Support Engineer
Core
Own customer issues end-to-end for a card issuing and processing platform, debugging production behavior across authorizers, APIs, and webhooks to resolve complex financial transaction problems.
Role type
Senior IC support engineer (fintech payments platform)
Builds
Customer trust and platform reliability for fintech clients issuing cards and managing payments
Domain
Fintech, card issuing, payments infrastructure, developer platforms
Deliverable
client delivery
Required skills
Debugging in production environments, REST API and webhook troubleshooting, SQL/data warehouse querying, system behavior reasoning from first principles, technical writing for knowledge bases, independent ownership
Preferred skills
Experience in fintech or payments, familiarity with OpenAPI specs and JSON payloads, experience with AI coding assistants, experience building internal tooling
Technologies
Snowflake, dbt, Grafana, Loki, Retool, Metabase, Zendesk/Jira, Claude Code, Cursor
Responsibilities
Triage and resolve support tickets independently, debug production issues across card lifecycle and authorization, query data warehouses to trace transaction lifecycles, document resolutions in knowledge bases, create and update internal tooling, surface recurring failure patterns for product improvements
Seniority
Senior, hands-on IC