• Architected a scalable monorepo setup with Fastify, tRPC, and React.

• Developed type-safe backend APIs using Drizzle ORM with PostgreSQL.

• Implemented AI-powered lead research using OpenAI API and BullMQ queues.

• Built a real-time dashboard using WebSocket subscriptions and TanStack Query.

• Integrated Stripe for subscription and payment automation with secure webhook handling.

• Designed a responsive UI using Tailwind CSS, ShadCN UI, and Radix UI primitives.

• Created modular and reusable frontend components with full TypeScript type safety.

• Implemented JWT authentication, role-based access control, and secure token refresh flow.

• Developed background job queues for automation workflows and email sending.

• Configured Redis caching, session management, and graceful queue shutdown handling.

• Led deployment and server configuration using VPS, PM2 process manager, and Nginx reverse proxy.

• Collaborated with a small team of two developers using Git version control and code reviews.

• Reduced manual lead processing time by over 80% through background job automation.

• Improved data consistency and scalability with fully type-safe end-to-end communication (tRPC).

• Enabled real-time updates via WebSockets for live campaign tracking and job progress.

• Delivered a production-ready SaaS infrastructure supporting multi-tenancy and subscriptions.

• Enhanced performance and reliability through optimized server deployment and monitoring.