Machine Learning Engineer (Sofia, Bulgaria)

Who we are

SaaS scale-up in growth!

We are a software company that develops and staffs live chat features for companies that want to convert multiple website visitors into leads. Today, we handle chats for 1400+ companies in the Nordic region and have ambitions to become the leading provider in the global market. With our ambitious growth goals, the development of our IT team takes a crucial role – here you come into play!

We + reply = Weply

We meet our customers visitors’ needs for instant replies and personal customer experience via a dedicated and trained team of chat agents, ensuring a meaningful real-time engagement. Our chat solution is proven to increase conversions and customer loyalty.

By having real people assisted by artificial intelligence to answer chats, every inquiry gets a fast response and qualified leads are identified, delivered to our clients. This leaves them with more time to focus on their expertise.


Some of the leading digital companies in the world across multiple industries are taking the journey with us. We are working on the cutting edge technology, remain fanatical and creative user experience, and yet try to be focused, simple and straightforward with our web and mobile applications.

Team of Vikings

Our commercial team sits in our offices in Copenhagen, Denmark, while our product development team is based in Sofia, Bulgaria. We have a large network of chat agents spans in 130+ locations all over the world. True to the old Viking traditions, we are explorers, dreamers and occasional party-doers!


  • 3+ years of experience in field
  • Familiarity with machine learning and data science concepts and algorithms (unsupervised learning, supervised learning, and deep learning)
  • Good knowledge of most machine learning algorithms and good practices;
  • A thorough understanding of the data science and machine learning development process as well as software architecture
  • Python proficiency
  • Good command of written and spoken English


  • Good working experience of at least one cloud infrastructure, ideally AWS
  • Familiar with the concepts of MLOps
  • Experience in software engineering

What we offer

  • This is a full-time position that comes with an excellent salary and an opportunity to grow within the company based on demonstrated merit. 
  • The chance to work together and learn from one of the top AI/ML experts in Denmark
  • Supportive environment.
  • Work-from-home opportunities
  • Annual team building that gathers together the offices from Sofia and Copenhagen.
  • Mini-team buildings and other local company events that run throughout the year.
  • Modern office with fresh atmosphere and good transport links
  • Free beverages

How to apply

Send us an application by email to and start the subject with “ML Engineer”. Make sure to include the following: Your CV and links to projects, articles and code that you are proud of. We’d also like to know about the things that inspire you, it could be books, articles, projects or screencasts from others. If you have any questions you’re more than welcome to contact me on 0883 683 960.