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This is a fully remote position, open to candidates based in Mexico.

Pay: $45–$65/hr

Job Title: Competitive Coder

Job Type: Contractor (15hrs+ a week)

Location: Remote

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.

As an expert you will be creating Reinforcement Learning Environments which test an AI model’s ability to solve complex competitive programming problems. You will be tasked with creating a unique custom problem absent from all existing online judges, creating a reference solution and creating a robust test suite.

Key Responsibilities:
- Design and implement checkers for competitive programming problems with multiple valid outputs,



ensuring accuracy and robustness.
- Evaluate and validate participant submissions against complex problem statements sourced from platforms like Codeforces.
- Collaborate with the customer's team to fine-tune problem requirements and clarify ambiguous scenarios.
- Develop clear, maintainable code in C++ to assess diverse outputs and edge cases efficiently.
- Document checker logic and communicate intricacies or edge cases in both written and verbal form.
- Provide feedback to problem setters and reviewers on potential improvements to test cases and checkers.
- Stay updated with evolving competitive programming standards and incorporate best practices into checker development.

Required Skills and Qualifications:
- Expertise in competitive programming and coding problem analysis.
- Advanced proficiency in C++ for implementing robust checker solutions.
- Strong analytical abilities to interpret complex

📌 Competitive Coder (Ciudad de México)
🏢 RemoteJobsOne
📍 Ciudad de México