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. Show more Show less

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.

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.