Debabrata Saha

Professional backend engineering for production-grade APIs, services, workers, databases, authentication, authorization, integrations, queues, observability, testing, reliability, and security. Use when the agent needs to build, improve, review, debug, or harden backend systems in Node.js, Python, Go, Java, .NET, Ruby, PHP, SQL, NoSQL, REST, GraphQL, WebSockets, event-driven systems, or similar backend stacks. Triggers on requests to build APIs, services, workers, webhook handlers, auth systems, database layers, background jobs, queues, cron tasks, billing flows, or server-side features. Also triggers on requests to fix slow queries, race conditions, deadlocks, failing tests, deployment issues, or to review backend code for security, correctness, and reliability.

Expert frontend engineering and high-end UI implementation for web apps, mobile apps, dashboards, SaaS tools, landing pages, design systems, responsive layouts, accessibility, visual polish, and frontend bug fixing. Use when the agent needs to build, improve, review, or debug frontend experiences in React, Next.js, Vue, Svelte, HTML/CSS, React Native, Expo, Tailwind, CSS Modules, shadcn/ui, or similar frontend stacks. Triggers on requests to build UI, webapp, dashboard, admin panel, mobile app, PWA, component library, design system, or convert designs/mockups to code. Also triggers on requests to make UI "premium," "modern," "responsive," "mobile-first," "production-ready," or to fix CSS/layout bugs like overflow, clipping, broken mobile views, or poor alignment.