Remote Software engineering Jobs · Reinforcement Learning

Job listings

  • Build sandboxed environments that wrap real Niural workflows, stateful across episodes and seeded for reproducibility.
  • Design programmatic verifiers from known ground truth, scoring trajectories to prevent reward hacking.
  • Train agents via RL loops, curriculum schedules, and fine-tuning, then publish negative results internally.

Niural is a global Payroll, Employer of Record (EOR), Agent of Record (AOR), and Contractor Management platform that empowers businesses in the digital economy. We are a team building foundational internet infrastructure with a focus on speed, ownership, and ambition.

Unlimited PTO

  • Build the environments and verifiers our models train against
  • Own the synthetic data pipeline, from generation through quality gates
  • Ship models into production and keep improving them on real usage

LiveKit builds the infrastructure layer for the voice-driven era of computing, enabling developers to build, deploy, and scale voice AI applications. Founded in 2021, they power voice AI for major companies and have a small, senior team that values craft and creativity.

Global 6w PTO 26w maternity 26w paternity

  • Build new RL environments targeting different agentic capabilities and industry areas.
  • Train and evaluate agents in those environments, improving both agents and environments.
  • Work across modeling and product to identify performance gaps and automate measurement.

Cohere is a security-first enterprise AI company building cutting-edge foundation models and end-to-end products. It is a global team of researchers, engineers, and designers headquartered in Toronto with offices worldwide.

  • Build systems that estimate causal response, choose actions, and generate useful information while updating policies and deploying within guardrails.
  • Work across causal modeling, uncertainty estimation, contextual bandits, policy learning, and production ML infrastructure.
  • Success is measured by measurable economic lift in controlled experiments, safe automation, and systems that improve by operating the business.

CSC Generation builds closed-loop decision systems that use machine learning to operate consumer businesses more intelligently. The company focuses on areas such as pricing, inventory, purchasing, promotions, marketing, and assortment.

$120–$120/hr

  • Design and implement tool-based environments for knowledge work simulations.
  • Write clean and modular code to support reinforcement learning training pipelines.
  • Troubleshoot and refine environment mechanics based on testing feedback.

Terac is building the world's largest pool of vetted human experts for AI. They are a platform for researchers and AI labs to recruit, screen, and pay study participants across industries and skill sets.

$250,000–$350,000/yr

  • Co-direct the research program in partnership with the founder to shape scientific vision and technical execution.
  • Develop RL feedback loops translating high-throughput biological measurements into reward signals for biological language models.
  • Perform hands-on engineering including architecting model training infrastructure and building, running, and debugging models.

Astera is a private foundation steering science and technology toward an abundant future by supporting projects as high-velocity startups. It operates unlike traditional non-profits, focusing on ambitious goals with strong technical talent and significant resources.