Senior RL Software Engineer - AI Systems, High Ownership

Mechanize, Inc.; San Francisco (CA); On-site; USD 140,000 - 220,000; Full time

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

• Experience designing and refining RL tasks across full lifecycle.
• Ability to direct coding agents, assess outputs, and iterate on complex environments with large codebases.

Responsibilities

• Lead RL design and implementation across projects.
• Direct coding agents and assess model outputs to improve environments.

Skills

AI model intuition

Software engineering

Independent work

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.