Remote Backend Engineer (Contractor) for Open Source AI

Weekday; Oregon; Hybrid; USD 69,000 - 138,000; Full time

Job summary

Weekday is seeking a strong software engineer for a remote contractor role. You will create challenging programming tasks, develop deterministic evaluation environments, and implement robust reference solutions while following best practices.

You should contribute to open-source projects and design scalable backend components. The position offers flexible hours, world‑wide remote work, and compensation on a per-task basis.

Qualifications

• Strong software engineering experience across languages and backend systems.
• Open-source contributions, public portfolio preferred.
• Solid understanding of data structures, algorithms, and debugging techniques.
• Experience with automated testing, code validation, and QA.

Responsibilities

• Create realistic programming tasks with bug fixes, features, refactoring, and performance optimization.
• Build deterministic RL environments with dependencies, tests, configurations, and run instructions.
• Develop golden reference solutions showing expected behavior and meeting task requirements.
• Design deterministic evaluators and test cases to validate correct implementations.

Skills

Software engineering experience

Open Source Contributions

Backend Development/API Design

Programming languages: Python/Java/C++

Debugging and Troubleshooting

Data Structures & Algorithms

Automated Testing & QA

Code Review & Refactoring

Performance Optimization

Job description

Weekday is seeking a strong software engineer for a remote contractor role. You will create challenging programming tasks, develop deterministic evaluation environments, and implement robust reference solutions while following best practices.

You should contribute to open-source projects and design scalable backend components. The position offers flexible hours, world‑wide remote work, and compensation on a per-task basis.