Software Engineer Position: Software Engineer Type: Contractor — ~15 hours/week Compensation: $30–$100/hour

Location:
Remote About the Opportunity Help train next-generation AI systems by creating challenging coding tasks and implementing deterministic verifiers that distinguish valid solutions from incorrect ones. No prior AI experience is required — your software engineering expertise is what matters.

Key Responsibilities

- Create realistic coding tasks involving feature implementation and bug fixing .
- Build deterministic verifiers that accept valid solutions and reject incorrect ones.
- Debug, test, optimize, and refactor code.
- Evaluate solutions using strong code review and testing practices. Required Qualifications
- Strong backend experience with Java, Node.js, Go, Rust, TypeScript, Python, C++ , or similar.
- Experience building scalable services and APIs .
- Strong debugging, performance optimization, and automated testing skills.
- Solid code review and software engineering judgment.



Preferred Qualifications
- Experience with large-scale application development and refactoring .
- Strong knowledge of algorithms, data structures, and computer science fundamentals .
- Experience designing test strategies, maintaining large test suites, or diagnosing flaky tests.
- Strong analytical, problem-solving, and technical communication skills. Compensation
- $30–$100/hour, output-based.
- Approximately 100 positions available.
- Minimum weekly task submissions apply.
- Adaptable scheduling, including weekends if desired. Application Process 1. Submit your application and screening questions. 2. Complete a ~30-minute AI interview. 3. Complete the technical assessment, if required. 4. Hiring Manager review. Start Timeline: Selected experts are expected to begin their first tasks within 24–48 hours of onboarding .

📌 Senior Software Engineer (España)
🏢 Synthires
📍 España