Senior QA Engineer

Ljubljana, Slovenia | Product Development | Full-time | Fully remote


We are searching for an experienced Senior QA Engineer that will help us solve our challenges of scale, integration, quality, and agility. We provide the best SAAS platform for automating and scaling creative production on the market. Our customers are the biggest brands and publishers in digital advertising.


  • extraction of key product features (business and product-wise) based on specification, identification of associated risks and application of appropriate test procedures 
  • ownership and accountability for product’s test plans and test strategies 
  • committed execution of exploratory and automated testing 
  • a critical view on new feature implementations and existing development processes


  • 3+ years of experience in a QA and web technologies related field 
  • good knowledge of web technologies (Javascript, HTML, CSS, PHP), web development tools and QA methodologies
  • hands on experience with test automation tools (Puppeteer, Selenium, Appium, Eggplant), other test frameworks and scripting languages (bash, python, ruby, javascript) 
  • solid understanding of design principles and UX
  • fluent in spoken and written English


What we do 

Celtra world-class products

In the past years, Celtra has built two world-class products, Creative Enablement (CE) & Creative Automation (CA)

  • Creative Enablement (CE)

Creative Enablement is already a growing market leader for a couple of years, helping companies such as CNN, TripAdvisor, Bloomberg, NBCU, ... to enable creativity and improve the quality of their advertising inventory. Our technology enables customers to generate and serve thousands of ads in seconds.

  • Creative Automation (CA) 

Celtra’s younger CA product is chasing a much bigger opportunity by helping brands make content creation better, faster, and more efficient. It is still in the early days of development and lots of features need to be developed, but it already has an impressive list of customers such as Spotify, adidas, Shopify, Unilever, P&G Lululemon…


At Celtra the end goal is to build great and quality products and make our users’ life easier. We’re on a journey to create something new in the creative technology space. 


What we offer 

In Celtra it’s all about looking beyond the surface, beyond the numbers, and really trying to see the qualities that are at the core of each person, their talents; the discovered ones or better still, the undiscovered ones. We look for people who naturally want to take responsibility for their own success, and strive to do something that has a tangible impact. 

To our best talent, we give them the freedom to do the unusual.

Our perks and benefits are: 

  • We have a remote-first culture with a possibility to work from the office that offers a dynamic workplace and quality working conditions
  • We offer a competitive benefits and compensation package 
  • We place great importance on the professional development of our employees 
  • We provide employees with top-notch working equipment and an additional budget for your home office
  • We provide work-life benefits that allow flexibility at different stages of life 
  • We provide plenty of opportunities for employees seeking a more active lifestyle