Patronus AI · 1 week ago
Member of Technical Staff - Environments
San Francisco, CA
Full-time
Onsite
Mid Level
3+ years expPatronus AI is building hyperrealistic reinforcement learning environments to advance AGI capabilities. The role involves designing and implementing complex RL environments, collaborating with teams to create scalable systems that test and steer model behavior.
Artificial Intelligence (AI)Information TechnologyNetwork Security
Responsibilities
Design and implement RL environments that support large-scale agent evaluation and reinforcement learning experiments
Build task generation pipelines, dynamic datasets, and scripted environments with controlled complexity and stochasticity
Develop verifiers and reward models to automatically score trajectories and evaluate model reasoning
Collaborate with infrastructure and systems engineers to ensure environments are scalable, reproducible, and instrumented for detailed telemetry
Design APIs and orchestration frameworks for running, resetting, and evaluating agents across environments
Partner with research and customer teams to translate open-ended specifications into verifiable, testable systems
Optimize environment performance, logging, and reward reproducibility across distributed setups
Qualification
Required
3+ years experience in software engineering, simulation systems, or ML infrastructure
Strong command of Python and systems-level programming
Deep understanding of ML concepts. RL concepts are a plus - reward modeling, environment dynamics, verifiability, evaluation, and agent interaction loops
Experience designing scalable data pipelines, browser or API simulations (e.g. Playwright, Selenium), or distributed compute frameworks
Familiarity with instrumentation, metrics, and data pipelines for evaluation
Proven ability to translate research or product goals into robust, maintainable systems
Curiosity and conviction around building environments that steer AGI
Benefits
Health, dental, and vision insurance plans
401k plan
Fun global offsites!
Company
Patronus AI
Patronus AI operates as an automated evaluation and security platform.
11-50 employees
H1B Sponsorship
Patronus AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
Funding
Current Stage
Early StageTotal Funding
$20MKey Investors
Notable CapitalLightspeed Venture Partners
2024-05-22Series A· $17M
2023-09-14Seed· $3M
Leadership Team
Rebecca Qian
Co-Founder
Recent News
2025-12-31
2025-12-20
Company data provided by crunchbase