Summary
Work History
Education
Skills
Languages
Personal Information
Websites, Portfolios and Profiles
Work Availability
Timeline
Receptionist
SHEKHAR SINGH

SHEKHAR SINGH

Noida

Summary

React Native Lead Engineer with 7.5+ years of cross-platform mobile development experience (iOS & Android) across fintech, sports, and retail domains. Proven track record delivering enterprise-grade apps for global clients including Verizon and Western Union, with hands-on expertise in performance optimization, GraphQL migrations, and CI/CD pipelines. Experienced technical lead with a history of mentoring engineers and driving measurable improvements in app stability, load times, and user engagement.

Work History

Lead Engineer – React Native / React

HCLTech
Dehradun
08.2022 - Current
  • Led React Native development of the Verizon Stadium Chatbot (iOS & Android) — venue navigation, live event info, and real-time user assistance for 50,000+ concurrent attendees, cutting on-ground support dependency by ~30%.
  • Built PlatformX Mobile App — a live sports, fan engagement, and location-based retail platform — using Redux state management, modular component architecture, and scalable navigation flows; improved feature delivery speed by ~25%.
  • Led Western Union mobile (React Native) and web (React.js) — aligned iOS UI with Apple Human Interface Guidelines, improving usability consistency; migrated REST calls to GraphQL, reducing network requests by ~40%.
  • Mentored 4+ junior developers through code reviews and architectural sessions; standardized coding conventions and CI/CD release processes across all projects.
  • Optimized navigation, network handling, and reusable UI components across projects — reduced crash rate by ~20% and improved stability on both iOS and Android.

React Native Developer

Techahead Software Pvt. Ltd.
Noida
07.2021 - 06.2022
  • Developed and maintained cross-platform React Native applications for US and European clients, owning feature delivery from design handoff through App Store and Play Store deployment.
  • Integrated REST APIs, Firebase services, and local SQLite storage; implemented robust error handling and logging that reduced production bug reports by ~15%.
  • Collaborated with product and design teams in Agile sprints, consistently delivering features on schedule with high code quality standards.
  • Served as Senior Mobile Developer on Saritoria (US-based e-commerce app), authoring ~80% of the iOS-focused React Native codebase with a focus on performance tuning and deep iOS integration.
  • Integrated iOS-specific native features including Haptic Feedback, Face ID authentication, and platform-optimized animations — improving user engagement, security, and native feel.
  • Optimized app navigation structures, network request handling, and reusable UI components across multiple React Native projects, reducing crashes and improving stability on both iOS and Android.
  • Followed Git/GitLab-based workflows with structured branching strategies, pull requests, and peer code reviews to maintain high code quality and reliable release cycles.

React Native Developer

Cyber Matrix Solutions Pvt. Ltd.
Noida
01.2020 - 06.2021
  • Worked on Garruda POS (garruda.co.in) — India's leading petrol pump operations & management platform — building the React Native mobile app (RO Admin App) for real-time MIS dashboards and petrol pump operations management.
  • Developed real-time navigation, digital wallet integrations, location tracking, and live operational reporting features — giving petrol pump owners fingertip visibility into their business.
  • Introduced reusable component libraries and standardized navigation patterns, reducing development time for new features by ~20%.
  • Supported performance profiling and debugging, improving app load times and resolving critical crashes ahead of release milestones.

React Native / Android Developer

Codekrypt Technologies Pvt. Ltd.
Noida
07.2018 - 12.2019
  • Built TutMe (tutme.in) — a school management platform for Delhi/NCR — from scratch as a React Native + Android app, published to Google Play Store. Covers attendance, fee collection, academics, report cards, online tests, and parent-teacher communication.
  • Developed one-touch attendance module that notifies parents within 10 seconds, and a graphical progress tracker for teachers — two of the platform's most well-received features.
  • Managed complete development lifecycle: requirement analysis, architecture design, UI implementation, QA testing, and Google Play Store deployment.
  • Implemented REST API integrations, SQLite local storage, and robust error handling — ensuring reliable offline functionality and fault tolerance under real-world usage.

Education

MCA - Computer Software and Media Applications

Graphic Era Hill University
Dehradun
01-2018

BCA - Computer Software and Media Applications

Graphic Era Hill University
Dehradun
01-2016

Skills

  • React Native
  • Android (Java/Kotlin)
  • IOS
  • Reactjs
  • JavaScript (ES6)
  • TypeScript
  • Python
  • Nodejs
  • Redux
  • MobX
  • Context API
  • Component-based UI Architecture
  • REST APIs
  • GraphQL
  • Firebase
  • SQLite
  • CI/CD Pipelines
  • Git
  • GitLab
  • Unit Testing
  • Performance Optimization
  • HTML5
  • CSS3
  • Responsive Layouts
  • Apple HIG
  • Material Design

Languages

English
Hindi

Personal Information

Hobbies: Cricket, Travelling, Music, Cycling, Swimming

Websites, Portfolios and Profiles

linkedin.com/in/shekhar-singh-194346b8

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
swipe to browse

Timeline

Lead Engineer – React Native / React

HCLTech
08.2022 - Current

React Native Developer

Techahead Software Pvt. Ltd.
07.2021 - 06.2022

React Native Developer

Cyber Matrix Solutions Pvt. Ltd.
01.2020 - 06.2021

React Native / Android Developer

Codekrypt Technologies Pvt. Ltd.
07.2018 - 12.2019

MCA - Computer Software and Media Applications

Graphic Era Hill University

BCA - Computer Software and Media Applications

Graphic Era Hill University

Similar Profiles

CREATE PROFILE
SHEKHAR SINGH