Senior React.js Developer

Adrack LLC

Industry: Information Technologies

City: Yerevan

Employment type: Full time

Deadline: 12/9/2020


Adrack is looking for a skilled React.js Developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class React.js Developer should be able to design and build modern user interface components to enhance application performance.

The Company uses Microsoft based technologies (Azure, C#, SQL Server) and employ an Agile practice with consistent reviews from the project and development manager.

If you’re also familiar with Agile methodologies, we’d like to meet you.




  • Developing and implementing front-end architecture to support user interface concepts using React concepts.
  • Provides story or business requirements breakdown planning and estimation, reviews and evaluates the team's estimates
  • Ability to understand business requirements and translate them into technical requirements
  • Identifying web-based user interactions and improvements of applications like improving response time and compatibility with different browsers.
  • Troubleshooting interface software and debugging application codes.
  • Monitoring and improving front-end performance.
  • Documenting application changes and developing updates.
  • Meeting with the development team to discuss user interface ideas and applications.


  • Bachelor’s degree in Computer Science, Information Technology, or a similar field.
  • 5+ years of JavaScript front-end development
  • 5+ years consuming RESTful web services
  • Previous experience working as a React.js Developer.
  • In-depth knowledge of JavaScript, ReactJS, TypeScript, CSS, HTML 
  • Understanding of JavaScript Design patterns, transpilers, and module bundlers.
  • Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
  • Experience with various UI toolkits and interaction models including responsive design
  • Understanding of MVC / MVVM / MVP structure and development patterns
  • Unit Testing, Puppeteer, Automated Testing, Cross Browser Testing, Cross-Device Testing
  • Knowledge of performance testing frameworks including Mocha and Jest.
  • Ability to work closely with backend engineers specific to the implementation of back<->front business logic
  • Experience with browser-based debugging and performance testing software.

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