Sr Full Stack Developer - Remote

Full-Stack Software Engineer Location: Global, Fully Remote Job Type: Contractor (~15 hours/week) Schedule: Flexible Required Skills Python React JavaScript Java Node.js Rust Go TypeScript Job Summary We are looking for skilled Full-Stack Software Engineers to contribute to an AI training project involving software development, debugging, technical problem-solving, system architecture, and code evaluation. You'll work across both front-end and back-end systems, creating, solving, reviewing, and validating challenging software-engineering tasks. The role may also involve translating complete coding projects from one programming language to another. What You'll Work On Develop, modify, and debug front-end and back-end components. Implement user-facing features, APIs, services, and data models. Trace requests and data across applications, APIs, databases, and integrations. Work with unfamiliar repositories and understand existing architectures. Diagnose issues involving application state, APIs, authentication, databases, networking, and deployment. Evaluate and improve code across multiple programming languages. Review AI-generated solutions for correctness, performance, security, and maintainability. Required Qualifications Strong professional experience developing production full-stack applications. Hands-on experience with both front-end and back-end engineering. Experience working with multiple programming languages. Strong understanding of browser applications, APIs, databases, application state, and service integration. Ability to understand and contribute to complete software-system architectures. Comfortable working in unfamiliar codebases. Strong debugging, analytical, and technical problem-solving skills.