Job Specification

JavaScript Software Developer (Sofia-Bulgaria)

ISG technology is an innovative UK based end-to-end IT services supplier with over 25 years experience in all aspects of network infrastructure.  With six offices in the UK and one in Sofia, we offer our employees the ability to work for an international company with some of the largest, most well-known companies in the world.
We are a Microsoft Gold Partner company and are one of the industry leaders in our field.  Due to ongoing strategic business expansion, we are now looking to recruit JavaScript developer with at least 2 years experience.  You may be the person we need!
As a JavaScript developer, you will be part of a small team of software developers working for a very dynamic, successful and rapidly expanding UK based Telecom. You will be engaged in cutting edge web/mobile projects on development and maintenance of websites and communication-based applications.
You will be expected to have an active role in the full life-cycle web development from the data access layer to the user interface.
Job description:
We are looking for a professional JavaScript Developer. You will provide sound functional, scalable applications.

  • Develop new software applications from concept to finish, with regular tests and maintenance.
  • Develop hybrid mobile solutions using Telerik App builder and web technologies.
  • Deployment of new functionality and enhancements.
  • Resolution of mobile specific issues.
  • Write good code.
  • Build reusable code and libraries for future use.
  • Guarantee the technical feasibility of UI/UX designs.
  • Optimize applications for maximum speed and scalability.
  • Evaluate and implement advanced JavaScript libraries and frameworks as needed.
  • Understand asynchronous request handling, partial page updates, and AJAX.

Job benefits:

  • Interesting and dynamic prjects
  • Training and development opportunities
  • Attractive payment and social benefits
  • Work in a pleasant and comfortable office
  • Multi-cultural experience and networking
  • Friendly and supportive team
  • Additional Private Health insurance
  • Sport pass
  • Food Vouchers
  • Professional development
  • Great and friendly work environment

Job requirements:

  • At least 2 years of experience with JavaScript, jQuery
  • A proven track record of developing software, web applications using JavaScript.
  • Solid knowledge of JavaScript quirks and workarounds
  • Strong understanding of compatibility issues across browsers
  • Provide support of ISG’s and Clients JavaScript applications
  • Experience with performing QA tests alongside development
  • Excellent verbal and written communication in English language.
  • Bachelors degree in Computer Science, Engineering, or relevant fields.
  • Bright, energetic and a resourceful individual

Technical Skills:

  • JavaScript
  • jQuery, AJAX & JS Libraries
  • SQL
  • Jira, Team Foundation Server (TFS), GitHub
  • Knowledge/experience of Agile SCRUM
  • Visual Studio (VS Code)


  • Any Mobile Apps Development experience
  • Experience with Telerik Platform app builder
  • Experience working with device local storage
  • Experience with SQLite
  • Knowledge in Continuous Integration
  • Experience with Jira, TFS, Git

If you feel you meet the criteria above and share the team’s drive for excellence, we’d love to hear from you. And, if you do, you’ll discover that there really is no better time to join us.
Only short listed applicants will be contacted.


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