Software Engineer - Backend

[Applicants: Over 200 applicants | Industry: Technology, Information and Internet | Type: Contract | Level: Mid-Senior level] SWE - Backend (Contract)LabelboxRemote (United States preferred) Shape the data that powers frontier AIQuick factsEngagement - Hourly, at‑will contractorSchedule - Fully remote & asynchronous (min. 15 hrs/week)Pay Range (US) - \$25 – \$100 per hourStart Date - Rolling — staffed as projects launchWhat You’ll Do- Review and evaluate AI-generated backend code (e.g., Node.js, Python, Java, or Go) for correctness, efficiency, scalability, and clarity-Write high-quality backend solutions to server-side and API development problems across varying difficulty levelsCreate clear, developer-friendly explanations for architectural decisions, code logic, and problem-solving strategiesIdentify and flag edge cases or ambiguities in problem statements or AI responsesYou’re a great fit ifFluent in English, with strong written communication skills and the ability to clearly explain backend coding conceptsExpertise in backend development: Deep familiarity with server-side languages and frameworks (e.g., Node.js, Python, Java, Go), RESTful APIs, databases, and asynchronous programming3–5 years of experience with backend frameworks, tools, or domains (e.g., Express, Django, Spring Boot, microservices, cloud platforms) is a plusBachelor’s degree (or pursuing one) in Computer Science or a related field.