Mid/Senior Data Scientist

Sep 12, 2023

Kraków, Lesser Poland Voivodeship, Poland

Codete is not just a software company, it’s a place where tech-enthusiasts can grow by doing what they love and feel valued for what they are. We’re experienced, agile and versatile: we work with a wide range of technologies in projects from many different industries, and the majority of our team are senior-level specialists.

Our business partner believe that everybody should have the freedom to live and work anywhere. This is why they make finding a furnished rental delightful and convenient. With them you can choose your furnished apartment, say how many months you're staying and book it with the click of a button. This offers you the freedom to do an expat assignment, a freelance project or start a job in a new city whenever you want to.

Location: Kraków, Lublin, Remote (Poland or any country in EU)

Tech stack: Python, Jupyter, Random Forest, LightGBM

Salary: B2B: PLN 150-170 / h

This is a short-term project for a period of 6 months


● Develop predictive models and machine learning algorithms to help optimize

our recommendation engine and ranking algorithms

● Use advanced statistical methods to identify opportunities

across various functions to drive increased use of the platform

● Communicate complex findings to multi-disciplinary teams

● Collaborate with cross-functional teams, including Product, Business

Development, Marketing

● Develop validation frameworks for new, experimental features and business



● At least 3 years experience within a similar position, where you developed

models in production

● Experience with Ranking algorithms and/or Recommender Systems

● Experience with ensemble learning algorithms (Random Forest, LightGBM)

● Experience with Google Cloud (BigQuery) or other public cloud providers

● You are a first-principles thinker understanding the assumptions and tradeoffs

that come with each solution

● Ability to ask business relevant questions and find the answers to them in

datasets with Jupyter notebooks

● Proficient in Python and basic software engineering practices (version control,

testing, code review


Values & Atmosphere

• flexible attitude (including working hours) • international business trips • social events & awaydays • support for your ideas

Personal development

• external conferences • technical & soft skills training • switching between projects/technology • English classes • internal library

Health & Relax

• Employee Wellbeing Platform • private health care • multisport card • sports events • chill-out room • fresh fruits & juicer

Knowledge & Culture

• open source initiatives • Codete Mentorship Program • R&D department

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