At a glance
- Pay
- $76k – $126k/yr
- Type
- Full Time
- Location
- London, GB
- Posted
- May 13, 2026
- Company size
- Startup (1-50)
- Industry
- Retail & E-commerce
About the role
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 backed by amazing people like LocalGlobe and Carmen Rico building the browser that works the way you do!
- 🥇 We became Product Hunt’s number 1product 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
- 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
About SigmaOS
SigmaOS
Retail & E-commerce · Startup (1-50)
Be first in line for the next SigmaOS role
Scoutify watches 70,000+ companies and alerts you the moment a matching job posts. It can even apply for you before the rush.