Job Description: About the position We are looking for a Senior Web Developer with solid experience in React and Next.js to develop modern, scalable, and high-performance applications. The ideal candidate for this role has mastery of key JavaScript ecosystem technologies, strong front-end architecture skills, sound engineering practices, and proven experience in complex projects. You will join a highly technical team and collaborate with product, UX/UI, and backend teams to deliver robust, reusable solutions aligned with industry best practices. Responsibilities: * Develop modern, performant, and responsive interfaces using React and Next.js * Participate in front-end architecture decisions, proposing scalable technical solutions * Create reusable and well-documented components following best practices * Work with SSR, SSG, and advanced Next.js optimizations * Maintain clean, testable, and well-structured code * Collaborate with cross-functional teams (product, UX, backend) * Conduct code reviews and mentor junior and mid-level developers * Ensure application quality, security, and performance * Participate in sprint planning and contribute technical estimates Required Qualifications: * Solid experience with React.js * Advanced experience with Next.js (SSR, SSG, ISR, performance optimizations) * Proficiency in JavaScript and TypeScript * Experience with CSS Modules, Styled Components, Tailwind, or similar * Consumption of REST or GraphQL APIs * Knowledge of testing frameworks (Jest, React Testing Library, or similar) * Experience with version control tools (Git) * Mastery of best practices: Clean Code, SOLID, accessibility, performance * Proven experience in large-scale or highly complex projects Nice-to-Have (not required): * Experience with Liferay (DXP, Portal, front-end modules) * Knowledge of containers (Docker) * Experience with CI/CD (GitHub Actions, GitLab CI, Jenkins, etc.) * Experience with micro frontends * Familiarity with Agile / Scrum * Experience with cloud platforms (AWS, GCP, or Azure) Job Details: * Hybrid work model * Contract type: PJ (individual contractor) Benefits: * Paid leave of 30 days * Totalpass * Well-being program * Telemedicine service * Benefits clubs * Birthday day off 2512070202191910093