Software Engineer

Who We Are At DefSecIntel Solutions, we protect what matters by building systems that operate where failure is not an option. We deliver combat-proven, end-user-driven defence and security solutions for Europe’s border security, defence, and critical infrastructure protection. Our platforms are designed for real operational environments and are already trusted in the field. We develop, manufacture, and integrate mobile autonomous surveillance systems, unmanned surface vessels, and counter-UAS solutions, all connected through AI-powered command-and-control. With a talented team of 70+ people, DefSecIntel is headquartered in Tallinn, Estonia, with additional manufacturing and maintenance capabilities in Ukraine. We work closely with leading international partners including the EU and NATO, and contribute to major defence R&D programmes such as the European Defence Fund. Join us to build mission-ready systems for today’s needs and tomorrow’s challenges, and help shape the future of Europe’s security. We are looking for a Software Engineer who is excited to build mission-critical robotics software that powers real-world autonomous systems and helps shape the future of defence technology. What You Will Be Doing Design, develop, and improve robotics software using Python, ROS, and C++ where neededBuild software for autonomous systems by integrating sensors, radar technologies, and data processing pipelinesDevelop automated tests and validate software in both simulation and on physical hardwareTroubleshoot, optimise, and improve system performance, reliability, and stabilityBuild and maintain Docker-based development environments and CI/CD pipelinesCollaborate with hardware, software, and product teams to deliver robust, production-ready solutionsContribute to software architecture, code reviews, and engineering best practices. What We Are Looking For Strong Python development experienceHands-on experience with Docker and CI/CD pipelinesPrevious experience with data-driven developmentSolid understanding of software engineering best practices, testing, and version controlExperience with C++ is a plusFamiliarity with ROS (Robot Operating System) is an advantageExperience working with sensors, radar, IMUs, or other robotics technologies is a bonusA curious, collaborative engineer who enjoys solving complex technical challenges and building software that performs reliably in real-world environments What We Offer Meaningful work that supports our mission to create a safer and more secure worldThe opportunity to work with a talented team and contribute to the development of innovative technologies and solutionsFlexibility in how and where you work, depending on role and project needsOpportunities for professional growth and skills development as the company and projects evolveRecognition for helping grow the team through employee referralsA focus on employee well-being, including access to health- and sports-related benefitsSocial activities and team events that strengthen collaboration and team spirit Defsecintel Solutions is freedom defenders’ partner in surveillance and control. At Defsecintel Solutions, we believe defence and security solutions should be smart, reliable, and ready for the toughest challenges. That’s why we deliver combat-proven, end-user-driven solutions for Europe’s border security, defence, and critical infrastructure protection. Our goal is clear: to help protect Europe’s borders and keep our allies safe. With proven systems, a dedicated team, and a vision for smarter defence and security, Defsecintel Solutions is building solutions that meet today’s needs and tomorrow’s challenges. Join us and be part of shaping Europe’s security future.