Senior Frontend Engineer
Jinba.io, Tokyo
About the job
About the role
Senior frontend engineer who will own core product surfaces of Jinba's workflow automation platform. You'll build the interfaces where enterprise users create, visualize, and manage complex automations through natural language. This role is for someone who thrives on hard UI problems: real-time collaboration, canvas-based editors, and making AI feel predictable and trustworthy.
Responsibilities
- Build and own major product surfaces: workflow editor, execution monitoring, integration configuration
- Architect frontend systems that scale with product complexity and team growth
- Implement complex interactions: drag-and-drop, canvas manipulation, real-time updates
- Collaborate with design to ship polished, production-ready interfaces
- Improve developer experience: component patterns, testing strategies, build performance
- Mentor engineers and establish frontend best practices as the team grows
Requirements
Technical skills
- 5+ years of frontend engineering experience
- Expert-level React and TypeScript
- Deep understanding of state management patterns and when to apply them