Machine Learning Engineer: Build Production ML & Impact

Zendesk, Inc.; Kraków; Hybrid; PLN 429,000 - 639,000; Full time

Job summary

Zendesk, Inc. is seeking a Machine Learning Engineer in Kraków to design, deploy, and improve ML systems that power our enterprise intelligence layer. You will own end-to-end projects, from problem framing to production monitoring and iteration.

You will work with data and AI engineers to build scalable pipelines, apply NLP techniques, and deliver measurable business impact while maintaining clean, production-ready Python code.

Qualifications

• 3–5 years of professional experience in Machine Learning Engineering, Applied ML, Data Science, or a closely related field.
• Bachelor's degree in Computer Science, Mathematics, Statistics, Engineering, or another quantitative discipline.
• Master's or PhD is a plus, but not required.

Responsibilities

• Design, build, and deploy machine learning models that predict key business outcomes such as churn, expansion, conversion, and customer engagement.
• Develop and maintain scalable ML pipelines that continuously ingest data, retrain models, validate performance, and serve predictions in production.
• Work with large-scale structured and unstructured data, applying modern ML and NLP techniques where they deliver measurable business value.
• Monitor production models, improve performance over time, and ensure reliability through testing, validation, and continuous iteration.
• Collaborate with Data Engineers, Product Managers, and business stakeholders to deliver ML solutions that solve real customer and business problems.
• Own machine learning solutions end-to-end—from problem definition and experimentation to production deployment, monitoring, and ongoing optimization.

Skills

Python programming

SQL

Production-ready software

Experiment design

ML methods

NLP embeddings

Education

Bachelor's degree in CS/Math/Statistics/Engineering

Master's or PhD (plus)

Tools

Airflow

dbt

Snowflake

Cloud data warehouses

Claude Code

Cursor

GitHub Copilot

Job description

Zendesk, Inc. is seeking a Machine Learning Engineer in Kraków to design, deploy, and improve ML systems that power our enterprise intelligence layer. You will own end-to-end projects, from problem framing to production monitoring and iteration.

You will work with data and AI engineers to build scalable pipelines, apply NLP techniques, and deliver measurable business impact while maintaining clean, production-ready Python code.