About us Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family along the way. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor and Clay Bavor . Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. What you’ll do Build the third-party event portfolio: Own Sierra's strategy for industry conferences and sponsorships across our key verticals. Decide where we show up and why—evaluating each opportunity against pipeline goals, audience fit, and brand impact—and shape a portfolio of third-party events that builds our presence in the industries that matter most. Program high-impact event experiences: Design the formats that drive real conversations with enterprise buyers—executive roundtables, panels, fireside chats, dinners, and field events—and define the content and messaging behind them. Develop our booth content and on-site narrative so every touchpoint reflects our brand and clearly tells the Sierra story. Own sales enablement for events: Partner close
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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 robotics solutions in a service used by millions of people, then we want to talk to you! We're hiring a Planning & Controls Engineer in our Autonomy Software team. In this role, you'll own and develop flight control, motion planning, and mission planning algorithms for robust, fault-tolerant drone delivery. This is a hands-on role: you will design controllers, implement them in C++ on embedded platforms, test them in flight, and iterate. You're excited about this opportunity because you will… Play an integral role on a small and focused team Develop and tune low-level flight control algorithms for overactuated multirotor and hybrid aircraft on embedded platforms Own the dynamics simulation and aerodynamics modeling of the aircraft Bring up and tune flight controllers on new drone platforms Develop, tune, and test fault-tolerant control (loss of one or more motors, safe landing, emergency behaviors) Build a trajectory motion planner for smooth flight and obstacle avoidance within the operating envelope Help develop the high-level mission route planner with fallback locations We're excited about you because… You have deep controls fundamentals: linear and nonlinear systems, stability analysis, controller synthesis and tuning, frequency domain analysis, optimization, and linear algebra You have excellent knowledge of C++ and embedded systems You bring dynamics modeling and simulation experience with aerodynamics knowledge You have experience developing and tuning flight controllers, interfacing with state estimation You have excellent knowledge of motion planning algorithms (trajectory optimization and nonlinear optimization, A*/D*/RRT variants) You have experience with sensorless brushless DC motor control You've built or owned a robot control stack end-to-end, from design through implementat
About the Team The Consumer Marketing team is committed to bringing DoorDash’s mission of empowering local economies to life for consumers across Canada. By building intelligent, last-mile delivery technology for Canadian cities, DoorDash connects people with the local businesses they care about — helping grow those businesses and the communities that support them. To bring this mission to life, we’re looking for a marketer who will sit at the intersection of growth, brand and operations to help execute integrated marketing strategies for our consumer business at DoorDash Canada. As part of New Verticals, we aim to grow our non-restaurant businesses – including grocery, convenience, alcohol, retail and more. This role will help drive acquisition, retention, and habituation of consumers across New Verticals in Canada, and will make an impact by exercising influence, collaboration, and creative problem-solving across teams. About the Role As Manager, you will own the day-to-day strategy and execution of our New Vertical acquisition, retention, and habituation efforts in Canada, helping define who we target, where we target, and how we communicate to consumers, in partnership with your manager and the New Verticals Strategy & Operations team. This position blends product marketing with growth marketing initiatives, giving you the opportunity to craft innovative campaigns and solutions that get Canadian consumers to try, come back to, and build lasting habits with DoorDash’s New Verticals. You’re excited about this opportunity because you will… Own the day-to-day strategy and execution of New Vertical acquisition, retention, and habituation campaigns in Canada. Own the launch of new New Verticals Merchants on the DoorDash platform, driving awareness and trials for these new partners. Get the opportunity to work on both 0 to 1 tests and always-on programs that let you drive impact across the full New Vertical consumer journey, from first order to ha
About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role We're looking for an Operating Systems Security Engineer to harden and secure the OS layer of our infrastructure. You'll be responsible for designing and implementing OS-level security controls, from kernel hardening to runtime protection, ensuring our systems can withstand sophisticated attacks while maintaining the performance required for AI model training. This is a hands-on role where you'll work with cutting-edge hardware and implement novel security solutions for environments that don't exist anywhere else in the world. You'll need to balance extreme security requirements with the operational needs of researchers training models at unprecedented scale. Key responsibilities Design and implement hardened OS configurations for AI workloads across diverse hardware platforms Minimize attack surfaces by removing as many unnecessary components as possible from kernelspace and userspace Develop kernel security policies using SELinux, AppArmor, and custom Linux Security Modules and runtime enforcement mechanisms Implement and maintain full-disk encryption solutions for diverse storage systems Build security infrastructure for AI systems, research environments, and production services Create OS-level attestation and integrity monitoring systems Apply security patches, develop patches for custom kernel modules, and kernel hardening configurations Design secure boot processes and trusted execution environments Work with container teams to ensure proper workload isolation at the kernel level Design privilege separation and mandatory access control policies Implement secure update mechanisms for OS components Build tooling for
About the Team DoorDash Labs is an independent innovation hub within DoorDash, focusing on developing automation and robotics solutions to enhance last-mile logistics. Our mission is to create technologies that support and augment human networks, aiming to improve efficiency for Dashers, merchants, and consumers alike. We are a highly senior team composed of former pioneers from a variety of different robotics industries. If you have a passion for applying AI and robotics solutions in a service used by millions of people, then we want to talk to you! Please Note: This role is based in San Francisco, CA, and requires being in-person 5 days a week. About the Role We are seeking a Senior RF Engineer to join our multidisciplinary team developing mission-critical RF/electrical systems for unmanned platforms.This role offers a rare opportunity to gain deep insight into RF design and validation, contributing across the full product lifecycle, from early concept and prototyping through production. In this role, you will apply deep expertise in electromagnetic theory and wireless system design to ensure autonomous platforms operate with exceptional reliability and precision. You will design, optimize and validate RF / mixed-signal PCBAs with a strong focus on interference mitigation, troubleshoot system-level desense, and leverage a thorough understanding of wireless technologies including LTE, 5G NR, Wi-Fi, GPS, and UWB. You’re excited about this opportunity because you will… Lead the development of innovative solutions that span across RF, Mixed signal and mechanical domain. Design RF hardware as well as wireless testbeds to support system validation, and lead the execution and documentation of system-level design and verification Provide expertise, mentorship to partner teams regarding EMI mitigation strategies, and cross-functional debug processes Characterize EMI caused by internal & external aggressors by tracing root causes using EMC probes
About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role Anthropic's researchers generate and depend on enormous amounts of data — training runs, evaluations, RL transcripts, annotations etc... The Research Data Platform team builds the systems that make that data easy to produce, find, query, and trust. We work in two modes: we build platform components that other systems plug into (for example, a metrics library that training frameworks integrate to record and retrieve run data), and we own core datasets end to end (for example, the data pipeline behind RL transcripts). As the team's tech lead, your job starts with our users. You'll work directly with researchers — and with the engineers who support them — to understand how they actually work, where managing data slows them down, and where a well-built platform component or a well-curated dataset would change what's possible. You'll turn what you learn into technical direction for the team, in partnership with the team's manager, who owns priorities and people. A central ambition you'll drive: a small set of canonical, well-documented datasets — starting with the core data model for RL — that researchers trust and standardize on, rather than every team managing its own copies. You'll spend your first few months close to the code and close to users: shipping improvements in our core systems, embedding with research teams, and building your own map of their workflows. As the team grows, this role has a natural path into formal people leadership for someone who wants it. Responsibilities Work directly with researchers and the engineers supporting them to understand their workflows, identify the highest-leverage opportuni
About the Team DoorDash’s mission is to grow and empower local economies. By building intelligent, last-mile delivery technology for local cities, DoorDash connects people with the local businesses they care about, helping grow businesses and the communities that support those businesses. Our Consumer Retention Marketing team is responsible for building lasting relationships with our customers through personalized, scalable, cross-channel experiences that drive engagement and long-term value. We focus on connecting consumers with the most relevant products, merchants, and moments across DoorDash’s expanding ecosystem, including New Verticals like Grocery, Convenience, Alcohol, and Retail, as well as high-impact seasonal and cultural Occasions. About the Role As the Assoc Manager of Customer Lifecycle Marketing for USMP New, you will own DoorDash's new consumer onboarding lifecycle — the programs, channels, and experiences that take a customer from the moment they sign up to the point where DoorDash is a habitual part of their life. This is a high-investment, high-impact area. You will not just maintain what exists — you will push it forward. That means aggressively iterating on core onboarding programs, expanding the surfaces through which we reach new consumers, introducing personalization based on customer behavior and context, and managing a meaningful budget across channels. You will move quickly, test often, and build toward an onboarding system that is more intelligent, more multi-surface, and more effective at converting new signups into long-term engaged customers. This role is ideal for someone who thrives on end-to-end program ownership, is energized by improving conversion through both creative and analytical thinking, and wants to build something they can point to and say — I made this meaningfully better. You’re excited about this opportunity because you will… Own the new consumer onboarding strategy — define the full lifecycle from sign-up through habi
About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role Anthropic's Research Productivity organization builds the infrastructure and systems that accelerate research across Anthropic, including the tools that help our research process get faster and more effective over time. We're looking for an experienced software engineer to join us as we scale this infrastructure at a moment when both demand and scope are growing extremely quickly. This team operates like a startup within a startup. You'll be a strong fit if you like thinking from first principles, iterating fast on infrastructure, and tackling reliability and scalability challenges head-on as the products built on top of your systems evolve underneath you. You'll independently scope complex, multi-month projects, drive cross-org alignment through ambiguous problem spaces, and make the architectural decisions that shape how the infrastructure behind our research tooling gets built. You'll partner directly with research teams to understand their workflows, anticipate how their requirements will change, and design and scale infrastructure that can keep pace. Responsibilities Design, build, and scale infrastructure and systems that support rapidly increasing usage, where requirements and workload continue to evolve as the products built on top of them evolve Independently scope and lead complex, multi-month engineering projects, from an ambiguous starting point through to a production system Drive cross-organizational alignment on technical direction, working through ambiguous problem spaces with multiple stakeholders and teams Make architectural decisions that shape the foundation of research infrastructure and tooling acr
Hybrid - New York, NY. Must be based in NY Job Summary The Human Resources Administrative Intern plays a critical support role within the HR function, with a primary focus on maintaining the integrity, organization, and compliance of employee personnel records and documentation. This position is ideal for a highly detail-oriented individual who thrives in structured environments and understands the importance of data accuracy, confidentiality, and regulatory compliance. The intern will be responsible for systematically reviewing, organizing, auditing, and maintaining both physical and electronic employee folders to ensure completeness, consistency, and adherence to company policy and applicable employment laws. This role requires a disciplined approach to administrative processes, exceptional organizational skills, and the ability to detect discrepancies or missing documentation with precision. In addition to records management, the intern will support broader HR administrative activities, contribute to process improvements, and assist in ensuring the HR department operates efficiently and professionally. The position provides exposure to core HR operations, compliance standards, and best practices in employee data management. Principal Accountabilities Employee Records Management & Compliance Conduct comprehensive audits of employee personnel files (both digital and physical) to ensure all required documentation is present, current, and properly filed. Verify accuracy and completeness of documents such as: Employment contracts Offer letters I-9 forms and supporting documentation Policy acknowledgments and compliance forms Ensure strict adherence to federal, state, and company-specific recordkeeping requirements. Identify missing, outdated, duplicate, or incorrectly filed records and escalate discrepancies for resolution. Maintain consistent file naming conventions and folder structures across HR systems. File Organization & System Integrity Organize
JOB SUMMARY B-Stock's marketplace growth depends on a thriving buyer ecosystem at every level. This role owns the full buyer lifecycle — from acquiring and activating new buyers to growing them into Premier Buyers ($250K+/year) — through hands-on lifecycle execution, personalized marketing programs, and cross-functional partnership. This is a builder and operator role. The person who takes this job will design and build B-Stock's buyer lifecycle architecture from the ground up — Braze canvases, segmentation frameworks, behavioral triggers, journey orchestration — and own the engagement and activation outcomes those programs drive. The personalization strategy and prioritization tradeoffs are set at the team level; this person owns making that strategy real through expert execution and continuous optimization. This is a builder role in every sense, including how you use AI: you'll design AI-powered automations and agentic workflows into the lifecycle programs you build. This is also a cross-functional role. Success depends on close partnership with Product and Data teams to get the right signals into the right programs, and on building credibility with the Buyer Account Management team to ensure high-value buyers are prioritized and well-served. ESSENTIAL JOB DUTIES AND RESPONSIBILITIES Lifecycle Architecture & Hands-On Execution Design and build B-Stock's buyer lifecycle architecture in Braze — canvases, onboarding journeys, behavioral triggers, re-engagement flows, and retention programs across all buyer segments. Own segmentation strategy and execution: define buyer cohorts by behavior, transaction history, lifecycle stage, and engagement score, and build the segmentation logic that powers personalized messaging at scale. Orchestrate messaging across channels — email, in-app, push, and SMS — ensuring the right message reaches the right buyer at the right moment without creating fatigue. Build and iterate on personalization frameworks: define which
About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the Role Anthropic's Infrastructure organization is foundational to our mission of developing AI systems that are reliable, interpretable, and steerable. The systems we build determine how quickly we can train new models, how reliably we can run safety experiments, and how effectively we can scale Claude to millions of users — demonstrating that safe, reliable infrastructure and frontier capabilities can go hand in hand. Developer Productivity owns the end-to-end experience of how engineers and researchers at Anthropic develop, build, test, and ship code at scale. This role focuses on the configuration and experimentation systems that let teams safely roll out changes, run controlled experiments, and make data-driven decisions across our products and infrastructure — from feature flagging and dynamic configuration to A/B testing platforms that support both research and production workloads. Responsibilities Own the technical strategy and roadmap for config and experimentation infrastructure, translating team-level goals into concrete execution plans and partnering with teams focused on deployment, testing, and more Maintain and enhance the architecture for feature flagging, dynamic configuration, and experimentation systems, ensuring the hardest problems get solved — whether by you directly or by working through others Design and build scalable, reliable distributed infrastructure and shared libraries that support high-volume experimentation and config workloads across all engineering teams Own and evolve the platforms and tooling that let engineers and researchers safely ship config changes, run experiments, and measure impact
Who We Are Nuro believes self-driving vehicles are the most immediate and profound opportunity for AI to drive positive change in the physical world. Safer streets, more time for what matters, and easier access to the world around us, that’s why we’re building a universal autonomy platform: self-driving for all roads and all rides. Founded in 2016, Nuro is a physical AI company developing Level 4 autonomous driving technology for a wide range of vehicles, use cases, and markets. Powered by the Nuro Driver™, our universal autonomy platform enables the global mobility ecosystem to deploy autonomy at scale, from robotaxis and logistics fleets to personal vehicles. With years of real-world deployment experience and a flexible, partner-led business model, Nuro is working toward a future where millions of autonomous vehicles powered by our technology help make everyday life safer, easier, and more connected. Nuro has raised over $2B in capital from Uber, NVIDIA, Google, Softbank, Fidelity, T. Rowe Price, and other leading investors. About the Role As Chief of Staff for Nuro Driver, you will play a critical role in driving strategic programs, improving execution, and helping refine the Autonomy Product that powers Nuro’s commercial partnerships and deployment roadmap. Nuro Driver encompasses Autonomy, Controls, Embedded Software, Sensor Data & Calibration, and Systems Engineering, Technical Program Managers - the core technical functions responsible for developing, integrating, tuning, validating, and scaling the Nuro Driver. Reporting to the VP of Nuro Driver, you will operate as a trusted proxy and execution partner, working across internal engineering teams, company leadership, and key external partners to bring clarity, structure, and momentum to Nuro’s most important technical and business priorities. This role requires strong strategic judgment, technical fluency, operational rigor, and executive-level stakeholder management. You will help translate complex
About the Team At OpenAI, our User Safety & Risk Operations (USRO) team helps protect our products and users from abuse, fraud, safety risks, and other forms of misuse. We operate at the front line of real-world safety and risk management, translating user and operational signals into timely decisions, effective interventions, and improvements to our systems. This role sits on a team focused on building operational capacity for new, ambiguous, and fast-moving areas of work. The team defines what needs to be built, creates the operating model to support it, and works with partner teams to make the work scalable and durable over time. About the Role We are seeking a Device Safety & Risk Operations Specialist to build the safety operating model for a new category of consumer hardware. This is a senior individual-contributor role for someone who can turn emerging product risks and incomplete requirements into practical workflows, controls, launch plans, and durable systems. You will define how product-safety incidents, critical escalations, regulated cases, and privacy-sensitive issues should be identified, investigated, escalated, resolved, and learned from. You will also establish operational requirements for case management, data access, decision logging, quality assurance, monitoring, and cross-functional response. You will stand up priority workflows through launch and early operations, then help transition them into durable homes across USRO and partner teams. The right person combines deep operational judgment with strong technical and hardware product fluency. They can move from executive-level risk framing to detailed workflow design, tabletop exercises, launch readiness, frontline guidance, and post-launch improvement. Location / work model: San Francisco, CA; hybrid, 3 days/week in-office. Please note: This role may involve exposure to sensitive or concerning material. Strong discretion, judgment, and resilience are essential. In This Role, You Will:
About Wolt At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we’re building the delivery of (almost) everything and you’ll find us in over 500 cities in 30 countries around the world. In 2022 we joined forces with DoorDash and together we keep on dreaming big and expanding across the globe. Working at Wolt isn’t always easy, but it’s definitely exciting. Here you’ll learn more, build more, and ship more than in most other companies. You’ll be challenged a lot, but also have a lot of fun on the way. So, if you’re a self-starter with drive and entrepreneurial spirit, this could be the ride of your life. At Wolt, you can grow your sales career with a fun and fast-scaling global business. Part of the DoorDash team, we’re building a global logistics platform that can deliver (almost) everything in your city, to your door in minutes. Today, our products are used by 55+ million registered users who can now order from 200,000+ restaurants and retail stores across 30+ countries around the world. Our Sales teams create and build our relationships with merchants. Together, we’ve helped big brands, local stores and neighborhood restaurants do over €15 billion’s worth of business through our platform. We’re constantly launching new cities and products, so there are always new opportunities to expand your skills and progress your career. As our new Retail Development Manager you’ll support and develop retail partners, ensuring they are set up for success on the Wolt platform. You will play a key role in driving growth, improving performance, and strengthening relationships with our partners. What you’ll be doing Day-to-day in this role you’ll: Train venues together with the Onboarding team, providing them with all the tools and information to start working as soon as possible Drive and manage month-over-month sales growth of current venues and improve performance
About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role Anthropic is seeking an exceptional Legal Program Manager to serve as the operational backbone of contracting for the Compute and Infrastructure team. We'll rely on you to manage a high volume of procurement and vendor agreements — including datacenter colocation, lease, and build-to-suit agreements; hardware, chip, and network-equipment procurement; and construction, facilities, and operations-and-maintenance (O&M) contracts — along with the NDAs, order forms, SOWs, and amendments that surround them. You will build the scalable contracting processes — templates, playbooks, intake and approval workflows, and contract lifecycle management — that let the business move at the speed of Anthropic’s infrastructure buildout. This role owns the system, throughput, and visibility that move every agreement from intake through signature. Key responsibilities Coordinate and shepherd a high volume of compute and infrastructure procurement transactions — datacenter colocation, lease, and build-to-suit agreements; hardware, chip, and network-equipment procurement; construction/EPC and facilities/O&M agreements; and the supporting NDAs, order forms, SOWs, and amendments — driving each from intake through signature Own and administer the contract lifecycle management system: workflow design and configuration, templates, approval routing, signing and archive and integrity hygiene Design and run intake and triage: how requests enter, how they are prioritized, and how they route to the right owner Propose and develop scalable solutions to improve contracting efficiency and throughput across the infrastructure vendor base Collaborat
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