Vipin Sain

Delivered hands-on instruction in Python scripting and Bash scripting, guiding students through practical coding exercises, debugging techniques, and automation concepts. Conducted Computer Networks laboratory sessions using OMNeT++, enabling students to design, simulate, and analyze network topologies and protocol behaviors. Mentored students in implementing socket programming concepts (TCP/UDP) through real-time client-server application development and performance analysis. Facilitated practical training on network packet analysis using Wireshark, helping students interpret protocol layers, traffic patterns, and troubleshooting methodologies. Administered and maintained Ubuntu-based lab environments, ensuring seamless software deployment, system configuration, and infrastructure reliability for academic sessions and examinations.

Engineered and deployed high-performance FastAPI-based backend systems for the company’s flagship product, leveraging AWS/GCP services including Application Load Balancer (ALB), API Gateway, and S3 to ensure scalability, availability, and production-grade reliability. Optimized API performance by refining database queries, improving backend logic, and streamlining processes, reducing response time from 2 seconds to 600 milliseconds and significantly enhancing system efficiency. Designed and implemented secure, scalable microservices architecture with OAuth2-based authentication, token-based authorization, encryption protocols, and rate limiting to ensure data protection and resilience under heavy traffic. Delivered backend features in an Agile environment, actively contributing to sprint planning and collaborating with frontend and DevOps teams for timely and efficient project delivery. Strengthened API security and reliability through comprehensive testing using Postman and FastAPI’s OpenAPI (Swagger UI), ensuring seamless service integration and robust endpoint validation.

Development and Integration; Collaboration and Documentation; Environment Setup and Testing.