Software Engineer, Agent (New Grad 2027)
Sierra·London·Posted 27 October 2026
About the role
ABOUT US Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family along the way. These values are the foundation of our work, and we are committed to upholding them in everything we do. Sierra was co-founded by Bret Taylor https://www.linkedin.com/in/brettaylor/ and Clay Bavor https://www.linkedin.com/in/claybavor/ who first met while working together at Google over 20 years ago. Bret currently serves as Chairman of the Board of Open AI. Previously, he was co-CEO of Salesforce and CTO of Facebook. Clay spent 18 years at Google, where he most recently led Google Labs. WHAT YOU’LL DO - Design and deliver production-grade AI agents https://sierra.ai/blog/meet-the-ai-agent-engineer: You'll…
This is a summary of the advert. The full description and the application are on Sierra's careers site.
Apply faster with Prepper
- A version of your CV tailored to this Software Engineer, Agent (New Grad 2027) role.
- A cover letter written from your CV and this advert.
- Prepper can fill in Sierra's application form and send it once you approve.
- The application saved in your tracker, with reminders to follow up.
More roles at Sierra
Prepper is independent and not affiliated with Sierra. Roles are listed from the employer's public careers system and removed when they close.