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Job description
About the Company
Spacer Robotics is building autonomous, non-humanoid robotic systems to construct infrastructure in extreme environments—from lunar bases to next-gen terrestrial job sites. Our vision is to disrupt the $16 trillion global construction industry by pioneering a new Deep Tech philosophy that blends robotics, AI, and systems engineering at the frontier.
About the Role
We’re seeking a Senior Robotics Software Engineer to join the core team building Spacer’s production-level robot. This is a highly hands‑on, multidisciplinary role spanning the full autonomy stack—from raw sensor data through perception, localization, planning, and control. You’ll be a technical self‑starter who thrives with broad ownership, can make sound architectural decisions independently, and is energized by building real systems on physical hardware in unstructured environments. As an early hire, you’ll shape our engineering culture and leave a lasting mark on how our robots think, see, and move.
Responsibilities
As a Senior Robotics Engineer, you will be expected to be versatile, making key contributions to a range of components in the Spacer software stack, including:
Robotics Software Stack: Develop and maintain our ROS-based control systems for real-time robotic motion and coordination for our rebar‑tying robot GRID
Embedded Systems: Strong skills in C++ for embedded platforms, optimizing for reliability and low‑latency
Sensor Integration: Interface with cameras, lidar, IMUs, and encoders to build robust perception and feedback loops
Hardware‑Software Integration: Work closely with hardware engineers to debug, calibrate, and optimize the full system, including the construction tasks specific mechanisms
Motion Planning & Control: Implement kinematics, trajectory planning, and control algorithms for smooth, natural movement
Production‑Ready Systems: Build the monitoring, diagnostics, and update infrastructure needed for manufacturing a high‑volume product that is aimed at navigating the construction environment & outdoors temperatures and weather conditions.
Required
4+ years of professional software engineering experience
Strong C++ skills—you're comfortable with performance optimization, memory management, and debugging complex systems
Python proficiency for scripting, testing, and rapid prototyping
Experience with sensors, cameras, motors, or embedded systems in a professional context
Excellent debugging skills—you know how to track down issues across hardware, firmware, and software
High energy and enthusiasm for building physical products
Based in or willing to relocate to the San Francisco Bay Area. Our team works in‑person which is essential for hardware development
Preferred
ROS/ROS2 experience
Shipped a robotics product or worked on production robotic systems or similar (cars, automation of equipment, other robotics applications, etc)
Embedded development experience
Computer vision, sensor fusion, or perception experience
Background in controls, kinematics, or motion planning
Experience working in high pace, early stage startups
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Worksite address
san francisco, CA, 94199, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.