Agent Software Engineer - Intern (Summer 2026)
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About this role
About Decagon
Decagon is the leading conversational AI platform empowering every brand to deliver concierge customer experiences. Our technology enables industry-defining enterprises like Avis Budget Group, Block’s Cash App and Square, Chime, Oura Health, and Hunter Douglas to deploy AI agents that power personalized, deeply satisfying interactions across voice, chat, email, SMS, and every other channel. We’re building a future where customer experiences are being redefined from support tickets and hold music to faster resolutions, richer conversations, and deeper relationships. We’re proud to be backed by world-class investors who share that vision, including a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures, along with many others. We’re an in-office company, driven by a shared commitment to excellence and velocity. Our values — Just Get It Done, Invent What Customers Want, Winner’s Mindset, and The Polymath Principle — shape how we work and grow as a team.
About the Team
The Agent Engineering team at Decagon deploys mission-critical AI agents to our customers that impact millions of users and directly drive Decagon’s growth. You will build on our industry-leading AI agent platform, collaborate directly with customers and use your own creativity to devise long-term, scalable solutions. Our mission is to deliver magical support experiences — AI agents working alongside human agents to help users resolve their issues.
About the Role
As an intern on Decagon’s Agent Software Engineering team, you’ll be part of a pioneering group shaping the future of intelligent agents. You’ll contribute directly to production-ready initiatives that address real team needs, gaining hands-on experience and leaving your mark on meaningful, high-visibility work.
This internship will take place from May—September (based on your summer schedule) and you will need to be able to work out of the San Francisco office during this time.
In this role, you will
- Design and build AI agents that outperform human agents in managing complex customer interactions and driving customer retention
- Identify cross-customer trends that guide the evolution of Decagon’s agent building platform and research efforts
- Experiment with and run evaluations on the latest text and voice models, then integrate them at scale with large enterprise-grade customers
Your background looks something like this
- You will graduate by summer 2027 with a degree in Computer Science or a related technical field
- You have experience from previous software engineering internships
- You write amazing code, fast
- You are excited to thrive in a fast-paced environment, continuously learn, and sharpen your skills
Even better
- Prior experience working with multi-modal models