Kumar Sanjeev Dutta
   +91 9835732169      # kumarsanjeevdutta02@gmail.com  kumarsanjeevdutta.netlify.app/
                                 ð /kumar-sanjeev-dutta-414404255          § sanjeevWeb
Profile
I am an aspiring Backend Developer proficient in Node.js, Express, SQL databases, MongoDB, redis,docker and AWS oper-
ations. Eager to contribute my skills and learn from experienced teams,I am open to internships or entry-level positions
to gain practical experience and contribute effectively.
Experience
 Backend Software Developer
 De Nada tecnologia, New Delhi, India                                                              Apr 2024 to Present
  • Created RESTful APIs for task management, Applied redis for caching and it optimized
    the query by almost 85 percent and made it faster than fetching from database.
  • Applied input validation using Joi to ensure data integrity and security. Worked closely
    with front-end developers to integrate their work with backend.
 Software developer Associate
 Lido Learning , Noida,U.P, India                                                                 Sep 2021 to Nov 2021
  • Learned about backend and frontend integration and architecture design concepts
  • Applied React and Node.js in frontend and backend respectively
Projects
 Hotel Booking App 2                                                                                          Jan 2023
  • This is a full-stack hotel booking application that allows users to search for hotels, book
    rooms, and manage their bookings. It also provides functionality for hotel owners to
    manage their properties.
  • It’s key features includes user authentication,image handling, pagination, sorting,
    searching, third party payment integration and managing accounts.
 Graphql (Apollo server) PERN App 2                                                                           Jan 2025
  • Developed using Node.js, Express.js,Typescript and PostgreSQL for database manage-
    ment along with prisma ORM in backend and React in frontend.Dockerised the app lo-
    cally on windows platform.
  • The objective was to inspect the graphql behaviour in comparison to REST APIs.
 Group Chat App                                                                                   Jan 2024 to Mar 2024
  • App developed using Node.js, Express.js, and MySQL for database management along
    with sequelize ORM.
  • Implemented role-based access control (RBAC) and optimized app with Socket.IO li-
    brary.
Technical Skills
Languages: C++, Javascript, Python
Backend: Node.js, Express.js, TypeScript
Frontend: Vanilla javascript, React, TailwindCSS, HTML, CSS, Bootstrap, Next.js
Clouds & Databases: AWS,GitHub, MySql,PostgreSQL, MongoDB,Redis,Appwrite, Firebase
Web Technologies: Docker, Socket.Io, Message Queues, Microservices
Certificates
 freeCodeCamp (2021 - 2022): Javascript Algorithms and Data Structures. 2
 Udemy, 2022 How the Internet Works and the Web Development Process. 2
 Udemy, 2025 Setup a virtual web server using Linode or Digital Ocean 2.
Education
     B.Tech., FST, ICFAI University, Electronics and communication Engineering