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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 Middle/Senior Data Scientist, AdTech

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

Location

Poland

Posted

104 days ago

Salary

0

Seniority

Senior

Bachelor Degree4 yrs expEnglishAWSPySparkPythonSQL

Job Description

Strong Middle/Senior Data Scientist, AdTech

Sigma Software Group

• Design, develop, and deploy machine learning models to solve complex business problems in the AdTech domain • Analyze large datasets to generate actionable insights and improve product performance • Build and maintain scalable data pipelines using big data tools and frameworks • 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

  • At least 4 years of experience applying machine learning, statistical modeling, and data mining techniques to real-world business problems
  • Strong programming skills in Python and/or R
  • Solid understanding of machine learning algorithms, their applications, and statistical principles
  • Experience building and productionizing data pipelines and ML models in cloud environments, preferably AWS
  • Hands-on experience working with large-scale data using PySpark or RSpark
  • Proficient in SQL and experienced with Excel for data analysis and reporting
  • Ability to measure the business impact of ML models using proper evaluation frameworks
  • Familiarity with version control systems and agile development practices
  • At least Upper-Intermediate level of English

Benefits

  • Flexible work arrangements
  • Professional development

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