Performance Modeling Engineer 2 in United States

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here . About tvScientific by Pinterest We are the first CTV advertising platform purpose-built for performance marketers. For brands and app developers, we bridge the gap between massive TV reach and granular User Acquisition (UA) metrics. Built by ad-tech veterans, our platform combines media buying, optimization, and MMP attribution to help consumer brands automate CTV campaigns, drive app installs, and maximize Return on Ad Spend (ROAS). As a Lead Client Partner, you’ll leverage your experience in performance marketing and digital advertising to champion the value of our product, empowering brands, companies, and agencies to achieve their advertising objectives through the power of CTV. Day to day, you'll strategically manage named account lists (NALs) within your industry vertical to drive targeted engagement and revenue growth. Currently, we are l

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here . About tvScientific by Pinterest We are the first CTV advertising platform purpose-built for performance marketers. For game developers and publishers, we bridge the gap between massive TV reach and granular User Acquisition (UA) metrics. Built by ad-tech veterans, our platform combines media buying, optimization, and MMP attribution to help gaming brands automate CTV campaigns, drive app installs, and maximize Return on Ad Spend (ROAS). Join the tvScientific by Pinterest team as a Client Account Manager II, where you'll lead strategic client relationships, drive revenue growth, and ensure client success on our cutting-edge platform. As a Client Account Manager II on our team, you'll be responsible for managing a portfolio of key enterprise client accounts, developing and executing strategic account plans, and driving revenue growth through

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: The Growth Marketing team sits at the intersection of marketing, data, and technology, driving scalable acquisition and measurable business impact across Airbnb. Our work is critical to driving the company’s top line growth. We are looking for a highly strategic and technically savvy Growth Marketing Lead to own Host SEM, the supply side of our Paid Search program. You will be a channel expert, thought partner, and trusted advisor to leaders and business partners across Product, Data Science, Engineering, Supply, FP&A, Brand, and Creative teams to shape strategy and exceed ambitious KPI goals. The Difference You Will Make: You will lead end-to-end strategy and execution of Airbnb's Global Host SEM program, driving efficient host acquisition and long-term supply growth. You'll lead large-scale SEM investments across major search platforms, identify new growth opportunities, design and scale experimentation to inform investment decisions, and optimize performance to maximize business impact and ROI. You’ll collaborate cross-functionally to drive scalable solutions, influence roadmaps, and communicate data-driven recommendations to senior leadership that shape key business decisions. A Typical Day: Lead Airbnb's global Host SEM program across major search platforms (Google, Bing, and emerging channels) to drive efficient host acquisition and long-term supply growth. Develop and execute the strategic roadmap for Host SEM, aligning investment strategy and budget allocation with global and regional business priorities. Design, execute, and scale experiments across bi

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: Airbnb is redefining the world's approach to accommodation and travel. We are creating highly local, personal and authentic experiences for our host and guest community around the world. Our platform connects millions of people a year and furthers our mission to create a world where anyone can belong anywhere. To power the global Airbnb community, we are building a world-class payments platform - one that currently supports 191 countries, 63 currencies, connects dozens of payment providers and banks, and processes billions of dollars per year for all of Airbnb’s business units. As the platform grows, we’ll be adding new payment partners, establishing licensed payments companies around the world, and building innovative payment experiences and financial products for our guests and hosts. Our goal? To create a future where transparent, simple, and familiar payment solutions can empower people, entrepreneurs and communities on our global marketplace. The Difference You Will Make: Airbnb is seeking an experienced and strategic Payment Partnerships Manager to drive the vision, execution, and ongoing performance of our partner network supporting how we pay out to our global host community across 200+ markets. Reporting to the Head of Payment Partnerships, this role is pivotal in managing the partnerships that ensure our hosts are paid reliably, efficiently, compliantly and in alignment with our growth and platform goals. You will lead business development, deal negotiation, and strategic relationship management for a portfolio of high-value payment partners. With a focus on impact a

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. 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: Machine Learning and Artificial Intelligence are at the heart of the Airbnb product. From Trust to Payments, and from Customer Service to Marketing we rely on ML to ensure that guests and hosts have the best possible experience with Airbnb. The CS AI product team is responsible for driving CSxAI (Customer Support x Artificial Intelligence) initiatives by adopting the Generative AI technologies to enable an intelligent, scalable and exceptional service experience. The team develops and enhances various AI models, ML services and tools including LLM fine-tuning, alignment and optimization, RAG/Search, LLM evaluation and testing automation, feedback-based learning and guardrail for a wide range of applications in Airbnb. What you will do: As a principal machine learning engineer, you will be responsible for fine-tuning state-of-the-art LLMs for diverse use cases while optimizing models for high-performance deployment on Airbnb’s ML Infrastructure. You will partner with product managers, software engineers, data scientists and operation teams to brainstorm, design and develop AI products such as AI Assistant, Autonomous agent, recommendation, travel planning, and many more products that make meaningful

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: Our web and API surfaces handle requests from guests and hosts alongside a growing volume of automated agents: AI assistants, crawlers, and scrapers. We build the systems that bring clarity to this traffic, combining in-house ML and vendor signals to decide in real time how to serve billions of daily requests. Anti-bot and anti-scraping detection is our most adversarial mandate, but the wider challenge is full traffic classification: building evaluation frameworks that tell legitimate automation apart from abusive actors, so high-stakes decisions hold up across the fleet. The Difference You Will Make: You will architect and maintain Airbnb’s end-to-end traffic classification ML systems, balancing high-performance model deployment with rigorous offline data pipelines. Success is measured by your ability to harden edge-traffic policies—targeting reduced bot-incident MTTM—and by establishing rigorous evaluation practices that ensure foundational signal accuracy and evasion-resistance across the fleet. A Typical Day: Own the complete lifecycle of traffic-scoring models, from problem framing to real-time deployment, managing the adversarial feedback loop to ensure high evasion-resistance and directly drive reductions in bot-incident MTTM. Architect robust offline-to-online pipelines that produce certified source-of-truth datasets, establishing rigorous evaluation frameworks—such as stratified benchmarks and leakage-prevention checks—to ensure every model improvement is empirically measurable and defensible. Execute model optimization within strict millisecond latency budgets at the

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: Hotels represent one of Airbnb's most exciting growth frontiers, bringing professional hospitality partners onto the platform and making it possible for guests to choose Airbnb for every kind of trip. By ensuring a robust and exceptional hotel supply, the Revenue Operations team plays a critical role in shaping Airbnb's future and delivering on its mission to create a world where anyone can belong anywhere. The Revenue Operations team partners across the company to build world-class Sales, Onboarding, and Account Management capabilities. We support partners across the full journey – from identifying and acquiring the right supply in the right markets, to seamless onboarding and integration, to the tools, programs, and insights that help partners grow and succeed on our platform. We own critical growth levers that ladder directly into business goals, and we build the central infrastructure that powers in-market execution for field teams worldwide. The Difference You Will Make: Acquiring the right hotels in the right markets is one of the most critical drivers of Hotels growth at Airbnb – and this role sits at the center of that effort. As Sr. Lead, Revenue Operations – Hotels Acquisition, you will own the global acquisition operations strategy, partnering with regional sales leaders, marketing, product, and central analytics teams to drive funnel performance, optimize conversion, and scale what works across markets. You will serve as the global subject matter expert on hotel acquisition levers — bringing strategic clarity to how and where we acquire supply, translat

About the team Platform Partnerships builds and grows the relationships that extend OpenAI products through the world’s most important technology platforms. The team works across Product, Engineering, Research, Go-to-Market, Legal, Finance, Marketing, Policy, and Operations to turn partner opportunities into durable product experiences and business outcomes. We are a small team working on opportunities that rarely arrive with a playbook. We set the strategy, make the tradeoffs, and stay close to execution through launch and scale. About the role We’re hiring a Strategic Partner Manager to own and drive the expansion of a portfolio of OpenAI’s most strategic platform partnerships. You will treat each partnership as a business: set the expansion thesis, align joint product roadmaps, structure commercial opportunities, and translate shared ambition into measurable adoption, usage, revenue, distribution, and product impact. This is a senior individual-contributor role with full-lifecycle ownership—from strategy and negotiation through integration, launch, performance, expansion, and renewal. It is a 0-to-1 builder role, not a coordination role. You will create clarity where the operating model is still emerging, make sound decisions with incomplete information, and step into the details required to move the work forward. The right person can move fluidly between a multi-year partnership strategy and the immediate product, commercial, or operating blocker in front of the team. You will build trusted relationships at the executive and working levels while representing OpenAI’s priorities with clarity and thoughtful pushback. What success looks like Each priority partner has a clear expansion thesis, joint roadmap, governance model, and measurable outcomes. High-priority product integrations and go-to-market initiatives launch with clear ownership, strong readiness, and fewer unresolved dependencies. Partnerships show measurable growth across the outcomes that matter for t

About Taskrabbit: Taskrabbit is a marketplace platform that conveniently connects people with Taskers to handle everyday home to-do’s, such as furniture assembly, handyman work, moving help, and much more. At Taskrabbit, we want to transform lives one task at a time. As a company we celebrate innovation, inclusion and hard work. Our culture is collaborative, pragmatic, and fast-paced. We’re looking for talented, entrepreneurially minded and data-driven people who also have a passion for helping people do what they love. Together with IKEA, we’re creating more opportunities for people to earn a consistent, meaningful income on their own terms by building lasting relationships with clients in communities around the world. Taskrabbit is a hybrid company with employees distributed across the US and EU and a Built In — Best Places to Work (2022, 2023, 2024, 2025) continually ranked across multiple national and regional categories. Join us at Taskrabbit, where your work will be meaningful, your ideas valued, and your potential unleashed! Prior to applying please note: W e are currently unable to provide visa sponsorship for this position (including H-1B, OPT, or other employment-based visas). Candidates must be legally authorized to work in the United States without employer sponsorship now or in the future. This role is hybrid requiring 2 days in office at our San Francisco hub every Tuesday & Wednesday (located at 130 Sutter St). About the Role: We're seeking a Senior Software Engineer to join our Post-Booking team, someone who doesn't just build, but raises the quality bar across our entire ecosystem. You'll be instrumental in shaping the consumer experience following the initial booking process. Your work will focus on building new features to improve the customer experience through high-performance Node.js services and AI-driven enhancements, as well as critical replatforming work to modernize our microservice infrastructure. Key Responsibil

About the Team The User Operations team (Support) is central to ensuring that our customers' experience with our products is nothing short of exceptional. We resolve complex issues, provide technical guidance, and support customers in maximizing value and adoption from deploying our products. We work closely with Sales, Technical Success, Product, Engineering and others to deliver the best possible experience to our customers at scale. OpenAI's customers represent a range of diverse backgrounds and maturity, from early-stage startups to established global enterprises. About the Role We’re seeking a Program Manager to lead support readiness and operational programs for OpenAI’s cloud and strategic partnerships. You’ll work closely with Engineering, Product, Support Delivery, and external partners to translate complex technical and business requirements into scalable customer support experiences. This role will help define how we support customers across partner ecosystems, from launch planning and issue-routing workflows to escalation management and ongoing operational improvements. In this role, you will: Lead support readiness for new and existing cloud and strategic partnerships, including launch planning, operational design, and ongoing program execution. Partner closely with Engineering, Product, go-to-market teams, and external partners to develop support models for technically complex products and integrations. Define partner-specific customer journeys, support workflows, escalation paths, ownership models, and cross-company handoffs. Identify operational and technical risks, align stakeholders on solutions, and drive improvements that strengthen the customer experience. Establish clear success metrics and operating rhythms to monitor partnership health, launch readiness, and support performance. Use AI and automation to improve partner-related support workflows and scale operations effectively. You might thrive in this role if you: Have 8+ years of experience

About the Team OpenAI’s Sourcing and Procurement organization helps the company acquire and scale the products, services, and partnerships needed to advance its mission. As the organization grows, we are looking for a strategic builder-operator to establish an AI-led contracting capability that improves speed, consistency, and execution across the company. In this role, you will partner with leaders and stakeholders across Procurement, Legal, Finance, Security, Engineering, and business teams to design and oversee the contracting process from intake through negotiation and lifecycle management. You will bring structure to ambiguity, align partners around shared priorities, and build repeatable operating mechanisms, responsible AI-assisted workflows, and a centralized contract lifecycle management (CLM) system of record that enable sourcing coordinators to execute agreements consistently and help the business scale. About the Role As a Contract Management Lead, you will build, lead, and continuously improve OpenAI’s AI-led contracting help desk—a new capability designed to scale contract drafting, review, negotiation, and lifecycle management without significantly increasing headcount. You will own the service strategy, operating model, delivery oversight, coordinator enablement, workflow design, and performance tracking. Sourcing coordinators will manage day-to-day negotiations and agreement execution; you will ensure they have the tools, playbooks, training, guidance, and escalation support required to deliver timely, consistent, and well-governed outcomes. This is a builder-operator and service-ownership role for someone who combines strong commercial contracting and legal-language fluency with a product-management mentality. You will be hands-on in building the systems, playbooks, AI-enabled workflows, and reporting that support the contracting desk—not in personally negotiating every agreement. You will use a contract lifecycle management (CLM) platform as the c

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 peoples’ lives. About the Role We are seeking a senior Actuator Electromagnetic Design Engineer to lead the development of custom electromechanical actuators for advanced robotic systems. You will own actuator development from early architecture and concept generation through prototype validation and system integration, partnering closely with mechanical, electrical, controls, firmware, reliability, and manufacturing teams. This role focuses on the design, integration, and validation of precision electromechanical systems, including motors, transmissions, sensing, structural components, and thermal architectures. You will help drive actuator development across the full engineering lifecycle while establishing scalable design, test, and integration practices for future robotic platforms. This role is based in San Francisco, CA, and requires in-person presence 4 days a week. In this role, you will: Lead the architecture, design, and integration of custom robotic actuators, including the design, simulation, integration and sourcing of custom electromagnetic components. Define actuator requirements and system-level trade studies around torque density, bandwidth, efficiency, thermal performance, inertia, reliability, manufacturability, and cost. Design precision electromechanical assemblies with strong attention to tolerances, alignment, load paths, thermal expansion, sealing, wear, and serviceability. Drive actuator integration into robotic systems, partnering closely with controls, firmware, electrical, and robotics software teams to optimize closed-loop performance. Devel

About the Team The B2B Marketing team is responsible for helping businesses understand, adopt, and get value from OpenAI’s products. B2B marketing is a major and growing priority for OpenAI as we scale our work with companies, developers, and institutions around the world. About the Role Within B2B Marketing, Demand Generation builds the integrated, full-funnel engine that connects audience insights, content, field and digital experiences, paid media, lifecycle, and sales follow-through to qualified pipeline. We partner closely with Sales, Partnerships, Product Marketing, Communications, Creative, Web, RevOps, Analytics, and regional teams to create a cohesive customer experience and scale what works. We’re looking for a Senior Webinar & Digital Events Strategist to redefine webinars and digital experiences as a high-quality demand channel. You’ll own audience strategy, portfolio design, programming principles, conversion paths, and performance recommendations while partnering closely with a Webinar Marketing Manager on production and delivery. This is a hands-on role for a strategic operator who can create compelling experiences and build the pre-event, live, and post-event systems required to turn engagement into qualified demand. In this role, you will: Owning the webinar and digital events strategy, including audience priorities, portfolio architecture, editorial themes, formats, calendar, investment decisions, and success measures. Designing experiences for specific buyer needs and journey stages, with a clear value exchange, CTA, follow-up path, and connection to broader campaigns. Partnering with Product Marketing, Content, speakers, customers, and subject-matter experts to create differentiated programs that make complex AI topics useful and concrete. Working closely with the Webinar Marketing Manager and production partners to translate strategy into clear briefs, run-of-show requirements, launch plans, QA, and delivery standards. Building integrated pr

About the Team The Monetization Data Systems team builds the trusted data and product systems that power how the company develops, measures, and improves monetization products. We bring together product usage, pricing, billing, ads, payments, and financial data to help Product, Engineering, Finance, and GTM teams make better decisions and deliver reliable customer experiences. We work at the intersection of data engineering, product engineering, platform engineering, Finance, and GTM. Our goal is to turn complex monetization and financial data into accurate, explainable, and timely data products while building systems that scale with the growth and complexity of the business. About the Role We are looking for a Senior Software Engineer to design and build the next generation of our monetization data platform. You will own high-impact platform systems end to end, from architecture and implementation through testing, deployment, observability, and ongoing operation. This is a hands-on role for an engineer who enjoys solving ambiguous customer and business problems, designing durable systems, and partnering closely with Product, Data, Finance, Accounting, and GTM. You will help define technical direction, raise the engineering bar, and turn monetization opportunities into reliable, scalable product experiences and platform capabilities. In this role, you will: Design, improve, and operate reliable, scalable backend services that power pricing, billing, ads, payments, entitlements, and other monetization platform capabilities. Own the architecture and implementation of critical workflows relevant to monetization data, data contracts, and integrations across product and business systems. Establish strong guarantees for correctness, availability, security, performance, reconciliation, and auditability across business-critical systems. Build reusable platform capabilities and developer tools that enable product teams to launch, measure, and iterate on monetization products

About the Team OpenAI Finance ensures the organization is positioned for long-term success as we pursue our mission. The Revenue team plays a critical role in enabling OpenAI to scale commercial offerings by overseeing billing operations, deal desk, revenue systems, revenue accounting, and controllership. We work cross-functionally with Product, Engineering, Go-To-Market, Tax, Legal, and Technical Accounting to support new monetization strategies, improve operational efficiency, and maintain financial integrity as the business grows. About the Role This senior leader will own key elements of Ads revenue accounting from technical assessment through operational execution. The role will guide accounting for products, pricing, contracts, incentives, credits, refunds, makegoods, international expansion, and new go-to-market motions. It will establish governance and translate approved accounting positions into launch, billing, data, close, reconciliation, and control requirements. Success requires deep technical revenue expertise, strong business partnership, and the ability to build durable 0-to-1 processes in a fast-changing environment. Advertising is a critical and growing monetization vector for OpenAI, and this role will help shape the financial foundations that enable Ads to scale responsibly and transparently. 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. In this role, you will: Lead technical accounting assessments for Ads products and commercial arrangements, including performance obligations, variable consideration, allocation, principal-versus-agent, collectibility, contract modifications, refunds, incentives, credits, makegoods, and revenue presentation. Own and continuously evolve Ads revenue accounting policies and operating guidance as product behavior, pricing, contracting, incentive programs, and billing models change. Establish governance for new pro