Senior Security Engineer in United States

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible earnings opportunities to Instacart Personal Shoppers. Instacart has become a lifeline for millions of people, and we’re building the team to help push our shopping cart forward. If you’re ready to do the best work of your life, come join our table. Instacart is a Flex First team There’s no one-size fits all approach to how we do our best work. Our employees have the flexibility to choose where they do their best work—whether it’s from home, an office, or your favorite coffee shop—while staying connected and building community through regular in-person events. Learn more about our flexible approach to where we work. About the Role This role offers the exciting opportunity to leverage your technical expertise and leadership skills to drive programs that enhance our products, applications, platforms, and ultimately, the experiences of millions of customers, shoppers, and part

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 Relevance and Personalization team at Airbnb is responsible for search and recommendation across the entire Airbnb digital platform. Be a leader in the team working on critical, impactful projects with focus on developing end-to-end ranking algorithms and ecosystems for optimizing multiple critical business objectives. The Difference You Will Make: We build cutting-edge AI technologies across the end-to-end search ranking product stack w.r.t. data pipelines, feature and model innovations, serving and experimentation efficiency, leveraging rich signals from various types of data (structured, sequential, image, text, etc) at Airbnb. We collaborate closely with teams across Airbnb to develop the ranking solutions and support a healthy marketplace for hosts and guests to further Airbnb’s mission of creating a world where people can Belong Anywhere. Some past publications from the team can be found here: https://sites.google.com/view/airbnb-relevance-publications/home A Typical Day: Work with large scale structured and unstructured data, build and continuously improve cutting edge Machine Learning models for Airbnb product, business and operational use cases. Work collaboratively with cross-functional partners including software engineers, product managers, operations and data scientists, identify opportunities for business impact, understand, refine, and prioritize requirements for machine learning models, drive engineering decisions, and quantify impact. Hands-on develop, productionize, and operate Machine Learning models and pipelines at scale, including both batch and real-

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: Policy & Communications is at the heart of how Airbnb works with communities and stakeholders around the world. We're accepting applications for a position as a Senior Policy Economist (part of Airbnb’s Data Science organization) supporting this team to ensure these engagements are data-driven. Candidates should have a strong background in data modeling and economics (including via AI), and demonstrated skill in organizing, communicating, and presenting analysis via visualizations, dashboards, maps, and other tools. The Difference You Will Make: The position offers an opportunity to provide meaningful insights both within Airbnb and to communities across the world. As a result, the role requires working with cross-functional partners throughout the organization (policy/comms, business, legal, finance, data science), as well as external partners outside of Airbnb (experts, academics, policy-makers, media). Candidates should be able to navigate these environments, operating independently and driving their own agenda, but must also work well with partners. A teamwork mentality and “no task too big or too small” attitude is key. The scope of work includes quantitative analysis of high-impact, high-visibility topics including regulation, housing, tourism, economic development/impact, and taxes. Because of this visibility, translation of complex analyses into accessible and scalable resources is key. You will not only be a trusted data expert on the team, but also a storyteller. A Typical Day: Regulatory & economic impact modeling, as well as guidance

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 Difference You Will Make: Airbnb is entering a new era—reimagining how fraud, safety, and quality are measured, protected, and elevated across the digital landscape. Reporting to the Director of Advanced Analytics, Fraud & Safety, you will lead a dispersed team of ~8 advanced analysts tasked with turning safety measurement into governed, self-serve decision systems for Policy, Ops, Legal, Product, and Engineering. You will be a pivotal leader safeguarding Airbnb’s global community. You’ll steer a multidisciplinary team that designs, delivers, and scales state-of-the-art analytics for: Safety (physical & digital) Connected-account & circumvention detection Privacy protection & risk management This role isn’t just about reporting what happened; it’s about building the systems that help Airbnb see around corners. You will democratize data access, build always-on scenario simulators for fraud and safety, and turn incident impacts into seamless signals for continuous improvement. Your insights and systems will empower every stakeholder—from legal to operations, policy to product—to make bold, data-driven, and context-aware decisions in real time. A Typical Day: Own end-to-end analytical workflows for platform safety controls: data ingestion, feature engineering, modeling, experimentation, and visualization. A core mandate is to co-own and drive the enterprise-wide “Safety Single Source of Truth” (SSoT) strategy —a unified, structured data asset and taxonomy that underpins decision-making across Product, Operations, Policy, and Legal. Ensure metrics are future-proof, privacy-compliant, and g

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: As a Senior Machine Learning Engineer, you will be a part of Airbnb's innovative pricing guidance team. Our team is a diverse group of engineers, data scientists, and product managers who are dedicated to creating optimal pricing models for our hosts. We work closely with product engineers, designers, and other cross-functional partners to ensure our models are effective, user-friendly, and contribute to the success of our hosts. ners The Difference You Will Make: In this role, you will be responsible for developing and refining machine learning models for pricing recommendations, with a particular focus on reinforcement learning techniques. Success in this role will be measured by the accuracy and effectiveness of these models, and their impact on host success rates. You will also be involved in project planning and prioritization, ensuring that our team's efforts align with Airbnb's broader strategic goals. A Typical Day: Collaborating with data scientists and product managers to understand project requirements and desired outcomes Developing, testing, and refining machine learning models, particularly reinforcement learning models, for pricing recommendations Analyzing model performance and making necessary adjustments Presenting findings and progress updates to team members and stakeholders Working with product engineers and designers to integrate models into user-friendly tools for hosts Your Expertise: 5+ years of experience in machine learning engineering Proven experience in developing and implementing machine learning models, preferably reinforcement learning mo

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 seeking a detail-driven Senior Accountant to join our Accounting Operatoins team and support continued global growth. This role sits at the intersection of accounting, data, and systems, ensuring accurate financial reporting while driving scalable, efficient processes. The Senior Accountant will own end-to-end accounting activities, including reconciliations, reporting, and systems support, while strengthening the control environment and delivering process improvements. You will collaborate cross-functionally with Finance Technology, Product, Engineering, Business Development and external partners. The ideal candidate for this position will have a strong understanding of GAAP operating expense recognition principles such as capitalization, lease recognition, as well as, excellent technical and communication skills, and the ability to partner effectively across business functions. This position reports to the Manager, Accounting Operations. A Typical Day: &l

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: We’re looking for people who know and use Airbnb and believe in what we’re trying to accomplish. Airbnb is a marketplace that connects guests and hosts, and Payments is central to creating the trust that makes every transaction possible. The Platform team plays the role of conductor, leveraging AI prototyping to bring together engineers, designers, and data scientists to build great product experiences. Our Payments Platform Managers define and execute roadmaps for their product areas, translating organizational priorities into clear plans, requirements, and measurable outcomes. The Difference You Will Make: We are building foundational platform capabilities that require expertise and experience with digital wallets and identity services, and how they interact with payment services for our guests and hosts across the world. The Senior Platform Manager, Accounts will help shape the product vision, strategy, and roadmap for the Payment Accounts area, and lead execution of cross-functional initiatives with partner teams across Payments, Trust, Guest & Host, and Compliance. This is a highly strategic role with a mandate to define and build new platform capabilities and initiatives from the ground up. You will own how this platform scales to many different guest and host use cases, and support business outcomes on guest and host services. You will partner with a cross-functional team of engineers, designers, data scientists, marketplace businesses and operations to build and scale these capabilities. You will also work closely with external enterprise partners and identit

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 Relevance and Personalization team at Airbnb is responsible for search and recommendation across the entire Airbnb digital platform. In this role you'll focus on query intelligence, the front door of search working on critical, impactful projects that turn what a guest types, taps, or says into a precise understanding of their intent, spanning autocomplete and smart compose, query tagging, query expansion, and intent modeling across Stays, Experiences, and Services. The Difference You Will Make: Query understanding is where every search begins, and it directly shapes retrieval, ranking, and ultimately the perfect match between guests and hosts. We build cutting-edge AI technologies across the end-to-end search ranking product stack w.r.t. data pipelines, feature and model innovations, serving and experimentation efficiency, leveraging rich signals from various types of data (structured, sequential, image, text, etc) and increasingly large language models at Airbnb. You'll build the models that parse free-form and natural-language multimodal queries, extract entities and location context, classify intent, and anticipate what guests want before they finish typing. We collaborate closely with teams across Airbnb to develop the ranking solutions and support a healthy marketplace for hosts and guests to further Airbnb's mission of creating a world where people can Belong Anywhere. Some past publications from the team can be found here: https://sites.google.com/view/airbnb-relevance-publications/home A Typical Day: Work with large scale structured and unstructured data, build an

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’s Business Technology (Biztech) organization sits at the heart of how we scale our internal operations to match the pace and ambition of our products. Within Biztech, the Finance Accounting Platform team owns the core finance accounting platform — the system that records, processes, and reports the financial lifecycle of every product Airbnb offers to the world. As a Senior Platform Manager on this team, you will be embedded in a rich, cross-functional community spanning the full breadth of Airbnb’s business. You’ll partner daily with Product and Platform Managers across Payments, Trust, Guest & Host, Pricing, Insurance, Hotels, and Customer Service — as well as Finance stakeholders from Revenue Controllership, Treasury, Tax, Payments Legal, Consolidation, Collections, and Cash. You’ll work closely with Data Engineers and Oracle Applications teams to bring platform solutions to life, and collaborate with FP&A and Business Unit teams who depend on the data your platform produces. This is a role for someone who thrives at the intersection of finance, product, and engineering — and who finds energy in being the connective tissue across a large, diverse, and highly capable community. The Difference You Will Make: You will be the strategic and operational owner of the finance accounting platform — the single point of accountability for shaping how it evolves to support Airbnb’s growing portfolio of product offerings. Your impact will be felt across three dimensions: Scaling the platform with Airbnb’s ambitions — You will define and drive the long-term roadmap for the finan

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’s Legal team embodies the company’s innovative, forward-thinking spirit. At the frontier of the new sharing economy, Airbnb is breaking new ground in matters of policy, law, and government relations. Where some see obstacles, we see the opportunity to find creative, practical solutions, right at the cutting edge. Our adventurous, fast-moving legal team is committed to building a team of talented, collaborative and self-motivated legal professionals across the globe who believe in Airbnb’s mission and leading as a 21st century company. The Difference You Will Make: Airbnb is seeking a highly qualified, experienced commercial lawyer to join our Commercial & Technology team. The Senior Counsel, Commercial & Partnerships, will report to Airbnb’s Associate General Counsel, Commercial & Partnerships. This role will include negotiation and drafting, counseling on sophisticated and strategic commercial agreements, and building and maintaining client relationships. This job is for you if you work well with business people, have an upbeat and positive attitude, embrace adventure, and thrive in fast-paced, collaborative environments. Where some see obstacles, you see opportunities to find creative, practical solutions that advance Airbnb’s global mission. A Typical Day: Drive multiple high-value deals simultaneously - managing timelines and keeping complex negotiations on track from term sheet to close. Proactively identify, analyze, and resolve legal, regulatory, and strategic risks - providing practical, business-oriented advice across commerc

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 Media Foundation team builds the core platforms and infrastructure that power photo and video capture, upload, processing, storage, and delivery across Airbnb's products, at a massive global scale. We partner closely with Product, Design, Data Science, Trust, and Infrastructure teams to ensure every image and video guests and Hosts see is fast, high-quality, and reliable, from the moment a Host uploads a photo to the moment a Guest views it in search results. The Difference You Will Make: As the Senior Engineering Manager for Media Foundation, you will lead a team of engineers to build and operate Airbnb's media infrastructure, the foundation powering every photo, video, and document that users interact with on the platform. Capabilities include uploads, AI/ML transformations, distribution, and presentation within the product. You will shape the team’s vision and help steer the organization towards our larger goals. This includes day-to-day operations, technical deep dives, community engagement with internal engineering teams, and strategic planning. As the technical and organizational leader for Media Foundation, you own the reliability, scalability, and evolution of the systems that power every media interaction on the Airbnb platform from the moment a host uploads a photo to the instant a guest streams a listing video. Your experience in both media technology and people management will be essential to the maintenance, modernization, and innovation of Airbnb's media platform. You set the bar for engineering excellence, define what great looks like for your team, and crea

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's mission is to create a world where people can Belong Anywhere. As we grow to achieve that mission, we're looking to add a technical, hands-on, and mission-driven Senior Manager of Technical Program Management (TPM) for the Infrastructure team to lead AI Platforms initiatives spanning Search Relevance, Machine Learning Infrastructure (MLI), and Search Knowledge Infrastructure (SKI). This person will partner with our engineering & product teams to build/enhance data-driven decision making across multiple areas in Airbnb. They will partner closely with senior ICs and engineering directors across Airbnb on processes, strategy and execution. In this role, you will collaborate closely with the Machine Learning (ML) engineers, infrastructure engineers and product managers from across Airbnb to develop holistic solutions that ensure a vibrant and equitable marketplace. The Search Relevance, Machine Learning Infrastructure (MLI), and Search Knowledge Infrastructure (SKI) teams power the ranking, recommendations, model infrastructure, and search intelligence capabilities that make up a core part of Airbnb's AI Platforms, including: Search Ranking for Stays, Experiences, and Services, Home Page Recommendations, Search Bar AutoSuggest and Autocomplete, Marketing Technology, and the ML infrastructure and platform capabilities that support them. The team also creates the fabric for personalization and the underlying model infrastructure, used both on and off platform for Airbnb. We collaborate with many teams including Search Infrastructure, Guest and Host Experiences, MD

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 hosts are opening their homes or providing experiences to guests from around the world. We’re creating new relationships & placing people in vulnerable situations. Therefore trust is the fundamental currency of Airbnb. We are the Trust & Safety team, composed of engineers, data scientists, designers, product managers, and operations, responsible for earning this trust by building for safety at each moment of the guest and host journey. We build cutting edge machine learning models to detect risk, defenses to deter risky actors, and operations tools that enable investigators worldwide. We define community standards and policies, set high expectations, and keep bad actors out while providing delightful experiences for good users. The Difference You Will Make: As a Product Manager in the Trust & Safety team, you will identify customer pain points, business opportunities, and define/deliver the products that help us create a safe and trusted community around the world. Your work will be pivotal to shaping the future of hospitality and travel. Within the Trust & Safety team, you’ll be focused on Safety: To reduce safety incidents (e.g. interpersonal harm and illegal activities). A Typical Day: Creating vision and strategy for Trust & Safety products and platforms. Leading a cross-functional working group of engineers, data scientists, designers, operations experts, and policy experts to ensure alignment, execution, and launches Maintaining product backlog and the product roadmap. Own prioritization process of product solutions based on business v

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 Supply Enablement & Activation Team is growing and we want you to be part of it! Airbnb is looking for a seasoned Senior Manager, Supply Enablement to join our team. In this role, you'll lead a team of enablement and activation specialists responsible for building world-class content, training programs, and GTM activation at scale — equipping our field, vendor, and operations teams with the knowledge, skills, and tools to consistently acquire, grow, and retain high-quality supply across Homes, Hotels, Services, and Experiences. The difference you will make: This role requires candidates to be based in the US. This role is not eligible for relocation support. This is a high-impact leadership role for someone who has lived the reality of frontline sales and account management, knows how to build and develop high-performing enablement teams, and has a sophisticated command of AI-powered tools to make enablement smarter, faster, and more measurable. You'll set the strategic direction, raise the bar on quality and craft, and ensure everything your team produces drives real, measurable behavior change in the field. A typical day: Team Leadership & Development Lead, coach, and develop a team of enablement managers and activation specialists responsible for content creation and curation, training development, and GTM program delivery; Set clear goals, priorities, and quality standards across the team Build team capacity and capabilities, including identifying skill gaps, investing in development, and hiring exceptional talent Enablement Content & Program Strategy

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 Senior Principal, Competitive Intelligence will report to the Director, Product & Performance within Strategic Finance & Analytics. Airbnb is looking for a unique individual that can blend art and science to evaluate our evolving competitive landscape. This team is responsible for understanding the market across geographics and product offerings, building evaluation criteria and metrics, and delivering clear insights to leaders across the company. The Difference You Will Make: The individual will serve as the company's go-to authority on the competitive landscape, including current and future competitors, adjacent marketplaces, the travel industry at large and macroeconomic trends. They will partner with technical and business operating teams to synthesize competitive signals into clear, actionable narratives that inform executive decision-making at the highest levels of the company. The ideal candidate brings a combination of sharp analytical instincts, business acumen, and the ability to distill complex information into crisp executive-ready stories. They are a self-starter who is comfortable operating with ambiguity, thrives in a fast-paced environment, and relishes the opportunity to own a critical capability from end to end. This person will have a high degree of visibility with senior leadership, including Executive and VP leaders across Finance, Product, Marketing and Business functions. A Typical Day: Competitive Monitoring: Develop and manage regular reporting to review key metrics across marketplace and product; track developing news and indus