Hemakumar

Full Stack Developer

3+ years of expertise in designing, developing, and deploying high-performance Node.js and TypeScript applications. Specialized in MongoDB, Socket.IO, microservices architecture, and cloud infrastructure.

3+
Years Experience
50+
Projects Completed
99%
Client Satisfaction
Node.js
MongoDB
TypeScript

About Me

Passionate about building scalable, efficient, and user-friendly applications that solve real-world problems.

Full Stack Developer & Backend Specialist

I'm a passionate developer with over 3 years of experience in building robust, scalable web applications. My expertise lies in Node.js, TypeScript, and modern backend technologies, with a strong focus on real-time systems and microservices architecture.

I love solving complex problems and turning ideas into reality through clean, efficient code. My approach combines technical excellence with business understanding to deliver solutions that not only work well but also provide real value to users.

What I Bring to the Table

  • Expert-level Node.js and TypeScript development
  • Advanced MongoDB and database optimization
  • Real-time systems with Socket.IO
  • Microservices architecture design
  • Cloud infrastructure and DevOps practices
  • API development and integration
50+
Projects Completed
30+
Happy Clients
99%
Success Rate
100%
Security Focus

Core Technologies

Node.js
MongoDB
TypeScript

Professional Experience

A journey of growth, innovation, and delivering exceptional results

Backend Developer

WILLEDER INC
2023 - Present
Remote

Leading backend development for multiple enterprise applications, focusing on scalable architecture and real-time systems.

Key Achievements:

  • Developed microservices architecture supporting 100K+ concurrent users
  • Implemented real-time chat system with Socket.IO and Redis
  • Optimized database queries resulting in 60% performance improvement
  • Led team of 5 developers in agile environment

Technologies Used:

Node.jsTypeScriptMongoDBRedisDockerAWS

Senior Backend Developer

TRIPXPLO
Freelance
India

Built comprehensive travel booking platform with real-time availability and booking functionality.

Key Achievements:

  • Created travel booking API handling 10K+ requests per minute
  • Implemented real-time pricing and availability updates
  • Integrated multiple third-party APIs for hotels, flights, and car rentals
  • Achieved 99.9% uptime with robust error handling

Technologies Used:

Node.jsTypeScriptMongoDBSocket.IOExpressJest

Backend & DevOps Developer

PRIMATE DEVELOPMENT
2022 - 2023
Chennai, India

Full-stack development with focus on backend systems and cloud infrastructure deployment.

Key Achievements:

  • Developed RESTful APIs for e-commerce platform
  • Implemented CI/CD pipelines reducing deployment time by 70%
  • Set up monitoring and logging systems for production environments
  • Mentored junior developers and conducted code reviews

Technologies Used:

Node.jsMongoDBDockerKubernetesAWSJenkins

Skills & Expertise

Comprehensive technical skills and tools I use to build exceptional applications

Backend Development

Node.js95%
TypeScript90%
Express.js88%
REST APIs92%
GraphQL75%

Database & Storage

MongoDB90%
PostgreSQL80%
Redis85%
AWS S382%
Elasticsearch70%

Real-time & WebSockets

Socket.IO92%
WebRTC75%
Server-Sent Events80%
MQTT78%
Pusher70%

Cloud & DevOps

AWS85%
Docker88%
Kubernetes75%
CI/CD82%
Terraform70%

Security & Performance

JWT Authentication90%
OAuth 2.085%
Rate Limiting88%
Performance Optimization87%
Security Auditing80%

Testing & Quality

Jest85%
Mocha80%
Unit Testing88%
Integration Testing82%
E2E Testing75%

Tools & Technologies

Git
VS Code
Postman
Docker

Clean Code

Writing maintainable, scalable, and well-documented code

Security First

Implementing security best practices and vulnerability prevention

Performance

Optimizing applications for speed and scalability

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Get In Touch

Ready to start your next project? Let's discuss how I can help bring your ideas to life.

Let's Work Together

I'm always interested in new opportunities and exciting projects. Whether you need a full-stack developer, backend specialist, or technical consultant, I'm here to help you achieve your goals.

Current Availability

Available for new projects
Open to freelance opportunities
Consulting available

Send Me a Message