> Markdown version of [/jobs/ext/2786303-senior-frontend-engineer-hybrid-london-newcastle](https://www.wearedevelopers.com/jobs/ext/2786303-senior-frontend-engineer-hybrid-london-newcastle). 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 (London/Newcastle) - **Company:** Pentasia - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Performance Tuning, Secure Coding, TypeScript, Cloud Platform System, Backend, Front End Software Development - **Published:** September 8, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840623214-senior-frontend-engineer-hybrid-londonnewcastle ## About the Role A leading tech company in the UK is seeking an experienced Senior frontend developer to join their hybrid team. This role necessitates a deep understanding of JavaScript/TypeScript frameworks and the ability to integrate front-end applications with back-end services. Responsibilities include designing high-quality applications, mentoring team members, and driving technical initiatives. The ideal candidate should have solid experience in cloud environments, performance optimisation, and secure coding practices. #J-18808-Ljbffr ## Related Videos - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Do TypeScript without TypeScript](https://www.wearedevelopers.com/videos/327-do-typescript-without-typescript) - [How to Cause (or Prevent) a Massive Data Breach- Secure Coding and IDOR](https://www.wearedevelopers.com/videos/39-how-to-cause-or-prevent-a-massive-data-breach-secure-coding-and-idor) - [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development) - [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 - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development)