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Senior Data Engineer

Wroclaw, Krakow, Gdansk, Warsaw, Poznan, Poland

We are looking for a Senior Data Engineer to support ML model onboarding for fraud detection using OLAP, NRT, and generative AI tools. In this role, you will develop, train, and fine-tune models while addressing challenges such as new data labeling methods, regional differences, and enumeration attacks.

Essential functions

  • Support ML model onboarding using OLAP, NRT, and generative AI tools.

  • Develop, train, and fine-tune models for fraud detection based on business requirements.

  • Implement new approaches for data labeling, addressing regional differences and enumeration attacks.

  • Apply expertise in feature engineering and feature stores within distributed systems handling large TPS.

  • Leverage technologies such as Ray, Scikit-learn, PyTorch, XGBoost, and Transformer models to build and optimize solutions.

  • Write clean, efficient, and scalable code in Python, Java, or Scala.

  • Collaborate with cross-functional teams to ensure effective deployment and performance of ML models.

Qualifications

  • Proven experience as a Data Engineer or similar role

  • Strong hands-on coding skills in at least one object-oriented language: Python, Java, or Scala.

  • Deep understanding of Ray, Scikit-learn, and PyTorch, with strong knowledge of XGBoost and Transformer models.

  • Expertise in feature engineering and working with feature stores in distributed systems handling high TPS.

  • Strong problem-solving skills and ability to collaborate with cross-functional teams.

We offer

  • Opportunity to work on bleeding-edge projects
  • Work with a highly motivated and dedicated team
  • Competitive salary
  • Flexible schedule
  • Benefits package - medical insurance, sports
  • Corporate social events
  • Professional development opportunities
  • Well-equipped office

About us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.

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    Grid Dynamics is an equal opportunity employer. We are committed to creating an inclusive environment for all employees during their employment and for all candidates during the application process.

    All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on, age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category. All employment is decided on the basis of qualifications, merit, and business need.