At IRIUM we want you to always chase your dreams. Here, prepare yourself to conquer your goals, while enjoying the journey. We are currently looking for **Senior Web Frontend Developer** **Requirements:** Profile Requirements 3\+ years of frontend development experience with ReactJS, Next.js, and Redux Proficiency in Node.js and experience integrating WebSocket or Server\-Sent Events (SSE) into frontend workflows Solid understanding of component\-based architecture and proven experience building and maintaining reusable UI components Strong experience with Server\-Driven UI (SDUI) design patterns and rendering dynamic UI from backend\-driven schemas Familiarity with chat prompt design patterns and conversational UI paradigms (e.g., AI assistant responses, user input formats, inline feedback) Understanding of accessibility standards and responsive design Experience working in Agile development environments with tools like Jira, Git, and CI/CD workflows. English \- **B2 with fluency** **Location:** Lisbon, Braga, or Coimbra – Hybrid What do we offer? An innovative and growing company, with a lot of opportunities for professional development. Retribution according to your experience and performance. Access to flexible pay and medical insurance as a social benefit. Unlimited access to technological training in free mode. IRIUM is a company with dynamic and proactive professionals. Our values ​​are responsibility and commitment to work quality. This is the spirit we are looking for at IRIUM, whatever your age is. If you recognize yourself in this, this is your company! We can build the future together. Let’s talk! At IRIUM we defend a world without stereotypes or limitations and we believe in equality for all, principles that we subscribe to in our Equality Plan and Code of Ethics, guaranteeing equal treatment and opportunities regardless of any personal, physical or social condition. Tipo de oferta: Integral/Full\-time