Welcome to my GitHub profile! I'm passionate about building scalable web applications, designing robust backend systems, and continuously learning new technologies. I enjoy solving real-world problems through software development and contributing to impactful projects.
- 🎓 B.Tech in Computer Science & Engineering
- 💼 Backend Developer with experience in healthcare and enterprise applications
- 🌱 Currently exploring advanced backend architectures, cloud deployment, and scalable systems
- 🤝 Open to collaboration on Full-Stack and Backend Development projects
- 📍 India
- JavaScript
- TypeScript
- C
- C++
- Object-Oriented Programming (OOP)
- HTML5
- CSS3
- JavaScript (ES6+)
- React.js
- Next.js
- Node.js
- Express.js
- NestJS
- REST APIs
- Authentication & Authorization
- MongoDB
- PostgreSQL
- Firebase
- TypeORM
- Git
- GitHub
- VS Code
- Postman
- Jira
- Notion
- Microsoft Power Apps
- Dynamics 365
- Power Platform
- Backend Development
- Full Stack Development
- Database Design
- API Development
- Responsive Web Development
- Software Architecture
- Agile Development
B.Tech in Computer Science & Engineering 📅 Aug 2021 – Jun 2024 🎯 CGPA: 8.0/10.0
Diploma in Mechanical Engineering 📅 Jun 2018 – Jun 2021 🎯 Percentage: 79.0%
Technologies: NestJS, Next.js, PostgreSQL, TypeScript, TypeORM, EMRs 📅 Dec 2025 – May 2026
- Developed scalable backend services for healthcare platforms using NestJS.
- Enabled secure management and synchronization of Electronic Medical Records (EMRs).
- Designed relational database schemas in PostgreSQL using TypeORM.
- Built RESTful APIs for real-time data access and medical history synchronization.
- Implemented validation, error handling, and modular architecture practices.
- Collaborated with cross-functional teams in an agile environment.
Technologies: Microsoft Power Apps, Dynamics 365, PCF, JavaScript, TypeScript, Power Platform 📅 Apr 2025 – Jun 2025
- Developed enterprise business applications using Microsoft Power Apps and Dynamics 365.
- Built reusable PowerApps Component Framework (PCF) components.
- Improved user experience through custom UI development.
- Automated workflows using Power Platform solutions.
- Collaborated with teams to deliver business process automation projects.
Technologies: Node.js, JavaScript, HTML, CSS, Git, REST APIs 📅 Apr 2023 – Jul 2023
- Developed and maintained responsive web applications.
- Built backend functionalities using Node.js.
- Implemented dynamic website features and API integrations.
- Collaborated using Git-based version control workflows.
- Worked on live client projects and production-level applications.
A marketplace platform for students built using React, Firebase Realtime Database, and Firebase Authentication.
Tech Stack: React, Firebase, JavaScript
A full-stack application enabling users to apply for and manage loans.
Tech Stack: React, Node.js, Express.js, MongoDB, Redux
Machine Learning model that predicts vehicle prices based on multiple parameters.
Tech Stack: Python, Machine Learning
- Advanced NestJS Architecture
- System Design Fundamentals
- Docker & Containerization
- AWS Cloud Services
- Microservices Architecture
- GraphQL
📧 Email: sagarzack2003@gmail.com
💼 LinkedIn: https://www.linkedin.com/in/sagar-kumar3099/
🌐 Portfolio: https://sagar-kumar3099.github.io/
I enjoy building real-world applications, exploring new technologies, and continuously improving my development skills. My goal is to become a highly skilled software engineer capable of designing scalable and impactful products.
⭐ If you like my work, feel free to explore my repositories and connect with me! hiking, photography].
Feel free to explore my repositories and connect with me for collaborations!