Sergey Shpak

Experience

• 

  Qualium Systems

  Jan 2015 - Aug 2017

  JavaScript developer

  In this company, I`m working on several projects, as JS dev. Mostly, I`m using react, react-native Angular 2, NodeJs. First of all, I`m developing some UI( HTML+CSS if it`s web application and Some markup with JSX, if I create something on react-native). After that, I begin to develop some front-end logic, or update that logic(do some refactor)

• 

  DISH Network

  Sept 2017 - May 2020

  Senior Software Engineer Team Lead
• 

  Mobilunity | Dedicated Development Teams

  Jun 2020 - Dec 2021

  Javascript Developer ( React, React-native, Next,js, TypeScript, Vue.js )

  Led a cross-functional team of engineers and product managers to complete a major software project on time and within budget• Resolved customer complaints promptly and conducted root cause analysis to identify and prevent similar issues in the future• Tech and Team lead for several projects• Developed and maintained technical documentation for products and processes• Developed and distributed React and React-Native solutions

• 

  Grid Dynamics

  Dec 2021 - Apr 2024

  Lead Software Engineer

  • Developed a real-time notification system that kept users informed of the latest updates and events• Created an automated deployment script that reduced time-to-deployment from 3 days to 4 hours• Developed a full-stack web application using modern technologies such as React, Node.js, and MongoDB• Implemented a single-page application using React and Redux that improved overall performance andusability