Senior Front-end Developer at Interactio (Vilnius, Lithuania)

Senior Front-end Developer at Interactio (Vilnius, Lithuania)

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Location: Vilnius, Lithuania
Type: Full Time
Created: 2021-08-18 05:00:36

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Senior Front-end Developer

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.


  • Collaborating with the software development team on application design and development
  • Developing new user-facing features using React.js
  • Building reusable components and front-end libraries for future use
  • Translating designs and wireframes into high quality code
  • Optimising components for maximum performance across a vast array of web-capable devices and browsers
  • Write and maintain unit test.


  • At least 5 years of experience in Software Development
  • 3+ years of experience working with JavaScript
  • Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
  • Strong proficiency in TypeScript
  • Thorough understanding of React.js and its core principles
  • Implementation of automated testing platforms and unit tests
  • Proficient understanding of code versioning tools such as Git
  • A knack for benchmarking and optimization
  • Familiarity with continuous integration
  • Knowledge of RESTful APIs
  • Knowledge of modern authorization mechanisms, such as JSON Web Token
  • Knowledge of Networking (TCP, UDP) and WebSockets
  • Ability to understand business requirements and translate them into technical requirements
  • Excellent written and spoken English language


  • Experience with Media streaming
  • Experience with Video conferencing
  • Cross-platform experience with Windows/macOS/Linux
  • Familiarity with Electron
  • Familiarity with WebRTC Protocol
  • Experience with common front-end development tools such as Babel, Webpack, NPM, etc.



  • Interactio Broadcaster - Video conferencing, media streaming application and tools.
  • 3rd party plugins - Integration with 3rd party software and systems (eg. MS Teams)
  • Exciting fast-paced international environment (hey, we are shifting the global market!)
  • Flexible working conditions
  • The most interesting client list you can get
  • Reasonable compensation package
  • Potential to earn options in the company
  • Cutting-edge technological stack
  • An awesome international team to work with and the chance to bring our exciting technologies to the market (we speak 17 languages internally and over 100 externally)