Freelancer Profile
Sudarsan Khan
@sudarsan_khan
I help businesses scale with reliable, high-performance backend systems.
About Sudarsan Khan
Senior Backend Engineer
I am a backend engineer with almost 11 years of experience building scalable systems using Node. I design APIs, handle large datasets, and ensure systems remain reliable under real-world load. I have worked on financial and automation platforms where performance and accuracy are critical. I focus on clean architecture, efficient data handling, and delivering production ready solutions that scale with business needs.
I am a backend engineer with almost 11 years of experience building scalable systems using Node. I design APIs, handle large datasets, and ensure systems remain reliable under real-world load. I have worked on financial and automation platforms where performance and accuracy are critical. I focus on clean architecture, efficient data handling, and delivering production ready solutions that scale with business needs.
Skills
- MONGOdb
- Node.js
- JavaScript (ES6+)
- Performance Optimization
- System Design
- Authentication & Authorization (JWT, OAuth)
- CI/CD Pipelines
- Microservices Architecture
- Debugging & Troubleshooting
- REST API Design
- Distributed Systems
- Redis (Caching)
- SQL (PostgreSQL/MySQL)
- AWS (EC2, S3, API Gateway, etc.)
- Asynchronous Programming
- Message Queues
- API Security (CORS, rate limiting, Helmet)
- Data Modeling & Aggregation
- Code Review & Technical Mentoring
Education
- Indian Institute of Engineering Science and Technology, ShibpurComputer Science & Technology | Graduation year 2014
Certificates
AWS Certified Solutions Architect – Associate - Simplilearn
Feb 2026
