About Us
S2E Software Systems provides high-reliability embedded software, Rust/C/C++ control systems, and robotics consultancy with 9+ years of deep technical experience.
Our Story
Operating since 2017, S2E Software Systems brings 9+ years of hands-on engineering consultancy experience to OEMs and technology leaders. Our foundation lies in solving complex embedded, control, and system architecture challenges where performance, real-time constraints, and reliability are paramount.
Originating from cutting-edge European Space Agency (ESA) robotics projects—such as the INTERACT project, where an astronaut on the ISS operated a force-feedback joystick to control a land robot on Earth—we bring space-grade engineering rigor, analytical precision, and a risk-mitigation mindset to terrestrial systems. We don't just write code; we partner with your team to challenge assumptions, resolve architectural bottlenecks, and hit critical product launch deadlines.
Our Expertise
We deliver cross-disciplinary mastery where embedded software, physical hardware, and control theory intersect:
Software Engineering
We build modern C++, embedded C, and Rust applications tailored for high-performance and safety-critical mission requirements.
Hardware Integration
We develop for Real-Time Operating Systems (RTOS), bare-metal toolchains, custom board bring-ups, and automated HIL test harnesses.
Control Systems & Robotics
We optimize precise robotic manipulation, industrial motor drives, agricultural automation loops, and real-time data distribution.
Meet the Leadership
Dr. João Rebelo
Founder & Managing DirectorDr. João Rebelo holds a PhD specializing in control systems and robotics, with extensive experience spanning industrial automation at Danfoss, autonomous agricultural robotics at Lely, and both spacecraft simulation software and force-feedback robotics at the European Space Agency (ESA). With over 9 years of consultancy leadership, he specializes in real-time control systems, software development, and software performance optimization for mission-critical engineering applications.
LinkedIn Profile →
Stefan Kimmer
Founder & Principal Software ArchitectStefan Kimmer brings extensive engineering experience from Siemens, where he led work in video data transmission and context-dependent compression—earning an awarded US Patent (US20120136580A1)—and from the European Space Agency (ESA), focusing on telerobotics and video transmission systems. He specializes in video coding and transmission, real-time video processing, control systems, software architecture, and automated testing frameworks.