Gargi Pareek

Node.js/NestJS Developer

Dev Technosys, Jaipur

Apr 2025 - Present

• Worked on large-scale backend systems using NestJS and TypeScript for robust architecture and maintainability.
• Contributed to the development of Squadduel, a fantasy football platform with real-time data integration from SportsMonk API.
• Integrated ApcoPay for secure and seamless payment processing and managed in-app transaction workflows.
• Implemented Google authentication and user session handling across web and mobile interfaces.
• Designed and managed a centralized notification system for appointment and match updates.
• Played a key role in DoctoLink (Spain), enabling appointment bookings and doctor-patient communication via a custom notification engine.

Node.js Developer

SWIL - SwilERP, Jaipur

Apr 2024 - Jan 2025

• Developed and managed Swilmart (B2B and B2C) eCommerce platform, optimizing order processing and transactions.
• Built a React.js-based admin panel for product and stock management, reducing manual work.
• Integrated Shopify API with Node.js, implementing OAuth authentication and real-time webhooks.
• Enhanced frontend performance through Redux state management and optimized API calls.
• Implemented real-time updates with WebSockets (Socket.io) for live order tracking.
• Developed APIs for task assignments in Swil Task Panel, improving workflow efficiency.

Node.js Developer

Appinop Technology, Jaipur

Oct 2022 - Mar 2024

• Worked on cryptocurrency exchange platforms (Flexibits, Cosmic Trade, YMX Exchange, Kxchange).
• Implemented user authentication, KYC verification, and secure wallet integrations.
• Optimized database queries and API endpoints, improving backend speed.

Swilmart (B2B B2C) eCommerce Platform

Developed a scalable MERN stack platform supporting real-time inventory updates and checkout processes. Built a dynamic React.js frontend with Redux, enhancing performance. Integrated third-party APIs for reporting, analytics, and user profile management. Improved platform security and optimized backend performance, ensuring seamless transactions.

Shopify Integration with Node.js

Implemented Shopify API integration to sync product listings, customer data, and stock levels. Developed OAuth authentication for secure access and implemented webhooks for real-time updates. Optimized API calls, reducing response time and preventing order mismatches.

Swilmart Admin Panel

Designed an advanced admin panel with real-time order tracking and stock management. Integrated REST APIs for ERP synchronization, ensuring accurate stock updates. Built a dashboard displaying sales trends and inventory insights, aiding decision-making.

Health Insurance Management System

Developed a role-based admin panel for policy and claim management. Integrated payment gateways for premium processing and policy renewals. Ensured data security using encryption and access control mechanisms.

DoctoLink – Healthcare Appointment System (Spain)

Built using Nest.js and SQL for managing doctor and patient appointment bookings. Implemented a real-time notification management system for appointment alerts and reminders. Enhanced accessibility with multilingual support and secure user authentication.

Squadduel – Fantasy Football Platform

Developed core backend in Node.js with payment integration via ApcoPay. Implemented real-time football data display using SportsMonk API (players, teams, leagues, and seasons). Added Google authentication and a robust notification management system for user engagement.