Sagar Gupta

Senior Software Developer & Team Lead

Building scalable web & mobile applications with React.js, React Native, and Next.js. 5+ years of experience delivering exceptional digital experiences.

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Technical Skills

Frontend Development

React.js React Native Next.js TypeScript JavaScript Tailwind CSS

State Management

Redux Toolkit Zustand React Query Context API

Backend & APIs

Node.js Express.js GraphQL REST APIs Socket.io

Databases

MongoDB PostgreSQL MySQL Firebase

Cloud & DevOps

AWS GitHub Actions Docker Vercel CI/CD

Testing & Tools

Jest Cypress Git Jira Figma

Professional Experience

Senior Software Developer & Team Lead

DevRipples Infotech Private Limited | March 2020 - Present (5 years 2 months)

  • Lead a team of 6+ developers, conducting code reviews and technical mentorship
  • Architected and developed 15+ scalable applications serving 100K+ users
  • Improved application performance by 40-50% through optimization techniques
  • Implemented CI/CD pipelines reducing deployment time by 60%
  • Managed AWS infrastructure and reduced costs by 30%
  • Achieved 100% on-time delivery rate for 12+ client projects

Want to know more?

Download my complete resume with detailed project information

Featured Projects

Medidek

Healthcare Booking Platform | Team Lead

  • Served 50K+ patients and 2000+ providers
  • Built web and mobile apps with real-time features
  • Integrated Razorpay & Stripe payments
  • Achieved 99.9% uptime with AWS
React.js React Native MongoDB AWS

Plugin CMS Platform

Multi-Tenant CMS | Lead Architect

  • Supports 100+ orgs, 500K+ users
  • Plugin-based drag-and-drop architecture
  • GraphQL API for efficient data fetching
  • Reduced page load from 3s to 800ms
Next.js TypeScript GraphQL PostgreSQL

ZaoCabs

Taxi Booking App | Senior Developer

  • 10K+ rides monthly with 4.5/5 rating
  • Real-time GPS tracking with Socket.io
  • Google Maps API integration
  • Multiple payment gateways
React.js React Native Google Maps Node.js

Fliqrai

Instagram Automation | Frontend Lead

  • 50K+ automated interactions daily
  • Visual workflow builder
  • Real-time analytics dashboards
  • Instagram API OAuth integration
Next.js TypeScript Instagram API MongoDB

E-Commerce Platform

Multi-Vendor | Senior Developer

  • 200+ vendors, 20K+ active users
  • $500K+ monthly transactions
  • Advanced filtering & search
  • Stripe payment integration
Next.js Stripe MongoDB AWS

Real-Time Collaboration

Team Workspace | Lead Developer

  • 1000+ concurrent users
  • Sub-100ms latency
  • WebSocket-based synchronization
  • Live presence & typing indicators
React.js Socket.io Redis MongoDB

Let's Connect

📧

Email

sagarguptagupta881@gmail.com
📱

Phone

+91 79879 83550
💼

LinkedIn

View Profile
💻

GitHub

github.com/sagar285