Frontend Developer

At Connect Digital, we don’t just deliver digital products; we create meaningful, user-centric experiences that make a real difference. With over 20 years of market experience, we combine deep strategic thinking, world-class design, and cutting-edge tech to help organisations accelerate their digital journey. Whether it’s launching platforms, designing seamless apps, or rethinking services from the ground up, we’re all about solving complex problems with smart, elegant solutions.

If you’re curious, ambitious, and ready to help shape the next generation of digital experiences, you’ll fit right in.

📍 Hybrid (Lisbon, Coimbra or Braga – 1 day per week onsite) | 🌍 Fluent English required

We are looking for a Senior Frontend Developer with strong expertise in React, Next.js, and modern frontend architectures to build high-performance, scalable, and user-centric web applications. The ideal candidate has deep experience in component-based design, state management, and advanced UI patterns such as Server-Driven UI (SDUI) and real-time communication.

This role follows a hybrid model (1 day per week on-site) in Lisbon, Braga, or Coimbra and requires fluent English and Portuguese.

• Design, develop, and maintain modern frontend applications using React, Next.js, and TypeScript.
• Implement server-side rendering (SSR) and optimize application performance.
• Build and maintain reusable UI components following component-based architecture.
• Integrate real-time communication using WebSocket and Server-Sent Events (SSE).
• Apply Server-Driven UI (SDUI) patterns to render dynamic UI from backend-driven schemas.
• Collaborate with backend, product, and design teams to ensure consistent and scalable solutions.
• Follow accessibility standards and responsive design best practices.
• Work within Agile environments, using tools such as Jira, Git, and CI/CD pipelines.

• 5+ years of frontend development experience with ReactJS and strong expertise in Redux.
• 2+ years of experience with Next.js and server-side rendering (SSR) concepts.
• Proficiency in Node.js.
• Hands-on experience integrating WebSocket and/or Server-Sent Events (SSE).
• Solid experience in component-based architecture and building reusable UI components.
• Strong experience with Server-Driven UI (SDUI) patterns.
• Familiarity with chat prompt design patterns and conversational UI paradigms (e.g., AI assistants, inline feedback, user input formats).
• Strong understanding of accessibility standards and responsive design.
• Experience working in Agile environments with Jira, Git, and CI/CD workflows.

• Portuguese: Fluent
• English: Fluent

• Hybrid – 1 day per week on-site
• Locations: Lisbon, Braga, or Coimbra