Backend Software Engineer (Remote)

Canada
Remote
Posted Nov 9, 2026
1 position

Applications are currently unavailable for this posting.

Employment type: Contract
Posting language: English
Working hours: 15 hours per week

Job summary

Create realistic and challenging coding tasks for AI systems, focused on feature implementation and bug fixes. Build deterministic verifiers that accept valid solutions and reject invalid ones.

Job details

Role Title: Software Engineer – Backend Role Type: Contractor (~15 hrs a week) Location: Remote Schedule: Flexible, you pick the hours and days (including weekends if desired) Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters. You'll create realistic, interesting and challenging coding tasks for AI to solve involving feature implementation and bug fixes, and implement deterministic verifiers that accept reasonable valid solutions and reject everything else. What we're looking for 1. Strong backend experience in Java, Node.js, Go, Rust, Typescript, Python, C++ or similar 2. A track record building scalable services and APIs 3. Comfort with debugging, performance work and automated testing 4. Solid code review instincts Preferred Qualifications 1. Proven experience in backend development, with a track record of delivering high-quality and performant projects. 2. Demonstrated success in identifying and resolving software bugs and system bottlenecks. 3. Experience with codebase refactoring and implementing complex features in large-scale applications. 4. Strong understanding of algorithms, data structures, and foundational computer science concepts. 5. Excellent analytical, problem-solving, and technical communication skills. A note on the process: our interview and assessment stages are designed to see how you think, so we ask that you complete them without outside assistance. The same applies once you're on the project — the value of the work comes from your own judgment. Process: 1. Apply to the role, filling out the screening questions 2. Complete AI Interview (approx. 15/20 minutes) 3. Technical Assessment (Tentative) 4. Hiring Manager review Compensation Structure Compensation is output-based; experts are paid per task that meets the project specifications. The time required to complete work may vary depending on the expert’s experience and workflow. Minimum submission requirements apply. Experts must submit a minimum of tasks per week. Start Timeline & Availability We typically fill roles within 48 hours and are looking for experts ready to jump in right away. If selected, we expect you to start your first tasks within 24–48 hours of completing onboarding. What You’ll Do 1. You'll create realistic, interesting and challenging coding tasks for AI to solve involving feature implementation and bug fixes, and implement deterministic verifiers that accept reasonable valid solutions and reject everything else. Apply Now!

What you’ll do

Create realistic and challenging coding tasks for AI systems, focused on feature implementation and bug fixes. Build deterministic verifiers that accept valid solutions and reject invalid ones.

Requirements

Candidates should have strong backend development experience and a track record building scalable services and APIs. They should be comfortable with debugging, performance optimization, automated testing, code review, and foundational computer science concepts.