> Markdown version of [/jobs/ext/2247876-front-end-developer-secure-mission-critical-web-apps](https://www.wearedevelopers.com/jobs/ext/2247876-front-end-developer-secure-mission-critical-web-apps). 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). --- # Front-End Developer - Secure, Mission-Critical Web Apps - **Company:** Anson McCade - **Location:** Greater London, UK - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Secure Coding, Web Applications, Build Management, Front End Software Development - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815157202-front-end-developer-secure-mission-critical-web-apps ## About the Role A leading digital consultancy in the UK is seeking a Front-End Developer to join its national security practice. In this role, you will design and build high-performance web applications and collaborate closely with UX designers and product teams. The ideal candidate will have over 3 years of experience in front-end development, a strong understanding of secure coding practices, and be motivated by complex challenges in secure environments. This position offers flexible working arrangements and comprehensive benefits. #J-18808-Ljbffr ## Description A leading digital consultancy in the UK is seeking a Front-End Developer to join its national security practice. In this role, you will design and build high-performance web applications and collaborate closely with UX designers and product teams. The ideal candidate will have over 3 years of experience in front-end development, a strong understanding of secure coding practices, and be motivated by complex challenges in secure environments. This position offers flexible working arrangements and comprehensive benefits. ## Related Videos - [Front-End Micro Apps](https://www.wearedevelopers.com/videos/130-front-end-micro-apps) - [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) - [Generate AI in the Browser with Chrome AI - Raymond Camden](https://www.wearedevelopers.com/videos/1770-generate-ai-in-the-browser-with-chrome-ai-raymond-camden) - [Answering the Million Dollar Question: Why did I Break Production?](https://www.wearedevelopers.com/videos/1171-answering-the-million-dollar-question-why-did-i-break-production) - [Security in modern Web Applications - OWASP to the rescue!](https://www.wearedevelopers.com/videos/724-security-in-modern-web-applications-owasp-to-the-rescue) - [How GitHub secures open source](https://www.wearedevelopers.com/videos/1450-how-github-secures-open-source) ## Related Articles - [What is a web developer?](https://www.wearedevelopers.com/magazine/18-what-is-a-web-developer) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities)