Gravis Robotics
Senior Reinforcement Learning Engineer
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Gravis Robotics
Gravis Robotics is a startup that turns heavy construction machines into autonomous robots. 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. Our team has over a decade of academic experience honing the cutting edge of large-scale robotics, and is rapidly growing to bring that expertise into a trillion dollar industry through active deployments with market leaders.
About The Job
The autonomy team at Gravis builds autonomous systems for excavators operating in real construction environments. In this role, you will develop control modules designed to run across diverse machines, sites, and soil conditions. We are looking for a roboticist with a background in data-driven planning and/or control, strong Python skills, and a solid working knowledge of C++.
To thrive in this role, you should have experience working with physical robots, navigating the challenges of sim-to-real (sim2real) transfer, and deploying robotic systems into production environments.
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.
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Core Qualifications
- 2-5 years industry experience developing Reinforcement learning systems for control and/or planning and deploying them on real robots with a customer. If you only have experience with simulation, you’re most likely not a good fit for this position.
- Experience with GPU accelerated simulation environments (e.g. IsaacSim/IsaacLab, CARLA, MuJoCo)
- Strong Python skills and experience with PyTorch or similar libraries
- Proficiency in C++
- Comfortable debugging real-world system behavior
- Ability and willingness to travel as required by business projects.
Great-to-Have Skills & Experience
- Experience with hydraulic machinery
- Experience with supervised learning or imitation learning
- Research experience in reinforcement learning
- Experience deploying robotic systems at scale (e.g. hundreds of units)
- Familiarity with ROS or similar robotics frameworks
- Experience with feature-flagged deployments, staged rollouts, or long-lived platforms
- Experience with data curation for ML applications
- Experience guiding, mentoring, or leading junior colleagues, students, or project teams.
- Familiarity with or interest in utilizing AI coding tools.
This Role is a Great Fit If
- You are passionate about building systems that work reliably in the real world
- You want to help build a long-lived excavation planning and control system intended to scale and positively impact the entire construction industry.
- You are comfortable working with the realities of imperfect data and noisy measurements.
- You have a keen interest in bridging the sim2real gap and understanding the differences between simulation and physical environments.
- You are excited to help drive technical direction in a growing team transitioning from prototyping to the product stage.
- You value a collaborative team culture rooted in thoughtful design, creative thinking, mutual respect, and pragmatism.
Don't meet every requirement? If you're enthusiastic about this role but your experience doesn't match every qualification, we still encourage you to apply. You might be the perfect candidate for this or other positions.
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This is an opportunity to join a dynamic and versatile team, and to be part of a young startup that will revolutionize heavy construction.
Gravis Robotics offers a fair market salary and a working location in the vibrant city of Zurich. As a forward-facing startup, we understand that work-life balance and flexibility are important considerations for many professionals:
If you are a highly qualified candidate with the requisite skills and experience, we encourage you to apply and discuss your preferred working arrangement during the interview process.
Gravis is an equal opportunity employer. We are committed to building an inclusive and diverse team, and do not discriminate based upon race, color, ancestry, national origin, religion, sex, sexual orientation, age, gender identity, gender expression, disability, veteran status, or other legally protected characteristics.
We are an international team that is working to solve problems with a global impact: to facilitate efficient communication and collaboration, proficiency in English is a requirement for all roles.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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