> Markdown version of [/jobs/ext/1925385-front-end-developer-react-modern-javascript-esc-edv-clearance](https://www.wearedevelopers.com/jobs/ext/1925385-front-end-developer-react-modern-javascript-esc-edv-clearance). 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 (React/Modern JavaScript) - eSC/eDV Clearance - **Company:** IBM - **Location:** Hursley, UK - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Amazon Web Services, HTML5, Microsoft Azure, Browser Compatibility, Cascading Style Sheets (CSS), Cloud Computing, Continuous Integration, Software Debugging, DevOps, Design of User Interfaces, Mobile Application Software, Node.Js, Performance Tuning, Ui Patterns, Next.js, Responsive Web Design, Strategies of Testing, Web Application Frameworks, Web Usability, ReactJS, Backend, Git, Vue.js, Git Flow, Material UI, Performance Monitor, Front End Software Development, Software Version Control - **Published:** August 5, 2026 - **Apply:** https://jobs.theguardian.com/job/10166850/front-end-developer-react-modern-javascript-esc-edv-clearance/ ## About the Role Bachelor's Degree Required technical and professional expertise * Strong JavaScript, HTML5, CSS3 development * Experience with modern frameworks (React, Vue.js, Next.js) * Understanding of responsive design, accessibility, and usability best practices * Experience with component libraries, design systems, and UI/UX collaboration * Strong debugging, testing, and performance optimisation skills * Experience with Git and Git-based workflows * Understanding of API integration and backend collaboration * Knowledge of front-end testing (unit, integration, E2E) * Familiarity with CI/CD and DevOps workflows * Strong communication and problem-solving ability * Optional depending on level: * Experience leading teams or acting as technical lead * Experience defining architecture, standards, or best practices * Understanding of cloud-native environments (AWS, Azure) * Exposure to Node.js or Next.js server-side concepts * Consulting or client-facing experience This role is subject to pre-employment screening in line with the UK Government's Baseline Personnel Security Standard (BPSS). An additional range of Personal Security Controls referred to as National Security Vetting (NVS) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). Preferred technical and professional experience * Experience building and maintaining design systems or enterprise-scale component libraries * Exposure to performance monitoring and optimisation tooling (e.g. Lighthouse, Web Vitals) * Experience working in regulated or high-assurance environments (e.g. Public Sector, Financial Services) * Familiarity with server-side rendering and edge delivery patterns (e.g. Next.js, SSR, static optimisation) * Experience collaborating in multi-disciplinary, client-facing delivery teams, including participation in workshops or discovery phases, Being an IBMer means you'll be able to learn and develop yourself and your career, you'll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background. Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do. Are you ready to be an IBMer? ## Description The Front-End Application Developer is responsible for designing, developing, and supporting modern user interfaces for web and mobile applications. The role involves translating UI/UX designs into responsive, accessible, and performant front-end experiences using modern JavaScript frameworks. Depending on experience, responsibilities may also include leading front-end delivery, defining architecture, setting engineering standards, mentoring developers, and engaging with stakeholders and clients., * Develop high-quality, responsive, and accessible front-end interfaces using modern JavaScript frameworks. * Translate UI/UX designs into functional user experiences, ensuring cross-browser compatibility and adherence to brand and design guidelines. * Collaborate with designers, backend engineers, QA, DevOps, and other team members to deliver end-to-end solutions. * Build reusable components, UI patterns, and maintain clean, well-structured code. * Conduct testing, debugging, and performance optimisation to ensure a smooth user experience. * Participate in requirements analysis, providing front-end input to design and solution discussions. * Contribute to CI/CD processes and version control workflows using Git-based tooling. * Stay current with emerging front-end technologies and apply them appropriately. * Depending on experience: * Lead front-end development on complex projects and define architecture and coding standards. * Guide development workflows, testing strategies, and release processes. * Mentor junior and mid-level developers and support their technical and consulting development. * Communicate technical decisions, trade-offs, and solution approaches to stakeholders and clients. * Influence planning, technical strategy, or account-level delivery decisions., IBM wants you to bring your whole self to work and for you this might mean the ability to work flexibly. If you are interested in a flexible working pattern, please talk to our recruitment team to find out if this is possible in the current working environment. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)