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πŸ‘‹ Hi there! I'm Vivek Kumar

  • πŸ‘¨β€πŸ’» Backend-Focused Software Engineer | System Design Enthusiast | Cloud-Native Developer

  • πŸš€ Building scalable architectures, real-time systems, and cloud-ready solutions.

  • πŸ’Ό Software Development Engineer (SDE1)-GeeksforGeeks | Open to Remote / Freelance Roles

  • 🌱 Actively contributing to the open-source community and open to collaborating on impactful projects.


🧠 Summary

  • πŸ’» Software Engineer with 3+ years of experience in backend development and scalable system design.
  • 🧩 Proficient in API design (REST, GraphQL) and backend architectures (MVC, microservices).
  • βš™οΈ Hands-on with Redis, Kafka, RabbitMQ, BullMQ, and secure Docker-based code execution.
  • ☁️ Experienced in cloud-native deployments using AWS, Docker, and CI/CD pipelines (GitHub Actions).
  • 🎯 Product-focused mindset β€” delivering measurable impact through scalable and maintainable systems.

πŸ› οΈ Tech Stack

Languages
JavaScript TypeScript Python

Backend
Node.js Express.js Fastify GraphQL RESTful APIs Kafka RabbitMQ

Architecture & Patterns
MVC Microservices Database Design

Database
MongoDB MySQL Redis Sequelize Mongoose

Infrastructure & DevOps
Docker GitHub Actions AWS

Version Control
Git GitHub

Tools
Postman Jira


🏒 Experience Highlights

πŸ’Ό Software Development Engineer (SDE1) – GeeksforGeeks (September 2022 – Present)

  • Scaled mentorship platform (Node.js + MongoDB + Redis) to 5K+ users.
  • Modularized backend via MVC + microservices, deployed using CI/CD + Docker.
  • Reduced latency by 40% via database optimization and indexing.
  • Integrated WebSockets and JWT auth for real-time quiz portal upgrades.
  • Engineered secure, async code execution APIs using Docker sandboxing, BullMQ, and Socket.IO.

πŸ’» Software Engineer(Internship) – GeeksforGeeks (March 2022 – August 2024)

  • Developed a Next.js-based Quiz Portal handling 18K+ monthly quiz attempts.
  • Migrated legacy PHP to SSR-optimized Next.js β€” improving load time by 45%.
  • Enhanced SEO, reduced TTI (Time to Interactive), and improved onboarding by 35%.
  • Delivered business impact by collaborating across product, design, and content teams.

πŸš€ Featured Projects

Tech: Node.js, TypeScript, Fastify, Docker, Redis, BullMQ

  • Scalable microservices backend for online coding evaluations.
  • Built a secure code execution engine using Docker containers.
  • Used BullMQ for async distributed job processing, with WebSocket-based notifications.

Tech: Express.js, Sequelize, MySQL, Docker

  • Modular MVC architecture with service-repo pattern, error handling, Winston logger.
  • Implemented database seeding, API versioning, and central validation.

πŸ“Š GitHub Stats

Vivek's GitHub Stats GitHub Streak Top Langs


Recent Blog Posts


πŸ† Achievements

  • 🧠 Solved DSA problems on LeetCode
  • ✍️ Published technical blogs on Hashnode

🌐 Connect With Me

LinkedIn GitHub Email



β€œClean code always looks like it was written by someone who cares.” – Robert C. Martin


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