Middle Data Scientist (AI)

TL;DR

Middle Data Scientist (AI): Developing and maintaining supervised machine learning models to support ad targeting, measurement, and campaign optimization with an accent on data analysis, validation, and feature engineering on large datasets. Focus on translating business needs into data science solutions and monitoring model performance.

Location: Remote, with occasional in-person meetings in the Kyiv or Lviv office.

Company

hirify.global is a trailblazer in the world of data-driven advertising, known for its innovative approach to optimizing ad placements and campaign effectiveness through analytics and machine learning.

What you will do

• Develop and maintain supervised machine learning models to support ad targeting, measurement, and campaign optimization.
• Perform data analysis, data validation, and feature engineering on large and complex datasets.
• Collaborate with product, engineering, and analytics teams to translate business needs into data science solutions.
• Evaluate model performance using appropriate metrics and iterate on model improvements.
• Assist with deploying models to production in collaboration with engineering teams.
• Monitor model performance and help troubleshoot issues in production.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Statistics, Mathematics, Engineering, or a related field.
• 2–4 years of experience in data science, machine learning, or a related analytical role.
• Hands-on experience applying machine learning to real business problems.
• Proficiency in Python and solid experience with SQL and relational databases.
• Experience with machine learning libraries such as scikit-learn.
• Comfortable communicating with U.S.-based teams.

Nice to have

• Experience with TensorFlow or PyTorch.
• Basic understanding of working with production systems or machine learning pipelines.

Culture & Benefits

• The team primarily works remotely.