# Senior Fullstack Engineer

**Company:** [Circleback](https://hotfix.jobs/companies/circleback)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** $170k – $250k/yr
**Experience:** 5+ years
**Skills:** React, Next.js, Electron, Swift, React Native, AI, Search, Transcription
**Posted:** 2026-03-30

> Senior Fullstack Engineer building AI-powered meeting notes, search, transcription, and automations across web (React/Next.js), desktop (Electron/Swift), mobile (React Native), and backend. Ship production features weekly to thousands of customers at a fast-moving YC startup.

## Job Description

## What you'll do
- Take on a problem, figure out the right approach, build it across the full stack, and ship it with good judgment.
- Understand how a feature connects to everything else, both technically and from a product standpoint.
- Ship across web (React, Next.js), desktop (Electron, Swift), mobile (React Native), and backend.
- Work on AI-powered outcomes, search, transcription, on-device recording, performance, and automations.
- Experiment with new AI models and techniques.
- Raise the bar for the team through code review and building reusable tools.
- Ship real features to thousands of paying customers every week.

## Who you are / Requirements
- 3-5 years of experience building and shipping software, preferably at startups.
- Made real decisions about the right product and technical approach, not just implementation.
- Eye for detail with strong opinions about how things should work.
- Think about how something fits into the bigger picture.
- Drawn to work that compounds; curious how great products work.
- AI-native: at the frontier of how software gets built, always looking for ways to improve.

## Nice-to-haves
- Experience with AI models and techniques.
- Experience at startups.

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**Apply:** https://hotfix.jobs/jobs/4c979571-a58a-4627-a1b8-6e18fc8cc202
**Canonical:** https://hotfix.jobs/jobs/4c979571-a58a-4627-a1b8-6e18fc8cc202