SAI KRISHNA

Backend Developer | API Architect | IoT & Healthcare Solutions

Guntur, Andhra Pradesh, India

TypeScript Node.js PostgreSQL MQTT & IoT REST APIs Python

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About Me

Backend Developer specializing in building scalable, high-performance APIs and microservices. Expertise in IoT systems, healthcare applications, HR tech platforms, and agricultural technology. Proficient in TypeScript/Node.js ecosystem with hands-on experience in real-time communication (MQTT, WebSockets), AI/ML integration, and cloud infrastructure. Strong focus on clean architecture, type safety, and production-ready solutions.

14+

Backend Projects

6+

Industries Served

20+

Technologies Mastered

Technical Skills

Languages

TypeScript JavaScript Python

Frameworks

Hono.js Express.js FastAPI

Databases & ORMs

PostgreSQL MongoDB LibSQL Drizzle ORM Mongoose

Real-Time & IoT

MQTT Socket.io WebSocket WebRTC RabbitMQ

Cloud & Infrastructure

AWS (S3, SDK) Firebase Admin Docker BullMQ

Auth & Security

JWT (HS512) Argon2 Bcrypt RBAC Firebase Auth

Validation & Patterns

Zod Valibot Result/Either Pattern Factory Pattern Service Layer

Tools & Others

Git Bruno Postman Drizzle Kit Pino Logging

Education

Kallam Haranadhareddy Institute of Technology