Kailash Bisht

Built and maintained RESTful backend APIs supporting core business workflows, handling 5k+ API requests per day by implementing FastAPI services following layered and clean architecture principles. Owned application security end-to-end, securing 100% of protected endpoints across multiple services by designing and implementing JWT-based authentication and role-based access control (RBAC). Designed and evolved relational database schemas managing 12+ tables and complex relationships. Improved backend API performance by 30–40% by improving SQL queries, adding strategic indexing, and introducing caching mechanisms. Enabled real-time analytics through integration of Snowflake with ELT pipelines. Led resolution of production issues, fixing P1/P2 bugs. Deployed and operated backend services on AWS using Docker. Mentored 4 junior engineers with feature development, architectural design, code reviews, and standard practices.

A travel application idea based on user-driven travel arrangements and travel package management. Engineered maintainable REST APIs for a cart-based workflow to support custom travel packages. Reduced manual operations by 50% and improved package creation efficiency by 40% by building admin-driven package and catalog management features. Developed responsive user interfaces across 10+ screens by building reusable React components with REST APIs. Designed and optimized MongoDB data models and queries supporting dynamic packages and cart workflows.

Assisted in deploying and managing cloud infrastructure on AWS across 3 environments (dev, staging, prod) by working with EC2, S3, and IAM for compute, storage, and access management. Automated CI/CD workflows for 5+ services, reducing manual deployment effort by 60% by building and maintaining CI/CD pipelines for build, test, and deployment. Enabled scalable and reliable rollouts for 4–6 microservices by Dockerizing applications and deploying them on Kubernetes using Deployments and Services.