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Serghei C. iOS, React Native and Swift Platforms

My name is Serghei C. and I have over 9 years of experience in the tech industry. I specialize in the following technologies: Apple Xcode, MongoDB, Swift, iOS Development, Test-Driven Development, etc.. Some of the notable projects I’ve worked on include: Chicago Metra Tracking App, Going Solo - Traveling app for solo travelers, Green Your Day, Mindifyer - OCD tracking app, Orna, etc.. I am based in Chisinau, Moldova. I've successfully completed 8 projects while developing at Softaims.

My expertise lies in deeply understanding and optimizing solution performance. I have a proven ability to profile systems, analyze data access methods, and implement caching strategies that dramatically reduce latency and improve responsiveness under load. I turn slow systems into high-speed performers.

I focus on writing highly efficient, clean, and well-documented code that minimizes resource consumption without sacrificing functionality. This dedication to efficiency is how I contribute measurable value to Softaims’ clients by reducing infrastructure costs and improving user satisfaction.

I approach every project with a critical eye for potential bottlenecks, proactively designing systems that are efficient from the ground up. I am committed to delivering software that sets the standard for speed and reliability.

Main technologies

  • iOS, React Native and Swift Platforms

    9 years

  • Apple Xcode

    2 Years

  • MongoDB

    6 Years

  • Swift

    4 Years

Additional skills

Direct hire

Potentially possible

Previous Company

DataArt

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Experience Highlights

Chicago Metra Tracking App

The goal was to take a legacy React Native CLI project and: - Convert it to an Expo app - Integrate Google Ads - Add new features (Favorites, Live Updates, Analytics, Alerts, etc) - Apply new designs - Rewrite the API layer

Going Solo - Traveling app for solo travelers

This is a project I'm currently working on for a client on this platform. The app is built with Swift and UIKit. I've been tasked with building multiple features showcased in the images and videos here. - Nearby Travelers Map - New subscriptions page - New traveler matching onboarding flow - Caching chat messages using Core Data - Add a custom Pinterest style list layout - Redesign several screens - and a lot more

Green Your Day

This is my most recent freelance project built entirely by me. The client provided the backend and design It simplifies how parents purchase rides and masks for their kids in children entertainment centres in Singapore Main features include: - A completely dynamic and backend customisable home screen - In-app payments via Stripe - Quite complex redemption flows for each entertainment platform - Push notifications - Deeplinks

Mindifyer - OCD tracking app

An in development app for OCD patients tracking their therapy exercises. Written in React Native.

Orna | Daily wallpapers

My latest app created from scratch. App and Backend. Coming from a personal need for new and delightful wallpapers everyday. In simple terms the app will give you 3 new wallpapers each morning that you can select from. My goal is for it to be clean, tasteful and easy to use. Key Features: 1. A dynamic UI that changes colors as the user explores it 2. Written entirely in React Native using Typescript 3. Features local push notifications, in-app purchases and intuitive UI 4. The backend was written in Typescript as well. Tech used: MongoDB, Express and Node.js

Languages

  • English
  • Romanian, Moldavian, Moldovan
  • Russian