Senior Fullstack Engineer, Infrastructure
Airbnb · United States
About this role
**Airbnb — Senior Fullstack Engineer, Infrastructure** ## The Community You Will Join Airbnb is a mission-driven company dedicated to helping create a world where anyone can belong anywhere. It takes a unified team committed to core values to achieve this goal. ## The Difference You Will Make The **Internationalization Infrastructure** team (part of **Application Platform**) builds technology that helps Airbnb deliver high-quality experiences to guests and hosts around the world. You’ll provide reliable, scalable, efficient infrastructure and tooling for Airbnb code, content, and stakeholders. You’ll help own three pillars of Airbnb’s internationalization platform: - **Translation workflows** (from authoring → translation → delivery) - **Guardrails** that protect quality and reliability - **Foundational libraries** that keep internationalization consistent across platforms You will build this infrastructure, create paved paths for product teams, and enable responsible experimentation with **machine learning** and **large language models**—partnering with Globalization, Data Science & ML, product/platform teams, content stakeholders, and external vendors to reduce friction and improve the global Airbnb experience. ## A Typical Day As an engineer on the Internationalization Infrastructure team, you will: - Design and build **high-scale translation workflows, APIs, UIs, and libraries** that provide consistent paved paths across Airbnb. - Simplify legacy systems through **safe migrations** while improving **reliability, observability, latency, security, and cost efficiency**. - Prototype applications of **ML/LLMs**, then turn validated ideas into durable platform capabilities. - Partner across teams and vendors to solve ambiguous customer problems. - Measure success through outcomes such as **quality, cost, latency, adoption, developer productivity, and operational load**. ## We’re Looking for Engineers Who - Work autonomously, turning broad goals and ambiguous problems into clear plans, sound decisions, and shipped outcomes. - Proactively find high-value problems, learn from customers and data, and connect technical work to measurable impact. - Prototype early—especially with AI/ML—to test ideas quickly and invest where evidence supports it. - Combine strong distributed-systems judgment with the ability to deliver useful, intuitive full-stack experiences. - Collaborate effectively while taking end-to-end ownership of decisions and execution. - Act as owners and stewards of Airbnb’s multilingual capabilities and the long-term health of the platform. ## Your Expertise - **5+ years** of relevant industry experience (BS or Master’s preferred in Computer Science, or equivalent practical experience). - Strong programming skills for hands-on work in **Java, Kotlin, C++**, or a comparable backend language. - Experience designing/building/operating **distributed systems**, **APIs**, **storage & caching**, **event-driven processing**, or **service-oriented architectures** at scale. - Experience evolving production systems via **incremental migrations**, **testing**, **observability**, and operational ownership. - Proficiency with **JavaScript/TypeScript** and experience with **React** (or comparable modern web tech) to own internal workflows end to end. - Ability to collaborate across organizational boundaries and communicate technical tradeoffs clearly. - A data-informed approach to system quality, reliability, efficiency, and customer exper
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