Job Openings Senior Front-End Developer / Sofia

About the job Senior Front-End Developer / Sofia

Human Power BG is an HR agency that offers consultations and recruitment for some of the best companies in Bulgaria.



This job is with our client ltd which is now part of other company.

We are looking for highly driven, talented and self-motivated Engineers to join a team of world-class engineers. Software Engineers would need skills to lead the development of any area of a large, scalable, distributed system or application. They would also work on the latest cutting-edge internet/software technology.


  • Design and implement user-friendly frontend applications which integrate seamless with existing applications
  • Engage with architects/product team to comprehend functional challenges, prototype new ideas, and new technologies, and help to create innovative UX solutions.
  • Work in all phases of front-end development while working closely with UI designers to analyse user requirements and design
  • Develop high performance React web application and optimizing components for maximum performance across browsers
  • Ensure cross-platform optimization and responsiveness of applications.
  • Create functional design specifications and assist with other project deliverables as needed.
  • Coordinate with Back End developers in the process of building the RESTful API


  • Bachelors or higher in Computer Science, Computer Engineering & IT related fields or related technical discipline
  • 5-7 years of experience in building and supporting web-based applications using modern JS frameworks, and with minimum 2 years using React hook and ES6
    -Strong knowledge in data structure and programming logic
  • Preferred: experienced in using TypeScript
  • Expertise in HTML DOM, SCSS, cross-browser compatibility and responsive layout
  • Experienced in writing unit test using jest/react-testing-library
  • Able to do performance analysis and tuning for React app
  • Familiar with react-query, axios, redux
  • Familiar with RESTful API, XSS, CSP header, i18n, Web Accessibility/WAI-ARIA
  • Familiar using Linux, git, npm, webpack
  • Passion for Kiteworks mission

Additional skills and experience that you bring:

  • Ability to refactor complex code into modular and reusable components.
  • Ability to debug and resolve issues in upgrading npm libraries that breaks the app.
  • Knowledge of best practices and good coding pattern for large React application.
  • Knowledge of Web Browser Profiling and Rendering Optimizations.
  • Knowledge of web-socket and latest technology will be an advantage.
  • Team player and strong communication skill with peer developers.

Our client has a very dynamic and flexible work culture and were looking for driven, resourceful, and proactive thinkers to solve complex technical challenges.


You''ll be rewarded with a competitive compensation package including stock option, additional health insurance, 25 days of annual paid leave, eight-hour workday and hybrid working environment with home office options.


If this position is of interest to you and you meet the requirements, please send your updated CV.

For any questions you may have, please contact us:
087 834 4981 or [email protected]

Thank you!


We will contact only approved candidates!
Our services are free of charge to all applicants.


All candidates will be treated in strict confidence.

All data provided by you is protected by the meaning of the Personal Data Protection Law and will be used only for the purposes of this selection.


Human Power has an indefinite license 3084 issued by the National Employment Agency to provide services in the field of human resources.