Full Stack Software Engineer (Frontend-leaning)
Caribou, London, England, GB
- Pay
- $80K–$100K / year
- Work type
- Not stated
- Level
- Not stated
- Area
- Software engineering
- Posted
- Aug 17, 2026
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About the role
About Caribou
International tax is a rigged system. Tax rules get ever more complicated, compliance gets more expensive, and the Big Four controls the expertise. They charge fees that only giant companies can afford, while smaller businesses are left flying blind.
Caribou is a tax platform designed to make international tax accessible to every global business. We're fixing Transfer Pricing first, where one million businesses are in need, but only ten thousand experts exist.
Our backers include Y Combinator, Accel, Lakestar and angel investors who were founders or executives of leading companies in London and San Francisco.
About the role
Transfer pricing is genuinely hard to understand. Our customers are finance leaders, not tax specialists. They need to see their intercompany structure, understand what the rules require of them, and act on it, without a Big Four partner sitting next to them translating.
**Making that legible is the hardest and most valuable product problem we have. It's an information design problem as much as an engineering one: dense, interlinked, jurisdiction-specific data that has to land as something a CFO can look at and immediately act on.**
We're looking for a full stack engineer with a real aptitude / spike in frontend and UI. You'll own how our product looks, feels and communicates, working directly with our CTO, our Lead Engineer and our in-house tax team. You'll go all the way down the stack when the feature needs it, but the frontend is where your craft shows.
Please note this role requires presence 2x a week in office, London or SF.
In this role, you will
- Turn genuinely complex tax concepts into interfaces that are obvious at a glance.
- Work directly with our tax team to shape requirements, then own features end to end, frontend through backend.
- Own and evolve our design system and component library so quality compounds rather than drifts.
- Build the data-dense views at the heart of the product: entity graphs, intercompany flows, compliance status, documentation.
- Keep a keen eye on the customer experience, proactively raise issues and deploy fixes.
- Ship quickly, and set the bar for what "shipped" means here.
What we're looking for
- 3+ years building production web applications, with the majority of that time in the frontend.
- Demonstrable UI craft. You notice spacing, hierarchy, motion and empty states, and you care when they're wrong. Show us something you've built.
- Experience presenting complex or data-heavy information clearly: dashboards, graphs, tables, workflows, editors.
- Comfortable across the stack. You can write the API and the migration behind your feature rather than waiting for someone else to.
- Strong SQL (Postgres): ORMs, queries, migrations, and knowing why a page is slow.
- Excellent communication. You can talk to a CFO, a tax specialist, understand what they actually mean, and turn it into a spec.
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Listed on Y Combinator's job board; checked 33 h ago. First seen by us 33 h ago. Being listed doesn't mean the team is actively interviewing.