Full Stack Engineer

**Company Description** UX Agency is a digital product agency focused on building high\-performance web and mobile applications. We work on client and internal products, prioritizing clean architecture, scalability, and long\-term maintainability. Performance and structure are non\-negotiable. **Who we are looking for** * Mid to Senior Fullstack Developer * Strong JavaScript fundamentals * Proven experience across frontend, mobile, and backend * Comfortable working in a hybrid model **Role Description** This is a primarily hybrid role. You will work across **frontend, mobile, and backend** , developing and maintaining scalable applications. The role requires autonomy, solid technical judgment, and consistent collaboration with the team. **Responsabilities** * Implement **web, mobile, and backend** features from validated designs. * Develop and maintain frontend logic, backend services, and APIs. * Integrate applications with databases and third\-party services. * Ensure performance, scalability, and code quality. * Debug, test, and maintain systems end\-to\-end. * Collaborate with designers and product to execute defined specs. **Required Stack** * **Frontend:** JavaScript/TypeScript, React, Next.js, Tailwind CSS, MUI * **Mobile:** React Native (preferred), Flutter * **Backend:** Node.js, REST APIs, PostgreSQL * **General:** Git, SQL, clean architecture fundamentals **Nice to Have** * Headless CMS (Strapi or similar) * WordPress (custom theme development, Gutenberg) * PHP (Laravel) * Cloud platforms (AWS, GCP)