# Fullstack 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/gHlDUgm-fullstack-engineer
- Page: https://www.1752.vc/careers/jobs/propelauth-fullstack-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 core product is written in React / Typescript and allows our users to create configurable, but complex auth experiences. You will own both our customer's experience AND their users' authentication experiences
- Our backend is written in Rust with a few parts in Python
- Build configurable UIs / component libraries that can be embedded into our customers products. There's a lot of room to be experimental here and make delightful experiences for our customers' users
- Build client libraries in a variety of different frameworks like React , React Native , Vue , and Svelte
- Learn and support new auth standards like MCP or biometrics support
- 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

Tags: Engineering