Senior Machine Learning Engineer

About UsAt Temporal, we are redefining how developers build applications with our open-source programming model. Our mission is to simplify coding, improve application reliability, and enable developers to focus on delivering features rapidly. We aspire to be the essential foundation in every developer's toolkit, and we are expanding our team to realize this vision. Our core values—curiosity, drive, collaboration, authenticity, and humility—are at the heart of our approach to work and decision-making. We are committed to making a significant impact and are on the lookout for individuals who share our values, challenge conventional thinking, and want to shape the future of our platform. If you are passionate about enhancing the developer experience and building top-tier open-source software and communities, we invite you to join our remarkable team!Position OverviewWe are seeking a Staff Software Engineer to become an integral part of the Replication Foundations team within Temporal's Cloud Global Services (CGS) organization.The Replication Foundations team is responsible for the development and enhancement of Temporal's core replication stack within the Temporal OSS ecosystem. This foundational component supports critical functionalities such as High Availability namespaces, cross-cluster and cross-region failover, and migration tools that facilitate seamless workload transitions between self-hosted Temporal and Temporal Cloud. Our team plays a vital role in establishing scalability and reliability mechanisms that define Temporal's performance at scale.As a technical leader at the Staff level, you will shape protocols and correctness guarantees, lead complex projects from initiation to completion, enhance engineering standards within replication foundations, and collaborate across teams to ensure that OSS primitives support both current and future cloud solutions. This highly technical position requires a solid understanding of consistency, concurrency, failure modes, performance, and operational safety in systems where correctness is paramount.Key Contributions You Will Make:Advance replication protocols and correctness mechanisms to ensure that failures (including cloud outages) are seamlessly managed for our customers.Implement scalability primitives (e.g., multi-cell namespaces) that prepare us for our next phase of growth.

Okta secures identity for both people and AI, providing trusted infrastructure that helps organizations adapt to change. The company addresses complex, real-world problems with practical solutions and values urgency, excellence, and teamwork. The Developer Foundations team is looking for a Staff Software Engineer based in San Francisco, California. This engineer will play a key role in scaling Okta’s systems and accelerating software delivery. The position centers on refining the company’s approach to Continuous Delivery and driving improvements in engineering velocity and productivity across multiple teams. Collaboration is central in this role. The Staff Software Engineer works closely with engineers, architects, operations, program management, and quality assurance. The team values fresh ideas and solutions that have a direct impact on internal developer experience. What you will do Create high-quality internal tools and automation that support continuous delivery and boost developer productivity. Design and implement Continuous Delivery pipelines for a range of projects, using technologies such as Java, Jenkins, AWS, Docker, Python, Node, iOS, Ruby, Bash, and Go. Develop proof of concepts, guide technology decisions, contribute to internal frameworks, and participate in design and code reviews. Roll out solutions to internal users in phases, monitor adoption, gather feedback, and refine approaches to fit team needs. Maintain pre-production infrastructure on AWS, focusing on monitoring, backup and restore, SLA management, cost control, and deployment processes.

About Ditto:Ditto is at the forefront of transforming edge data movement. Our mission is to empower developers to create resilient, real-time applications that thrive under varying network conditions. Whether you're in the midst of a bustling stadium, cruising at 30,000 feet, or stationed at a remote military base, Ditto's peer-to-peer synchronization engine guarantees device connectivity and data consistency, even without internet access. Backed by over $145 million in funding and trusted by industry leaders such as Chick-fil-A, Delta Airlines, and the U.S. military, Ditto is the backbone of critical operations across aviation, retail, travel, hospitality, and defense sectors. As a rapidly expanding global startup, we are dedicated to fostering a diverse and inclusive team that embodies a wide array of perspectives essential for tackling the world's toughest connectivity challenges.Role OverviewJoin us in shaping the future of edge data synchronization as a Senior Replication Engineer at Ditto! We are looking for a talented individual to collaborate closely with our core team, enhancing our database replication systems. Design robust data synchronization protocols that perform excellently in challenging environments, contributing to Ditto's vision of a high-performance, self-healing, and reliable mesh network.You will be part of a remote team, manage your own schedule, and engage with captivating challenges. Ditto is an equal opportunity employer that embraces individuals from diverse cultures and backgrounds. We celebrate diversity and are committed to creating a work environment that is rewarding and inclusive for all our employees.Your Responsibilities...Collaborate with product managers and engineers to design innovative technological solutions.Diagnose production issues and devise strategies for future improvements to achieve a high-performance, self-healing mesh.Continuously optimize systems for efficient bandwidth usage and dependable data transfers between peers.Employ both established and cutting-edge techniques to develop resilient data synchronization technologies, including:Checksumming, content-defined chunking, Merkle trees, erasure codes, and data deduplication with content-addressable storage.Modern probabilistic data structures such as bloom filters and cuckoo filters.Highly concurrent asynchronous programming in Rust.Content addressing and retrieval in a dynamic mesh environment without central coordination.

Join Our MissionFoundation is on the lookout for exceptional engineers to propel our mission of modernizing the homebuilding industry and enhancing the journey of purchasing, selling, and owning homes.About UsWith an impressive backing of $6.8 million from top venture capitalists, including Y Combinator, Foundation is formed by a team of former Opendoor professionals dedicated to revolutionizing residential real estate.Our flagship product serves as a pioneering customer experience platform tailored for homebuilders, akin to “Shopify for Homebuilders.” We collaborate with large-scale homebuilders to provide a cutting-edge digital customer experience, significantly boosting customer satisfaction and team productivity. In just two years, we’ve achieved notable product-market fit and rapid growth, supported solely by contract design.Our Growth PhasesWe are currently navigating the first of three interconnected growth phases:Innovative, AI-driven vertical SaaS for homebuilding - a public-scale potential in its own right.The enterprise ecosystem for real estate - enabling collaboration among adjacent trillion-dollar industries including lending, title, home insurance, and home services.The AI-native home operating system and interface - leveraging the network effects of the enterprise ecosystem to deliver transformative AI experiences for homebuyers and homeowners. Discover, purchase, and manage your home seamlessly with Foundation.Your RoleIn this pivotal role, you will contribute to creating the most reliable and modern customer experience platform within the homebuilding sector, transitioning traditional workflows into the AI era with insight, pragmatism, and empathy.You will work closely with product and customer teams, engaging in comprehensive stack development, collaborating with design and go-to-market teams, and owning significant portions of the platform from initial discovery to production refinement. Our focus is on real businesses, real revenue, and real users who require robust and reliable tools.

About Temporal Technologies Temporal builds an open-source programming model that helps developers ship features faster and improve application reliability. The team’s mission is to make dependable infrastructure a standard part of every developer’s toolkit. Temporal’s work is guided by values of curiosity, ambition, collaboration, authenticity, and humility. The company welcomes people who share these values, challenge assumptions, and want to shape the future of developer platforms. Temporal invests in open-source software and community building, aiming to improve the developer experience for everyone. Role Overview: Staff Software Engineer – Infrastructure Foundations This remote position (United States) sits on the Infrastructure Foundations team. The focus is on designing and implementing technical strategies for compute, networking, and cloud orchestration. The role offers the chance to impact the scalability, reliability, and operational quality of Temporal’s core infrastructure, while also helping define the platform’s long-term direction.

At Databricks, we are driven by our commitment to empower data teams in tackling the world's most challenging problems — from transforming transportation solutions to accelerating medical advancements. Our mission revolves around constructing and maintaining the world's premier data and AI infrastructure platform, enabling our clients to harness deep data insights for enhanced business outcomes.Foundation Model Serving represents the API product designed for hosting and serving advanced AI model inference, catering to both open-source models like Llama, Qwen, and GPT OSS, as well as proprietary models such as Claude and OpenAI GPT. We welcome engineers who have experience managing high-scale operational systems, including customer-facing APIs, Edge Gateways, or ML Inference services, even if they do not have a background in ML or AI. A passion for developing LLM APIs and runtimes at scale is essential.As a Staff Engineer, you will play a pivotal role in defining both the product experience and the underlying infrastructure. You will be tasked with designing and building systems that facilitate high-throughput, low-latency inference on GPU workloads with cutting-edge models. Your influence will extend to architectural direction, working closely with platform, product, infrastructure, and research teams to deliver an exceptional foundation model API product.The impact you will have:Design and implement core systems and APIs that drive Databricks Foundation Model Serving, ensuring scalability, reliability, and operational excellence.Collaborate with product and engineering leaders to outline the technical roadmap and long-term architecture for workload serving.Make architectural decisions to enhance performance, throughput, autoscaling, and operational efficiency for GPU serving workloads.Contribute directly to critical components within the serving infrastructure, from systems like vLLM and SGLang to developing token-based rate limiters and optimizers, ensuring seamless and efficient operations at scale.Work cross-functionally with product, platform, and research teams to transform customer requirements into dependable and high-performing systems.Establish best practices for code quality, testing, and operational readiness while mentoring fellow engineers through design reviews and technical support.Represent the team in inter-departmental technical discussions, influencing Databricks’ wider AI platform strategy.

Join Roblox, where millions of users engage daily in creating, exploring, and connecting through immersive 3D experiences designed by a vibrant community of developers and creators. As part of our mission to connect a billion people with optimism and civility, we are looking for exceptional talent to help us shape the future of human interaction.At Roblox, we are committed to building a platform that empowers our users to bring their imaginative experiences to life. Your career here will involve tackling unique technical challenges at scale while ensuring that shared experiences remain safe and civil for all.Key Responsibilities:As a Senior Backend Engineer on the Avatar Marketplace team, you will play a pivotal role in developing an international marketplace for millions of virtual items that users utilize to enhance their avatars and identities on the Roblox platform. Your work will involve designing, implementing, and managing frameworks and services that regulate the supply and demand within the Roblox economy.The team focuses on building systems that enhance the success of content creators as sellers. We seek an experienced engineer passionate about designing scalable solutions for both sides of the marketplace. The Marketplace Foundation team is dedicated to providing reliable and scalable solutions for critical systems that support both Avatar Marketplace creators and users.Your contributions will include innovating and evolving core concepts to support both current and future use cases, such as Bundles, Limiteds, and Price Optimization. You will help creators maximize their earnings while also scaling Roblox's economy. Additionally, you will be responsible for ensuring a 10x scalability headroom on critical Marketplace systems, improving efficiency, enhancing fault tolerance, and reducing the number and resolution time of production customer support tickets related to these systems.You will be tasked with:Designing and architecting scalable, reliable, and fault-tolerant distributed systems, including microservices, message queuing systems, distributed databases, and cloud-based solutions.Implementing high-quality, dependable code with comprehensive unit and integration tests.

About Our TeamThe Applied Foundations team at OpenAI is at the forefront of safeguarding our innovative technology against diverse adversarial threats. Our primary mission is to ensure the integrity and security of our platforms as they grow.We are dedicated to defending against financial misuse, large-scale attacks, and other forms of exploitation that could compromise user experience or destabilize our operations. The Integrity Foundations team lays the groundwork and infrastructure to support this critical mission.About the RoleAt OpenAI, we aim to advance artificial intelligence in a manner that is safe, reliable, and aligned with broader societal values. The role of Software Engineer in Applied Foundations is vital for maintaining the dependability of our platforms. You will play a key role in developing strong defenses against a variety of adversarial behaviors that threaten our ecosystem.In this position, you will collaborate with our entire engineering team to design and implement systems that detect and prevent abuse, promote user safety, and mitigate risks across our platform. You will be at the forefront of our initiatives to responsibly and sustainably harness the vast potential of AI.Key Responsibilities:Design and enhance systems to identify and prevent various forms of abuse, including financial fraud, botting, and scripting.Work collaboratively with cross-functional teams to create solutions that defend against adversarial attacks while preserving an optimal user experience.Assist in responding to active incidents on the platform and develop new tools and infrastructure to address fundamental challenges.You will excel in this role if you:Possess a minimum of 3 years of professional experience in software engineering.Have experience in setting up and maintaining production backend services and data pipelines.Exhibit a humble attitude, a willingness to support colleagues, and a commitment to team success.Demonstrate self-direction and enjoy innovating solutions to complex problems.Take ownership of issues from start to finish and are eager to acquire any necessary knowledge to achieve your goals.Have a passion for AI safety in production environments and the skills to build effective software systems.

Join Pinterest as a Staff Software Engineer in the Agent Foundations team, where you will be instrumental in developing and enhancing our core engineering capabilities. You will collaborate with cross-functional teams to create innovative solutions that drive our platform forward. Your expertise will contribute to shaping the future of our product and ensuring a seamless user experience.

Are you ready to explore the limits of your potential?At Coinbase, our mission is to foster economic freedom globally. This ambitious initiative requires our utmost dedication as we construct the future on-chain platform, shaping the global financial system.We are looking for an exceptional candidate who is deeply passionate about our mission and believes in the transformative power of cryptocurrency and blockchain technology to revamp the financial landscape. We want someone who is driven to make a significant impact, thrives under pressure, appreciates the privilege of collaborating with top-tier colleagues, and actively seeks constructive feedback to continuously improve. We seek an individual who tackles the company’s toughest challenges head-on.Our work culture is demanding and may not be for everyone. However, if you aspire to shape the future alongside high-performing peers who expect excellence from you, this is the ideal environment.While many roles at Coinbase embrace a remote-first approach, we are not exclusively remote. In-person engagement is essential throughout the year. We host multiple team and company-wide offsites annually to encourage collaboration, connectivity, and alignment, with attendance highly valued and fully supported.About the Teams:The Platform Product Foundations teams are responsible for developing the essential backend services that support our platform’s core, ranging from Identity to Financial Infrastructure. We design high-reliability distributed services that form the foundation of our company. Our systems manage substantial scale daily, handling numerous concurrent users and high-volume financial transactions that demand absolute accuracy. Whether we are enhancing global authentication processes or creating audit-ready ledgers for intricate monetary movements, our focus is on addressing the low-latency and high-conformance challenges of a rapidly changing ecosystem.What You Will Do:Design and implement foundational backend systems with an emphasis on performance, scalability, and reliability.Lead the strategic technical direction for complex, cross-team projects.Develop and refine platform best practices, frameworks, and architectural standards within the team.Offer deep technical mentorship, guide design choices, and elevate engineering quality.Collaborate with product, finance, and engineering leadership to define the team's technical roadmap.Drive system advancements by integrating AI into engineering and operational methodologies.

Are you ready to make a significant impact in the world of AI? Join our dynamic team at Sigma Vertex Software, where we fuse AI innovation with tangible real-world applications. Our focus on voice AI, generative AI, and conversational AI allows us to create transformative solutions that enhance interactions with everyday products and services. From voice-enabling vehicles to optimizing patient experiences and improving customer service, our multilingual, omnichannel AI technology positively influences the lives of millions globally.We are seeking a talented Staff Software Engineer to become a key member of our Restaurant Applications team. In this role, you will take charge of designing and implementing engaging, interactive user interfaces utilized by consumers as well as brand operations and marketing teams. You will be responsible for architecting scalable front-end systems, including component libraries, data-driven dashboards, and A/B testing frameworks. Collaboration with UX designers, product managers, and back-end engineers is essential to deliver cohesive end-to-end solutions.If you are passionate about creating innovative, scalable, high-impact applications that are user-friendly, we encourage you to apply!

About Glean:Established in 2019, Glean is a pioneering AI-driven knowledge management platform that empowers organizations to swiftly locate, organize, and disseminate information throughout their teams. By seamlessly integrating with tools such as Google Drive, Slack, and Microsoft Teams, Glean ensures that employees have timely access to essential knowledge, thereby enhancing productivity and collaboration. Our state-of-the-art AI technology streamlines knowledge discovery, facilitating a more efficient utilization of collective intelligence across teams.Glean originated from Founder & CEO Arvind Jain’s profound insight into the challenges that employees encounter while seeking and comprehending information at work. Witnessing firsthand how fragmented knowledge and a multitude of SaaS tools hindered productivity, he aimed to create an enhanced solution – an AI-powered enterprise search platform that enables rapid and intuitive access to necessary information. Since its inception, Glean has transformed into a leading Work AI platform, merging enterprise-grade search, an AI assistant, and robust application and agent-building capabilities to fundamentally reshape the modern workplace.About the RoleWe are in search of a Software Engineer to become a vital member of Glean’s Data Foundations team—the unit responsible for the comprehensive data ingestion and management layer that powers Glean’s Search, AI Assistant, and Agent offerings across a multitude of enterprise applications and vast quantities of documents.Your contributions will directly influence the quality, timeliness, and reliability of the knowledge that each Glean user engages with daily.Your Responsibilities Include:Ingestion & ConnectivityDevelop and enhance connectors for a diverse array of SaaS and on-premise systems (including Google Workspace, Microsoft 365, Slack, Salesforce, Jira, ServiceNow, GitHub, etc.).Ensure the seamless integration and continuous improvement of data flows to maintain system performance and reliability.

About GranicaGranica is a pioneering AI research and infrastructure company dedicated to creating reliable and steerable representations of enterprise data.We build trust through Crunch, a policy-driven health layer designed to keep extensive tabular datasets efficient, reliable, and reversible. From this foundation, we are developing Large Tabular Models—systems that learn cross-column and relational structures to provide trustworthy answers and automation, complete with built-in provenance and governance.Our MissionThe current limitations of AI are not solely due to model design but also to the inefficiencies of the data that supports it. At scale, every redundant byte, poorly organized dataset, and inefficient data path contributes to significant costs, latency, and energy waste.Granica’s mission is to eliminate these inefficiencies. We leverage cutting-edge research in information theory, probabilistic modeling, and distributed systems to create self-optimizing data infrastructures that continuously enhance how information is represented and utilized by AI.Our engineering team collaborates closely with the Granica Research group led by Prof. Andrea Montanari from Stanford University, merging advancements in information theory and learning efficiency with large-scale distributed systems. We believe that the next major breakthrough in AI will stem from innovations in efficient systems, rather than simply larger models.What You Will CreateGlobal Metadata Substrate. Design and refine the global metadata and transactional substrate that enables atomic consistency and schema evolution across exabyte-scale data systems.Adaptive Engines. Architect systems that self-optimize, reorganizing and compressing data according to access patterns, achieving unprecedented efficiency improvements.Intelligent Data Layouts. Innovate new encoding and layout strategies that challenge the theoretical limits of signal per byte read.Autonomous Compute Pipelines. Spearhead the development of distributed compute platforms that scale predictively and maintain reliability even under extreme load and failure conditions.Research to Production. Partner with Granica Research to transform advances in compression and probabilistic modeling into production-ready, industry-leading systems.Latency as Intelligence. Propel systems forward by optimizing for latency as a key aspect of intelligence.

At Headway, we're on a transformative mission to establish a mental health care system that is accessible to everyone. Our innovative technology connects individuals with exceptional therapists through the first software-enabled national network of insurance-accepting providers.With 1 in 4 people in the US experiencing treatable mental health conditions, the lack of insurance-accepting providers makes therapy prohibitively expensive for many. Headway is committed to creating an inclusive mental healthcare system by simplifying the process for therapists to accept insurance and expand their practices.Founded in 2019, Headway has evolved into a diverse national network comprising over 60,000 mental health care providers across all 50 states, who have collectively impacted more than 1 million patients. As a Series D company, we've raised over $325 million in funding from leading investors including a16z (Andreessen Horowitz), Accel, GV (formerly Google Ventures), Spark Capital, Thrive Capital, Forerunner Ventures, and Health Care Service Corporation.We aim to make your time with us the most rewarding of your career. Join us in our quest to revolutionize mental healthcare for the better.About this Role:Building trust is essential in our mission to make mental healthcare more accessible and affordable across the United States. Patients share sensitive information, payers expect robust controls, and providers require dependable, secure infrastructure. Trust Foundations is dedicated to instilling confidence in our products by protecting user data. We create out-of-the-box identity, access, and secure data platforms that empower other engineering teams. Our goal is to ensure that the most secure path is also the most efficient, allowing clinicians, patients, and payers to place their trust in Headway.This is an exciting time for our growing team, and we are looking to fill multiple roles at both mid and senior levels. As a Software Engineer/Senior Software Engineer on our Trust Foundations team, you will contribute by writing production code daily while shaping the long-term vision for trust at Headway. You will translate open standards such as OAuth 2.0/OIDC, RBAC/ABAC, and envelope encryption into scalable building blocks, integrate privacy-by-design and reliability principles into our developments, and mentor engineers across the company in trust-first thinking.Your Responsibilities:Design, build, and operate core trust primitives - authentication providers, authorization engines, encrypted data stores, and tamper-evident telemetry.Collaborate with cross-functional teams to enhance system security and user experience.Advocate for best practices in secure software development.

Join Us as Our First Marketing LeadFoundation is on the lookout for our inaugural marketing leader to propel our vision of revolutionizing homebuilding and enhancing the journey of buying, selling, and owning a home.About FoundationWith approximately $6.8M in backing from top-tier venture capitalists, including Y Combinator, Foundation is composed of a dynamic team formerly from Opendoor, dedicated to reshaping the future of residential real estate.Our flagship product is a cutting-edge customer experience platform designed specifically for homebuilders—think of it as the "Shopify for Homebuilders." We collaborate with large-scale homebuilders to deliver a modern digital experience, significantly boosting customer satisfaction and team productivity. In just two years, we've achieved remarkable product-market fit and impressive growth, all without a dedicated marketing team.Our Growth JourneyWe are currently navigating the first of three interconnected growth phases:AI-Driven SaaS for Homebuilding: A transformative opportunity with public-scale potential.Real Estate Enterprise Ecosystem: Homebuilders drive this ecosystem, which fosters collaboration among adjacent trillion-dollar sectors such as lending, title, home insurance, and retail.AI Native Home Operating System: This will enable seamless home buying and ownership through our platform.Your Role as Our First MarketerWe seek a hands-on, results-driven marketer passionate about transforming a key sector of the U.S. economy and redefining marketing in the age of AI.Key ResponsibilitiesYou will be pivotal in steering Foundation's next growth phases by integrating AI with marketing and real estate innovation. Your primary objectives will include:Accelerating Growth: Drive rapid expansion of our core AI-driven product line for homebuilders.

Join SoFi as a Senior Software Engineer in our Data Foundations team, where you will play a pivotal role in shaping our data architecture and enhancing our data-driven capabilities. You will work closely with cross-functional teams to develop robust data solutions that empower our business decisions and improve customer experiences.As a Senior Software Engineer, you will leverage your expertise in data engineering, software development, and cloud technologies to build scalable data pipelines and maintain high-quality data infrastructure. Your contributions will directly impact our ability to deliver innovative financial solutions.

Tzafon is at the forefront of machine intelligence, operating as a cutting-edge foundation model lab dedicated to building scalable computing systems. With offices in San Francisco, Zurich, and Tel Aviv, we have secured over $12 million in funding to propel our mission of expanding the boundaries of machine intelligence.Our talented team comprises engineers and scientists with extensive expertise in ML infrastructure and research, founded by distinguished IOI and IMO medalists, PhD holders, and alumni from top tech firms such as Google DeepMind, Character, and NVIDIA. We specialize in training models and constructing infrastructure for swarms of agents to automate tasks across real-world environments.In this role, you'll collaborate between our product and post-training teams to deploy Large Action Models that deliver results. Your responsibilities will include building evaluations, benchmarks, and fine-tuning pipelines, as well as defining optimal model behavior and achieving it at scale.

Our MissionAt Reflection AI, our mission is to develop open superintelligence accessible to everyone.We are creating open weight models for individuals, enterprises, agents, and nation-states. Our diverse team includes AI researchers and industry veterans from leading organizations such as DeepMind, OpenAI, Google Brain, Meta, Character.AI, and Anthropic.FoundationsVision: We aim to establish and maintain a company-wide foundational platform designed to enhance every team by offering dependable, scalable development infrastructure, Site Reliability Engineering (SRE) capabilities, and high-throughput data ingestion tools. This enables Reflection to expedite its growth as we scale.What This Team DoesOur team builds and manages the essential platform layer that every engineering team relies on. We craft clear, opinionated golden paths for cloud infrastructure, networking, and access patterns, ensuring that the safest and most scalable routes are also the easiest to navigate. We work across various domains including cloud infrastructure, network primitives, security protocols, and developer tools to empower engineers to deploy rapidly while ensuring reliability, security, and cost predictability.Define and uphold golden paths for cloud projects and access patterns.Implement secure defaults and guardrails, making the safe path the most straightforward option.Construct and manage core networking components such as routing, DNS, load balancing, and connectivity.Establish baseline observability and operational best practices across services and infrastructure.Oversee developer infrastructure including build systems, CI/CD, caching, and testing infrastructure to facilitate rapid shipping.Enhance cloud cost visibility and reduction through effective tooling, guardrails, and optimization strategies without hindering team progress.What You'll Work WithCloud & Multi-Cloud Architecture: GCP, AWS, multi-cloud configurations, VPC architecture, private DNS, load balancers, advanced routing (BGP), and large-scale Kubernetes clusters.Identity & Security Foundations: IAM, OIDC, RBAC, KMS, secrets management, policy-as-code (OPA, Gatekeeper), secure defaults, and cloud guardrails.Infrastructure & Automation: Terraform, Pulumi, foundational Kubernetes, CI/CD systems, Bazel, build caching, and hermetic builds.Observability & Cost Governance: Prometheus, Grafana, OpenTelemetry, and more.

Founded in 2007, Airbnb has transformed the way people travel and connect. From humble beginnings with just three guests in a San Francisco home, we have grown to a global community of over 5 million hosts who have welcomed more than 2 billion guest arrivals across nearly every country. Our hosts provide unique accommodations and experiences that foster authentic connections with local communities.Join Our Talented Community:As a member of Airbnb's App Foundation team, you will collaborate across platforms to create high-quality, performant capabilities that enhance nearly all features within the Guest and Host ecosystems.Our primary focus is on developing App Product Frameworks, Insights & Logging, Performance & App Health, and Feature Architecture. We work hand in hand with Product, Design, Platform (iOS/Android/Web), Analytics Infrastructure, Data Platform, and other Product Foundation teams to establish cohesive paved paths and standards at scale. We pride ourselves on a culture that values technical excellence, pragmatic decision-making, robust ownership, and a steadfast commitment to enhancing both developer and user experiences through foundational work.Your Impact:Collaborate with cross-functional partners (design and product) to explore, shape, and implement new product experiences from ideation to large-scale execution.Develop efficient and reusable backend capabilities that prioritize quality while ensuring performance and scalability.Lead initiatives that significantly enhance Guest and Host experiences by improving app responsiveness and ensuring reliable performance across critical backend systems impacting millions.Establish a performance roadmap by identifying bottlenecks, prioritizing impactful work, and delivering enhancements across services, data access patterns, and infrastructure.Elevate performance engineering standards by creating tools, benchmarks, and guardrails that prevent regressions and integrate performance considerations into team workflows.Influence architecture and standards across Airbnb's backend ecosystem to improve observability, efficiency, and adaptability of systems.A Day in Your Life:Join us in making a difference for millions of users worldwide by building the backend foundations that power the Airbnb experience.