Senior/Staff Frontend Engineer, Next.js, JavaScript

• Own architectural decisions on complex Next.js applications
• Shape how the frontend scales, performs and gets tested
• Drive the architecture of large Next.js applications, including scaling within the App Router ecosystem
• Push a strong testing culture that keeps production reliable
• Build fast, reliable web products used by large audiences
• Work in a product-driven digital company building high-traffic, web-native platforms for a global audience
• Own decisions, impact and career growth in a highly autonomous, self-organized team

• 9+ years of professional software engineering experience, mainly on high-traffic, web-native products (SaaS, consumer web or large-scale digital platforms)
• Proven experience driving the architecture of complex Next.js applications (App Router, Next.js 13+)
• Deep understanding of rendering strategies: SSR, SSG, ISR and React Server Components (RSC), plus caching strategies
• Experience moving to or scaling within the App Router ecosystem
• Strong command of Vanilla JavaScript (ES6+), DOM manipulation and browser mechanics, and how the web works beneath the frameworks
• Hands-on focus on web performance: Core Web Vitals, SEO optimization and accessible, fast user interfaces
• A shift-left mindset with rigorous automated testing practices for production web apps
• Ownership, self-motivation and the ability to thrive in a self-organized environment
• Fluent English (written and spoken)

• 15th month salary
• Health insurance covering your family
• Birthday off
• Mobility program for digital nomads
• Real work-life balance