Sudhir Kumar

Senior Full Stack Developer

Passionate about building scalable and high-performance applications. Expertise in full-stack development, cloud architecture, and microservices.

Summary

With over 6 years of experience in full-stack development, I specialize in building robust and scalable applications using modern technologies. My expertise spans across frontend and backend technologies such as React.js, Node.js, PostgreSQL, and AWS. I have a strong passion for microservices architecture,microfrontend architecture, cloud computing, and developing high-performance solutions.

Technical Skills

Frontend

  • React.js
  • Next.js
  • Tailwind CSS
  • React Native
  • Microfrontends

Backend

  • Node.js
  • NestJS
  • Express.js
  • TypeScript
  • TypeORM

Cloud & DevOps

  • AWS (Lambda, S3, EC2, API Gateway, etc.)
  • Docker
  • CI/CD (Gitub Action,Jenkins)

Databases

  • PostgreSQL
  • MySQL
  • MongoDB
  • 🌟 SQL 50 Badge on LeetCode

Security & Testing

  • Burp Suite (API Security Testing)
  • OWASP Best Practices
  • Unit & Integration Testing

Microservices

  • Redis
  • AWS SQS
  • MQTT
  • Kafka

Experience

Senior Software Engineer | iSpace Software Pvt Ltd

July 2024 – Present

Lead the full-stack development of enterprise applications, integrating Node.js, AWS services, and PostgreSQL for high-availability systems. Developed and maintained scalable microservices architecture using AWS Lambda, SQS, and API Gateway.

Senior Associate Engineer | Hanriver Technology Pvt Ltd

Feb 2023 – June 2024

Developed APIs and backend systems using Express.js and MySQL, integrating caching with Redis for optimized performance. Ensured continuous delivery through Jenkins CI/CD pipelines, and improved security through proactive testing with Burp Suite.

Backend Engineer | Aexonic Technologies Pvt Ltd

Oct 2022 – Jan 2023

Focused on optimizing MongoDB queries, writing efficient serverless functions using Node.js, and contributing to internal tools. Maintained secure VPN configurations and developed RESTful APIs for internal services.

Software Engineer | Workplace Fabric India Ltd

Jan 2019 – Sep 2022

Worked on enterprise IoT applications, developing progressive web apps and dashboards. Implemented JWT authentication and designed microservices using AWS Lambda functions to scale business solutions.

Selected Projects

Engineering Measuring Platform

Developed a platform to track and measure key engineering metrics in real-time, optimizing backend performance and API response times.

Enterprise IoT Dashboard

Built a real-time monitoring dashboard for enterprise IoT devices using Node.js, React, and AWS IoT services to track device status and metrics.

Custom API Solutions for Enterprises

Designed and implemented custom API solutions for enterprise clients, focusing on security, performance optimizations, and scalability.

Education

Master in Computer Application

National Insititute of Technology , Jamshedpur | 2016 – 2019

Completed coursework in software engineering, algorithms, databases, and cloud computing. Actively participated in hackathons and software development competitions, securing positions.

Certifications

AWS Certified Solutions Architect

Edureka | May 2024

Master in DSA & System Design

HeyCoach | March 2024

Achievements

SQL 50 Badge on LeetCode

LeetCode | November 2024

Earned the prestigious SQL 50 badge on LeetCode, recognizing my dedication and expertise in working with databases. This achievement reflects my strong foundation in SQL, which I regularly apply in backend development and data engineering. I'm excited to continue honing my database skills and leverage them in new and challenging projects.