Software Engineer Backend

Software Engineer – Backend

Work Details

• Remote (global- candidates from all over the world can apply)
• Contractor
• Approximately 15 hours per week
• Flexible schedule — choose your own hours and days
• Weekend availability is also possible
• Immediate availability preferred
• Minimum weekly task submission requirements apply

We are looking for strong Backend Software Engineers to contribute to projects focused on training and evaluating next-generation AI systems.

Prior AI/ML experience is not required. We are primarily looking for engineers with strong hands-on coding ability, backend development experience, and excellent problem-solving skills.

About the Role

You will use your software engineering expertise to create realistic and challenging coding tasks and develop reliable solutions and deterministic verifiers for evaluating AI-generated code.

Your work may involve:

• Feature implementation
• Bug fixing and debugging
• Codebase refactoring
• Performance optimization
• Algorithms and data structures
• Backend services and APIs
• Automated testing
• Code review
• Test and verifier development

Required Skills

Strong hands-on experience with one or more of:

• Python 3
• Java
• Rust
• TypeScript / Node.js
• Go
• C++

We are particularly interested in candidates with:

• Strong algorithms and data structures fundamentals
• Backend service and API development experience
• Proven debugging and bug-fixing experience
• Experience implementing complex features
• Experience refactoring existing codebases
• Performance optimization experience
• Automated testing experience
• Strong code review judgment
• Excellent analytical and problem-solving skills
• Ability to understand and work with unfamiliar codebases

Preferred Qualifications

• Experience working with multiple programming languages
• Large-scale or distributed backend systems experience
• Performance-critical application experience
• Experience with complex or mature codebases
• Test frameworks, validation systems, or automated evaluation experience
• Developer tooling experience
• AI/LLM evaluation or AI engineering experience

AI/ML experience is not mandatory.

Selected candidates should be prepared to begin their first tasks within 24–48 hours after completing onboarding.