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Sigma Software Group logo
Sigma Software Group

We support enterprises, product houses, and startups with custom software solutions development and IT consulting.

Strong Senior Data Scientist – AdTech

Data ScientistData ScientistFull TimeRemoteSeniorTeam 1,001-5,000Since 2002H1B No SponsorCompany SiteLinkedIn

Location

Poland

Posted

85 days ago

Salary

0

Seniority

Senior

Bachelor Degree4 yrs expEnglishPythonApache SparkSQL

Job Description

Strong Senior Data Scientist – AdTech

Sigma Software Group

• Design, develop, and deploy machine learning models to solve complex business problems in AdTech • Analyze large datasets to generate actionable insights • Build and maintain scalable data pipelines using big data tools • Perform data preprocessing, cleaning, feature engineering, and model evaluation • Collaborate with cross-functional teams including engineers, analysts, and product managers • Ensure model accuracy, reliability, and scalability through rigorous testing and validation • Stay updated on emerging data science techniques, tools, and best practices • Contribute to team discussions, process improvements, and knowledge sharing

Job Requirements

  • 4+ years of experience in data science projects applying machine learning, statistical modeling, and data mining techniques
  • Hands-on experience working with Natural Language Processing (NLP) and Large Language Models (LLMs)
  • Strong understanding of statistics and ability to apply statistical methods
  • Proficiency in Python or R for data analysis and model development
  • Strong SQL skills and experience with big data technologies such as Hive and Spark
  • Experience building, evaluating, or optimizing ML/NLP models in production environments
  • At least Upper-Intermediate level of English

Benefits

  • Modern technologies
  • Collaboration with top-tier teams
  • Remote work from Ukraine, Europe, or LATAM

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