Dushyant Sharma

Node.js Backend Developer with 4+ years of experience building scalable REST APIs, microservices, and real-time applications using Node.js, Express.js, MongoDB, MySQL, Redis, Socket.IO, RabbitMQ, Docker, and AWS. Proven track record of improving application performance, optimizing database systems, and delivering production-grade backend services. Experienced in authentication systems, cloud deployments, CI/CD automation, and distributed architectures.

Freelance Backend Developer at Freelance (2025-02 – Present)

• Improved API response performance by 40% through scalable REST APIs and Redis caching.
• Reduced database read load by 35% using Redis caching for high-traffic applications.
• Increased system scalability by 50% through microservices architecture using RabbitMQ and Docker.
• Implemented JWT authentication, OAuth2 authorization, RBAC, and security best practices.
• Accelerated deployment cycles by 30% through CI/CD pipelines and AWS cloud infrastructure.
• Integrated third-party APIs, payment gateways, and external business services.
• Reduced debugging time by 25% using structured logging, monitoring, and technical documentation.

Node.js Backend Developer at ToXSL Technologies (2023-08 – 2025-01)

• Reduced REST API latency by 30% through API optimization and database indexing.
• Improved database efficiency by 15% through query optimization.
• Supported 500+ concurrent WebSocket connections using Socket.IO.
• Implemented JWT authentication, OAuth2 authorization, and RBAC systems.
• Improved software quality through testing and code reviews.
• Automated deployment workflows using Docker and GitLab CI/CD.
• Integrated external APIs and payment services.

Node.js Developer at Cloud Capstone (2021-06 – 2023-08)

• Developed and maintained 20+ REST API endpoints supporting thousands of daily users.
• Improved MongoDB query performance by 25% through indexing and schema optimization.
• Increased API reliability through validation and centralized error handling.
• Collaborated with frontend developers in Agile/Scrum environments.
• Integrated third-party services and external APIs.
• Supported deployment and maintenance of production systems.

Post Graduate Diploma in Computer Applications in PGDCA – Dr. C.V. Raman University

Bachelor of Computer Applications in BCA – Dr. C.V. Raman University

Diploma in Computer Engineering – Govt. Polytechnic Hamirpur

Diploma in Computer Applications in DCA – ALMA, Mandi