Ca Article Assistant Jobs

About the Team Our Robotics team is focused on unlocking general-purpose robotics and pushing towards AGI-level intelligence in dynamic, real-world settings. Working across the entire model stack, we integrate cutting-edge hardware and software to explore a broad range of robotic form factors. We strive to seamlessly blend high-level AI capabilities with the constraints of physical systems to improve people's lives. About the Role We are seeking a lead thermal simulation engineer to help accelerate the design and development of next-generation robotic systems through modeling, simulation, and analysis. You will work closely with mechanical, electrical, controls, and robotics engineers to evaluate designs before hardware is built, identify risks early, and guide critical architecture decisions. This role spans structural and thermal analysis and design across robotic subsystems including actuators, mechanisms, structures, electronics, and integrated systems. You will develop simulation workflows that improve engineering velocity, increase confidence in design decisions, and help us build more capable, reliable, and manufacturable robotic platforms. This role is based in San Francisco, CA. This role will be expected to be in office 4 days per week and offer relocation assistance to new employees. In this role, you will: Perform thermal simulations to assess heat generation, cooling strategies, thermal interfaces, and system-level thermal performance Partner with mechanical, electrical, and controls engineers to influence design decisions early in development Build simulation models to evaluate robotic actuators, transmissions, mechanisms, structures, soft goods, and integrated assemblies Correlate simulation results with physical testing and develop methodologies to improve model accuracy Support architecture trade studies by evaluating design concepts before hardware is built Develop simulation workflows, standards, and best practices that scale across the robotics o

About the Team DoorDash Labs is an independent team within DoorDash. We explore robotics and automation to transform last-mile logistics in the long term. If you have a passion for applying autonomous aviation technologies in a service used by millions of people, then we want to talk to you! About the Role In this role as a UAS Ground Support Operator, you’ll be part of a hands-on field testing team supporting flight validation of new drone platforms. You’ll work closely with flight test operators to keep aircraft ready to fly, minimize turn around time and operate the accompanying ground systems safely and efficiently. You will be reporting to the Flight Test Lead. Support daily test readiness by managing batteries, preparing equipment, and spearheading on-site logistics. Operate in field environments with extended periods of standing, repetitive drone handling, and outdoor exposure to varying weather (heat, dust, cold, wind, etc.). Stay flexible and responsive to shifting schedules, including early mornings, late afternoons, and variable hours based on test conditions. Open to about 20% travel. Collaborate with cross-functional teams to surface observations, flag anomalies, and support iterative improvement cycles during testing. Please note: This is an onsite role based in Bay Point, CA. Only candidates who are local or within commuting distance will be considered. A Part 107 is required for this position. No UAV experience is required, but the part 107 licence is required. You’re excited about this opportunity because you will… Support flight testing , data collection, and troubleshooting for new drone systems. Work closely with the operations teams to provide feedback and improve operational performance . Gain hands-on experience in emerging technology, working with a team in a fast-paced, iterative environment. Contribute to building the future of drone delivery through curiosity , adaptability , and a proactive mindset. We’re excited about y

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations: San Francisco, CA; Austin, TX; New York, NY; Washington, D.C. About the Role The Interconnection Manager for the Americas is the network strategy leader for one of Cloudflare's most important and most contrasted regions — a mature, high-volume United States market alongside a fast-growing, infrastructure-constrained South America. You will own the strategy that scales our connectivity with the largest ISPs and eyeball networks

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 Role Join the Monetization team at Twitch, where we build the products that help creators make a living on the platform. You'll work on products like Subscriptions, Bits, and Gifting, and the pricing and packaging decisions behind them. You'll partner closely with product, engineering, finance, and data teams to measure the impact of new features, design and analyze experiments, and apply causal inference methods to inform decisions where A/B testing isn't possible. The work ranges from high-velocity experimentation on consumer-facing products to deeper pricing, policy, and segmentation analyses where causal identification is the central challenge. This role is well-suited for someone with a strong economics or causal ML foundation who wants to apply rigorous statistical thinking to real product decisions at scale. You'll need to be comfortable writing SQL, working with imperfect data, and partnering with stakeholders to turn analysis into product impact. Our team is based at Twitch HQ in San Francisco, CA. You can work in San Francisco, CA; New York, NY; or Seattle, WA You Will: Apply causal inference methods where experimentation isn't feasible Develop models and analyses that inform pricing, segmentation, and revenue optimization Design, run, and analyze A/B experiments Pa

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 Role Join the Monetization team at Twitch, where we build the products that help creators make a living on the platform. You'll work on products like Subscriptions, Bits, and Gifting, and the pricing and packaging decisions behind them. You'll partner closely with product, engineering, finance, and data teams to measure the impact of new features, design and analyze experiments, and apply causal inference methods to inform decisions where A/B testing isn't possible. The work ranges from high-velocity experimentation on consumer-facing products to deeper pricing, policy, and segmentation analyses where causal identification is the central challenge. This role is well-suited for someone with a strong economics or causal ML foundation who wants to apply rigorous statistical thinking to real product decisions at scale. You'll need to be comfortable writing SQL, working with imperfect data, and partnering with stakeholders to turn analysis into product impact. Our team is based at Twitch HQ in San Francisco, CA. You can work in San Francisco, CA; New York, NY; or Seattle, WA You Will: Apply causal inference methods where experimentation isn't feasible Develop models and analyses that inform pricing, segmentation, and revenue optimization Design, run, and analyze A/B experiments Pa

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 Role Twitch Tax is looking to grow our fun and collaborative tax team! We want to add an enthusiastic US and international tax manager to help support tax planning for Twitch's unique digital entertainment business. You will report to the Senior Director, Head of Tax for Twitch who is based in Seattle, Washington. You will also closely collaborate with other members of our Twitch Tax team including individuals from both our tax planning and tax ops/compliance functions to address tax planning and related compliance efforts as Twitch continues to innovate and expand its business and respond to the ever-chaning landscape of US and international tax laws. Our team works closely with our business, legal and finance cross-functional partners from both Twitch and Amazon, including advising on important Twitch projects, products, and initiatives, and also coordinating key tax positions and analysis across the broader suite of Amazon's digital businesses. You can work in Irvine, CA; Los Angeles, CA; New York; NY; San Francisco, CA or Seattle, WA. You Will: Analyze and document U.S. and non-U.S. direct tax, indirect tax, and tax reporting and compliance impacts of Twitch projects, programs, products, and other initiatives. Manage outside counsel and external tax advisors on advisory requests and

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 Role Twitch Tax is looking to grow our fun and collaborative tax team! We want to add an enthusiastic US and international tax manager to help support tax planning for Twitch's unique digital entertainment business. You will report to the Senior Director, Head of Tax for Twitch who is based in Seattle, Washington. You will also closely collaborate with other members of our Twitch Tax team including individuals from both our tax planning and tax ops/compliance functions to address tax planning and related compliance efforts as Twitch continues to innovate and expand its business and respond to the ever-chaning landscape of US and international tax laws. Our team works closely with our business, legal and finance cross-functional partners from both Twitch and Amazon, including advising on important Twitch projects, products, and initiatives, and also coordinating key tax positions and analysis across the broader suite of Amazon's digital businesses. You can work in San Francisco, CA or Seattle, WA. You Will: Analyze and document U.S. and non-U.S. direct tax, indirect tax, and tax reporting and compliance impacts of Twitch projects, programs, products, and other initiatives. Manage outside counsel and external tax advisors on advisory requests and documentation pertaining to direct tax, ind

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team + role We are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards. As an Executive Sourcer, you play a critical role in identifying and engaging top-tier executive talent across functions. You will identify, engage, and build relationships with senior-level and executive talent across a range of business functions. You’ll partner closely with executive recruiters and leadership stakeholders to define talent profiles, conduct market research, and develop targeted sourcing strategies for leadership hiring initiatives. You will play a key role in shaping executive pipelines, delivering talent insights, and helping drive long-term succession and organizational planning efforts. This role offers the opportunity to work on high-impact searches while contributing to the evolution of executive sourcing practices and research capabilities across Robinhood! This role is based in our Chicago, IL, Menlo Park, CA, and New York, NY offices, with in-person attendance expected at least 3 days per week. At Robinhood, we believe in the power of in-person work to accelerate progress, spark innovation, and strengthen community. Our office experience is intentional, energizing, and designed to fully support high-performing teams. What you’ll do Buil

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a member of the facility operations team, you will design, build, and activate some of the world’s most technically advanced facilities and data centers. You will be the subject matter expert on all HVAC, piping, and other critical fluid systems. You will have the opportunity to utilize your knowledge, experience, and creativity to develop novel solutions at the cutting edge of space technology. You will work with other facility engineers and internal customers to support these goals and have the opportunity to drive real global impact, ultimately leading to making life multiplanetary. RESPONSIBILITIES: Responsible for owning and being the subject matter expert on fluid/HVAC components across the site. Perform CAD modeling and design of these systems. Perform fluid analyses for pressure balance, component design allowable, and consumables determination. Responsible for owning maintenance and reliability of critical infrastructure assets across campus. Commission systems, validate nameplate performance, and implement predictive maintenance protocols to minimize downtime. Equipment selection, sizing, and procurement support. Drive root-ca

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team + role We are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards. The Tax Operations team’s mission is to support our tax information reporting and compliance efforts related to the purchase and sale of equities and crypto. We partner with product, engineering, and account operations teams to ensure robust and scalable tax systems. Our team fosters a highly collaborative, supportive, and execution-oriented culture. We are dedicated to ensuring a seamless tax reporting experience for all Robinhood customers! Robinhood is looking for a skilled Tax Operations professional to join our team! We are seeking motivated professionals who thrive in dynamic environments and can manage multiple priorities. In this role, you will lead tax reporting processes for taxable and retirement accounts, executing critical exception reports covering areas such as withholding, cost basis, and crypto transactions. You will also partner with Customer Experience and Account Operations teams to resolve complex tax-related inquiries and withholding issues. This role is based in our Menlo Park, CA and New York, NY offices, with in-person attendance expected at least 3 days per week . At Robinhood, we believe in the power of in-person work to accelerate progress, spark

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team + role We are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards. The Tax Operations team’s mission is to support our tax information reporting and compliance efforts related to the purchase and sale of equities and crypto. We collaborate closely with internal partners to ensure robust processes and data flows. We are dedicated to ensuring a high standard of compliance in a fast-paced and collaborative team environment. Robinhood is looking for a skilled Tax Operations Analyst to join our team! We are seeking driven individuals who thrive in a fast-paced environment and can manage multiple priorities. In this role, you will work on executing various exception reports covering areas such as reporting, withholding, and cost basis. You will also help our Customer Experience and Account Operations teams handle tax-related inquiries and resolve reporting issues. This role is based in our New York, NY and Menlo Park, CA offices, with in-person attendance expected at least 3 days per week. At Robinhood, we believe in the power of in-person work to accelerate progress, spark innovation, and strengthen community. Our office experience is intentional, energizing, and designed to fully support high-performing teams. What you’ll do Collaborate w

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. As the Senior Tax Manager, you will be a strategic tax compliance expert within Snowflake’s finance organization, owning and driving all aspects of U.S. federal and state income tax compliance. You will report to the Senior Director, U.S. Tax, and partner closely with a peer Senior Tax Manager who leads the Global & U.S. income tax provision process, providing critical inputs, analytics, and direct support for the quarterly and annual ASC 740 process. This is an exciting opportunity to join a high-growth, world-class technology company and make an immediate impact. This is a hybrid role that can be based in either Menlo Park, CA or Dublin, CA. RESPONSIBILITIES: Own the end-to-end U.S. federal and state income tax return compliance process, including preparation, review, timely filing, extensions, and estimated tax calculations and payments Coordinate and manage external service providers to ensure high-quality and efficient compliance deliverables Develop and apply state income tax planning strategies to optimize effective tax rate and cash taxes across all required income, business and gross receipts tax filings Monitor legislative and regulatory developments in U.S. federal and state tax law; proactively assess and communicate compliance impact to leadership Respond t

About the Team The Personality & Model Behavior team, within OpenAI’s broader Personal AGI team conducts research on how to shape personalities and guide the behavior of models. We think about topics such as emotional intelligence, reasoning, and how models interact thoughtfully with users. We’re particularly interested in understanding how individual users want ChatGPT to behave, and creating personalized models that feel uniquely tailored to each user. We integrate this research into ChatGPT and other OpenAI products that are used by hundreds of millions of users. About the Role We're looking for individuals with strong ML engineering skills and research experience, especially with novel and highly capable models, and in areas like reinforcement learning and reward modeling. An ideal candidate is passionate about product-driven research. In this role, you will: Conduct research around personalization, personality, and model behavior by leveraging and developing tools such as synthetic data, reward modeling, and reinforcement learning. Build robust evaluations and model training pipelines to facilitate our research. Innovate new post-training methods. This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. You might thrive in this role if you: Have a deep understanding of machine learning and its applications. Have prior knowledge in training and optimizing models and building evaluations. Are willing to dive into large ML codebases to debug issues. Thrive in dynamic and technically complex environments. Have a track record of delivering innovative, out-of-the-box solutions to address real-world constraints. About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through o

Technical Program Manager – Applied Product & Platform About the Team The Product & Platform teams at OpenAI are responsible for delivering the company’s most impactful offerings—such as ChatGPT, our API platform, and new enterprise capabilities—to a global and diverse customer base. These systems must perform at scale and deliver exceptional experiences to developers, consumers, and businesses alike. Technical Program Managers at OpenAI play a key leadership role in scaling these efforts, partnering deeply with product, engineering, design, and go-to-market teams to bring ambitious ideas to life and ensure clarity and discipline in execution. About the Role We’re seeking a Technical Program Manager to drive complex, large-scale product and platform initiatives across ChatGPT, API, and related surfaces. This role sits at the intersection of technical strategy and execution. You’ll be responsible for translating product vision into actionable plans, shaping interfaces and experiences from both consumer and developer perspectives, and ensuring successful delivery across web, mobile, and platform layers. You’ll bring deep technical fluency, product sense, and a strong execution track record. You’re comfortable managing ambiguity, influencing architectural direction, advocating for developers, and leading cross-functional delivery with discipline and empathy. Location: San Francisco, CA (Hybrid – 3 days/week in-office) In this role, you will: Collaborate with product, engineering, and design to shape roadmaps, technical strategies, and long-term platform direction. Translate product vision into clear, scalable technical execution plans, balancing short-term delivery with long-term platform evolution. Lead end-to-end execution of cross-functional product and platform programs—from planning through launch and iteration. Own timelines, milestones, dependency management, risk mitigation, and accountability across teams. Partner with engineering teams to influence ar

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team + role We are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards. The Android team’s mission is to redefine how millions of users engage with their finances. We're focused on delivering intuitive, scalable, and inclusive mobile experiences that empower our customers to build better financial futures. We collaborate closely with Product, Design, and Backend Engineering to ensure every interaction on Android reflects quality, performance, and care. Robinhood’s Trading Products team builds and evolves the customer-facing stock trading experience within Brokerage Engineering, owning key parts of the equities product surface. The team works across core order flows, trading state updates, and frontend product experiences to help customers research, place, and manage trades with reliability at scale. As a Senior Android Engineer on this team, you would lead the development of high-impact mobile experiences that sit at the center of the trading journey. We’re looking for someone who can drive complex Android work end to end, partner closely across functions, and bring the technical depth and product judgment to flex into staff-level scope for the right candidate. This role is based in our Menlo Park, CA or New York City, NY office, with in-person