Front End Engineer Lisboa

Location: Remote or Hybrid in Lisbon, Portugal

Circuit
Leap is seeking an exceptional Front End Engineer to join our team and help shape the user experience of our groundbreaking AI‑powered analog design platform. You'll be at the forefront of creating intuitive, responsive, and visually stunning interfaces that make complex semiconductor design accessible to engineers worldwide.

Responsibilities

• Design and implement sophisticated, performant user interfaces using React, Tailwind CSS, and shadcn/ui components.
• Architect and maintain scalable state management solutions using Jotai and Redux for complex application flows.
• Collaborate with backend engineers to integrate RESTful APIs and ensure seamless data flow between frontend and Python‑based services.
• Optimize application performance, ensuring smooth interactions even with large‑scale circuit visualization and simulation data.
• Champion best practices in code quality, testing, accessibility, and responsive design.
• Contribute to full‑stack features when needed, leveraging Python for backend enhancements.

Required Qualifications

• 3+ years of professional experience in front‑end development with deep expertise in the React ecosystem.
• Mastery of modern React patterns including hooks, context, and performance optimization techniques.
• Proven experience with Tailwind CSS and component libraries like shadcn/ui for rapid UI development.
• Strong proficiency in state management using both Jotai (atomic state) and Redux (global state).
• Experience with Python and ability to work on full‑stack features when needed.
• Track record of building responsive, accessible web applications that work flawlessly across devices.

Preferred Qualifications

• Experience with data visualization libraries (D3. js, Three. js) for complex technical interfaces.
• Familiarity with Web
  GL, Canvas API, or other technologies for rendering circuit diagrams and simulations.
• Knowledge of Python web frameworks (Fast
  API, Django) and RESTful API design.
• Understanding of Web
  Sockets and real‑time data streaming for live simulation updates.
• Experience with testing frameworks (Jest, React Testing Library, Cypress).
• Background in EDA tools, semiconductor design, or technical/scientific applications is a plus.

Why Join Circuit
Leap?

• Work on cutting‑edge technology at the intersection of AI, GPU acceleration, and semiconductor design.
• Build interfaces that directly impact how engineers design the next generation of electronics.
• Join a passionate team that values innovation, technical excellence, and work‑life balance.
• Competitive compensation package with equity options in a high‑growth startup.
• Flexible work arrangements with options for remote work or hybrid in our Lisbon office.
• Opportunity to grow into technical leadership roles as we scale.

Apply Now

Ready to revolutionize analog design with us? Please complete our short application form below: