Data Engineer - Freelancer
MonterailLesser Poland Voivodeship, Poland
Posted October 9, 2025
280000 - 360000 PLN year
Contract / Temporary
About the Company
Monterail is a full-service software development company with 130+ experts on board delivering meaningful software for the fintech, proptech, wellness, and eCommerce sectors. For over 15 years now, we use Ruby on Rails and Flutter to build beautiful web and mobile applications. We have delivered 390+ successful projects for over 235 clients from different parts of the world. In 2016 & 2017 we were recognized by Deloitte as one of the fastest-growing tech companies in Central Europe as well as listed in the Financial Times 1000 rank two times in a row, in 2018 and 2019.
Job Description
We are seeking a freelance Data Engineer to scale and automate ML workflows. The role involves strong Python experience, MLflow for experiment tracking, and knowledge of Docker, Kubernetes, DVC, Terraform, and CI/CD pipelines. Contractor availability is preferred.
Requirements
- Strong experience with Python (mid/senior level)
- Hands-on knowledge of MLflow for experiment tracking and model registry
- Experience with Docker and Kubernetes for container orchestration
- Familiarity with DVC for data versioning
- Experience setting up CI/CD pipelines, preferably with GitHub Actions
- Working knowledge of Terraform for infrastructure as code
- Understanding of machine learning lifecycle and deployment practices
- English skill B2/C1