# Software Engineer

**Company:** [Y/n](https://zerogtalent.com/space-companies/yn)
**Location:** San Francisco, CA, US / Remote (DE; GB; US; SE; FR; CH; AT)
**Work mode:** Remote
**Seniority:** Entry
**Employment type:** Full Time
**Salary:** USD 120K–300K/yr
**Category:** Software
**Listed:** 2026-06-24

[View and apply on Zero G Talent](https://zerogtalent.com/space-jobs/yn/software-engineer-97403)

## Job description

Hi, my name is Gabriel and I'm the co-founder of [Y/n](https://apps.apple.com/us/app/y-n/id6744907251).

Y/n is an app where you play the main character in a story written for you. Be the new kid at a boarding school and get everyone to fall for you, or plan a jailbreak with Sherlock Holmes. Every text you send changes the plot and how characters feel about you, so no two playthroughs are the same.

Our mission at Y/n is to create the most entertaining storyteller in the world, and give it to everyone.

### Why you should join us

-   People love Y/n:
    -   Users spend on average 3+ hours playing Y/n everyday
    -   We are top #10 books apps in the world (reached #4 app in the App Store last month), even though we just launched
    -   We raised $14M from top VCs
-   We work on interesting technical problems:
    -   We serve ~3T tokens (~300M user messages, growing 40% MoM) per month with a team of 4
    -   We manage a LOT of compute!
    -   Training an AI to be fun and creative is incredibly interesting
-   The founders + team are fun to work with:
    -   My co-founder Eric trained the first-ever image editing AI in the world
    -   Before Y/n, I was the founding designer and one of the first employees at Substack, where I learned a lot about product and media
    -   Together, we previously co-founded Can of Soup, a hit AI image sharing app, which you can read about in the [New York Times](https://www.nytimes.com/2023/09/27/technology/ai-images-social-media-sharing.html)

### Some examples of what you would do

You'd be one of our first engineers, with real ownership across the product and the infrastructure. In practice that could mean:

-   Building our personalized recommendation system infrastructure
-   Building features in our mobile and web application

The role will adapt and grow as we do, so don’t worry if you haven’t worked on recommender systems or ML yet!

### What we’re looking for

-   You’ve built actual infrastructure (not just pushed to Vercel)
-   You’ve worked at a startup or built meaningful side projects
-   Optional: you’re into fandom, reading, games, or fanfiction!
-   You're willing to relocate to San Francisco. If you do not have US work authorization, we can help with that

* * *

### Interview Process

1.  Send us your Github
2.  30 min interview with Gabriel (CEO)
3.  Technical with Eric (CTO)
4.  Possible take-home or work trial
5.  Offer

## Other open roles at Y/n

- [Head of Growth](https://zerogtalent.com/space-jobs/yn/head-of-growth-116903) — San Francisco, CA, US
- [Founding Engineer](https://zerogtalent.com/space-jobs/yn/founding-engineer-94749) — San Francisco, CA, US

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*Source: [Zero G Talent](https://zerogtalent.com), the job board for space, defense, AI, robotics and frontier-tech companies.*