
Job Overview
Location
Miami
Job Type
Contract
Category
Machine Learning Engineer
Date Posted
April 19, 2026
Full Job Description
📋 Description
- • Design, build, and iterate on MuJoCo simulation environments for robotics research and AI training
- • Implement and tune RL algorithms (PPO, SAC, TD3) to train agents on simulated tasks
- • Define reward functions, observation spaces, and action spaces that produce robust, transferable policies
- • Debug and optimize physics simulations — contact models, actuator dynamics, scene configs
- • Evaluate trained policies for stability, generalization, and sim-to-real transfer potential
- • Document environment specs, training procedures, and experimental results clearly
- • Collaborate async with research teams and stay current with advances in robot learning and embodied AI
🎯 Requirements
- • Strong hands-on experience with MuJoCo (or via dm_control, Gymnasium-Robotics, or similar)
- • Solid understanding of RL theory and practical training pipelines
- • Proficient in Python + ML frameworks (PyTorch or JAX)
- • Experience defining reward functions for complex robotic tasks
- • Familiar with robot kinematics, dynamics, and control fundamentals
- • Can read and write MJCF/XML model files and understand their physics implications
🏖️ Benefits
- • Fully remote work from anywhere on the accepted locations list
- • Competitive hourly compensation ranging from $30–$70/hr based on location and seniority
- • Flexible hours: minimum 15 hrs/week, up to 40+ hrs/week available
- • Weekly payment via PayPal or Stripe
- • Opportunity to work on cutting-edge robotics and AI research projects
- • Collaborate asynchronously with research teams and stay current with advances in embodied AI
Skills & Technologies
About G2i Inc.
G2i is a technical talent marketplace that pre-vets React, React Native, and Node.js engineers for U.S. companies. Founded by developers to solve hiring pain, it runs extensive code reviews, pair-programming interviews, and background checks before matching engineers for contract or full-time remote roles. G2i emphasizes mental health, offering a monthly wellness stipend and a zero-burnout policy. The company also provides direct-hire services and manages payroll, compliance, and ongoing support, enabling startups and enterprises to scale engineering teams quickly while maintaining code quality and developer well-being.
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