Sr.
Full?Stack Software Engineer - RemoteFull-Stack Software EngineerLocation: General, Fully RemoteJob Type: Contractor | ~15 hours/weekSchedule: FlexibleWe're looking for experienced Full-Stack Software Engineers to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving.Key Responsibilities Develop and debug front-end and back-end applications.Build features, APIs, services, and data models.Understand and work across unfamiliar codebases.Troubleshoot application, API, database, and integration issues.Review and evaluate AI-generated code for correctness, security, performance, and maintainability.Translate and adapt software builds between programming languages.
Required Skills PythonReactJava ScriptJavaNode.JsRustGoType ScriptStrong full-stack development experienceExperience with APIs, databases, application architecture, and debugging Hiring Process Submit application and screening questions.Complete a ~30-minute AI interview.Complete a technical assessment, if required.Hiring manager review.
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📌 Senior Full-Stack Engineer — Hybrid + Equity (Madrid)
🏢 Lexroom
📍 Madrid