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# Frontend Engineer

- **Company:** Infinni Infinni
- **Location:** Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, HTML, JavaScript (Programming Language), Multitier Architecture, Proxy Servers, Software Applications, User Authentication, Cascading Style Sheets (CSS), Software Quality, Computer Networks, Digital Rendering, Software Debugging, Node.Js, Software Tools, Next.js, Systems Integration, TypeScript, Web Application Frameworks, WebSocket, Data Logging, Application Enhancement Tool, ReactJS, Backend, Vue.js, Material UI, Front End Software Development
- **Published:** August 15, 2026
- **Apply:** https://es.trabajo.org/oferta-4112-6d83dc65f449a3604e5a5114500811c0

## About the Role

software engineering fundamentals with a focus on clean architecture, maintainable code, and long-term scalability Strong ownership mindset with the ability to independently drive complex technical initiatives from design through production Passion for leveraging AI-powered tools and workflows to improve development speed, software quality, and engineering productivity Strong communication, collaboration, and problem-solving skills with the ability to work effectively across cross-functional and distributed teams Nice to Have Experience developing browser extensions or Chromium-based applications Experience establishing engineering standards, technical documentation, or frontend best practices Experience with Node.js and modern backend frameworks Familiarity with desktop application security, operating system internals, or low-level system integration Experience working in international or distributed engineering teams Experience in high-growth startups or product-focused engineering

## Description

practices within the team What We're Looking For Core Qualifications 5+ years of professional experience in frontend software development 3+ years of experience designing and building frontend architectures for complex applications Strong expertise in HTML, CSS/SCSS, JavaScript, TypeScript, and modern frontend frameworks such as React, Next.js, or Vue Solid understanding of Electron architecture, including the main process, renderer process, IPC communication, and desktop application lifecycle Hands-on experience implementing network request interception, modification, logging, and debugging within Electron applications Strong understanding of networking concepts, including HTTP, WebSocket, proxies, authentication, and browser networking Excellent debugging and troubleshooting skills across browser, Electron, and operating system layers Proven experience designing and building high-performance frontend architectures, reusable component libraries, or foundational engineering tools Strong