Senior Data Scientist Jobs in California

76 open Senior Data Scientist jobs in California at 55 companies, including Lyft, Roku and Palo Alto Networks. Updated daily from company career pages.

Lyft

Lyft designs, markets, and operates a mobile application that matches drivers with passengers who request rides.

Roku

Roku develops video streaming devices that provide users access to Internet-streamed video or audio services.

Palo Alto Networks

Moloco

Moloco offers programmatic advertising solutions to help optimize the client's acquisition, retention, and monetization campaigns.

Hewlett Packard Enterprise

Hewlett Packard Enterprise is an edge-to-cloud company that uses comprehensive solutions to accelerate business outcomes.

Capital One

Capital One is a diversified banking company that offers early and later stage venture, and debt financing investments.

Handshake

Handshake is a college career network that helps students and recent graduates find their next opportunity.

Chime

Providing financial peace of mind for millions of people

Upgrade

Upgrade is a fintech company that offers credit and mobile banking to mainstream consumers.

Opus Clip

Opus Clip is a software company that provides generative AI video editing tools.

Mercury

Mercury offers FDIC-insured accounts, virtual & physical debit cards, currency exchange, domestic, and international wires.

Block, Inc.

Block, Inc. (NYSE: SQ) (formerly Square, Inc.) is a technology company with a focus on financial services.

Kikoff

Kikoff is a personal finance platform that offers credit-building solutions.

Centric Software

Centric Software provides PLM solutions that help businesses in line planning, calendar materials management, and product specifications.

Fractal Analytics

Fractal Analytics is an AI company that provides solutions for marketing, distribution, actuarial, underwriting, claims, and operations.

Gridware

Creating a future where suburban wildfires are a thing of the past.

Gauss Labs

Gauss Labs aims to revolutionize manufacturing by building industrial AI systems beyond human capabilities.

Roblox

Roblox is an online gaming and entertainment platform that offers a shared digital experience that brings people together through play.

1 more open roles at Roblox

Amazon

Amazon is an e-commerce website for consumers, sellers, and content creators.

Snap

Snap operates as a privately-owned global camera company focusing on multinational technology and social media.

Updated 2026-10-10.