Senior ML Engineer

We're looking for a Senior Machine Learning Engineer to join an ambitious project revolutionizing digital advertising. This role offers the chance to work on an advanced ad-tech platform that integrates smart devices across TV, mobile, and desktop to deliver highly targeted, data-driven campaigns.

What You'll Do

• Design, build, and optimize scalable ML models and pipelines for real-time ad targeting and personalization.
• Work with large-scale datasets to enhance audience segmentation and engagement.
• Validate models to ensure accuracy, fairness, and performance on unseen data.
• Research and implement cutting-edge ML technologies to elevate platform capabilities.
• Automate deployment pipelines using CI/CD to maintain efficiency and reliability.
• Collaborate with global teams on projects involving bidding strategies, recommendations, and churn prediction.

Your profile:

• 6+ years of experience in ML engineering or related fields.
• Strong programming skills in Python, Go, or similar languages.
• Expertise in ML frameworks (TensorFlow, PyTorch, Spark ML) and cloud platforms (AWS, SageMaker).
• Familiarity with big data tools (Spark, Kafka, Flink) and CI/CD systems (Airflow, GitHub Actions).
• Solid understanding of data structures, algorithms, and SQL performance tuning.
• Experience with unit testing frameworks and best engineering practices.

What We Offer

• A collaborative environment with access to top industry professionals.
• Hands-on experience with the latest ML tools and cloud technologies.
• Training and mentorship to strengthen algorithmic and engineering skills.
• Budget for conferences and industry events.
• Competitive salary, private healthcare, life insurance, Multisport, and other perks.
• Hybrid work model (3 days in the office – Kraków).