Software Engineer Intern, Agent (Summer 2027)

Sierra · Early Career

Where: San Francisco, CA
Posted: Aug 31

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.

Our co-founders are Bret Taylor and Clay Bavor. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook.

What you'd do

Pursuing a bachelor's or master's degree in computer science or a related field
Strong technical problem-solving skills, especially in fast-changing, ambiguous environments
A builder and tinkerer’s mindset with high agency - you find creative ways to overcome obstacles and ship
Excellent communication skills - clear, direct, and persuasive across technical and non-technical audiences
Experience building or deploying AI/LLM systems in production
Familiarity with tools that power today's AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering
Prior experience with React, TypeScript, and/or Go
Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness.
We build trust in AI by making it more accessible, safe, and useful.
We build trust with each other by showing up for each other professionally and personally, creating an environment that enables all of us to do our best work.
Customer Obsession: We deeply understand our customers’ business goals and relentlessly focus on driving outcomes, not just technical milestones.
Everyone at the company knows and spends time with our customers.
When our customer is having an issue, we drop everything and fix it.
Craftsmanship: We get the details right, from the words on the page to the system architecture.
When we notice something isn’t right, we take the time to fix it.
We are proud of the products we produce.
We continuously self-reflect to continuously self-improve.

What they want

The intern program is open to students graduating December 2027 - June 2028
Note: The full benefits listed below are available only to full-time employees. Interns are eligible for a monthly stipend for health insurance, daily lunch, and, of course, free alphorn lessons.