Senior Front-End Engineer - React & Web3 UX

Symbiotic; Lisboa; Presencial; EUR 55 000 - 90 000; Tempo integral

Resumo da oferta

Symbiotic, a leading onchain finance infrastructure company, seeks a highly skilled frontend engineer to shape user experiences for credential-rich dashboards and product surfaces. You will translate Figma designs into responsive components, implement blockchain wallet interactions, and collaborate with designers, product, and backend teams to deliver robust web applications at scale.

Strong focus on performance, type-safety, test coverage, and security will be essential as you contribute to

Qualificações

• Expert in modern React and TypeScript with strong component architecture.
• Production experience with Next.js, Vite, and monorepos.
• Deep understanding of state management (TanStack Query, Zustand) and type-safe design.
• Solid testing with Vitest and Playwright across unit, integration, and E2E tests.
• Experience with debugging and performance optimization using tooling like Sentry and bundle analysis.

Responsabilidades

• Participate in all phases of frontend development: requirements analysis, architecture and design, implementation, documentation, testing, and delivery.
• Build responsive and accessible user interfaces based on Figma designs.
• Prototype interfaces for testing mvps.
• Develop reusable components and maintain them in Storybook.
• Integrate new features into the existing codebase.
• Implement blockchain and wallet interactions.
• Design efficient approaches to client-side state management, server-state synchronization, caching, and error handling.
• Write unit, integration, and end-to-end tests.
• Monitor production issues and application performance using Sentry.
• Contribute to project estimation, planning, and technical decision-making.
• Review code written by other team members and help maintain engineering standards.
• Communicate effectively with engineers, designers, product stakeholders, and company partners.

Conhecimentos

React & TypeScript

Next.js

Vite

Monorepo

TanStack Query

Zustand

Chakra UI

Vitest

Playwright

Sentry

GitHub CI/CD

Docker

Kubernetes

wagmi/viem

Ferramentas

Next.js

Vite

pnpm

Storybook

Chakra UI

Descrição da oferta de emprego

Symbiotic, a leading onchain finance infrastructure company, seeks a highly skilled frontend engineer to shape user experiences for credential-rich dashboards and product surfaces. You will translate Figma designs into responsive components, implement blockchain wallet interactions, and collaborate with designers, product, and backend teams to deliver robust web applications at scale.

Strong focus on performance, type-safety, test coverage, and security will be essential as you contribute to