Senior Frontend Engineer (React)

Senior Frontend Engineer (React)

Porto or Braga (On-site once every 2 weeks) | Mostly Remote

Full-time Freelance | 12 months

We're hiring a Senior Frontend Engineer for a long-term freelance project via Shakers, collaborating with an international IT consulting group specialized in complex enterprise platforms (insurance sector).

Responsibilities

• Build and maintain complex React web applications
• Develop reusable UI components
• Integrate REST APIs and microservices
• Contribute to UX and technical design decisions
• Ensure code quality through testing (Jest, React Testing Library)
• Work with Git and CI/CD workflows

Requirements

• 7+ years of frontend experience
• Strong React & modern JavaScript (ES6+)
• REST API integration experience
• Node.js ecosystem familiarity
• Fluent English and Portuguese

Nice to have:...