Siena AI in Buenos Aires is looking for a Senior Fullstack Engineer to develop and optimize features in our AI-powered customer support automation platform. You'll own projects from end to end, collaborating closely with product and engineering teams to tackle complex challenges and improve system performance.

The ideal candidate has over 5 years of experience in software engineering, with strong skills in Node.js, React, TypeScript, and cloud environments like AWS. We offer competitive salary, equity opportunities, and a vibrant learning culture.