Reinforcement Learning Engineer
Posted 24 Jun 2026
Advertised as “Senior Reinforcement Learning Engineer”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 2–5 yrs
- Management level
- People management
- Employment
- Hybrid
- Contract
- Full-time
No salary listed for this role.
Gravis Robotics is a high-growth Series A start-up backed by SoftBank, bringing Physical AI to the construction industry, turning heavy construction machines into autonomous robots.
Gravis began as an ETH Zurich spin-out, and our unique combination of learning-based automation and augmented remote control lets one operator safely conduct a fleet of earthmoving machines in a gamified environment. Backed by deep robotics research and now deployed across multiple countries with leading construction and equipment partners, our team is rapidly growing to bring this technology to a trillion-dollar industry. The Gravis RACK is a machine-agnostic retrofit kit that adds autonomy to excavators and wheel loaders from 10 to 100+ tonnes: LiDAR and camera sensing, GNSS RTK, networking hardware and rugged edge compute that works offline. Paired with the Slate tablet and our Copilot software, it lets an operator run a machine manually, with AI assistance, or fully autonomously.
About the Job
The autonomy team at Gravis builds autonomous systems for excavators operating in real construction environments. You will build control modules that run on many different machines, across many sites, with different soil conditions. We’re looking for a roboticist with data driven planning and/or control background, deep python expertise and good level of C++ proficiency. To be successful in this role you should have experience working with real robots, tackling the challenges of sim2real transfer, and deploying robotic systems in a production environment.
What you will do
Learning-Based Planning and Control for Real Systems
- Develop data driven planning and control systems for autonomous excavation that generalize across machine models and soil conditions
- Contribute to simulation improvements that reduce or address the sim2real gap
- Define data collection and curation pipelines for incorporating real data in policy training
- Design experiments focused on continuous performance and robustness improvements.
- Explore the usage of adaptive and online reinforcement learning in deployed systems
- Provide mentorship and supervision for junior team members, interns, and students. System Integration
- Integrate learned components into a larger software stack
- Collaborate with excavation and motion planning engineers
- Build tools for analysing and evaluating the behavior of learned components
What we’re looking for
We recognize that excellent candidates come from diverse backgrounds with various combinations of skills. If you meet most of the core qualifications below, we highly encourage you to apply.