Design, build, and maintain full-stack applications end-to-end Translate high-level ideas into working, production-ready solutions Make architecture decisions that balance speed, scalability, and simplicity Build backend services using Node.js and/or Python Design and maintain APIs (REST, webhooks, async workflows) Work with relational databases (PostgreSQL / MySQL) and data models Handle authentication, authorization, data validation, and error handling Build clean, responsive user interfaces using modern frameworks (React, Next.js, or similar) Design intuitive workflows for complex or data-heavy features Implement thoughtful UI states, loading behavior, and error handling Integrate AI services (e.g., LLMs, automation workflows, enrichment services) into applications Design systems that safely and effectively leverage AI capabilities Work with structured and unstructured data to power AI-driven features Use Replit as the primary development and collaboration environment Manage project structure, environments, secrets, and deployments Embrace fast iteration, testing, and continuous improvement Debug issues across frontend, backend, and data layers Implement application-level logging, monitoring, and error visibility Ensure systems are secure, reliable, and maintainable over time