Senior Software Engineer
- Salary
- $170K - $250K
- Level
- Senior
- Work type
- On-site · San Francisco
Not stated in the posting: visa.
Open. First seen 27 July 2026.
About the role
Circleback's standard text
About Circleback
Circleback is building the source of truth for everything said at a company–starting with best-in-class AI meeting notes, action items, and search.
Every company runs on conversations — meetings, calls, emails — but almost none of that context is usable after the fact. We’re building the platform that captures, organizes, and acts on all of it, so teams can actually use what they know.
We're a small team backed by Y Combinator. Profitable, growing virally, and thousands of paying customers including PostHog, Browserbase, Gumloop, and more.
Why join
- We ship fast with a high bar for quality.
- Small team, large problem: the category we're building didn't exist a few years ago.
- Profitable and growing virally through word of mouth, not paid acquisition.
- Build software people actually love and use every day.
- Free lunch and dinners, competitive salary and equity.
- Flexible health coverage and 401K matching.
The Role
This is a senior individual contributor role for someone who can take a genuinely ambiguous problem, figure out what the team should build, and carry it through to production. You’ll work across the product and stack, make technical decisions that shape how we build beyond a single feature, and help raise the bar for the rest of the engineering team. We’re looking for someone who can see how the pieces fit together, make good calls without a lot of structure, and still stay close to the code.
What you'll do
- You’ll build across the product: web with React, Next.js, Prisma, and SWR; desktop with Electron and Swift; and mobile with React Native.
- Take on ambiguous problems, figure out the right approach, and ship them across the full stack.
- Set technical direction, not just execute it.
- Work on AI-powered workflows, search, transcription, automations, and performance.
- Raise the engineering bar through code review, mentorship, and shared tooling.
- Experiment with the latest AI models and help decide what's worth building.
- Work directly with the founders. No layers or handoffs.
You might be a good fit if
- You have 3-5+ years of experience shipping production software and owning real outcomes.
- You have strong product judgment and enjoy making decisions, not just implementing them.
- You think about systems, leverage, and long-term engineering quality.
- You're low ego, direct, and comfortable operating without much process.
- You're excited by how AI is changing both products and software engineering.
People who've done well here have often been former founders, early startup engineers, or engineers who've owned major systems end-to-end.
Circleback's standard text
Interview process
- Intro conversation (30 min)
- Technical interview (1 hour)
- Product-focused technical interview (1 hour)
- Paid two-day work trial in San Francisco
What this role asks for
In most of Circleback's ads
JavaScript · Next.js · React · React Native · Swift
Named in most of its open postings, whatever the role.
74% of this description is written for the role. The rest is Circleback's standard text, folded away below.
Compared with Circleback's other open jobs.
The team: Engineering HIRES STEADILY
This role is one of 9 open in Engineering. 1 was posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
React (9 of 9), React Native (9 of 9), JavaScript (8 of 9), Next.js (8 of 9), Swift (8 of 9)
OTHER ROLES ON THIS TEAM
- Growth Engineer posted Oct 27
- Design Engineer posted Aug 24
- Software Engineer posted Jul 13
- Senior Fullstack Engineer posted Jul 10
- Fullstack Engineer posted Jul 10
- Software Engineering Intern (Summer 2027) posted Jun 10
- Senior Product Engineer posted Mar 30
- Product Engineer posted Mar 30
From the team and dates on Circleback's own job board.
Salary context
381 other open postings titled Senior Software Engineer state a salary: median USD 160,000 to USD 230,000 a year.
See Software Engineer salaries in San Francisco →
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