DevOps Engineer

Ljubljana, Slovenia Full-time

We are looking for an infrastructure engineers (aka DevOps / SRE) to help us grow another order of magnitude or two. You will be part of our DevOps team, which is responsible for our product’s availability, latency, performance, efficiency, monitoring, emergency response and capacity planning.


Our challenges are: 

Design, develop and maintain software that handles deploying, scaling and monitoring of our product.

Establish design patterns and best practices for building new product features in a scalable and reliable way.

Verify and help developers apply those patterns and participate in early stages of feature design, when needed.

On-call a portion of your time to get your hands dirty and gain experience.

Production environment is something you care about and willing to share with developers to diagnose issues and hunt down elusive bugs.

SLA is your law, uptime objectives are met by participating in controlling the risks and rate of change in collaboration with the QA team. 



What do we expect?

Software development 

  • Programming languages.
  • Software and system architecture. 
  • Debugging and profiling.
  • Familiarity with databases.  
  • Version control. 

System administration  

  • Unix philosophy and internals.
  • Networking. 
  • Databases. 
  • High-availability. 

What brings extra points? 

  • Cloud Computing Experience (AWS, Azure …). 
  • Kubernetes and containerization in production environments. 
  • Experiences with monitoring systems (Prometheus) 

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 offers a cloud-based, self-service software that empowers global brands like Unilever, Facebook, Uber and VICE to manage the entire creative lifecycle of digital advertising. The product streamlines the process of creating, deploying and optimizing digital advertising, improving advertising effectiveness while reducing operational costs. The platform offers powerful, easy-to-use creative tools to enable advertisers to produce high-quality, unique digital experiences. 


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 opportunities for employees seeking a more active lifestyle