Senior AI-Assisted Full-Stack Engineer

We are seeking a senior full-stack engineer or technical lead experienced in AI-assisted software development using Claude Code, OpenAI Codex and coding agents. The work involves reviewing and continuing an existing private SaaS codebase, validating work produced with Claude, resolving architectural and integration issues, implementing missing functionality, adding automated tests, and preparing the product for secure production deployment. Required: • Strong React/Next.js, TypeScript and Node.js experience • Proven Claude Code, Codex or agentic-development workflow • GitHub branching, pull requests and code-review experience • Backend APIs, databases, authentication and role-based permissions • Automated testing, CI/CD and production deployment • Ability to audit an existing codebase and provide evidence-based findings • Excellent documentation and communication Please explain: 1. Which production applications you built using Claude Code, Codex or coding agents. 2. What work the AI performed and what you personally reviewed or implemented. 3. How you prevent AI-generated code from introducing security or architectural problems. 4. How you would audit and safely continue an existing private repository. 5. Whether you can complete a small paid technical assessment before the main contract. Confidentiality and protection of intellectual property are essential. Repository access will be controlled and provided only after contracting and signing the required confidentiality agreement.