Founding AI Frontend Developer Lisboa

Founding AI Frontend Developer
Lisboa
Lisboa, Lisboa, Portugal

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About the role:

We are seeking a talented frontend developer to join our team as a founding member, focusing on rapidly developing and deploying dynamic user interfaces for products built on our custom
- agent system stack. This role involves creating intuitive, responsive, and powerful interfaces that enable users to interact seamlessly with our AI systems. The ideal candidate will have expertise in modern frontend development, UI/UX design principles, and experience with
- time web applications and AI-powered interfaces.

• Design and implement intuitive, responsive interfaces that effectively visualize complex AI agent interactions and workflows
• Develop and optimize React/Java
  Script applications that support AI-driven user experiences
• Rapidly prototype and iterate on UIs based on user feedback and evolving product requirements
• Work closely with our AI engineering team to ensure frontend components effectively leverage our
  - agent system capabilities
• Create reusable UI components and establish frontend architecture patterns for future development
• Implement
  - time data visualization and interaction patterns that help users understand and control AI agent behaviors
• Ensure high performance, accessibility, and
  - browser compatibility of all user interfaces
• Contribute to the overall product vision and help define the user experience of our
  - agent systems

Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, Web Development, Design, or related field
• 3+ years of experience in frontend development with a strong portfolio demonstrating expertise in React, Type
  Script, Java
  Script, Vue, or similar modern frontend frameworks
• Experience with state management libraries (Redux, Mob
  X, Zustand), responsive web design, and building complex interactive user interfaces
• Strong understanding of UI/UX design principles, HTML5, CSS3, and best practices for AI-driven applications
• Familiarity with Web
  Socket, Graph
  QL, REST APIs or similar technologies for
  - time data handling
• Experience with data visualization libraries (D3. js, Chart. js, Three. js, etc. )
• Knowledge of frontend build tools and workflows (Webpack, Vite, npm, yarn)
• Strong
  - solving skills and ability to work in a
  - paced startup environment
• Excellent communication skills and ability to collaborate with
  - functional teams
• Passion for AI technologies, LLMs, and
  - AI interaction paradigms

About the hiring process:

• Video interview with hiring manager
• Take-home project
• Presentation of
  - home project to panel
• Interview with
  - founders

Compensation & Benefits:

• Competitive salary and equity stake for role and stage of company
• Commensurate with experience

Seniority level:

• Mid-Senior level

Employment type:

• Full-time

Job function:

• Engineering and Information Technology