Machine Learning Engineer

Let's be unstoppable together
At Circana, we are fueled by our passion for continuous learning and growth, we seek and share feedback freely, and we celebrate victories both big and small in an environment that is flexible and accommodating to our work and personal lives. We have a global commitment to diversity, equity, and inclusion as we believe in the undeniable strength that diversity brings to our business, employees, clients, and communities. With us, you can always bring your full self to work. Join our inclusive, committed team to be a challenger, own outcomes, and stay curious together. Circana is proud to be Certified by Great Place To Work. This prestigious award is based entirely on what current employees say about their experience working at Circana.

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What will you be doing?
As a Machine Learning Engineer at Circana, you will be part of a talented international team to build, enhance, deploy and monitor data science solutions. You will support data science aspects of the end-to-end media product development cycle by collaborating with machine learning engineers and data scientists. Your work will involve designing sophisticated algorithms, building robust data pipelines, and ensuring our models perform reliably at scale. You will also work with big databases of different sources and combine them into a model ready format.

Job Responsibilities

• Develop and optimize statistical and machine learning models for regression and classification.
• Build data preprocessing pipelines and feature engineering workflows.
• Conduct model evaluation and validation using appropriate metrics and techniques.
• Deploy models to production environments with guidance from senior team members.
• Monitor model performance and data quality in production systems.
• Troubleshoot and resolve issues with existing ML pipelines and services.
• Optimize pipeline performance and reliability.
• Contribute to webservices and APIs.
• Use structured approach to integrating complex components into a modular framework.
• Demonstrate strong interpersonal, communication and presentation skills.

Requirements

• A bachelor's degree in Computer Science, Mathematics, Statistics or related quantitative field.
• 5+ years of related professional experience.
• Strong Python programming skills with experience in ML libraries (statsmodels, scikit-learn, XGboost, Pytorch ect.).
• Experience in developing statistical and machine learning methodologies.
• Hands-on experience with API development and web services.
• Hands-on Experience with SQL databases and working with structured datasets (MySQL, PostgreSQL).
• Proficiency in code versioning tools like Git.
• Experience in explaining technical subjects to non-technical audiences.
• Familiarity with Deployment strategies, Docker and basic DevOps and Infrastructure.
• Familiarity with CI/CD.
• Familiarity with big data tools (Spark, Hadoop, Hive) and distributed computing concepts.
• Familiarity with MLOps practices and tools (MLflow, experiment tracking).
• Knowledge of any cloud platform (Azure, GCP, AWS) using VMs and Storage will be considered a plus.

Circana Behaviors
As well as the technical skills, experience and attributes that are required for the role, our shared behaviors sit at the core of our organization. Therefore, we always look for people who can continuously champion these behaviors throughout the business within their day-to-day role:

• Stay Curious: Being hungry to learn and grow, always asking the big questions.
• Seek Clarity: Embracing complexity to create clarity and inspire action.
• Own the Outcome: Being accountable for decisions and taking ownership of our choices.
• Center on the Client: Relentlessly adding value for our customers.
• Be a Challenger: Never complacent, always striving for continuous improvement.
• Champion Inclusivity: Fostering trust in relationships engaging with empathy, respect, and integrity.
• Commit to each other: Contributing to making Circana a great place to work for everyone.

Location
This position can be located in the following area(s): Athens, Greece

Prospective candidates may be asked to consent to background checks (in accordance with local legislation and our
candidate privacy notice
)
Your current employer will not be contacted without your permission.