Junior Software Engineer
Mechanize, Inc.1 year ago
Base Salary
$300k - $300k/yr
Responsibilities
- Design, build, and refine reinforcement learning tasks.
- Create task ideas that reveal interesting failures in frontier coding models.
- Implement task environments and automated grading infrastructure.
- Run frontier models against tasks and analyze where and why they fail.
- Distinguish genuine model capability gaps from grader issues.
- Iterate on tasks until they are rigorous and fair.
- Direct coding agents, evaluate their output, and identify subtle failures.
- Own tasks from conception through completion with regular check-ins and feedback.
Requirements
- Just graduated or about to graduate.
- Ability to code in Python.
- Strong technical fundamentals and intuition about AI model behavior.
- Ability to work independently with high ownership.
- Creative problem-solving skills and motivation for technically challenging work.
- Prior professional software experience is not required.
- Prior ML or AI experience is not required.
Benefits
- Health, dental, vision, and life insurance.
- Based on a roughly 20-person team in San Francisco; work arrangement is not specified.
- Equity and performance bonuses are included in compensation.
About Mechanize, Inc.
Mechanize builds reinforcement-learning environments that AI labs use to train and evaluate code-generation models, and licenses these environments as products and services. It primarily serves frontier AI research groups and model teams, providing tasks, benchmarks, and infrastructure tailored for coding agents. The privately held company is headquartered in San Francisco and has been covered by the New York Times; backers include Patrick Collison, Nat Friedman, Daniel Gross, Jeff Dean, and others.