Senior Software Engineer: RL Environments & AI Task Design

Mechanize, Inc.; San Francisco (CA); On-site; USD 360,000 - 440,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life insurance

Equity

Performance bonuses

Job summary

Mechanize, Inc. is seeking an engineer to design, build, and refine RL tasks across their full lifecycle in a fast-paced, high-ownership environment.

You will direct coding agents, assess outputs, and iterate on complex environments with large codebases and real-world conventions. The role emphasizes deep software engineering across domains, strong AI model intuition, and the ability to work independently on ambiguous problems.

Qualifications

• Deep software engineering experience across multiple domains.
• Proficient in Python programming.

Responsibilities

• Design, build, and refine RL tasks across full lifecycle (ideation to iteration).
• Direct coding agents, evaluate outputs, and identify subtle failure modes.
• Contribute to shared infrastructure and tooling; mentor newer team members.

Skills

Python

Job description

Mechanize, Inc. is seeking an engineer to design, build, and refine RL tasks across their full lifecycle in a fast-paced, high-ownership environment.

You will direct coding agents, assess outputs, and iterate on complex environments with large codebases and real-world conventions. The role emphasizes deep software engineering across domains, strong AI model intuition, and the ability to work independently on ambiguous problems.