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

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!
Skills & Expertise
Specialized in mobile app development with extensive experience in React Native
Mobile App Development
Web Development
Backend Development
Tools & Technologies
Professional Experience
7+ years of building amazing mobile and web applications
Freelance React Native Developer
- ▸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
- ▸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
- ▸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
- ▸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
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.

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.

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.

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.

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.

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.
More projects available upon request
Discuss Your ProjectLet'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.