> Markdown version of [/jobs/ext/2718830-principal-typescript-javascript-developer](https://www.wearedevelopers.com/jobs/ext/2718830-principal-typescript-javascript-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal TypeScript/Javascript developer - **Company:** Palo Alto Networks - **Location:** United States - **Experience:** Experienced - **Salary:** $147,000.0 - $237,500.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Software Engineering, TypeScript, Web Applications, Backend, Information Technology, Front End Software Development, Golang - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/principal-typescript-javascript-developer-extension-platform-paloaltonetworks-com-8799627 ## About the Role * Develop, optimize, test, and maintain a high-performance Chrome extension. * Lead platform projects end-to-end, owning specific flows and delivering substantial product improvements. * Work closely with product management and customers to devise creative and innovative solutions to complex security challenges. * Serve as a technical leader, mentoring other engineers and improving the team's overall performance and best practices. * Identify areas for improvement within team processes and actively drive positive change through new initiatives or optimizations. * Collaborate with cross-functional teams to design, build, and optimize features.Requirements: * Education Requirement: All degrees must be in Engineering, Computer Science, or a closely related field. * Bachelor's degree with a minimum of 8 years of related experience; OR * Master's degree with a minimum of 6 years of related experience; OR * PhD with a minimum of 3 years of related experience; OR * Equivalent work experience. * 5+ years of experience in software development. * Strong proficiency in TypeScript and Javascript. * Good understanding of web application architecture, including frontend and backend. * Positive 'can-do' mindset, able to work independently and within a team. Preferred Qualifications: * Big advantage: Experience with Chrome Extensions. * Advantage: Experience with Go-lang. * Advantage: Experience with at least one frontend framework. ## Description We are looking for a talented TypeScript/Javascript Engineer to help shape and enhance our product. This person will play a pivotal role in developing a cutting-edge browser extension that serves as the core engine of our secure enterprise browser. Our engineers are key to building and maintaining robust, scalable solutions that power our cybersecurity platform. ## Related Videos - [Do TypeScript without TypeScript](https://www.wearedevelopers.com/videos/327-do-typescript-without-typescript) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Extensionator - Rise of the Chromium](https://www.wearedevelopers.com/videos/119-extensionator-rise-of-the-chromium) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [Exploring TypeScript: Benefits for Large-Scale JavaScript Projects](https://www.wearedevelopers.com/magazine/554-exploring-typescript-benefits-for-large-scale-javascript-projects) - [What is TypeScript?](https://www.wearedevelopers.com/magazine/47-what-is-typescript) - [8 Best Edge Extensions And Addons For Developers](https://www.wearedevelopers.com/magazine/205-8-best-edge-extensions-and-addons-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)