I am a Full-Stack Web Developer with hands-on experience in designing, developing, and deploying production-ready web and mobile applications. I take pride in delivering projects that are both secure and user-friendly, ensuring the best experience for users. I enjoy working independently as well as collaborating with agile teams to achieve outstanding results in the tech space.

Sajan Kumar

I am a Full-Stack Web Developer with hands-on experience in designing, developing, and deploying production-ready web and mobile applications. I take pride in delivering projects that are both secure and user-friendly, ensuring the best experience for users. I enjoy working independently as well as collaborating with agile teams to achieve outstanding results in the tech space.

Available to hire

I am a Full-Stack Web Developer with hands-on experience in designing, developing, and deploying production-ready web and mobile applications. I take pride in delivering projects that are both secure and user-friendly, ensuring the best experience for users. I enjoy working independently as well as collaborating with agile teams to achieve outstanding results in the tech space.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent
Hindi
Fluent

Work Experience

Executive at BL Lifesciences Pvt Ltd
October 1, 2019 - September 1, 2024
Results-oriented professional with 5+ years of experience managing operations, ERP systems, and IT-enabled logistics for critical medical devices used in heart surgeries, both domestically and internationally. Key Responsibilities & Achievements Managed end-to-end dispatch operations for life-saving cardiac surgery devices, achieving 100% on-time delivery across national and international shipments Handled IT dispatch servers and ERP systems, ensuring real-time tracking, data accuracy, and uninterrupted operations Maintained 100% stock accuracy using ERP-based inventory management, significantly reducing discrepancies and delays Improved order fulfillment efficiency by 100% through process optimization and system monitoring Coordinated with cross-functional teams including logistics, warehouse, and IT support to ensure smooth execution Identified and resolved system and process issues, enhancing operational reliability and compliance Technical & Transferable Skills Gained ERP system navigation and enterprise data handling Process optimization and workflow automation mindset Strong analytical and problem-solving abilities Experience working with data accuracy, system integrity, and operational scalability Clear communication and coordination in high-responsibility environments Why This Experience Adds Value to a Tech Role Real-world exposure to mission-critical systems and data accuracy Strong foundation in system thinking and backend workflows High accountability environment similar to production software systems Proven ability to manage responsibility, deadlines, and complex processes
Freelancer – Full-Stack Developer at Clinch Fusion Bridge
December 1, 2025 - Present
Contributed to multiple live web applications involving frontend and backend development. Built responsive user interfaces and developed backend APIs using Node.js, Express, and MongoDB.
Executive – Operations & IT Systems at B L Lifesciences Pvt. Ltd.
October 1, 2019 - September 30, 2024
Managed ERP-based inventory and dispatch systems for medical devices. Coordinated with cross-functional teams to streamline operational workflows and improve system reliability.

Education

BSc (Math) at IGNOU
January 11, 2030 - December 8, 2025
Full Stack Development with AI (Prompt Engineering) at upGrad
August 1, 2024 - October 31, 2025
Results-driven Full Stack Developer with hands-on experience in designing, developing, and deploying responsive, scalable web applications. Proficient in modern frontend frameworks, backend APIs, and database management, with a strong focus on performance, usability, and clean code practices. Frontend Development Expertise in HTML5, CSS3, JavaScript (ES6+) for building responsive and user-friendly interfaces Strong experience with React.js, including hooks, component-based architecture, and state management Skilled in Material-UI (MUI) for creating modern, accessible, and consistent UI designs Experience with React Router for seamless navigation and SPA architecture Familiar with Redux for global state management Backend Development Proficient in Node.js and Express.js for building RESTful APIs Experience in API design, request handling, authentication, and error management Knowledge of Angular for structured frontend development Implemented secure server-side logic and efficient data handling Database & Data Management Hands-on experience with MongoDB (CRUD operations, schema design) Working knowledge of MySQL for relational data handling Skilled in integrating backend services with databases for real-time applications Tools & Version Control Proficient in Git & GitHub for version control and collaborative development Experience with Axios for API integration and data fetching Familiar with deployment using GitHub Pages and cloud-based environments
B.Sc. (Mathematics) at IGNOU
January 11, 2030 - February 11, 2026
Bachelor of Arts (B.A.) at Delhi University
January 11, 2030 - February 11, 2026
Full Stack Development with AI & Prompt Engineering at UpGrad
January 11, 2030 - February 11, 2026

Qualifications

12th (CBSE)
January 11, 2030 - February 11, 2026
10th (CBSE)
January 11, 2030 - February 11, 2026

Industry Experience

Healthcare, Life Sciences, Professional Services, Manufacturing, Software & Internet, Retail
    paper E-Shop App

    Link:- https://www.twine.net/signin
    [React.js, Material-UI, Node.js, Express, Axios]
    Description:
    Developed a full-featured e-commerce web application enabling
    users to browse products, view details, manage orders, and maintain
    profiles. The app integrates a responsive UI with dynamic data
    fetching and search functionality for an enhanced shopping
    experience.
    Key Features & Achievements:
    • Designed a responsive homepage displaying products with
    images, categories, and pricing, including dummy data for
    fallback scenarios.
    • Implemented product detail pages with full information
    and a “Buy Now” option opening in a new window.
    • Built a search functionality to filter products dynamically
    by name or category.
    • Developed user authentication flows with Login and
    Signup pages and integrated navigation using React Router
    v7.
    • Created a Material-UI AppBar with menu, search bar, and
    Home/Login/Signup buttons for improved user navigation.
    • Integrated REST API calls using Axios to fetch live
    product and category data.
    • Implemented Orders and Profile pages to manage user
    specific information.
    • Hosted the application on GitHub Pages ensuring live
    deployment and accessibility.
    • Ensured smooth UX with error handling, loading states,
    and fallback dummy data for uninterrupted browsing.
    Technologies: React.js, Material-UI, React Router, Axios,
    JavaScript, HTML5, CSS3, Git/GitHub, GitHub Pages

    paper Doctors Appointment.

    Link:- https://www.twine.net/signin

    • Doctors Appointment | [React.js, Material-UI, Node.js,
    Express, MongoDB]
    Description:
    Developed a full-stack web application for managing doctor
    appointments, allowing users to book, view, and manage
    appointments efficiently. The platform provides an intuitive
    interface for patients and doctors, streamlining healthcare
    scheduling.
    • Key Features & Achievements:
    • Designed a responsive homepage displaying doctors with
    their specialities, ratings, and availability.
    • Implemented a booking system with modal forms for
    selecting date, time, and doctor for appointments.
    • Developed a profile management system for users to view
    and update their personal details.
    • Built a records detail page to manage appointments with
    functionalities to add, edit, and delete durations.
    • Integrated search and filter functionality to find doctors
    by name or speciality.
    • Created a Material-UI AppBar with menu, search bar, and
    login/signup navigation for enhanced UX.
    • Connected frontend with RESTful APIs (Node.js +
    Express) for fetching doctor data, appointments, and
    managing users.
    • Ensured smooth UX with real-time updates, error
    handling, and loading indicators for a seamless experience.
    • Hosted the application online, making it accessible for
    demonstration and testing purposes.
    • Technologies: React.js, Material-UI, JavaScript, Node.js,
    Express, MongoDB, Axios, Git/GitHub