Senior Backend Engineer - Remote AI RL (Contractor)

YO AI Labs; Ottawa; Remote; CAD 83,000 - 138,000; Full time

Job summary

YO AI Labs is seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software tasks using MCP tools.

You will design reproducible environments, deterministic verification, and reference solutions for tasks like bug fixing, feature development, codebase refactoring, and performance optimization. Remote contractor role with ~15 hours per week.

Qualifications

• Experience designing reinforcement learning environments for software tasks.
• Ability to build deterministic verification and reference solutions.
• Experience evaluating AI agents on complex codebases.
• Strong remote-work communication and collaboration skills.

Responsibilities

• Create reinforcement learning environments for software engineering tasks.
• Design tasks involving bug fixing, feature development, refactoring, and performance optimization.
• Build deterministic verification systems and golden reference solutions.
• Evaluate AI agents' ability to reason through complex codebases and use MCP tools effectively.
• Develop realistic, reproducible software engineering scenarios.
• Ensure tasks accurately measure coding ability, problem-solving, and tool usage.
• Document solutions and provide clear technical feedback.

Skills

Python

Java

Rust

C++

TypeScript

Algorithms

Bug fixing

Feature implementation

Code refactoring

Performance optimization

Communication

Attention to detail

MCP tools

Job description

YO AI Labs is seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software tasks using MCP tools.

You will design reproducible environments, deterministic verification, and reference solutions for tasks like bug fixing, feature development, codebase refactoring, and performance optimization. Remote contractor role with ~15 hours per week.