Senior Data Scientist

Develops and applies statistical and machine learning models to solve business problems. Analyzes large datasets to derive insights and support decision-making. Collaborates with cross-functional teams to implement data-driven solutions.

This data scientist role supports key data science initiatives, collaborating with senior data scientists to develop and optimize solutions that drive business value. Responsibilities include developing and implementing data science algorithms, designing and executing A/B tests, and using Python and Jupyter notebooks to preprocess and analyze large datasets. Requires 3-10 years of experience, strong Python skills, and familiarity with GCP services like BigQuery, Google Cloud Functions, and Vertex AI.

This role creates data models to analyze petabytes of data from various sources and develops new features for Similarweb's product solutions. The data scientist turns raw data into usable metrics, develops statistical algorithms for custom customer requests, and deploys machine-learning models into production. Requires an M.Sc in a quantitative field, 3+ years of statistical/ML experience with Python/R, and experience with Big Data tools like PySpark and AWS.

This senior data engineering role builds and maintains data pipelines and infrastructure for GroupM's analytics platforms. The engineer will design ETL processes, optimize data storage, and ensure data quality and accessibility for downstream analytics and reporting.

This Senior Frontend Engineer role focuses on building and scaling the Editor platform, a creative production tool for designing, animating, and scaling ad assets. You will own end-to-end vertical slices, lead technical design decisions, and mentor team members, leveraging deep expertise in React and TypeScript with high-performance canvas interactions. The role requires 6+ years of experience and a hybrid presence in Helsinki.

This Senior Product Manager role owns the next generation of Smartly's Triggers, a core optimization feature managing over $1B in annual ad spend. The PM will lead discovery, define the roadmap, and launch a closed alpha with select customers, working closely with engineering and channel teams. Requires 5+ years of B2B SaaS product management experience, ideally in digital advertising, with strong data analysis and cross-functional leadership skills.

This Senior Software Engineer role is part of Team Autopsy, which builds automation and optimization capabilities for Smartly's advertising platform, including services like Triggers, Ad Rotation, Smartly Actions, and Action Router. The engineer will design and maintain backend services and frontend applications using TypeScript, Node.js, Python, and React, with a focus on distributed systems and cloud-native practices. Requires strong experience in backend development, automated testing, and the ability to drive projects independently.