Staff Data Scientist, Fastly

• Master's or PhD in Computer Science, Statistics, Mathematics, or a related quantitative field
• Significant professional experience in a related technical or e-commerce field, applying data science and AI techniques to solve diverse business problems - Most Staff level folks at Fastly have at least 7 years of related experience
• Demonstrated expertise building tools to support complex and highly impactful quantitative analysis of broad operational business questions
• Demonstrated experience as a technical leader - leading full lifecycle initiatives, driving long term roadmaps, collaborating with cross-functional stakeholders, influencing best practices, mentoring team members, etc
• Strong programming skills in Python and experience with data science and AI libraries (PyTorch, TensorFlow, scikit-learn, Hugging Face)
• Expertise in statistical analysis, machine learning algorithms, experimentation methodologies, large language models, and generative AI frameworks
• Experience working with modern data stacks, including Airflow, Fivetran, dbt, BigQuery, Vertex AI, and Looker
• Experience mentoring and leading others in data science skills and initiatives
• This position will require you to be available during core business hours and participate in an on-call rotation

Desirable

• Join our high impact Analytics team as a Staff Data Scientist, where you’ll shape the future of data-driven decision-making at Fastly
• In this role, you’ll deliver actionable deep insights to solve critical business challenges
• The role will initially entail foundational work to help mature the data ecosystem and tooling
• Over time, you’ll transition into more advanced data science work, such as predictive modeling and machine learning, to unlock even greater value
• You’ll be the first member of the team to invest heavily in AI and machine learning and help us build out the infrastructure and practice
• As a leader on the team, you’ll mentor colleagues, set best practices, and elevate how we use data to drive success
• This is your opportunity to make a meaningful impact while growing in a collaborative and innovative environment
• Lead end-to-end data science and AI projects from problem definition and data collection to model deployment and business implementation
• Design, develop, and optimize machine learning and generative AI models to solve complex business problems and drive measurable outcomes
• Integrate AI capabilities into existing products and workflows to enhance functionality and create new value opportunities
• Collaborate with engineering, product, and business teams to identify opportunities where data science and advanced AI can create significant impact
• Communicate insights and recommendations to technical and non-technical stakeholders through compelling visualizations and presentations
• Mentor junior team members and establish best practices for the team's AI approaches and methodologies

• Posting Open Date: Aug. 1, 2025
• Anticipated Posting Close Date*: Sept. 8, 2025
• Job posting may close early due to the volume of applicants
• We’re always looking for humble, sharp, and creative folks to join the Fastly team. If you think you might be a fit please apply! A fully completed application and resume or CV are required when applying