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Flexion Robotics Tech Stack

Autonomy stack for humanoid robots using simulation and reinforcement learning

Robotics Engineering Zurich 11–50 employees Self-Owned

Flexion Robotics builds software for humanoid robot control—from perception and trajectory generation to dexterous manipulation and locomotion. The stack centers on PyTorch, NeRF, Transformers, Isaac Sim, and MuJoCo, with active development across learning-based controllers, multimodal trajectory models, and sim-to-real deployment pipelines. The organization is engineering and research-heavy (12 of 14 active hires), weighted toward senior roles, signaling focus on closing the simulation-to-reality gap and stabilizing field performance rather than pure scaling.

Tech Stack 26 technologies

Core StackPython PyTorch C++ Docker GitHub Linux Weights & Biases AWS Ansible NeRF Transformers Omniverse Git Isaac Sim MuJoCo ROS 2 LiDAR Ethernet I2C TCP/IP IPv4 URDF ROS UniFi Google Workspace Tailscale

What Flexion Robotics Is Building

Challenges

  • Transition from prototypes to real-world deployment
  • Transition from research prototypes to robust controllers
  • Scaling technical hiring engine
  • Building high-caliber pipelines for niche robotics roles
  • Scaling software across customer robot fleets
  • Stabilizing performance in the field
  • Closing sim-to-real gap
  • Scaling internal it operations
  • Protecting company ip
  • Maintaining secure cloud environments

Active Projects

  • Learning-based controllers for dexterous manipulation
  • Photorealistic 3d environments
  • Learning-based manipulation controller deployment
  • Manipulation stack definition
  • State-of-the-art multimodal models for robot trajectory generation
  • Deployment of learning-based trajectory generation for robotic systems
  • State estimation solutions for humanoid robots
  • Generative whole-body trajectory generation
  • 3d environment perception
  • Ai system integration with humanoid hardware

Hiring Activity

Accelerating15 roles · 7 in 30d

Department

Engineering
9
Research
3
HR
1
Product
1

Seniority

Senior
7
Intern
4
Mid
3
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About Flexion Robotics

Flexion Robotics develops autonomy software for humanoid robots, handling command, control, manipulation, and locomotion across hardware platforms. The product combines simulation (Omniverse, Isaac Sim, MuJoCo), learning-based controllers (PyTorch, Transformers), and 3D perception to deploy policies trained in virtual environments onto physical systems with minimal human intervention. Based in Zurich, the team operates as a self-owned company with 11–50 employees, hiring exclusively in Switzerland. Current work spans photorealistic 3D environment generation, state estimation for humanoids, whole-body trajectory generation, and field stabilization of deployed learning-based systems.

HeadquartersZurich
Company Size11–50 employees
Hiring MarketsSwitzerland

Frequently Asked Questions

What tech stack does Flexion Robotics use?

Python, PyTorch, NeRF, Transformers, Omniverse, C++, Isaac Sim, MuJoCo, ROS 2, Weights & Biases, LiDAR, Docker, GitHub, AWS, and Tailscale for infrastructure.

What is Flexion Robotics working on?

Learning-based dexterous manipulation controllers, photorealistic 3D environment generation, multimodal trajectory models, state estimation for humanoids, and deployment of sim-trained policies onto physical robot fleets.

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