Associate Software Engineer, RLE

Handshake • San Francisco, CA

2d • Onsite

About The Position

We’re hiring an Associate Software Engineer to help build our Reinforcement Learning Environments (RLE) platform—the systems where frontier AI models learn to complete real-world work. This is a hands-on, growth-oriented role where you’ll contribute to building core systems, learn quickly from senior engineers, and gain exposure to cutting-edge AI infrastructure.

Requirements

• 0–2 years of experience (internships or full-time) in software engineering
• Familiarity with backend development and APIs
• Working knowledge of ReactJS and TypeScript
• Understanding of databases (e.g., PostgreSQL) and basic system design
• Eagerness to learn and operate in fast-paced environments

Nice To Haves

• Exposure to cloud platforms (AWS, GCP)
• Experience with data pipelines or ML-adjacent systems
• Interest in AI/ML or simulation systems

Responsibilities

• Contribute to building RLE environments and supporting infrastructure
• Implement features across backend systems and frontend interfaces
• Work with senior engineers to improve system reliability and performance
• Help build modular workflow domains (e.g., engineering, finance, legal)
• Support data pipelines that power model training and evaluation

Benefits

• Equity in a fast-growing company
• 401(k) match
• Competitive compensation
• Financial coaching
• Paid parental leave
• Fertility benefits
• Parental coaching
• Medical, dental, and vision
• Mental health support
• $500 wellness stipend
• $2,000 learning stipend
• Ongoing development
• Commuting support
• Free lunch
• Gym in our SF office
• Flexible PTO
• 15 holidays + 2 flex days
• Team outings & referral bonuses

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: No Education Listed
• Number of Employees: 501-1,000 employees