Senior Manager in San Francisco

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. The Growth Products team drives rider and driver acquisition to scale the business and balance the marketplace. We specialize in incentive and messaging targeting, budget optimization, and paid media measurement, and move rapidly to test new ideas and products. As a Data Scientist expert in causal inference and marketing mix models (MMM), you will lead our efforts to measure and optimize investments across marketing channels. Responsibilities: Deliver results across the entire lifecycle of data science solutions for Growth: from defining the problem with cross-functional stakeholders to deploying production models that address key business problems. Own complex domains and develop long-term roadmaps to maximize business impact. Build statistical pipelines, write production code, and design/analyze experiments. Participate in the science on-call rotation to ensure automated campaigns operate successfully. Experience: Advanced degree in statistics, economics, mathematics, or equivalent industry experience. 4+ years of industry experience in causal inference or data science. Proven ability to apply statistics to unstructured problems and deliver measurable results. Deep technical expertise in causal inference and tackling challenging measurement problems. Expertise in marketing mix modeling is highly preferred. Expertise in SQL and experience with large-scale data platforms. Proficiency in Python and working within production coding environments. Benefits: Great medical, dental, and vision insurance options with additional programs available when enrolled Mental health benefits Family building benefits Child care and pet benefits 401(k) plan with company match to help save for your future In addition to 12 observed holidays, salaried team members have discretionary paid time off, hourly team membe

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. The People Technology stack has never been more capable, the differentiator now is the expertise to unlock it. . As a Senior Workday Engineer at Lyft, you'll be the technical cornerstone of our People Technology team, owning the design, development, and delivery of the integrations, custom applications, and AI solutions that the entire People function depends on. This role uniquely combines deep, demonstrable mastery across the full Workday technology stack with an AI-native engineering approach, enabling you to build solutions that don't just automate what exists today but fundamentally raise the bar for how People Technology delivers value. We're seeking a hands-on engineer who commands the full depth of the Workday ecosystem, from Studio and Core Connectors to Extend and Prism Analytics, and brings the technical judgment to architect solutions that scale with the business. You'll be the trusted technical owner of our People Technology platforms, partnering closely with HR, Payroll, Finance, and Benefits stakeholders to translate complex requirements into scalable, maintainable solutions that truly move the needle. With AI reshaping how People Technology teams operate, your expertise will be critical in actively identifying, building, and shipping AI-powered solutions that eliminate manual work, accelerate delivery, and push our teams from tactical execution to strategic impact. In this role, you'll integrate LLMs into HR workflows, build and maintain MCP servers that expose People systems data securely to AI agents, mentor junior engineers, and set the engineering standard for a team that is redefining what enterprise People Technology looks like. If you are a candidate who has the vision of what could be, who has the ability to cultivate relationships, and has a belief in driving impact, then you

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. With a billion rides per year and counting, Lyft is solving hard problems in a rapidly growing domain with a lot of data and creative solutions in Rider, Marketplace, Growth, and beyond. While traditional approaches to optimization and problem decomposition are sufficient to disrupt transportation, building a next-generation platform for low-cost, ultra-immersive transportation to improve people's lives warrants modern ML utilizing peta-byte scale data. Our highly motivated Machine Learning Engineers work on these challenging problems and define solutions to directly impact various aspects of our core business. If you are a critical thinker with experience in machine learning workflows and LLMs, passionate about solving business problems using data and working in a dynamic, creative, and collaborative environment, we are searching for you. We are seeking a Senior Machine Learning Engineer to join the Rider Applied AI team and lead the design, development, and deployment of state-of-the-art machine learning and artificial intelligence systems. This role requires a strategic thinker who can balance high-level system architecture with hands-on technical implementation. You will collaborate across teams to shape the future of ride-sharing by leveraging AI, Machine learning and Data science. Responsibilities: Model Development & Research: Design, build, and deploy machine learning models for real-time applications, including translating state-of-the-art research into production-ready solutions. System Design: Architect scalable, reliable ML pipelines that integrate seamlessly with existing backend systems. Innovation & Applied Research: Stay ahead of the curve by exploring emerging algorithms, technologies (such as LLMs and LLM-based applications), and frameworks — critically eva

About Us Twitch is the world’s biggest live streaming service, with global communities built around gaming, entertainment, music, sports, cooking, and more. It is where thousands of communities come together for whatever, every day. We’re about community, inside and out. You’ll find coworkers who are eager to team up, collaborate, and smash (or elegantly solve) problems together. We’re on a quest to empower live communities, so if this sounds good to you, see what we’re up to on LinkedIn and X , and discover the projects we’re solving on our Blog . Be sure to explore our Interviewing Guide to learn how to ace our interview process. About the Team At Twitch, Content Accounting is responsible for managing the end to end financial and reporting obligations of negotiated agreements with content providers, influencers, production companies, and music rights holders. Our goal is to close our books in accordance with U.S. GAAP & internal accounting policy and meet our contractually obligated payout and reporting requirements. We support a diverse set of business stakeholders including content acquisition, music licensing, influencer marketing, and event production. We work closely with our legal, FP&A, tax and enterprise technology counterparts to accelerate Twitch’s strategy. About the Role We are seeking a Senior Accountant eager to help us re-imagine how Content Accounting operates with the growing capabilities of AI. Your core work will have you involved at every step of the process from contract ideation through to final payout—providing support for negotiation, drafting technical accounting memos, preparing cost and payout calculations, executing month-end close activities, facilitating payment runs, and delivering reporting. A successful candidate uses GenAI tools both reflexively and responsibly to enhance the group's daily productivity. You are passionate about accounting, thrive in the details, have an understanding of

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join Social media is an emerging discipline for Airbnb. We're seeking a Senior Social Measurement Lead to build an effective social media measurement strategy for Airbnb's global marketing and comms teams. The job will cover all content published on our owned channels, the social elements of our marketing and comms campaign work, and our influencer and creator programs. The right candidate will know how to identify, structure, and activate the right data — turning raw performance information into something usable, and ultimately into decisions that move the business forward. You will partner closely with social strategy, social creative, Comms, Data Science, and regional marketers to help Airbnb understand the impact of social media on business outcomes, and guide the team at both a day-to-day and at a strategic level on how to grow our channels and improve performance. The Difference You Will Make You will define how Airbnb measures social media — from the frameworks and tools we use to the stories we tell about performance. This is a greenfield opportunity to build a best-in-class measurement practice for one of the world's most recognized brands. You will go beyond dashboards. Your work will shape how Airbnb understands the impact of social on business outcomes, how teams make day-to-day creative and strategic decisions, and how leadership evaluates the effectiveness of our global social investment. You will bring rigor, innovation, and a bias for action — leveraging AI, experimentation, and deep platform expertise to keep Airbnb ahead of the curve. A Typical Day Define and own Airbnb'

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. About the team The Strategic Pursuits team is a new group within Stripe’s Enterprise Platform Sales organization, built to win Stripe’s most complex and high-impact opportunities. This team focuses on multi-year, transformative sales cycles with the world’s largest software platforms and enterprises—companies that have the potential to fundamentally shift Stripe’s presence in new industries and markets. Strategic Pursuits is responsible for identifying, shaping, and closing Stripe’s most significant platform partnerships. These are long, intricate engagements requiring deep collaboration across executive, product, and engineering teams and the ability to influence strategic priorities on both sides of the table. The team’s work often extends well beyond payments, helping partners co-develop entirely new business models and revenue streams powered by Stripe’s financial infrastructure stack, including Connect, Billing, Payments, and Banking as a Service. What you’ll do As an Account Executive, Strategic Pursuits , you will lead the end-to-end pursuit of Stripe’s largest and most complex platform opportunities. You’ll act as both strategist and dealleader—identifying transformative prospects, crafting multi-year engagement plans, and orchestrating resources across Stripe to bring highly tailored solutions to market. This is a senior, cross-functional sales role that combines strategic vision