App & Web Developer

React Native Expert | 7+ Years of Experience

Specializing in mobile app development with React Native. Building beautiful, performant applications that users love.

About Me

Profile

Professional App Developer

I'm Fena Thummar with over 7 years of professional experience, I specialize in mobile app development using React Native. I've helped numerous clients bring their app ideas to life, creating user-friendly, performant, and scalable mobile applications.

While my primary expertise lies in React Native and mobile app development, I also have experience with React.js and Next.js for web development. I'm continuously learning and expanding my skills to provide comprehensive solutions to my clients.

I'm available for freelance projects and can be found on Fiverr and Upwork. Let's work together to turn your vision into reality!

7+
Years Experience
50+
Projects Completed
100%
Client Satisfaction

Skills & Expertise

Specialized in mobile app development with extensive experience in React Native

Mobile App Development

React Native
iOS Development
Android Development
Mobile UI/UX
App Store Deployment
Performance Optimization

Web Development

React.js
Next.js
HTML5 & CSS3
Responsive Design
JavaScript/TypeScript
Tailwind CSS

Backend Development

Node.js
Express.js
RESTful APIs
Database Design
Authentication
Server Deployment

Tools & Technologies

Git & GitHub
Firebase
Redux/Context API
Testing (Jest)
CI/CD
Agile/Scrum

Professional Experience

7+ years of building amazing mobile and web applications

Freelance React Native Developer

Freelance / Various Clients
Apr 2025 - Present
  • Leading mobile app development projects for diverse clients, delivering production-ready React Native applications
  • Architecting scalable mobile solutions with focus on performance optimization and user experience
  • Successfully launched multiple apps on App Store and Google Play Store with high user ratings
  • Providing end-to-end development services from concept to deployment, including backend integration

Head of Engineering

Tata Consultancy Services
May 2022 - Apr 2025
  • Led engineering teams in developing enterprise-level mobile and web applications using React Native and modern frameworks
  • Architected scalable solutions and established best practices for code quality, performance, and maintainability
  • Mentored senior developers and drove technical decision-making for multiple high-profile projects
  • Collaborated with stakeholders to define technical roadmaps and deliver solutions exceeding client expectations

Senior Software Engineer

Tata Consultancy Services
May 2020 - May 2022
  • Developed and maintained complex React Native applications for enterprise clients with millions of users
  • Optimized app performance, reducing load times by 40% and improving user engagement metrics
  • Implemented advanced features including real-time synchronization, offline capabilities, and push notifications
  • Led code reviews, established coding standards, and mentored junior developers in React Native best practices

Software Engineer

Tata Consultancy Services
January 2018 - May 2020
  • Built cross-platform mobile applications using React Native for iOS and Android platforms
  • Developed responsive web applications using React.js and Next.js with modern UI/UX principles
  • Integrated RESTful APIs, third-party services, and payment gateways for seamless user experiences
  • Collaborated with cross-functional teams to deliver high-quality software solutions on time and within budget

Featured Projects

A selection of projects showcasing my expertise in mobile and web development

BigChefs - Restaurant Loyalty App

BigChefs - Restaurant Loyalty App

I built a restaurant loyalty mobile application that allows customers to view the restaurant menu, scan QR codes during visits, and earn reward points. The app helps restaurants engage customers digitally by offering rewards, promotions, and event updates. I developed the mobile app using React Native and built secure backend APIs for authentication, QR scanning, and points management.

React NativeBackend APIsQR ScannerAuthenticationPoints Management
Mindspace Club – Online Therapy & Mental Health App

Mindspace Club – Online Therapy & Mental Health App

Mindspace Club is a comprehensive mental health and online therapy mobile application designed to provide users with confidential, personalized, and professional psychological support.The app allows users to access professional counseling, take mental health assessments, and connect with trained listeners in a secure and anonymous environment.

React NativeJavaScriptReduxFirebasePush Notifications
Lieferando - Food Delivery App

Lieferando - Food Delivery App

I implemented core user flows such as browsing restaurants and stores, selecting items, placing orders, and tracking deliveries in real time. I also worked on integrating location-based services to show nearby restaurants and stores, handling different payment options, and managing order status updates through push notifications. In addition, I collaborated closely with backend APIs to ensure secure data handling, reliable order processing, and real-time updates.

React NativeJavaScriptFirebasePush NotificationsOrder Management
Flare - Group Communication App

Flare - Group Communication App

Flare is a group communication mobile app designed to help communities, teams, and organizations stay connected in one place. Users can chat in groups, create events, manage attendance, share files, and make announcements. The app focuses on privacy, secure communication, and easy event management using features like QR-based attendance, private groups, and admin approvals. I worked on building mobile features using React Native, focusing on performance, usability, and real-world use cases such as events, attendance tracking, and group engagement.

React NativeBarcode ScannerEvent ManagementMobile App Development
Ecommerce CRM

Ecommerce CRM

A comprehensive ecommerce CRM web application designed to help businesses manage customer relationships, track sales, and streamline operations. The platform provides tools for customer management, order tracking, inventory management, and analytics to help ecommerce businesses grow and manage their operations efficiently.

Next.jsCRMEcommerceWeb Development
Karizma – Job Matching App

Karizma – Job Matching App

Karizma is a next-generation job matching platform designed to streamline hiring for fast-paced industries. I developed the app with a swipe-based UI, video resumes, and in-app chat functionality. My work included designing user journeys for job seekers and employers, implementing smart match filtering algorithms, and building real-time notification systems. The platform features personalized job suggestions, company profiles, and comprehensive application tracking to simplify the hiring process.

React NativeJob Matching PlatformSwipe-based UIReal-time NotificationsVideo Resumes

More projects available upon request

Discuss Your Project

Let's Work Together

Available for freelance projects. Let's discuss how I can help bring your ideas to life.

Get In Touch

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision. Feel free to reach out through any of the platforms below.