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From the employer's careers site First seen 27 Oct 2026 · Still live on 30 Oct 2026

Senior Software Engineer, Experimentation Interfaces

Airbnb Brazil senior full-time

The employer hasn't listed a salary.

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Description

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 Experimentation team's mission is to provide an insightful, reliable and easy to use experimentation platform (A/B testing and feature rollout) for customers across the company. Thousands of experiments run on our platform each year. Our team is multidisciplinary, owning UIs for setting up and analyzing experiments, data pipelines and libraries for calculating results, and clients for assignment and delivery. You will work closely with design and data science partners and with the engineers and analysts across the company who use our tools every day.

You will co-own the web application where teams set up, manage and analyze experiments and feature configuration, and the AI-assisted workflows that are becoming part of how experiments are designed, validated and read out. You will build features end to end, from the React/TypeScript interface through Python APIs to the data layer, and make our tools intuitive and trustworthy for users with a wide range of statistical backgrounds. Success looks like features that measurably speed up experiment setup and readout, and AI-enabled tools that people adopt because they are reliable.

A typical day might look like:

  • Developing new features across the client (React/TypeScript), APIs (Python/GraphQL) and database, and owning them from design through on-call.
  • Working with design and key customers to shape intuitive experiences, including how to visualize experiment results so users with minimal statistical training draw good conclusions.
  • Building AI-enabled workflows for our users, such as agent tools and skills that help create, validate and analyze experiments, and the interface around them, with evaluations that keep quality high.
  • Using AI-assisted development to move faster, and helping the team set good practice for it.
  • Working with data science partners to bring new methodology into the product.
  • Participating in experiment reviews to understand how customers use the platform and where it falls short.

To succeed in this role, you should have:

  • 5+ years in a hands-on software engineering role, shipping high-quality code to production, including full-stack web applications on a modern stack.
  • Strong front-end skills: React and TypeScript fundamentals, state and data fetching, performance and testing, and a good eye for intuitive interfaces in data-rich or enterprise tools.
  • Experience across the stack: backend APIs in Python or a similar language, GraphQL or comparable API design, and relational database storage.
  • Hands-on experience with AI: building with LLMs or agent tooling (tools, skills, evaluations), or being fluent with AI-assisted development and knowing how to verify what it produces.
  • Experience working directly with customers and design to turn ambiguous needs into shipped, well-designed features, with clear communication.
  • [Bonus] Experience with data visualization or data-intensive applications.
  • [Bonus] Experience with experimentation platforms.

Airbnb is committed to working with the broadest talent pool possible. We believe diverse ideas foster innovation and engagement, and allow us to attract creatively-led people, and to develop the best products, services and solutions. All qualified individuals are encouraged to apply.

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You apply with the employer directly. Their original posting is here: https://job-boards.greenhouse.io/airbnb/jobs/8325603

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