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Software Engineer (AI Infra)

Job Description

## **At Pylon, we're building the future of B2B Post Sales.** We’re building the all-in-one B2B post-sales support platform powered by conversational data and layered with intelligence to help our customers run their operations in real-time. We’re backed by a16z, BCV, General Catalyst, Y Combinator. Currently more than 1000 companies including Linear, Cognition (makers of Devin), Modal Labs, and [Incident.io](http://Incident.io) run their support and customer success workflows with Pylon. You'll also find us on the [Enterprise Tech 30 List](https://www.enterprisetech30.com/). Our product has a very large problem space so there’s a ton of stuff to build and take ownership of - we’d be excited to get your help as we're hiring several extremely talented software engineers across the stack. ## **In this role, you will...** - Build the platforms that power Pylon's AI features - prompt executions, search infra, and more! - Improve LLM observability - AI evals (online and offline), scorers, and set up Pylon's AI for the next wave of scaling - Improve the quality and performance of AI features ## **You might be a fit if the below describes you...** - You dislike meetings and would much rather focus your time on building, being productive, and shipping code - You have strong engineering fundamentals, code efficiently, and you know what you're great at and what you're less great at - You thrive when you have autonomy, own as many of the details as possible, and project manage your own work - You're in SF or you're willing to relocate, you love working in-person, and you're serious about joining us to build a culture we'll all love - We work with React, Golang, GraphQL, and AWS - You'll join a strong technical team of senior engineers from places like Samsara, Affinity, and Airbnb. ## **Our perks** 🏥 Fully covered medical, dental, and vision insurance for employees 🏦 401(k) retirement plan 🚆 Commuter benefits 🌱 Parental leave 🏝️ 14 company holidays + unlimited PTO 🗺️ Annual offsite 🍽 Lunch, dinner, and snacks at the office 🏋️ Fitness stipend ## **More about Pylon** **Funding:** Series B led by a16z and BCV ($51M total raised) **Founders:** [Advith Chelikani](https://www.linkedin.com/in/advith/), [Robert Eng](https://www.linkedin.com/in/robert-eng/), and [Marty Kausas](https://www.linkedin.com/in/martykausas) **Team:** Currently 90 and growing!

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Job Details

Posted
Mar 24, 2026, 04:51 PM
Listed
Mar 24, 2026, 04:51 PM

About Pylon

Part of the growing space & AI ecosystem pushing the frontiers of technology.

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Software Engineer (AI Infra)
Pylon
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