Personal details

Andrei Z. - Remote mobile app developer

Andrei Z.

React Native Developer
Based in: 🇮🇹 Italy
Timezone: Rome (UTC+2)

Summary

👋 Hi there! I'm Andrei, a seasoned Software Developer with a passion for crafting exceptional Mobile Apps and Websites. With over a decade of industry experience, I've had the privilege of creating successful projects and launching startups that have garnered recognition and accolades.

🌟 What sets me apart:

  • React Native Expert: React Native is my forte, and I pride myself on my deep understanding of the framework. I have successfully built and deployed a range of cutting-edge mobile apps that have garnered widespread acclaim.
  • Next.js & React.js Expert: I also specialize in Next.js for building powerful web applications. I have a wealth of experience ranging from building crowdfunding platforms to developing complex payment service applications.
  • Entrepreneurial Background: As the Founder of multiple startups, my expertise in React Native development has contributed significantly to the success of my ventures, earning recognition and accolades along the way.

Work Experience

React Native & Next.js Developer
7Onyx | Sep 2022 - Present
TypeScript
Stripe
React
CSS
JavaScript
GraphQL
Next.js
Tailwind css
AWS (Amazon Web Services)

· Successfully developed a Crowdfunding app with Next.js, now utilized by junior golfers across the US to raise funds for their tournaments.
· Integrated Stripe SDK into AWS Lambda Functions to efficiently handle and distribute donations when a tournament is completed by a golfer.
· Leveraged the SWR Cache mechanism and AWS Amplify DataStore Subscriptions to enable real-time in-app data updates, improving UX.
· Developed the GraphQL API using AWS Amplify for efficient data interactions, improving app performance and user experience.

CTO / React Native Developer
Trustio Inc. | Jan 2021 - Jul 2023
TypeScript
Stripe
JavaScript
React Native
GraphQL
Tailwind css
AWS (Amazon Web Services)

· Led the creation of an escrow service app using React Native, embraced by contractors and clients across the US for timely and secure payments.
· Revamped the Back-End architecture of the existing app using AWS Amplify, introducing a referral system for both clients and contractors.
· Seamlessly integrated the Stripe SDK into the app, enabling client card charges and efficient distribution of funds to multiple contractors.
· Successfully transitioned React Native iOS and Android apps into PWAs using React Native Web, resulting in a 20% surge in customer acquisition.

Education

Saxion University of Applied Sciences
Propaedeutic DiplomaSoftware Engineering
Sep 2017 - Jul 2019
Center of Excellence in Economics and Finance
College DegreeComputer Science
Sep 2013 - Jul 2017

Personal Projects

2020
Bluetooth
Machine Learning
TypeScript
Stripe
Es6
JavaScript
React Native
Redux
TensorFlow
Mobile App Development
· Successfully built and deployed two full-scale mobile apps using React Native and Expo, used by patients and dentists worldwide. · Achieved a 70% increase in the accuracy of bruxism detection by integrating machine learning models with TensorFlow in React Native. · Lead the development of a custom React Native Library for Android, enabling BLE event reception on the phone using Background Service. · Boosted Redux store writing speeds by 30% by adopting immutable lists over JavaScript arrays and optimizing the Async Storage write logic.
2019
Node.js
Git
Es6
JavaScript
React Native
GraphQL
Apollo
Mobile App Development
· Contributed to the development of a high-demand fitness mobile app using React Native, reaching an audience of 50k+ users. · Utilized Apollo Client and GraphQL's flexibility to fetch precise data, reducing over-fetching and minimizing network load. · Improved development workflow and collaboration by adopting Git Flow within the team.

Certifications & Awards

Cellerant Best of Class Technology Award 2020
Cellerant Consulting Group | Aug 2019