Professional Summary
Backend Engineer with 5+ years of experience building and operating high-scale Node.js applications and microservices. Expertise in Node.js, Express.js, TypeScript, REST API development, MongoDB, Redis, PostgreSQL, JWT authentication, RBAC authorization, performance optimization, caching, distributed systems, and production troubleshooting. Proven results include 40% API latency reduction, 55% query optimization, and reliable backend systems serving 100K+ concurrent users.
Core Skills
Backend: Node.js, Express.js, REST APIs, Microservices, System Design, Distributed Systems, WebSocket
Languages: JavaScript (ES6+), TypeScript
Database & Caching: MongoDB, Mongoose, PostgreSQL, Redis, Database Indexing, Query Optimization
Security: JWT Authentication, Refresh Tokens, RBAC, Rate Limiting, Input Validation, CORS
DevOps & Tools: Git, Docker, CI/CD, Jenkins, GitHub Actions, Linux, Logging, Monitoring, Bull Queue
Domain: Healthcare Systems, HIPAA Compliance
Professional Experience
- Architected and maintained scalable microservices backend platform for healthcare application supporting 100K+ users.
- Designed service boundaries, API contracts, and inter-service communication for reliable feature delivery and maintainability.
- Improved MongoDB performance with schema redesign and indexing, reducing query time by 55% and API latency by 40%.
- Implemented Redis L1/L2 caching strategy for sessions and APIs, achieving sub-200ms p95 response times at 10K+ requests/second.
- Built payment gateway abstraction for Stripe and PayPal with retry logic, idempotency, and reconciliation, reaching 99.95% success rate.
- Implemented secure authentication and authorization using JWT, refresh token rotation, and RBAC for 50K+ active users.
- Developed observability stack with structured logging, APM, and alerting; reduced MTTR from 2 hours to 20 minutes.
- Implemented queue processing with Bull and Redis for asynchronous jobs, handling 10K+ jobs per hour.
- Led backend security implementation: rate limiting, request validation, sanitization, and HIPAA-compliant audit logging.
- Developed production backend services with Node.js and collaborated with frontend teams on API contracts and data models.
- Optimized MongoDB schemas and indexes, reducing query execution time by 40% and improving application responsiveness.
- Implemented JWT-based authentication and refresh token strategy for secure user sessions and access control.
- Introduced code review and quality standards, helping reduce production bugs by approximately 30%.
- Built and maintained backend services using Node.js and Express.js for applications serving 5,000+ daily active users.
- Designed RESTful APIs with consistent error handling, improving frontend integration efficiency by around 25%.
- Implemented JWT authentication and role-based authorization for multi-role application access.
- Improved performance through indexing and caching, increasing application speed by about 30%.
Education
- B.Tech in Computer Science and Engineering - Dadi Institute of Engineering and Technology (2019, 66%)
- Intermediate (MPC) - Sri Chaitanya Jr. College (2015, 81%)
- SSC - DAV Public School (2013, 80%)
Additional Information
Languages: English, Telugu