in a growing deep-tech companyJoin a highly motivated team working on strengthening EuropeCompetitive salary of: EUR 4800 - 5200 per month