Software Engineer Node Js

Karunakar Reddy Kalla

571-***-**** ****************@*****.*** linkedin Github Fairfax, VA

Summary

Software Engineer with 3+ years of experience in building cloud-based, high-performance systems using React, Node.js, and microservices. Strong background in algorithms, data structures, and scalable system design. Experienced with cloud tools like AWS and creating applications serving millions of users. Passionate about solving complex problems and improving developer productivity in Agile environments. Professional Experience

HCN Remote, USA

Software Engineer June 2024 - Present

• Enhanced performance by 15% by developing a high-performance web platform using React, TypeScript, and Redux, ensuring scalable real-time UI updates for 5000+ users.

• Improved backend response time by optimizing REST APIs with Node.js, Express.js, and MongoDB, incorporating Redis caching for efficient distributed data processing.

• Boosted CI/CD efficiency by 50% using GitHub Actions, Docker, and AWS ECS, enabling rapid delivery and collaboration across teams.

• Implemented TDD with Jest, reducing bugs by 30% and fostering a high-trust Agile environment with global collaboration. Tech Stack: React, TypeScript, Redux, Node.js, Express.js, MongoDB, Redis, Jest, GitHub Actions, Docker, AWS ECS Cognizant Hyderabad, India

Software Engineer Apr 2020 - June 2022

• Optimized PostgreSQL performance using JPA, Hibernate, improving reporting efficiency by 40% for millions of transactions and reducing query latency in high-load systems.

• Designed and implemented messaging systems with Kafka and RabbitMQ, ensuring 99.9% uptime for real-time synchronization across microservices.

• Developed modular, scalable architecture patterns for core services, improving maintainability by 50% and supporting efficient product delivery.

• Led efforts to integrate Jenkins, Docker, and AWS into CI/CD pipelines, cutting deployment times by 60%. Tech Stack: Java, Spring Boot, REST APIs, JPA, Hibernate, PostgreSQL, Kafka, RabbitMQ, Kubernetes, Jenkins, AWS Cognizant Hyderabad, India

Software Developer Intern Oct 2019 - Mar 2020

• Developed responsive UI components using CSS, JavaScript, and Angular for healthcare portals, ensuring modular and performant designs.

• Refactored front-end code and improved API communication, reducing load time by 25%.

• Collaborated with the UI/UX team to implement pixel-perfect wireframes with SASS and Webpack for efficient and responsive design.

Tech Stack: CSS, JavaScript, Angular, SASS, Responsive Web Design, Webpack Projects

Real-Time Messaging Platform - [Link]

Built a real-time messaging platform using React, Node.js, Socket.IO, and MongoDB with JWT-based authentication and WebSocket communication to enable secure, live chat with presence detection and efficient client-server sync. Blog Nest Application - [Link]

Developed a full-stack blog application using React, Node.js, Express, and MongoDB with secure JWT authentication, responsive UI, and RESTful APIs supporting CRUD operations for posts and comments under an MVC architecture. Skills

Programming Languages: Java, Python, JavaScript, TypeScript Web Development: HTML, CSS, Bootstrap, React, Angular, Node.js, Express.js, GraphQL, REST API, PHP Databases & Cloud: MySQL, NoSQL (MongoDB), PostgreSQL, Cassandra, Kafka, AWS, Docker, Kubernetes DevOps & Tools: Git, GitLab, Jenkins, GitHub Actions, Maven, Postman, Swagger, Figma, Jira, Visual Studio, Linux Technical Competencies: System Design, TDD, Algorithms, Data Structures, Object-Oriented Design, Cloud Architecture, Agile Education

George Mason University, Fairfax, VA

Master of Science in Computer Science

Vellore Institute of Technology, Vellore, India

Bachelor of Technology in Computer Science and Engineering

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