X1 Group — команда из 80+ профессионалов, занимающихся разработкой крутых технологических проектов с 2009-го года. Только продуктовые долгосрочные команды для EU & USA клиентов с инвестициями и современными технологическими стеками. Модель — аутстаф. Длительность проектов 3+ лет.
17 сентября 2021

Senior Frontend Developer

Харьков, удаленно

We’re expanding the team for a Berlin-based tech company that is a leading independent provider of data-driven digital advertising solutions in Europe.

Our vision is to become the go-to platform for high-impact programmatic advertising. By putting innovation first, we see ourselves as the independent tech specialists for awareness-focused digital advertising. While together with our customers we create excellent brand experiences for a better advertising world with non-intrusive digital ad formats.

Such brands as Netflix, Airbnb, Sony, IKEA, Universal, Lufthansa, BMW, Audi advertise on our platform.

Since 2006 we are listed on the stock exchange as one of the first providers of mobile advertising and continue to be a dynamic company with flat hierarchies. More than 80 employees at seven European locations strive to make a meaningful and sustainable contribution to better advertising.


You have 4+ years of experience with ReactJS

  • You have expert level familiarity with JavaScript, HTML5, CSS3
  • You have experience consuming RESTful API’s and a basic understanding of relational databases
  • You are confident with NPM or YARN and know how to organize build and deployment processes for your application
  • You have high-quality standards, a sense of structured and clearly legible code
  • You are a Team player and have a passion for software development

Will be a plus:

  • You have some experience with Front End QA automation
  • You’re comfortable in an Agile and Scrum environment, have experience with JIRA and GitHub pull requests
  • You have some experience with Node.js and WebSockets


The Hub application is a combination of business analytic tools and rich management interfaces for VIS.X®, our unique advertising technology that enables efficient execution of media and high-impact ad products at scale. As a talented WEB developer, you will work on the architecture and component base for the central operational unit in our organization.

The following tasks specify your area of work:

  • You will work together with the team to find solutions for data visualization and a better user experience
  • You work on the architecture and design of our application
  • You are responsible for the implementation and test automation of new features
  • You identify optimization needs and communicate them proactively


We offer you the opportunity to actively contribute to the shaping of your role, to give new impulses, and to implement your ideas. It is our goal to support you in your personal and professional development, and together, to continue our pioneering work in the future-driven digital advertising market.

You’ll be a part of our cross-border product team and will have your say in all tech aspects of our platform — architecture, infrastructure, engineering. You’ll work directly with the business/product on Berlin-side and there will be no project managers on Kharkiv-side.

  • Direct cooperation with already successful, long-term, and growing project
  • Brand new spacious and cozy office in the center of Kharkiv — you’ll definitely love it!
  • Weekly: English speaking clubs
  • Massage by a professional therapist in the office
  • Health insurance with premium-level clinics
  • Covered 20 days of vacations and 10 days of sick leave
  • Your PE bookkeeping will be maintained by a professional accountant
  • Attendance of conferences and tech events in Ukraine and/or Europe
  • Last but not least — fair compensation for your efforts