Senior Frontend Engineer

Rahul
Upadhyay

Frontend Engineer · React Specialist · Pune, India

17+ years building responsive, scalable web applications. Specialist in React.js & Redux — currently leading frontend engineering for enterprise payment systems at CellPoint Mobile, serving global airlines.

17+
Years experience
200+
Marketplace sales
5★
ThemeForest rating
20%
Payment success ↑
✉ Get in Touch LinkedIn ↗ LearnForJob ↗
Rahul Upadhyay profile photo
rahulupa6@gmail.com
Career Timeline

17 years of building things

Jan 2018 – Present Current
CellPoint Mobile
Product Lead – Frontend Engineering
📍 Pune, Maharashtra
8+ years
+98% payment success · −60% reporting effort
  • Led a team of 5 frontend developers across multiple projects, driving architecture decisions and ensuring code quality
  • Built 3 projects from scratch using React.js and Redux with scalable architecture
  • Upgraded legacy application from older React versions to React 18, migrating from class components to Hooks-based architecture
  • Designed reusable component systems used across multiple teams
  • Improved performance using lazy loading, code splitting, and memoization
  • Integrated REST APIs and handled complex asynchronous workflows
  • Ensured responsive, cross-browser compatible UI
  • Led code reviews and maintained coding standards in Agile environment
React.js Redux Payment Systems REST APIs Analytics Dashboards Rule Engine SCSS Ant Design
Sep 2017 – Jan 2018
Syntel Pvt Ltd
Consultant — Angular Developer
📍 Pune, Maharashtra
5 months
  • Developed frontend modules using AngularJS, JavaScript, HTML5, and CSS3
  • Integrated frontend components with backend services through REST APIs
  • Worked in the Architecture Services Group resolving complex frontend and cross-browser compatibility issues
AngularJS JavaScript HTML5 / CSS3 REST APIs
Jun 2015 – Jul 2017
Latitude22 Technologies
Frontend Developer — Founding Member
📍 Indore, Madhya Pradesh
2 years
  • Founding member — contributed to product development and frontend technology decisions from day one
  • Built scalable web applications using JavaScript, HTML5, CSS3, and AngularJS
  • Collaborated with design and product teams to define UI architecture and user experience
  • Developed responsive, cross-browser compatible web applications from concept to launch
AngularJS JavaScript HTML5 / CSS3 Founding Member
Apr 2011 – May 2015
Sofmen Technologies Pvt Ltd
UI Developer
📍 Indore, Madhya Pradesh
4 years
  • Converted PSD designs into precise, responsive HTML5/CSS3 layouts
  • Built web interfaces using HTML5, CSS3, JavaScript, and jQuery
  • Delivered pixel-perfect UI implementations aligned with exact design specifications
HTML5 / CSS3 JavaScript jQuery
Feb 2009 – Mar 2011
Professional IT Solutions Pvt Ltd
Web Designer
📍 Gwalior, Madhya Pradesh
2 years
  • Designed website layouts and UI mockups for client projects
  • Converted design assets into production-ready web pages
  • The beginning of a 17-year journey in frontend craft
HTML / CSS Web Design Photoshop
2017 — Independent
ThemeForest Marketplace
Author — bittyfox
🌐 themeforest.net/user/bittyfox
★★★★★
  • Designed and developed admin dashboard templates and UI frameworks
  • 200+ purchases, 5★ user ratings, recognised as trending item at launch
  • Built reusable components: dashboards, charts, forms, tables, UI widgets
200+ Purchases 5★ Rating Bootstrap AngularJS HTML5 / CSS3
2006 — Education
Jiwaji University + NIIT
BA Psychology + Certificate in IT
📍 Gwalior, Madhya Pradesh
2006
Bachelor of Arts — Psychology NIIT — Certificate in IT
Projects

Featured work

01 / CellPoint Mobile
Vision — Payment Orchestration Platform
Architected and led frontend of a full-scale payment orchestration platform. Real-time dashboards, fraud monitoring, business rule engine, merchant onboarding, prescreening, and event-driven notifications.
−60% manual reporting effort
React.jsRedux Real-timeXLSX Export Rule EngineAnt Design
VISION
HPP
02 / CellPoint Mobile · Airline Payment
HPP — Hosted Payment Page
Frontend for airline booking payment redirect flows. Multi-option UI — credit/debit, digital wallets, APMs. Engineered seamless state management between airline apps and checkout. Used by multiple global airlines.
+98% payment success rate
React.jsRedux Payment UICross-browser
03 / EdTech · Live Product
LearnForJob
Online programming education platform — course management, student enrollment flows, and responsive curriculum interface.
React.jsCSS3typescript
learnforjob.com
04 / Marketplace · bittyfox
ThemeForest Admin Dashboard
Complete admin dashboard UI framework — charts, data tables, forms, widgets. Trending item at launch with 200+ purchases and a perfect 5★ rating.
★★★★★
HTML5CSS3 BootstrapAngularJS
ThemeForest Portfolio
Skills

Technical expertise

Frontend Core
React.js & Redux
96%
JavaScript ES6+
95%
HTML5 / CSS3 / SCSS
98%
Responsive Design
97%
Payment UI / Fintech
94%
Ecosystem
AngularJS
85%
Bootstrap / Ant Design
88%
Node.js / Express
72%
REST APIs
90%
UI/UX & Design Systems
88%
Impact

Key achievements

✈️
+20%
Payment success rate improvement on HPP airline checkout flows
📊
−60%
Manual reporting effort cut with real-time analytics dashboards
🛒
200+
ThemeForest marketplace sales — trending item at launch
⭐
5★
Perfect marketplace rating — consistently exceeding expectations
⚡
17yrs
Continuous craft — from hand-coded HTML to enterprise React platforms
🚀
#1
Founding engineer at Latitude22 — built entire frontend stack from scratch
Contact

Let's work together

Open to full-time roles, freelance projects, and technical consulting. Let's create something exceptional together.

✉ Send a Message
✉️
📞
📍
Location
Wagholi, Pune, Maharashtra
🔗
🎨
📚
Live Project
learnforjob.com