Machine Learning Lead

Frever Stockholm



Frever is an app that lets you create a vibrant virtual universe using nothing more than your mobile phone. We are passionate about giving everyone the freedom to express themselves and become storytellers. The company was founded in 2018 in Stockholm, Sweden. Our investors come from the gaming, tech and entertainment industries.

The Role

As Machine Learning Lead you will oversee the Frever machine learning operations to create a personalized video feed harvesting the extensive depth of available content metadata and end-user interactions. You will be part of building the team that designs, implements and improves the core recommendation algorithm that powers the Frever feed. This includes strategically structuring the machine learning systems and supporting features of Frever, plus providing a data-backed system for asset recommendations. Frever’s fast growing virtual universe consists of assets like environments, animations and wardrobe items that will scale with entertainment partners and brands. You will work with product, art, data and community teams to optimize the video feed user experience and the in-app asset recommendations. Frever’s core is based in Stockholm, Sweden but the company has an international growing team. You will spearhead this journey from building a state-of-the-art machine learning system and team with a highly viral app to a full-fledged organization and a fast-growing entertainment platform.

What you’ll do

  • Work closely with your product and data analytics counterparts, actively contributing to shape and form the product strategy and taking accountability to deliver on the Frever success – realizing a tailored high quality user experience
  • Use experimentation, data and insights to make the appropriate priorities and decisions
  • Propose and implement novel, state-of-the-art modeling ideas that work at scale. Build an industry-leading recommendation system with a unique set of content metadata
  • Design, plan and implement machine learning training and inference pipelines 
  • Perform cluster analysis of underlying assets building up the video content and relational data between social interactions amongst creators and users 
  • Understand user behavior with A/B tests and apply machine learning algorithms to optimize the product experience 
  • Build and support a team of engineers and scientists

Who you are

  • Experienced in supporting engineering teams in one or more of the following areas: machine learning, recommendation/personalization systems, data mining or other related areas
  • You have been part of building a machine learning system and operations from scratch
  • Great knowledge of Python development and best practices. Including experience with Python libraries such as Scikit-learn, Pytorch, Tensorflow, and LightFM. Be able to set up Unix, Docker, and Kubernetes environments. Bonus if you have experience in building ML-pipelines in Kubeflow or similar frameworks
  • Passionate about technology and solving challenging complex problems
  • You are able to translate and communicate complex Machine Learning concepts to your non-ML experienced counterparts
  • Master’s degree in computer science or a related technical area
  • It’s a bonus if you have been part of a start-up/scale-up environment

What Frever Offer

  • The opportunity to be part of building a global product from its very foundations and have a true impact on its design and the final result
  • The opportunity to quickly assume responsibility and get a steep learning curve as we are a small, nimble, and ambitious team that needs to face new challenges constantly 
  • Frever’s brand new office is located in the heart of Södermalm, Stockholm.

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