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# Frontend Engineer

- **Company:** Doodle
- **Location:** Spain
- **Contract:** Permanent contract
- **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Application Performance Management, Cascading Style Sheets (CSS), EXEC (Scripting Language), Software Quality, Code Review, Continuous Integration, Next.js, Data Streaming, TypeScript, Web Usability, ReactJS, Production Code, Graphql, Front End Software Development, Api Management
- **Published:** August 11, 2026
- **Apply:** https://es.trabajo.org/oferta-4021-d96dcd7307b8b1003adf358f7204e99a

## About the Role

culture of technical excellence. Our Ideal Candidate We are looking for an engineer who sees the frontend as a critical platform for product delivery. - System-Level Thinking: 6+ years of frontend experience (4+ with React/TypeScript). You have designed, owned, and shipped complex, multi-system features that define the technical direction for a product area. - Performance Guru: Proven ability to diagnose and dramatically improve application performance under high load (browser runtime, network profiling). - Foundational Mastery: Expert-level understanding of Vanilla JavaScript, HTML, CSS, and browser APIs. You can write robust code without a framework and understand how React works under the hood. - Data Flow Mastery: Expert knowledge of GraphQL and Apollo Client. You prefer simple API contracts and know when to avoid unnecessary client-side complexity. - Communication: A track record of collaborating effectively with Product and UX/UI to translate business goals into high-impact
technical solutions. Hiring Process - Initial Application Review - Technical Interview (Based on Case Study) - Exec Interview - HR Interview (BRYQ Assessment) - Final Offer and Reference Check So, Get in Touch At Doodle, we're committed to providing an environment of mutual trust and respect, where equal employment opportunities (EEO) are available to all applicants and teammates without regard to age, race, color, disability, religion, gender and sexual orientation. Diversity and inclusion are of utmost importance to us. We're committed to building a team that represents a variety of backgrounds, perspectives and skills. The more inclusive we are, the better our work and our products will be. We want to hear from you, so please don't hesitate to apply IMPORTANT NOTICE: Please note that we can only consider your application if you are based and have the right to work in Spain. At this time, we are unable to sponsor visa for this position or support with
relocation.

## Description

modularity, consistency, and reusability across teams. - Performance Leadership: Own and enforce Core Web Vitals. You will optimize bundle sizes, build speeds, and asset delivery, while implementing advanced rendering techniques like React Server Components (RSC) within Next.js. - Data & State Strategy: Architect solutions for efficient, localized state. You will champion Local State and React Context as the primary tools, strictly minimizing external state libraries. For highly complex atomic state flows, you will leverage lightweight solutions like Jotai. You will also master the Apollo Client cache to handle API data fetching. - Developer Experience (DX): Act as the internal customer for the frontend platform. You'll improve CI/CD pipeline efficiency, enhance local development tooling, and ensure high-quality documentation. - Code Quality & Mentorship: Lead by example through rigorous code reviews. You'll enforce TypeScript best practices, mentoring mid-level engineers to foster a


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