Full Stack Developer

Ljubljana, Slovenia | Product Development | Full-time


We are currently looking for an intelligent, passionate Full Stack Engineer to be part of our cross-functional product-engineering teams. On a daily basis, you will collaborate closely with various teams on a global basis in order to build a lot of exciting new features for a new segment of our clients.

In this role, you will be developing our single-page apps built out of hundreds of Vue.js components and Vuex modules. If you ever wanted to work on a large client-side application, this is going to be a very exciting challenge! You will also work on the back-end of our app, consisting of our REST API, Real Time Messaging API and a whole family of background services. Main technologies of back-end are NodeJs, PHP and MySQL, but in our stack you will also find technologies such as Python, Go, Redis, Scala and MongoDb...



What do we expect?

  • Good general programming knowledge and understanding of modern software development processes.
  • Experience with multiple programming languages and paradigms.
  • Good knowledge of relational databases (MySQL).
  • Very good knowledge of server-side technologies (PHP, Ruby on Rails, Python).
  • Very good knowledge of modern web technologies, with focus on Javascript, CSS and HTML.
  • Good understanding of various software paradigms and architecture styles (REST, OOP, MVC, functional programming, etc.).
  • Passion for doing TDD, code reviews and writing technical specifications.
  • Fluent written and spoken English - you will be using it every day.
  • Ability to work with product owners and the QA team to implement and deliver features in a timely manner.

What brings extra points?

  • Knowledge of ORM frameworks.
  • Knowledge of JavaScript frameworks (VueJs, React, Angular, Ember).
  • Experience with a frontend state management framework (e.g. Vuex, Redux, ...).
  • B.Sc. or higher in Computer Science or a related field (or a very good reason for not having one). 


About Celtra

We are a hi-growth AdTech company with 180+ employees around the globe with offices in Boston, New York, San Francisco, London, Ljubljana and Singapore. Celtra is self-service enterprise software for automating and scaling creative production. Celtra enables creative and marketing teams to design, approve, and deliver digital creative across the ever growing number of channels, ad formats, variations, and markets. Companies like VICE, Unilever, Lululemon, CNN, and Hearst partner with Celtra to cut production costs while increasing efficiencies and output in the cloud.

Here it’s all about looking beyond the surface, beyond the numbers, and really trying to see the qualities that are at the core of the person, their talents; the discovered ones or better still, the undefined 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 the freedom to do the unusual.

We take good care of our people. 

  • 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 
  • We provide work-life benefits that allow flexibility at different stages of life
  • We offer a dynamic workplace and quality working conditions 
  • We provide plenty of opportunities for employees seeking a more active lifestyle