Implementation Engineer
Core
Own customer integrations from contract signature to production launch, debugging and validating implementations for fintechs and financial services companies.
Role type
Senior IC Implementation Engineer (API/Fintech)
Builds
Customer integrations for payment initiation, account data, verification, and underwriting across UK Open Banking and PSD2
Domain
Fintech, Open Banking, Payments
Required skills
REST APIs, OAuth, webhooks, JSON, web/mobile SDKs, SQL, API documentation, Postman, curl, technical project ownership, written communication
Preferred skills
Open banking (PSD2/PSD3, AIS/PIS, VRP), payments/identity/underwriting domain, software engineering background, mobile integrations, second European language
Technologies
REST, OAuth, JSON, SQL, Postman, curl
Responsibilities
Own customer integrations from signature to production launch; Run scheduled implementation support and one-off debugging; Lead technical onboarding for new products/markets; Debug integration issues hands-on; Validate sandbox implementations and run go-live checks; Produce written handovers and reusable resources; Escalate recurring failures to Product/Engineering
