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Internship
Engineering

Software Engineer Intern, Agent (Summer 2027)

Sierra · Early Career

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Where
Singapore
Posted
4 days ago

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.