Devvrat Maddheshiya

Founded Notapex, an AI-powered EdTech platform enabling creators, teachers, coaching institutes, and students to securely publish and consume educational content across web and mobile. Led the full technical architecture, collaborating on implementation across React/Next.js, Node.js, Express, Prisma, PostgreSQL, AWS services, and React Native. Built and published a companion Android app on Google Play with secure PDF viewing and screenshot protection. Designed role-based dashboards (seller, buyer, admin), creator channels, and analytics, and processed 20+ transactions via Razorpay. Shipped AI handwritten notes conversion and an AI presentation generator using OCR and the Gemini API, while managing AWS infrastructure including EC2, S3, SQS, Lambda, Textract, IAM, and ECR.

Owned enterprise CRM modules for warranty registration, complaint management, and customer lifecycle operations across five clients, reducing average resolution time through workflow automation. Built WhatsApp Business Platform features including embedded signup, template/campaign management, and analytics dashboards, plus a configurable React Flow-based workflow automation engine that reduced setup time from 2 days to 20 minutes. Designed and shipped serverless event-driven AWS architecture using Lambda, SQS, Step Functions, and API Gateway with fault tolerance and scalability, handling 10,000+ requests/day across 25+ APIs and 15+ Lambda functions. Containerized services with Docker and managed image lifecycle via AWS ECR, deploying through GitHub Actions CI/CD. Wrote Jest unit and integration tests to improve release confidence, integrated Meta Graph API and Razorpay, and mentored junior developers while supporting production issue resolution with enterprise clients.

Designed and delivered 35+ responsive, SEO-optimized production screens while integrating 50+ REST APIs and implementing complex frontend business logic with robust state management and reusable components.