Data Engineer, Notifications | Whatnot | San Francisco

Join Whatnot as a Data Engineer specializing in Notifications. In this role, you will be pivotal in enhancing our notification systems to deliver real-time updates and improve user engagement. Your expertise will help shape our data architecture and optimize our processes, ensuring we provide the best experiences for our customers.

Join Whatnot as a Data Engineer specializing in Notifications, where your expertise will drive impactful data solutions. You'll be responsible for designing, building, and optimizing our data systems, ensuring reliable notifications for our users. In this role, you will collaborate with cross-functional teams to enhance user engagement through data-driven insights.

Join Whatnot as a Software Engineer specializing in Data. In this pivotal role, you will harness your technical expertise to develop innovative solutions that enhance our data capabilities. Collaborate with cross-functional teams to design, implement, and optimize data-driven applications that will support our growing user base.The ideal candidate will have a passion for technology and a drive to improve processes through data insights. This is a unique opportunity to shape the future of our platform and make a significant impact on our business.

As an Executive Recruiter at Whatnot, you will play a pivotal role in shaping our team by identifying and attracting top-tier talent. Your expertise in recruitment will help us build a diverse and high-performing workforce. You will collaborate closely with hiring managers to understand their needs and develop effective sourcing strategies. Your ability to engage candidates and promote our company culture will be key to our success.

Whatnot is seeking a dynamic Leadership Recruiter to join our innovative team in San Francisco. In this role, you will be responsible for identifying and attracting top-tier leadership talent that aligns with our company culture and strategic goals. You will work closely with hiring managers to understand their needs and develop tailored recruitment strategies that drive results.

Embark on a Journey with Whatnot - The Future of Commerce!Whatnot stands as the premier livestream shopping platform across North America and Europe, where enthusiasts can buy, sell, and explore their favorite items. From trading cards to fashion, electronics, and even live plants, our platform empowers sellers to create genuine businesses across a myriad of categories. We are pioneering live commerce in the West, crafting an industry without a blueprint, and our team is pivotal in shaping this exciting frontier.Operating as a remote co-located team, we draw inspiration from our core values while maintaining hubs in the US, UK, Ireland, Poland, Germany, and Australia. Our agility allows us to stay close to our users and prioritize impactful work.Recognized as one of the fastest-growing marketplaces, we are proud to have been named the #1 Best Startup Employer in America by Forbes. Stay updated with Whatnot by checking our news and engineering blogs, and join us in empowering individuals to transform their passions into thriving businesses while fostering community through commerce. Your RoleAs a Recruiter on our Early Talent team, you will collaborate with various departments to establish strategic recruitment processes, enhance our brand presence, and build enduring relationships with emerging talent worldwide.Collaborate with engineering hiring managers to devise targeted hiring strategies that attract top early-career talent.Oversee the complete recruitment process, including conducting interviews, managing offers, and supervising intern programs.Serve as a brand ambassador for Whatnot at university and early-career events, with travel required during peak campus times.Refine the early talent recruiting process by gathering and implementing feedback from candidates and other insights.Foster long-term relationships with high-potential candidates by understanding their aspirations and aligning them with opportunities at Whatnot.

Be Part of the Next Wave in Commerce with Whatnot!Whatnot stands as the largest livestream shopping platform across North America and Europe, empowering users to buy, sell, and discover cherished items. From trading cards to fashion, electronics, and even live plants, our sellers are crafting genuine businesses across a multitude of categories. We are pioneering live commerce on a scale previously unseen in the Western market, creating a new industry framework from the ground up.Our remote co-located teams are driven by our core values and are strategically positioned in hubs throughout the US, UK, Ireland, Poland, Germany, and Australia. We prioritize speed, maintain close connections with our users, and concentrate on impactful work.Recognized as one of the fastest-growing marketplaces, Whatnot has recently been honored as the #1 Best Startup Employer in America by Forbes. Stay updated with our latest news through our blog and engineering insights, and join us in transforming passion into business and uniting people through commerce. Role OverviewIn the role of Early Talent Recruiter, you will collaborate with various teams across the organization to create innovative recruitment strategies, enhance our employer brand, and foster enduring relationships with early talent worldwide.Work closely with hiring managers in Engineering to devise focused hiring strategies that attract premier early career talent.Oversee the complete recruitment process—conducting interviews, managing offers, and supervising intern programs.Serve as a Whatnot brand ambassador at university and early career events, with required travel during peak campus recruitment seasons.Enhance the recruitment experience by integrating candidate feedback, refining the early talent hiring process for optimal results.Cultivate lasting connections with high-potential candidates by understanding their aspirations and career goals.

Join Whatnot as a Senior Technical Recruiter, where you will play a crucial role in shaping our engineering teams by attracting and hiring top-tier talent. Your expertise in technical recruitment will drive our growth and innovation as we strive to build an exceptional platform for our users.In this role, you will collaborate closely with hiring managers, develop sourcing strategies, and engage with candidates to ensure a seamless hiring process. You will be instrumental in enhancing our employer brand and ensuring a positive candidate experience.

Step into the Future of Commerce with Whatnot!Whatnot stands as the premier livestream shopping platform across North America and Europe, dedicated to helping enthusiasts buy, sell, and discover their favorite items. From trading cards to fashion, electronics to live plants, our diverse sellers are crafting genuine businesses across an array of categories. We’re pioneering live commerce on an unprecedented scale in the West, charting a course that has never been navigated before. The talent here is actively shaping the evolution of a groundbreaking industry.As a dynamic remote co-located team, we are inspired by our core values and are anchored in hubs throughout the US, UK, Ireland, Poland, Germany, and Australia. We prioritize agility, maintain close connections with our users, and focus on impactful work.Recognized as one of the fastest-growing marketplaces, Whatnot has also been honored as the #1 Best Startup Employer in America according to Forbes. Stay updated on Whatnot’s latest developments through our news and engineering blogs as we empower individuals to transform their passions into flourishing businesses and unite people through commerce. Your Role and ResponsibilitiesEnhance Onboarding Operations. Oversee the entire onboarding process including welcome communications, I-9 verification, swag distribution, and IT setup. Continuously refine the process as our team expands.Facilitate In-Person Orientation. Work alongside Talent Programs to design and implement engaging onboarding experiences at our San Francisco hub.Drive Cross-Functional People Ops Initiatives. Collaborate with Finance, Total Rewards, IT, Legal, Recruiting, and People Business Partners to strategize and execute key People Ops projects.Ensure Data Integrity. Manage Workday transactions related to job changes, departures, and compensation updates, maintaining accurate and audit-ready records.Develop Scalable Processes. Identify and address gaps in onboarding, offboarding, and core People Operations functions.

Whatnot is looking for a Machine Learning Engineer focused on Growth to help shape the platform’s direction. This position is based in San Francisco, CA. Role overview This role centers on developing and applying machine learning solutions that support user experience improvements and drive business growth. Expect to work on projects that directly impact how users interact with the platform and contribute to key growth initiatives. What you will do Design and build machine learning models tailored to growth-related challenges Collaborate with teams to deliver solutions that improve user engagement Apply technical expertise to solve complex problems in a growing company Who this role suits This position is well-suited for engineers who are eager to take on new challenges and enjoy working in an environment where their work has a visible impact on business outcomes.

Join Whatnot as a Fullstack Engineer focusing on Seller Growth. In this role, you'll harness your expertise in both frontend and backend technologies to drive innovative solutions that enhance our seller platform.As a vital member of our team, you will collaborate closely with cross-functional teams to develop features that empower sellers, optimize their experience, and help grow their businesses on our platform.

Whatnot is a livestream shopping marketplace connecting buyers and sellers across categories such as trading cards, fashion, electronics, and live plants. The platform supports sellers in building real businesses and is shaping live commerce at scale in North America and Europe. The team works as a distributed group with members based in the US, UK, Ireland, Poland, Germany, and Australia. Agility, user focus, and meaningful work are central to the company culture. Whatnot has been recognized among the fastest growing marketplaces and was named the #1 Best Startup Employer in America by Forbes. Learn more about Whatnot through these resources: Core Values NYT: Fastest Growing Marketplaces Forbes: Best Startup Employer Whatnot News Engineering Blog Role overview The Software Engineer - Machine Learning Infrastructure role centers on building and improving the systems that support machine learning and self-hosted large language model applications at Whatnot. This position involves close collaboration with machine learning scientists to bring advanced models into production, directly enabling new product features and experiences. What you will do Design and develop infrastructure for reliable and efficient machine learning at scale Work on low-latency serving of large models Support distributed training and high-throughput GPU inference Help advance Whatnot’s mission to unlock new capabilities through AI and machine learning Location San Francisco, CA

Join Discord, a platform that captivates over 200 million monthly users, primarily gamers, who collectively dedicate 1.5 billion hours to diverse gaming experiences. At Discord, we are committed to enhancing communication and social interactions in the gaming realm, making it more enjoyable for users to connect before, during, and after their gaming sessions.We are on the lookout for an enthusiastic and mission-driven Senior Software Engineer to become a vital part of the Notifications team at Discord. This team plays a crucial role in ensuring users stay engaged and connected through our platform. As part of a multidisciplinary squad, you will collaborate with engineers across various domains including user experience, infrastructure, and machine learning to deliver notifications that are both meaningful and valuable.As a full-stack engineer who is data-driven and has a strong product sense, you will thrive in our collaborative environment, tackling intricate challenges across the entire technology stack.

Join Whatnot as a Data Scientist specializing in Risk & Fraud and leverage your analytical skills to help us combat fraud and mitigate risks in our vibrant online marketplace. You will work collaboratively with cross-functional teams to analyze data, identify trends, and develop strategies that improve our platform's security and user experience.

Join Whatnot as a Machine Learning Platform Engineer, where you'll play a pivotal role in shaping the future of our AI-driven solutions. In this dynamic position, you will collaborate with cross-functional teams to design, implement, and optimize machine learning platforms that drive efficiency and innovation.Your expertise will be critical in enhancing our data processing capabilities and deploying robust machine learning models at scale. If you are passionate about leveraging cutting-edge technology to solve complex challenges, we want to hear from you!

Whatnot is seeking a Data Science Manager in San Francisco, CA. This position centers on guiding a team that uses data to inform decisions and support the growth of a large-scale livestream shopping marketplace. The role calls for someone who can lead with clarity, encourage innovation, and keep the team focused on results that matter to the business. Role overview The Data Science Manager will play a key part in shaping the future of live commerce at Whatnot. The work involves supporting a team of data scientists, fostering a collaborative environment, and ensuring that data insights translate into real impact for buyers, sellers, and the platform as a whole. What you will do Guide and mentor a team of data scientists to deliver actionable insights Promote a culture of innovation and experimentation Work closely with product and business teams to drive data-informed strategies Keep the team aligned with company goals and user needs Requirements Experience leading data science teams Ability to inspire and motivate others Strong focus on delivering outcomes that support business growth Whatnot’s headquarters are in San Francisco, and the company operates with a distributed team across several countries. The culture values rapid product development, close connections with users, and work that makes a difference. Learn more about Whatnot’s core values, recent marketplace growth, and see why Forbes named Whatnot the #1 Best Startup Employer in America. For more insights, visit the company news and engineering blogs.

Whatnot is hiring an Engineering Manager, Buyer to join the team in San Francisco, CA. This position leads the engineering group focused on buyer-related processes and technology. Role overview This role centers on guiding and supporting engineers, with a focus on improving systems that power the buying experience. The Engineering Manager will influence technology direction and help shape day-to-day operations for the team. Key responsibilities Lead and mentor a group of engineers working on buyer-facing products and systems Drive improvements to the technology and processes that support buying operations Help define strategies for technical growth and operational excellence Location This position is based in San Francisco, CA.

Embrace the Future of Commerce with Whatnot!Whatnot stands as the premier live shopping platform across North America and Europe, dedicated to enabling users to buy, sell, and discover their passions. We are transforming e-commerce by merging community engagement, shopping, and entertainment into a unique experience crafted just for you. Operating as a remote co-located team, we thrive on innovation and are deeply rooted in our core values. With operational hubs in the US, UK, Germany, Ireland, and Poland, we are collaboratively shaping the future of online marketplaces.From fashion and beauty to electronics and collectibles like trading cards and comic books, our live auctions offer a diverse range of products for everyone.And we’re just getting started! As one of the fastest growing marketplaces, we are on the lookout for innovative, forward-thinking problem solvers to join our expanding team. Stay updated with the latest from Whatnot through our news and engineering blogs and help us empower individuals to turn their passions into thriving businesses while fostering community through commerce. Role OverviewData plays a pivotal role in Whatnot’s mission to unite people through commerce.As our newest Data Engineer, you will design and enhance the systems that facilitate data-driven decision-making across the organization. You will collaborate directly with stakeholders from various departments, including product, sales, marketing, finance, and trust teams, to create resilient data architectures, develop robust pipelines, and establish foundational data products that drive Whatnot’s growth, both internally and externally.On any given day, your responsibilities may include:End-to-End Data Architecture Ownership. Define our approach to capturing, modeling, and serving critical business data, implementing solutions in production. You will make key architectural decisions regarding storage formats, computing patterns, and SLAs that balance cost, scalability, and consistency.Development of Mission-Critical Pipelines. Design and maintain streaming and batch data workflows that handle high-volume events across various domains—user engagement, transactions, experimentation, marketing performance, and operational telemetry—while ensuring low latency, completeness, and accuracy.Canonical Model Design and Implementation. Develop domain-oriented data models that serve as the backbone for our analytics and reporting needs.

At Fastly, we empower individuals to forge deeper connections with the things they cherish. Our cutting-edge edge cloud platform enables clients to swiftly, securely, and reliably craft exceptional digital experiences by processing, serving, and safeguarding their applications as close to their end-users as possible — right at the edge of the Internet. This platform is tailored to leverage the modern internet, is highly programmable, and supports agile software development methodologies. Our clientele includes renowned global brands, such as GitHub, Yelp, Paramount, and JetBlue.Join us in our mission to create a more trustworthy Internet.Posting Open Date: March 13th, 2026Anticipated Posting Close Date*: May 30th, 2026*Job posting may close early due to the volume of applicants.Data EngineerAs part of Fastly's Analytics team, you will empower leaders across the organization with actionable data that drives essential business decisions. We are focused on expanding and enhancing our premier internal data platform. In your role as a Data Engineer, you will play a pivotal part in transforming our data infrastructure, optimizing data pipelines on Google Cloud Platform (GCP), scaling the ingestion of complex data sources, and adhering to best practices for performance and reliability. This is your chance to contribute to significant projects within a dynamic, collaborative, and innovative workspace, supporting data scientists, analysts, and business analysts across our organization.

About UsAt Rox, we are dedicated to empowering individuals to achieve their greatest potential. Our innovative platform enhances sales efforts through autonomous revenue agents, allowing sellers to prioritize their expertise in selling. Just as coding agents transformed engineering, revenue agents amplify customer interactions.We are revolutionizing the revenue stack by developing the world’s first revenue operating system, encompassing everything from the application layer to systems of context. At Rox, we envision a future where humans evolve into orchestrators while agents handle the complete customer lifecycle.Our solutions support Global 2000 leaders across sectors such as banking, construction, and AI, partnering with industry giants like Ramp and Cognition.Our success stems from a united belief in our mission and an unwavering commitment to making it a reality.The TeamOur world-class team is the backbone of our innovative approach to redefining business operations.Our team members have:Founded and successfully exited companiesHeld top roles at Google, AWS, Confluent, and New RelicWon gold medals in international mathematics competitionsPublished groundbreaking research papersWe are proud to be backed by leading investors, having raised $50 million from Sequoia (Alfred Lin), General Catalyst (Hemant Taneja), Google Ventures, Elad Gil, and Chris Ré.Core PrinciplesTaste: Craft beautiful experiences.We meticulously focus on every detail, striving to ensure that each interaction not only helps sellers accomplish their tasks but also enhances their experience. We are relentless in our pursuit of excellence, always exploring new ways to delight our sellers.Obsession: Commit unreasonably.We are dedicated to our craft, responding to customer needs proactively and driving value even before they ask. Our commitment to continuous learning and self-improvement is unwavering.Action: Get it done.Execution is key; we prioritize thoughtful yet swift decision-making and immediate delivery. Trust is essential in our field, and we earn it through our actions.