Senior Full Stack (JavaScript) Engineer for Explorium

Kyiv, Amosova, Ukraine



On behalf of Explorium, Ciklum is looking for a Senior Full Stack (JavaScript) Developer to join our Kyiv team on a full-time basis.


About Client:

Explorium ( offers a new breed of data science platform, fueled by Automated Data and Feature Discovery. By dynamically integrating a company’s internal data with thousands of external sources, the Explorium platform is able to extract the most relevant features and power superior machine learning models.

Explorium is looking for a passionate, creative and talented Full-Stack Developer with experience in frontend frameworks, an eye for clean code, an appetite for working with the latest web technologies and expertise in backend technologies.


  • End-to-end development of new features and enhancements on Explorium’s data science platform
  • Continuous improvement and development of Explorium’s platform frontend infrastructure.
  • Understanding business priorities, participate in feature design and incremental delivery of a SaaS application
  • Working in an Agile environment, at a sustainable pace, in two-week sprints


  • 3+ years of experience with JavaScript
  • Experience in React and state management frameworks (Redux/Mobx etc)
  • Deep understanding of web architecture
  • Fluent in HTML/CSS layouts
  • Extensive hands-on experience coding, testing, and code reviewing
  • Ability to write, read, and speak fluently in English


  • 1 year of experience with Backend
  • Experience in server-side development in Python

Personal skills

  • Passionate developer, experienced in creating web applications of complex data-heavy layouts
  • Team player with a strong can-do attitude
  • Great communication skills and self-learning ability
  • Continuously learn and evaluate new technologies in the everlasting effort to perfect our product
  • A developer with an ability to work independently in a demanding startup environment
  • Independent thinker with an ability to find clever solutions to complex problems

What's in it for you

  • Variety of knowledge sharing and training opportunities
  • Unique working environment where you will have a chance to communicate and work directly
  • with clients
  • Competitive salary
  • Career and professional growth
  • Possibility to work for a big, global and successful company
  • Long-term employment with 20 working-days paid vacation and other social benefits
  • State of the art, cool, centrally located offices with warm atmosphere, which creates really good working conditions
  • Ability to improve English communication skills by working in a diverse and distributed team of professionals and meeting with customers