Senior Front End Engineer

About the team

The AI Platform team sits at the center of Spare’s product. We own the shared services every Spare product depends on, along with Nutshell, Spare’s design system. The systems we support serve millions of AI voice calls every year and help tens of thousands of people get where they need to go.

The user interfaces we build are used heavily by transit agencies around the world: dispatchers watching live vehicles, planners modelling a season of service, schedulers building driver shifts for the month ahead. Dense screens, long shifts, and real consequences when something is hard to use.

You’d be joining a cross-functional team of developers, a product manager, and designers, doing customer-facing work with real human impact.

About the role

The way software gets built is changing. Developers at Spare aren’t waiting on someone else’s spec. They’re talking to customers, making design decisions, and owning problems from discovery through a shipped solution. AI has dramatically expanded what a single developer can deliver, and this team leans into that.

As a Senior Frontend Engineer, you’d turn the Design team’s direction into the product people actually use. You’d own the techni