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Senior Data Scientist
  • Warsaw
Senior Data Scientist
Warszawa, Warsaw, Masovian Voivodeship, Polska
WINGED IT SP Z O O
1. 11. 2025
Informacje o stanowisku

technologies-expected :


  • Python
  • Docker
  • SQL

technologies-optional :


  • Transformers

about-project :


  • Do you want to play a key role in revolutionizing the future of finance? Join Klarna - a global leader in deferred payments, with over 85 million active users and 2.5 million transactions processed daily! As a pioneer in modern payment solutions, Klarna is developing innovative methods that streamline the shopping experience, enhance transaction security, and expand the availability of purchasing options.
  • Were seeking individuals eager to achieve remarkable results and share their bold vision to redefine the future of payments and fintech. Send us your CV - we can’t wait to meet you!
  • Our client: Klarna
  • Location: Warsaw (hybrid work: 2-3 days in the office)
  • Rate: 170 - 195 PLN per hour
  • Start date: ASAP
  • Duration: long-term agreement

responsibilities :


  • End-to-End Model Ownership: Design, develop, and ship production-grade machine learning models. You will have the autonomy to own your solutions, considering everything from memory footprint to latency;
  • Research and Innovation: Dive deep into statistical analysis, probability, and machine learning/deep learning models. Youll be expected to critically evaluate existing solutions and, when necessary, develop novel approaches. A foundational understanding of NLP architectures like Transformers is a plus;
  • Engineering: Build and maintain containerized models and develop comprehensive model monitoring solutions to track metrics like variable drift;
  • Streamlined Deployment: Create and manage CI/CD pipelines for our machine learning models and contribute to the design and development of APIs;
  • Data Expertise: Utilize your SQL proficiency to perform in-depth data analysis and feature engineering.

requirements-expected :


  • Proficient Software Engineering Skills: A strong track record of designing, developing, and deploying ML models in a production environment. Experience with deploying models on Scoring Platform is highly desirable;
  • High proficiency in Python;
  • Strong Quantitative Foundation: A deep understanding of statistical analysis, probability, and a wide range of machine learning and deep learning models;
  • MLOps Experience: Hands-on experience with containerization (Docker), CI/CD pipelines, and model monitoring;
  • API & Containers: Experience in API schema design and development and in building containerized applications (e.g., using Docker);
  • Excellent communication and stakeholder management skills;
  • Strong educational background in Computer Science, Information Technology, or a related field;
  • Language proficiency: Advanced English (minimum B2 level).

offered :


  • Great opportunity for personal development in a stable and friendly large multinational company.
  • Start-up mentality, small agile teams.
  • Global Reach: Impact millions with seamless shopping and payments.
  • Career growth and additional education.

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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