Principal Architect Machine Learning


Looking for new opportunities in your career? Wherever you’re heading, let’s go there together.
You´ve probably already met us. 
Maybe you´ve stopped by for a coffee, fueled up your car or grabbed something to eat on the go. Then you know what Circle K is all about. Making everyday life easier for people all over the world. 
We´ve grown into a successful global company with over 15.000 stores in 24 countries, serving more than 6 million customers each day. In all, we have more than 120.000 people working at our stores and support offices.


In Circle K Business Centre, in Warszawa, which is part of our SSC structures, we provide IT services for Circle K in Europe, US and Canada. We have different functions here: Service Desk, Infrastructure, Network Operations, Development but what we have in common is the fact that no matter what we do, we understand the world we live in. We can see how fast it changes and how fascinating this can be. Curiosity and openness drives us towards new ideas, innovations, new technologies.


Principal Architect Machine Learning

To support our future growth ambitions, we are looking for an experienced Principal Architect AI/ML to lead our AI/ML initiatives as part of our Global Tech-Data and Analytics Engineering organization. For the right candidate, Circle K can offer a challenging and rewarding role working with a talented global team.The Principal Architect AI/ML will be responsible for leading a global team of world-class AI/ML developers and data developers to deliver solutions in support of the company’s data-driven strategy. This position reports to Senior Director Data & Analytics Technology.




  • Lead a team of talented ML software developers & data developers who like to ship code and tackle hard software engineering problems.
  • Partner with Data Science team or 3rd parties to architect end to end analytical solutions, lead ML developers & data developers in optimizing, industrializing, and automating Data Science team’s algorithms
  • Build cohesive, high-functioning team that thrive in a culture of trust, respect, and inclusion.
  • Coach the team, foster a culture of accountability, innovation and teamwork.
  • Manage capacity to ensure we can deliver on commitments, and prioritize projects and tasks, while maintaining existing products without building up technical debt.
  • Facilitate cross function collaboration.
  • Effectively communicate with all stakeholders across business disciplines.
  • Work with Enterprise architecture team to set the technology strategy going forward for your area of responsibility, closely aligned with the business strategy. Quality must be aligned with agility, speed, scale and efficiency.
  • Work in an international environment where we strive for consolidation and globalization, while still working distributed.



  • 7 - 10 years of experience in architecting, designing, building and operating analytical solutions
  • Candidate must have strong software engineering skills to lead data engineers & AI/ML engineers and collaborate with Data Scientists to architect an end-to-end analytical solution.
  • Hands on knowledge of: key machine learning concepts (supervised, unsupervised, reinforcement learning); programming languages (R, Python, SQL, bash scripting); ML frameworks (, Keras, Tensorflow, scikit-learn); development tools (RStudio, Jupyter, Spyder, PyCharm, Anaconda); data processing environments (relational databases like SQL Server, Snowflake, Apache Spark, streaming applications).
  • 3 years of people management in international, distributed environments (recruitment, performance management, talent development).
  • Ability to partner effectively with business stakeholders to identify and seize opportunities around data & analytics.
  • Familiarity with modern software development and architectural trends (cloud – preferably Azure, CI/CD, microservices).
  • Practical experience with Agile software development (SCRUM, Kanban, SAFe).
  • Ability to work with ambiguity as the organization moves through a significant change.
  • Proficiency in business English. 


What do we offer


  • Private medical care
  • Multisport card
  • Possibility to work remotely
  • Group insurance
  • English lessons subsidized by the company
  • Attractive discounts for products and services at our stations
  • Employee stock purchase plan
  • Friendly work atmosphere & Integration events
  • Trainings
  • Possibility to develop skills in a wide international environment

We know great companies are built from within, by great people like you. Come grow with us!
We´re looking forward to your application.