> Markdown version of [/jobs/ext/1931511-senior-frontend-engineer-hybrid-ext-js-react](https://www.wearedevelopers.com/jobs/ext/1931511-senior-frontend-engineer-hybrid-ext-js-react). 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).

---

# Senior Frontend Engineer - Hybrid (Ext Js + React)

- **Company:** Sage
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Ext JS, ReactJS, Front End Software Development
- **Published:** August 5, 2026
- **Apply:** https://www.buscojobs.com.es/senior-frontend-engineer-hybrid-ext-js-react-en-madrid-ID-365517351

## About the Role

The position requires at least 3 years of relevant experience and a passion for frontend development.

## Description

Sage is looking for a Senior Software Engineer with strong frontend expertise to join our Sage HCM engineering team in Barcelona.This hybrid role entails working three days a week at our office while contributing to ongoing projects with both Ext JS and React frameworks.You'll be responsible for delivering end-to-end features, collaborating across teams, and ensuring high code quality and performance.The position requires at least 3 years of relevant experience and a passion for frontend development.We offer numerous benefits including medical insurance, flexible working hours, and a strong focus on well-being.#J-*****-Ljbffr


## Related Videos

- [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs)
- [Fireside Chat with David Heinemeier Hansson](https://www.wearedevelopers.com/videos/980-fireside-chat-with-david-heinemeier-hansson)
- [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development)
- [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook)
- [Building the Right Product and Building It Right: A Glimpse into Extreme Programming, Atomic Design ](https://www.wearedevelopers.com/videos/398-building-the-right-product-and-building-it-right-a-glimpse-into-extreme-programming-atomic-design)
- [Why HTMX is crushing React, Vue & Svelte.](https://www.wearedevelopers.com/videos/978-why-htmx-is-crushing-react-vue-svelte)

## Related Articles

- [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025)
- [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)
- [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023)
- [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk)