Location
madrid, kingdom of spain, Spain
Posted
July 19, 2026
Job Description
Complexio is building Stevie — an enterprise AI knowledge assistant that gives executives and operators a complete view of their organization through knowledge graphs. Our customers are large maritime shipping companies managing hundreds of vessels, thousands of daily emails, and complex commercial operations.We're looking for a Senior or Lead Frontend Engineer to own Stevie's frontend. The interface is the product — it determines whether enterprise customers trust the intelligence, get value quickly, and come back. You'll shape all of that.Why This RoleEnterprise AI UX is unsolved. You won't copy patterns — you'll create them. Citations from knowledge graphs, streaming AI responses that feel trustworthy, confidence indicators on operational intelligence.You own the full frontend. No separate frontend team. You are it — with real influence on product direction and architectural decisions.Flat org, real impact. Domain owners have authority. Engineering decisions are made by engineers, n...