Senior Backend Engineer

Build and maintain backend APIs.

• Design and update database schemas.
• Write SQL queries, migrations, and data scripts.
• Work with Supabase/Postgres or similar database platforms.
• Build import and export workflows.
• Build integrations with external systems and APIs.
• Handle webhooks, retries, idempotency, rate limits, and error handling.
• Build background jobs and automation workflows.
• Debug issues where data, numbers, or workflow state do not match.
• Add audit logs, traceability, and verification steps where needed.
• Write scripts for data cleanup, migration, validation, or reconciliation.