Top Tech Jobs & Startup Jobs in Denver & Boulder, CO

As a Senior Marketing Data Scientist, you will conduct quantitative analyses, manage marketing tests, and provide actionable insights to enhance marketing performance and investment effectiveness.

The Staff Data Scientist will own the analytical strategy for Firefox, driving data-informed decisions through measurement frameworks, experiments, and user growth analysis, while mentoring other data scientists.

The Staff Data Scientist will lead analytical strategies for Firefox, focusing on product growth, measurement frameworks, and mentoring data scientists while guiding data-driven decisions.

Work on Firefox accessibility by improving the Gecko accessibility engine: write and test C++ code, debug multi-process/multi-threaded and OS-specific issues, collaborate with designers and other browser teams, influence web accessibility standards, and build infrastructure to expose the web platform to assistive technologies.

Lead development and improvement of Firefox's Gecko accessibility engine: write and test C++ code, debug multi-process/multi-threaded and OS-specific issues, collaborate with design and product teams, influence web accessibility standards, build infrastructure exposing the web platform to assistive technologies, and ensure memory and performance targets are met.

Design, fine-tune, evaluate, and deploy LLM-driven, user-facing browser features using RAG, embeddings, prompt engineering, and modern ML tooling. Lead end-to-end model lifecycle, run production experiments, collaborate with product and engineering, and document and review work with an emphasis on privacy, latency, and usability.

As a Senior Data Engineer, you will manage data pipelines, ensure data quality, partner with teams for data-driven decisions, and improve the data platform while maintaining data integrity.

The Senior Data Engineer will create and manage data pipelines, ensuring data quality, collaborating with teams for data-driven decisions, and evolving the data platform.