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Compensation
$75,500–$126,000/year
Job Description
## **TL;DR**
- Build **Chrome extensions system for WebKit** in Swift
- Salary **£60-100k** in salary and **£60-100k in EMI stock options**
- Get great benefits and work from an open space office!
## **Who are we?**
🚀 We are a [YC company](https://www.ycombinator.com/companies/sigmaos) backed by amazing people like [LocalGlobe](https://localglobe.vc/) and [Carmen Rico](https://twitter.com/calfonsorico) building the browser that **works the way you do**!
🥇 We became [Product Hunt’s **number 1**](http://sigmaos.com/product-hunt) **product of day, week and month!**
❤️ We are a community focused startup that openly builds with all our users who send us feedback and talk to us on our [community](https://sigmaos.com/community)
## **Does this sound like you?**
🤩 Likes to work on fun and interesting products
🧐 Takes ownership of their tasks
🔊 Always communicates when there is an issue or a need
## **Requirements**
- 3+ years industry / startup experience
- Experience with SwiftUI
- Experience with JavaScript
- Experience with iOS / iPadOS / macOS development
## **Bonus points**
- Experience with WebKit
- Chrome extension API
- Experience with AppKit
- Experience with Xcode instruments
- Experience with GCP / AWS
- Experience with PostgreSQL
## **What would you be doing?**
Alongside your incredible team you’ll work on building a browser where people will have a delightful experience while working on it.
Build how a browser in 2022 should feel and look like, while smashing any nasty bugs that try to creep in.
Work alongside your team to build out and maintain our **Chrome extension API** that we built for **WebKit.** All of Chrome’s extensions in a Safari engine!
But that’s not all, make **cross device syncing** a seamless and delightful experience for every SigmaOS user.
Finally take charge on making sure SigmaOS’s performance always outperforms the competition!
## **Show me the money**
We do our best to compensate everyone fairly, therefore we offer choice of stock options vs salary and additional equity on top of your base salary
💰 **£60,000-100,000** in **base salary**
💸 **£60,000-100,000** in **EMI stock options scheme**
## **Perks**
🏥 **Private Healthcare included**
🏡 **£1000 for your set up**
💻 **MacBook Pro for work**
📚 **£200 per month for mental health, gym, online courses & more**
🤰**Generous maternity, paternity, and peternity leave**
Interview Process
So wanna be part of building the future of the workOS? Well, apply now! We have a pretty straight forward process with no fuss: 1. **15 min introductory chat**: You'll have a chat with Mahyad (CEO) or Ali (CPO) where we get to tell you more about SigmaOS and meet you for the first time. 2. **60 min Technical chat:** You’ll be pair programming with Saurav (CTO) on a language agnostic challenge 🧑💻 3. **45 min Team/Culture fit chat:** You'll have a chat with Mahyad (CEO) or Ali (CPO) to get a feel for each others vibes and if we're a great team/culture fit for each other - it's a two way street! 4. **Come and work with us for one day**: The best way to figure out if we can work together is by actually working together. You’ll get to meet the rest of the team and work closely with your potential future colleagues on SigmaOS related work! **You will be paid for the one day** 😊 5. **Make the offer:** Finally after a reference check from both sides, we will also provide references obviously, if all is good and well we will contact you with our offer! 😊 Have any questions? Email us at [[email protected]](mailto:[email protected])Optimize Your Resume for This Job
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Job Details
- Posted
- Mar 24, 2026, 04:52 PM
- Listed
- Mar 24, 2026, 04:52 PM
- Compensation
- $75,500 - $126,000 per year
About SigmaOS
Part of the growing space & AI ecosystem pushing the frontiers of technology.
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