> Markdown version of [/jobs/ext/1687305-frontend-developer](https://www.wearedevelopers.com/jobs/ext/1687305-frontend-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). --- # Frontend developer - **Company:** Adaptive Financial Consulting - **Location:** Valencia, Spain - **Contract:** Permanent contract - **Skills:** HTML, Unit Testing, Cascading Style Sheets (CSS), TypeScript, Web Content Accessibility Guidelines, ReactJS, Backend, Webpack, Material UI, Build Tools, Front End Software Development, React Redux - **Published:** July 14, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role + Practical experience building production React applications using React, TypeScript, HTML, and CSS. + Experience with state management (Redux, Zustand, or similar) and modern frontend build tools (e.g., Vite). + Strong knowledge of testing practices, especially unit and component testing, including related concepts, strategies, and tools. + Good understanding of the DOM, responsive and mobile-first design best practices. + Interest in building secure, accessible, reliable, and maintainable frontend applications in a regulated product environment. + Fluent English (spoken and written); Spanish is a plus. ## Description + Design, implement, test, and ship production-grade React features that support core journeys (onboarding, account overview, key transactions) with a focus on reliability and user trust. + Contribute to shared frontend foundations, including component libraries, state management patterns, testing practices, and frontend quality standards. + Apply security, accessibility (WCAG), and regulatory requirements in your daily development work, following established team guidelines and review processes to maintain zero critical compliance issues. + Support improvements in sprint predictability and delivery quality by writing clear acceptance criteria, participating in quality checks, and improving observability where relevant. + Monitor frontend production health, own incident remediation, and implement long-term fixes to reduce recurrence. + Collaborate closely with Product, Design, Backend, Mobile, and QA to reduce ambiguity and deliver cohesive user experiences. + Participate in frontend chapter and guild activities by sharing learnings, documenting patterns, and contributing to adoption of agreed frontend practices. ## 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) - [Frontend Abstractions: Frameworks and Applications Architectural Patterns](https://www.wearedevelopers.com/videos/2066-frontend-abstractions-frameworks-and-applications-architectural-patterns) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [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) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [25 Essential Tools for Front End Developers](https://www.wearedevelopers.com/magazine/210-25-essential-tools-for-front-end-developers) - [Top 7 CSS Frameworks in 2025](https://www.wearedevelopers.com/magazine/362-top-7-css-frameworks-in-2025)