Senior Software Developer - Wise Platform

Wise Platform helps banks, software companies, and large enterprises use Wise's infrastructure to offer their customers cross-border payment products through our API. We're a cross-functional team across sales, implementation, product, engineering, compliance, and analytics, based in New York, London, and Singapore. We're looking for a Senior Backend Engineer to join our Partner Experience team in London.

The Partner Experience team builds and runs the systems that let enterprise partners go live faster and manage their day-to-day operations in one place. We own the Partner Portal (used by many big banks to manage transfers, report fraud, handle compliance requests, and manage their teams) and the backend services behind partner onboarding, permissions, and communication. Most of what we build is new.

There's no existing playbook for enterprise partner tooling at this scale, so you'll be designing systems from scratch more often than maintaining existing ones. How we work: We're a small team that ships frequently and iterates on real partner feedback. Engineers own features from technical discovery and design through to production support.

We work closely with our PM and designer to understand partner needs, and with adjacent teams (API Experience, Account Discovery, KYC, FinCrime) to pull their capabilities into the portal. We investigate before we build. That means managing ambiguity, understanding the existing systems, APIs and dependencies before writing code.

We keep pro