# Backend Engineer at PropelAuth

- Company: PropelAuth (YC W22)
- What the company does: Team-based authentication for B2B SaaS. Backed by Y Combinator.
- Company website: https://www.propelauth.com
- Type: Startups
- Level: Mid level
- Location: US / Remote (US)
- Work setup: Remote
- Pay: $140K to $180K base salary per year (USD)
- Posted: 2026-08-19
- Apply by: 2026-10-08
- Apply: https://www.ycombinator.com/companies/propelauth/jobs/8W9NMOq-backend-engineer
- Page: https://www.1752.vc/careers/jobs/propelauth-backend-engineer/

## About the role

We pride ourselves on shipping code frequently and learning as we go. We also have critical security, performance, and uptime requirements, so finding the right ways to ship frequently within those requirements is very important. We all love to learn and grow. Our leadership team has experience working with and mentoring engineers at both startups and top companies. We'll work with our hires to craft this role to their interests, skill set, and long term career goals.

## What they're looking for

- Our backend is written in Rust with a few parts in Python and TypeScript
- Design understandable, performant, and secure APIs for authentication and authorization
- Design architecture for high availability - as a critical part of our customer's stack, uptime and performance are incredibly important
- Learn and support new auth standards like MCP and WebAuthn
- Be creative! In addition to auth, we want to provide our customers with all the tools they need to be successful. As a small team, we like supporting our employees ideas
- Build client libraries/middleware in a variety of different languages/frameworks - no language or community is too small

Tags: Engineering