Alexander K.

Alexander K.

React developer

Top performer 10/10
Ukraine
Trusted member since 2019
11 years of experience

For the past six years, he has mainly worked on React and React Native. He also has impressive knowledge about architecture styles, technologies, domains, and software development methodologies, gained in over 11 years of experience working with JS-based frameworks. Alexander even worked on developing React Native, leaving snippets of his code on almost every iPhone on Earth.

Some of his more interesting projects include a state-of-the-art job search application for doctors and nurses, an app for Skydiving Centers' employees, and an app for notifications of shows' new episode releases, including many others.

Main expertise

React NativeReact Native6 years
JavaScriptJavaScript11 years
PHPPHP5 years
Node.jsNode.js6 years
3+

Experience3

Mobile Developer

Proxify AB
Information Technology (IT) and Services
May 2019 - Aug 2021 · 2y 3m
  • Developed a Job Search application for doctors and nurses from scratch.
  • Implemented user authorization via BankID.
  • Integrated Intercom for customer communication.
  • Implemented push notifications using Google Cloud Messaging (GCM).
  • Used App Center for continuous integration and delivery (CI/CD).
  • Added Firebase Analytics and Crashlytics for performance monitoring and crash reporting.
React NativeReact Native
Freelance

Mobile Developer

Freelance
Remote Work and Collaboration
Sep 2016 - Mar 2019 · 2y 6m
  • Created applications from scratch.
  • Developed new features for existing applications.
  • Published apps to the App Store and Google Play.
  • Created prototypes for new app concepts.
  • Fixed bugs and resolved issues in existing applications.
  • Optimized app performance and efficiency.
React NativeReact Native
NIX Solutions

Web Developer

NIX Solutions
Information Technology (IT) and Services
Dec 2010 - Apr 2016 · 5y 4m
  • Developed front-end components for web applications.
  • Built user interfaces with a focus on usability and design.
  • Contributed to back-end development and server-side logic.
  • Created and maintained social applications.
PHPPHP
HTMLHTML
ZendZend

Assessments

Engineering excellence

Alex’s overall performance in a 90-minute live technical assessment ranks in the top 25% of vetted React developers at Proxify.

Education

Kharkiv National University of Radio Electronics
Kharkiv National University of Radio Electronics
Computer engineering2005 - 2010

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