Software Engineer II, Reinforcement Learning Environments

The role

You will design, build, and scale the Reinforcement Learning Environments (RLE) platform and its infrastructure. You will work with US-based teams to implement backend services, data generation pipelines, and modular environment domains.

What you will do

• Design, build, and scale the Reinforcement Learning Environments (RLE) platform and infrastructure
• Partner with Engineering, Research, Product, and Operations teams in the US
• Design and implement scalable backend services and data generation pipelines
• Build modular environment domains for model training and evaluation workflows
• Improve platform reliability, observability, performance, and developer productivity
• Participate in technical design discussions and architecture decisions
• Write high-quality, maintainable code and improve engineering standards

Required qualifications

• 3+ years of professional software engineering experience building backend systems, distributed systems, or platform infrastructure
• Strong proficiency with TypeScript, React, and modern backend architectures
• Strong understanding of PostgreSQL, data modeling, distributed systems, and system design
• Experience building and operating production systems on AWS or GCP
• Strong problem-solving skills
• Ability to thrive in fast-moving, ambiguous environments
• Experience collaborating effectively with globally distributed engineering teams, including teams based in the US

Nice to have

• Experience with reinforcement learning infrastructure, simulation systems, or AI evaluation platforms
• Experience building internal developer platforms or workflow orchestration systems
• Familiarity with Docker, Kubernetes, and CI/CD pipelines
• Experience supporting applied ML or AI research teams
• Experience working in a fast-growing startup or high-growth engineering organization

Benefits

• Generous Equity Grant vested over 4 years
• Housing Bonus: 1.3 Lakhs spread throughout the first year
• Well Defined Performance Bonus ranging between 10 - 100% of base
• Medical Insurance Coverage
• Food credit for every in person day

About the company

Handshake powers 25 million job seekers, 1 million+ employers, and 1,600 educational institutions. Handshake AI works with frontier AI lab researchers to create evaluations, publish benchmarks, and push the boundary of data.