Empresa:
Shakers
Descrição da Função
Senior Frontend Engineer (React + TypeScript) - Freelance Hybrid Porto or Lisbon EV Tech
We're hiring a Senior Frontend Engineer to join a fast-growing EV charging scale-up building user-facing platforms that power thousands of chargers across Europe. You'll own complex web apps that drive core business workflows: authentication, payments, charger management.
This is a freelance role through Shakers, the platform connecting top tech freelancers with high-impact projects across Europe. We handle contracting, payments and admin so you focus on shipping.
What you'll do
- Build and scale sophisticated React 18+ apps in TypeScript
- Own end-to-end user journeys (auth, payments, charger flows)
- Influence frontend architecture decisions: state, routing, performance, observability
- Integrate with microservices via gRPC/REST
- Champion testing, monitoring (Sentry) and CI/CD best practices
- Collaborate closely with product, design, backend and ops
Must-have
- 6-8 years building production-grade frontend apps
- Strong React 18+ and TypeScript
- Hands-on with TanStack Query, TanStack Router, React Hook Form
- Solid testing chops: Jest/Vitest + Cypress/Playwright
- gRPC/REST integration with microservices
- Observability mindset (Sentry or similar)
Why this project You'll ship features that real users touch every day across a European EV network growing at scale. High autonomy, strong product/design partners, and a stack built for speed and reliability.
Interested? Drop your CV and daily rate.
Observações
Lisboa (Portugal)