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Sehii M.

React Native Developer
3.5
years of experience

With over ïŹve years of experience in mobile development, I have honed my skills as a React Native developer, focusing on building fast, reliable, and scalable applications. My expertise spans a wide range of technologies, including Redux for state management, React Navigation for intuitive user experiences, and Firebase for real-time data synchronization and authentication. I am well-versed in TypeScript, Expo, and seamless third-party API integration, along with handling native modules for both iOS and Android. My approach is centered on writing clean, maintainable code while leveraging the latest advancements in the React Native ecosystem. I am passionate about delivering clean, scalable, and maintainable code while keeping up with the latest industry trends and best practices. This dedication to continuous learning ensures that my development approach remains modern and effective, contributing to the overall success of each project I work on. I have a strong understanding of mobile development complexities, and I always strive to implement solutions that not only meet functional requirements but also enhance the user experience. Having worked on various projects, I am adept at handling different aspects of mobile app development, including building UI components, integrating complex backend systems, and managing app performance across multiple platforms. My ability to manage native features and troubleshoot cross-platform issues makes me a valuable asset for any team focused on delivering quality mobile apps. With a focus on achieving both technical excellence and user satisfaction, I am excited to continue contributing to the mobile development landscape.

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Meet me

Education

2013 - June 2014: National University of 'Kyiv-Mohyla Academy', Faculty of Law Science, LLM Degree; March 2020 - March 2021: GoIT, Full Stack Web Developer; March - April 2023: Robot Dreams, Clean Code and Design Patterns

Languages

English: Upper-Intermediate, Ukrainian: Advanced

Skills

AppSync
Amplify
YAGNI
DRY
KISS
Heroku
Netlify
Figma
Keychain
Firestore

Recent Customer Reviews

% Job Success
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Work History

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Employment History

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Projects

React Native Developer

Wujj

Duration:
8 months
Wujj is a groundbreaking FemTech platform that revolutionizes the way users understand and enhance their arousal. Leveraging a connected device equipped with a unique array of sensors, Wujj measures key variables like arousal levels and provides insights to help users optimize their pleasure. Data from the device is seamlessly stored in the app, allowing users to track correlations between factors such as cannabis use, sleep, age, menstruation, and more—all in one empowering platform.
Technologies
buffer
immer
React
Requirements
Results
To develop the Wujj App, I utilized a robust tech stack combining React Native, Firebase, and React Native BLE PLX to seamlessly integrate the app with the hardware device via Bluetooth. This allowed for real-time data transfer and visualization. Advanced tools like React-Hook-Form with Zod enabled efficient form handling and validation, while Lottie-React-Native and React-Native-Reanimated created a dynamic, engaging user interface. For data management, I implemented Firestore for real-time syncing and MMKV for fast local storage. Navigation and accessibility were enhanced with React Navigation and Keyboard-Aware-Scroll-View, ensuring a smooth user journey. By combining innovative technologies and a user-centric approach, I delivered a high-performance app that empowers users to track, learn, and optimize their experience.

React Native Developer

Weilo

Duration:
6 months
Weilo is a cutting-edge solution designed to transform Out of Home (OOH) advertising, helping businesses enhance brand visibility and effectively promote their products. By combining vehicle wraps with Weilo's advanced software, companies can attract recurring customers, drive sales, and improve conversion rates. Tailored to diverse marketing needs, Weilo provides innovative tools to achieve and exceed advertising objectives. With Weilo, businesses gain access to a powerful and efficient platform for OOH advertising, blending innovative technology with strategic marketing to deliver measurable results. From optimizing routes to ensuring impactful exposure, Weilo takes your brand visibility to the next level.
Technologies
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Requirements
Results
To develop the Weilo App, I utilized a robust tech stack, including React Native for cross-platform development and React Native Mapbox GL to create an intelligent navigator with advanced mapping and real-time traffic optimization. By integrating Firebase, I enabled seamless real-time data synchronization and user authentication, ensuring a connected experience. Additional features like document scanning with react-native-document-scanner and efficient permissions management with react-native-permissions enhanced the app's usability and functionality. This comprehensive approach allowed me to deliver a powerful and intuitive solution tailored for effective Out-of-Home (OOH) advertising.

React Native Developer

BabyWanted

Duration:
3 months
BabyWanted is a versatile platform available as a website and a mobile app for iOS and Android, designed to connect parents in a meaningful way. Acting as a modern marketplace, it allows real users to buy and sell gently used children's items such as clothes, toys, and more. Since children grow quickly, this platform provides an excellent opportunity for parents to pass on like-new items to others while finding new treasures for their own kids.
Technologies
webtonative
uuid
stelace
googleapis
yup
Requirements
Results
To develop the BabyWanted App, I leveraged a comprehensive tech stack to create a seamless, high-performance marketplace experience. Using React and Next.js, I built a responsive and SEO-optimized platform with enhanced visibility through Server-Side Rendering and automated sitemap generation. Advanced tools like Uppy and AWS S3 were integrated for secure file uploads, while Firebase powered authentication and real-time data management. I incorporated dynamic features like infinite scrolling, smooth animations with Framer Motion, and native capabilities using Capacitor for iOS and Android. By combining robust payment integrations, efficient form handling with React Hook Form and Yup, and real-time communication with Socket.io, I delivered a reliable, user-friendly platform tailored to the needs of modern parents.

React Native Developer

Piedwork

Duration:
6 months
Management application for people to track the working process, filling out reports, calculating income and expenses.
Technologies
blur
picker
reanimated
Moment
Redux
Requirements
Creating new functional. Creating animation. Creating interactive elements using react-native-gesture-handler. Setting up apple authentication. Creating paginated lists
Results
The React Native Developer's six-month tenure at Piedwork has resulted in the successful development of a robust management application that empowers users to track work processes, fill out reports, and manage financials. Successful setup of Apple authentication adds a layer of security and aligns the application with industry best practices, catering to a broader user base. Efficient data handling and pagination ensure a seamless user experience, particularly when dealing with large datasets.

React Native Developer

Fiber

Duration:
3 months
Take control of your nutrition goals with Fiber, the world’s most precise and user-friendly macro tracking app. Whether you’re aiming to lose fat, build muscle, or maintain your current weight, Fiber simplifies the process, delivering accurate and customized macro calculations tailored to your body composition and activity level. Whether you’re a beginner learning the basics of nutrition or a seasoned athlete optimizing performance, Fiber provides a simple, fast, and powerful tool for tracking macros. It’s the perfect companion for bodybuilders, athletes, and anyone committed to improving their health through precision nutrition. Fiber redefines macro tracking with its accuracy and ease of use, giving you the tools to reach your goals while enjoying the foods you love. No fuss, no hassle—just results. Download Fiber today and transform the way you approach nutrition!
Technologies
lottie
Zustand
TypeScript
TypeScript
Requirements
Results
To develop the Fiber App, I utilized a modern and efficient tech stack, including React Native and TypeScript, to deliver a seamless cross-platform experience. I focused on creating a user-friendly interface with tools like React-native-pager-view for smooth navigation, Lottie for engaging animations, and React-native-keyboard-controller for enhanced input handling. Using Zustand for state management and Async Storage for secure local data storage, I ensured the app was both responsive and reliable. Additional features, such as the in-app review system and intuitive date picker, enhanced usability, making the Fiber App a powerful and accessible tool for precise macro and calorie tracking.

React Native Developer

Pyxi

Duration:
2 months
Discover a world of meaningful connections and unforgettable experiences with Pyxi, the app that transforms your social life into a well-structured and exciting journey. Whether you’re seeking events tailored to your interests or looking to connect with like-minded people, Pyxi makes it effortless to find your place in the world of social discovery. Pyxi is designed to combat loneliness, overstimulation, and disconnection in today’s fast-paced world. By matching users with the right places and people, Pyxi becomes more than just an app—it’s your personal compass for navigating a vibrant social life. Wherever you are, whatever your interests, Pyxi helps you stay connected and discover meaningful experiences.
Technologies
OneSignal
Zustand
Axios
TypeScript
TypeScript
Requirements
Results
To develop the Pyxi App, I utilized a modern and efficient tech stack, combining React Native and TypeScript for a seamless cross-platform experience. I integrated advanced features like an interactive map with React-native-map, real-time notifications using OneSignal, and optimized image handling with React-native-fast-image and React-native-image-crop-picker. With tools like Zustand for state management and React-query for efficient data handling, I ensured the app was fast, responsive, and reliable. By focusing on both user and business needs, I created a dynamic, engaging, and scalable app that simplifies event discovery and connects people in meaningful ways.

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See Our Work

The developers managed to do a large chunk of work in a short period of time. I recommend working with Incode Group for JavaScript development. Thanks to their unrivaled communication and expertise, they know how to do it in the best way possible and make it work, and the business pays off and monetizes.

John McCoy, CEO ProprHome
Lisbon, Portugal
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John McCoy

The MVP saw marked improvement thanks to Incode Group’s smooth communication and dedication to initial requirements. Their project management was a highlight of the engagement, as were their independent, methodical approach and honesty.

Kevin Peters, Agile Rockstars
Hamburg, Germany,
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Kevin Peters - CTO at Agile Rockstars from Hamburg, Germany.
Dan - Project Manager at Agile Rockstars LLC.

All the outsourcing their team completed was expertly done. Incode Group follows instructions carefully. They’re skilled, creative, and dedicated to achieving set goals. Customers can expect a professional development team that delivers in a timely manner.

Shane Robinett, Knetik Inc
Altamonte Springs, Florida
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Shane Robinett - CTO at Knetik Inc
Altamonte Springs, Florida
Mike Stewart - Project Manager at Knetik Inc

We developed an ERP/MRP web app for a successful e-commerce platform. Development process was smooth, and results were very satisfying. Communication is good, and developers are professional and knowledgeable. We are looking forward for more projects to do together.

David Tarbay, Head of Product
Tel Aviv, Israel
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