I am a Full Stack MERN Developer with over 2 years of experience in building scalable web applications and backend systems. My expertise lies in API design and performance optimization, ensuring efficient systems that enhance user experience. I am passionate about clean architecture and optimized workflows, aspiring to build impactful, production-grade systems that serve a large user base.

Esha Kar

I am a Full Stack MERN Developer with over 2 years of experience in building scalable web applications and backend systems. My expertise lies in API design and performance optimization, ensuring efficient systems that enhance user experience. I am passionate about clean architecture and optimized workflows, aspiring to build impactful, production-grade systems that serve a large user base.

Available to hire

I am a Full Stack MERN Developer with over 2 years of experience in building scalable web applications and backend systems. My expertise lies in API design and performance optimization, ensuring efficient systems that enhance user experience. I am passionate about clean architecture and optimized workflows, aspiring to build impactful, production-grade systems that serve a large user base.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Advanced
Hindi
Advanced
Bengali
Fluent

Work Experience

Software Development Intern at ITJOBXS
January 1, 2025 - Present
Contributed to the development of a full-stack Notes App, enhancing user experience and performance. Worked on frontend development using React.js, ensuring mobile-first, accessible UIs. Designed backend REST APIs with Node.js + Express.js, implementing secure session management and rate-limiting using Redis.
Frontend Developer at People Maketh
December 31, 2024 - July 9, 2025
Developed key web components, improving UI consistency and user experience. Collaborated on data verification processes, increasing system efficiency by 25%.
Full Stack Developer at Ascentspark Software Pvt. Ltd.
December 1, 2025 - Present
Designed and implemented scalable APIs and backend logic in Next.js, supporting real-time data operations. Optimized data fetching and state management using TanStack Query, improving performance and reducing redundant API calls. Developed modular and maintainable business logic to contribute to scalable application architecture.
Founding Engineer (Early-stage Contribution) at VoxVertex Solution Pvt. Ltd.
November 1, 2025 - December 1, 2025
Contributed to building an AI-powered event and speaker management platform. Resolved critical bugs and improved UI consistency to enhance overall product stability.

Education

BCA at Amity University
July 17, 2024 - July 15, 2027
BA (Eng) at University of Kalyani
December 17, 2020 - August 17, 2023

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Healthcare
    paper AI-Powered Resume Analyzer & Interview Preparation

    • Built a full-stack AI application to analyze resumes and generate personalized interview questions using Gemini API.
    • Implemented real-time skill gap analysis and match scoring to simulate recruiter evaluation.
    • Designed scalable backend using Node.js, Express.js, and MongoDB for efficient data handling.
    • Developed responsive frontend using React.js with optimized API communication.

    Live link: https://www.twine.net/signin

    paper MERN Notes App

    Designed a responsive UI with React.js for
    seamless note-taking experience. Developed
    RESTful APIs using Node.js and Express.js for
    scalable backend handling. Utilized MongoDB
    for dynamic data storage and Redis to imple-
    ment rate-limiting and session control for fair
    usage. Ensured secure and efficient CRUD op-
    erations and optimized performance across
    endpoints. Github
    Movie Ratin