Senior Frontend Developer

Senior Frontend Developer
Portalegre
Portalegre, Portalegre District, Portugal

Senior Frontend Engineer (React & Type
Script)

Remote-friendly | Full-time - Direct Contract with the client | up to 11$ USD

At 1000 Farmers, we partner with international clients to design and build
- impact digital platforms used at scale. We're looking for a Senior Frontend Engineer to help craft modern, AI-enabled,
- driven interfaces, with strong attention to performance, scalability, and user experience.

In this role, 1000 Farmers is partnering closely with a global product team, supporting the development of a sophisticated platform used by distributed teams worldwide. You'll play a key role in shaping frontend architecture, leading technical decisions, and delivering
- grade React applications in
- world environments.

What You'll Work On

AI-Powered User Experiences

• Build AI-driven interfaces such as chat experiences, streaming responses, and intelligent UI components
• Implement AI-assisted features (auto-summaries, smart suggestions, contextual insights)
• Design intuitive UX patterns for AI-generated content and recommendations

Core Frontend Architecture

• Own and evolve React applications using Type
  Script and modern best practices
• Define scalable component architecture and contribute to design systems
• Establish robust state management and
  - fetching patterns
• Drive performance optimizations (lazy loading, code splitting, caching)

Data Visualization & Real-Time Features

• Build rich, interactive dashboards using Recharts, Nivo, or D3
• Implement
  - time UI updates via Web
  Sockets or SSE
• Design interactive timelines, analytics views, and
  - heavy interfaces

Platform & Saa
S Capabilities

• Contribute to
  - tenant Saa
  S architectures
• Implement
  - based rendering and
  - aware UI patterns
• Support integration management flows and configuration interfaces

Seniority & Impact

• Lead frontend technical decisions and establish best practices
• Mentor engineers and participate in code reviews
• Contribute to architectural discussions and product roadmaps
• Balance delivery speed with
  - term maintainability and quality

What We're Looking For

Technical Experience

• 5+ years of frontend development with React & Type
  Script
• Strong state management experience (Tan
  Stack Query, Zustand, Redux, or similar)
• Proven experience building complex,
  - heavy applications
• Solid testing practices for frontend applications
• Experience with AI/LLM-powered interfaces is a strong plus
• Accessibility (a11y) best practices

Engineering Standards

• Strict Type
  Script with full type safety
• Clean PR workflow and Conventional Commits
• ESLint-compliant codebase
• Strong test coverage for new features
• Well-documented, maintainable code

Ways of Working

• Comfortable using AI-assisted development tools
• Self-directed with a strong sense of ownership
• Clear,
  - friendly communication
• High standards for quality, UX, and engineering craft

Client Environment

• Location: Remote-friendly
• Type: Full-time
• Team: Small, senior,
  - focused engineering teams
• Culture: High autonomy, modern tooling, pragmatic delivery,
  - first mindset

NOTE: This opportunity is offered through a partnership between 1000 Farmers and an international technology platform, serving multiple clients.