Backend Developer — Remote

Job overview

The Backend Developer — Remote role is fully remote; the listing identifies San Francisco, CA, but does not specify a broader remote scope. Compensation is output-based, paid per task meeting project specifications; no numeric pay rate is specified. YO AI Labs is recruiting experienced software engineers for an AI training project. The role creates reproducible reinforcement-learning environments and verification materials that assess AI models on complex software engineering tasks. Work includes designing coding scenarios, evaluating AI agents’ reasoning and tool use, and documenting solutions and technical feedback.

What you'll do

• Create reinforcement-learning environments and software engineering tasks
• build deterministic verification systems and reference solutions
• evaluate AI agents’ reasoning and use of Model Context Protocol tools
• develop reproducible scenarios
• document solutions and provide technical feedback.

What we're looking for

Skills & competencies

backend developer

remote

yo ai labs

software engineering

ai training

reinforcement learning

python

java

rust

c++

typescript

mcp tools

output-based compensation

Work arrangement

• Weekend coverage required

Why this role

The posting describes contractor work of approximately 15 hours per week and output-based payment per qualifying task; no prior AI experience is required.

About the employer

YO AI Labs is hiring for this role. Industry: Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). Sector: 54.