Senior Frontend Engineer - Autonomous Cleaning Robots

About the role

LionsBot builds autonomous cleaning robots used in malls, airports, offices and factories across more than 30 countries. As a Senior Frontend Engineer you will build the interfaces people use to run the robots, joining a small team that ships fast and cares about how things are built.

Key responsibilities

• Build the interfaces people use to run the robots, on web, mobile and on the robot itself
• Turn designs into pixel-perfect screens
• Make live data feel live: robot state over WebSocket, dropped connections, stale data and offline states
• Keep it fast: load times, transitions and latency from robot event to pixel
• Build shared components and ship often with automated builds and small releases
• Prototype with design and product, then ship; raise the bar in code review

Required profile

• 5+ years building front ends, with apps taken all the way to production
• Experience building UI on top of live data from real devices
• Fast learner who adapts to new codebases and frameworks
• Attention to detail, shipping quality work quickly

Required skills

• Deep React and TypeScript
• Solid HTML, JavaScript/TypeScript and CSS
• APIs and real-time protocols such as WebSockets and WebRTC
• Flutter or Dart is a big plus, as is any mobile framework

Nice to have

• Robotics, IoT or connected-hardware experience (fleet dashboards, telemetry, device control)
• Mobile release process depth: staged rollouts, store review, hotfixes and rollbacks
• Embedded or kiosk-style UI, internationalisation, map and geospatial UI
• Design-system ownership, front-end testing and CI discipline, ROS, OpenRMF, MQTT