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Senior Data Scientist with Optimization (operations research) @ Lingaro
  • Warsaw
Senior Data Scientist with Optimization (operations research) @ Lingaro
Warszawa, Warsaw, Masovian Voivodeship, Polska
Lingaro
5. 2. 2026
Informacje o stanowisku


  • Stable employment. On the market since 2008, 1500+ talents currently on board in 7 global sites.
  • “Office as an option” model. You can choose to work remotely or in the office.  
  • Workation. Enjoy working from inspiring locations in line with our workation policy. 
  • Great Place to Work® certified employer.
  • Flexibility regarding working hours and your preferred form of contract.  
  • Comprehensive online onboarding program with a “Buddy” from day 1.   
  • Cooperation with top-tier engineers and experts.  
  • Unlimited access to the Udemy learning platform from day 1.
  • Certificate training programs. Lingarians earn 500+ technology certificates yearly. 
  • Upskilling support. Capability development programs, Competency Centers, knowledge sharing sessions, community webinars, 110+ training opportunities yearly.
  • Grow as we grow as a company. 76% of our managers are internal promotions.  
  • A diverse, inclusive, and values-driven community.   
  • Autonomy to choose the way you work. We trust your ideas.  
  • Create our community together. Refer your friends to receive bonuses.  
  • Activities to support your well-being and health.
  • Plenty of opportunities to donate to charities and support the environment.  
  • Modern office equipment. Purchased for you or available to borrow, depending on your location.

  • Minimum 5+ years of relevant professional experience.
  • Commercial experience proven by successful projects in the area of data science.
  • Experience in optimization methodologies, including use of various optimization libraries (e.g. CPLEX, Gurobi, ortools, etc.) and eagerness to extend the knowledge.
  • Strong Python coding skills, including using ML libraries and basic working knowledge of SQL.
  • Experience in feature engineering techniques and/or usage of external data sources helpful in forecasting problems
  • Experience working in cloud technologies (MS Azure especially, GCP/AWS nice-to-have).
  • Familiarity with theory behind various machine learning concepts.
  • Experience in CRISP-DM projects delivery and with Agile project (like Scrum, Kanban).
  • Experience in working with client-facing role, specially external clients.
  • Great communication skills.
  • Advanced English skills.

What Will Set You Apart:

  • Other programming languages knowledge like: R, SQL, for Python including Object oriented programming concepts.
  • Practical knowledge of using genAI.
  • Understanding and experience in applying Data Science/Machine Learning methods to Supply Chain (Manufacturing, Transportation, Warehousing, Inventory or Sustainability).
  • Experience with business requirements gathering, transforming them into technical plan, data processing, feature engineering, models evaluation, hypothesis testing and model deployment.
  • Good understanding of Microsoft Azure technologies or Google Cloud technologies.
  • Strong statistical/mathematical background – understanding of the math behind ML methods.
  • Good understanding and experience in operationalization of models using VMs.
  • Experience in working in matrix organization.
  • Knowledge about relational databases.


  • Stable employment. On the market since 2008, 1500+ talents currently on board in 7 global sites.
  • “Office as an option” model. You can choose to work remotely or in the office.  
  • Workation. Enjoy working from inspiring locations in line with our workation policy. 
  • Great Place to Work® certified employer.
  • Flexibility regarding working hours and your preferred form of contract.  
  • Comprehensive online onboarding program with a “Buddy” from day 1.   
  • Cooperation with top-tier engineers and experts.  
  • Unlimited access to the Udemy learning platform from day 1.
  • Certificate training programs. Lingarians earn 500+ technology certificates yearly. 
  • Upskilling support. Capability development programs, Competency Centers, knowledge sharing sessions, community webinars, 110+ training opportunities yearly.
  • Grow as we grow as a company. 76% of our managers are internal promotions.  
  • A diverse, inclusive, and values-driven community.   
  • Autonomy to choose the way you work. We trust your ideas.  
  • Create our community together. Refer your friends to receive bonuses.  
  • Activities to support your well-being and health.
  • Plenty of opportunities to donate to charities and support the environment.  
  • Modern office equipment. Purchased for you or available to borrow, depending on your location.
,[Business understanding, Data understanding/preparation, Modeling, Evaluation and Deployment of solutions – following CRISP-DM methodologies., Understanding optimization methodologies including linear/integer/nonlinear programming and heuristics for finding the best solution to the business problem., Act as ambassador of Lingaro at external Client’s projects. , Be able to deliver technical tasks based on business requirements, from data processing, feature engineering, hypothesis testing and presentation of findings. , Proactive approach for identified areas of improvement. , Following competency/company delivery standards. , Know-how and experience from projects in Supply Chain area, or optimization projects is a plus. Requirements: Data Science

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