Software Engineer – Backend

Software Engineer – BackendWork DetailsRemote (global- candidates from all over the world can apply)ContractorApproximately 15 hours per weekFlexible schedule — choose your own hours and daysWeekend availability is also possibleImmediate availability preferredMinimum weekly task submission requirements applyWe 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 RoleYou 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 implementationBug fixing and debuggingCodebase refactoringPerformance optimizationAlgorithms and data structuresBackend services and APIsAutomated testingCode reviewTest and verifier developmentRequired SkillsStrong hands-on experience with one or more of:Python 3JavaRustTypeScript / Node.jsGoC++We are particularly interested in candidates with:Strong algorithms and data structures fundamentalsBackend service and API development experienceProven debugging and bug-fixing experienceExperience implementing complex featuresExperience refactoring existing codebasesPerformance optimization experienceAutomated testing experienceStrong code review judgmentExcellent analytical and problem-solving skillsAbility to understand and work with unfamiliar codebasesPreferred QualificationsExperience working with multiple programming languagesLarge-scale or distributed backend systems experiencePerformance-critical application experienceExperience with complex or mature codebasesTest frameworks, validation systems, or automated evaluation experienceDeveloper tooling experienceAI/LLM evaluation or AI engineering experienceAI/ML experience is not mandatory.Selected candidates should be prepared to begin their first tasks within 24–48 hours after completing onboarding.