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Hi, I'm Chetan Sharma πŸ‘‹

Team Lead React Native Developer | Mobile Architect | AI/ML Enthusiast

I'm a mobile engineer with 9+ years of professional mobile development experience and 7+ years of React Native experience, focused on building scalable, performant, and maintainable iOS and Android applications.

I enjoy solving complex engineering problems, improving application performance, designing scalable architectures, and mentoring developers. I'm also currently expanding my expertise in AI, Machine Learning, and Generative AI.


πŸš€ About Me

  • πŸ“± 9+ years of professional mobile development experience
  • βš›οΈ 7+ years of React Native development
  • πŸ—οΈ Experienced in scalable mobile architecture and application modernization
  • πŸš€ Strong focus on React Native performance optimization
  • 🍎 iOS & πŸ€– Android development
  • πŸ§‘β€πŸ’» JavaScript / TypeScript enthusiast
  • πŸ” Interested in mobile security and reliable payment integrations
  • πŸ€– Currently learning and building with AI/ML and Generative AI
  • πŸ‘¨β€πŸ’Ό Experienced in technical leadership, architecture, mentoring, and code reviews
  • 🌍 Open to remote and international opportunities

πŸ› οΈ Tech Stack

Mobile

React Native Expo iOS Android

Languages

TypeScript JavaScript Java Python Swift Kotlin

State Management & Data

Redux Zustand GraphQL Apollo

  • Redux Toolkit
  • RTK Query
  • Redux Thunk
  • Redux Saga
  • Apollo Client
  • REST APIs
  • Offline-first architecture
  • SQLite / local persistence

Cloud, DevOps & Engineering

  • Git / GitHub
  • GitHub Actions
  • CI/CD
  • EAS Build & EAS Workflows
  • Docker
  • Kubernetes
  • GCP / AWS
  • Terraform
  • Cloud Run
  • Sentry / Datadog

AI / ML

  • Python
  • Pandas
  • NumPy
  • Scikit-learn
  • Machine Learning fundamentals
  • Generative AI
  • AI API integration
  • LLM-based application development

πŸ—οΈ Architecture & Engineering

I have worked with and studied several approaches for building scalable mobile applications:

  • Feature-based architecture
  • Modular architecture
  • Clean Architecture principles
  • Repository pattern
  • Separation of concerns
  • Dependency management
  • API abstraction
  • Offline-first strategies
  • State management architecture
  • Design systems and reusable components
  • Performance-focused UI architecture

I particularly enjoy taking existing applications with technical debt and gradually improving their architecture without disrupting production users.


⚑ React Native Performance

Some areas I regularly focus on:

  • Reducing unnecessary re-renders
  • React.memo
  • useMemo / useCallback
  • FlatList optimization
  • Image optimization and caching
  • Hermes
  • Startup performance
  • Memory usage
  • Animation performance
  • Expensive JavaScript operations
  • Native-module performance
  • Profiling and production debugging

My approach is simple:

Measure first, identify the bottleneck, then optimize.


πŸ” Mobile Security

I have a strong interest in building secure mobile applications, including:

  • HTTPS / TLS
  • Secure token management
  • iOS Keychain
  • Android Keystore
  • Authentication & authorization
  • API security
  • Secure storage
  • Encryption fundamentals
  • Tokenization
  • Payment gateway architecture
  • Webhook verification
  • Idempotency
  • Sensitive-data protection

πŸ’Ό Selected Experience

KulterPass DE

iOS & Android | React Native

Worked on a production mobile application with a focus on cross-platform development, maintainability, and user experience.

Keap / Thryv

iOS & Android | React Native

Worked as a core member of the mobile team, contributing to application modernization, architecture improvements, performance, and production engineering.

TinyView

iOS & Android | React Native / Expo

Worked on areas including:

  • Offline image caching
  • FlatList optimization
  • Hermes
  • ProGuard
  • FastImage
  • Interaction Manager
  • Application performance improvements

πŸ“± Selected Apps

OrisHubHealth

Healthcare mobile application.

KulturPass DE

Cultural benefits and ticketing mobile application.

TinyView – Comic Reader

Comic reading mobile application.

Keap

CRM and business management mobile application.

Thryv Pay

Mobile payment application.

πŸ€– Currently Learning

I'm actively expanding my skills beyond mobile development into:

AI
 β”œβ”€β”€ Machine Learning
 β”œβ”€β”€ Deep Learning
 β”œβ”€β”€ Generative AI
 β”œβ”€β”€ LLMs
 β”œβ”€β”€ AI APIs
 └── AI-powered mobile applications

My goal is to combine my mobile engineering experience with AI to build useful, production-ready applications.


πŸ“Œ What I Like Building

  • πŸ“± Scalable React Native applications
  • πŸ€– AI-powered mobile experiences
  • πŸ’³ Fintech and payment applications
  • πŸ—ΊοΈ Location-based applications
  • πŸ”” Real-time notification systems
  • πŸ“Š Data-driven applications
  • ⚑ High-performance mobile UIs
  • ☁️ Cloud-connected mobile applications

πŸ“« Let's Connect

I'm always interested in discussing:

  • React Native
  • Mobile architecture
  • Performance engineering
  • AI/ML
  • Generative AI
  • Technical leadership
  • Interesting engineering problems

Open to remote and international opportunities.


πŸ’‘ Engineering Philosophy

Build it clean. Measure it. Make it scalable. Keep learning.

Pinned Loading

  1. OrisHubApp OrisHubApp Public

    This is the Github Repo for OrisHub Android and IOS app.

    TypeScript

  2. CrudApp CrudApp Public

    TypeScript

  3. retail-pricing-app retail-pricing-app Public

    JavaScript

  4. foodhub-exploratory-data-analysis foodhub-exploratory-data-analysis Public

    Exploratory Data Analysis (EDA) of the FoodHub dataset to uncover customer behavior, restaurant performance, delivery trends, and business recommendations.

    Jupyter Notebook