Senior Payments Infrastructure Engineer — Crypto, Wallets & Blockchain
Jobgether · Posted Nov 10, 2026
- Austin, Texas, United States
- Full-time · Senior
- 8+ years
Take hands-on ownership of an existing payments backend and drive it through integration, testing, and production deployment for a global digital platform for football fans.
Compensation
Once funding is secured, the arrangement is intended to transition to a competitive, normalized salary, together with equity and OleX token ownership.
Responsibilities
- Take ownership of the existing payments backend, understand its architecture and codebase, and complete integration, testing, and production deployment.
- Complete and optimize payment processing, settlement, reconciliation, and balance-accounting functionality.
- Develop and maintain reliable financial ledger systems, ensuring transaction consistency, auditability, idempotency, and accurate double-entry accounting.
- Integrate and manage digital wallets and cryptocurrency payment flows, including deposits, withdrawals, transfers, transaction signing, and secure key management.
- Implement and maintain institutional custody integrations, particularly Fireblocks or comparable platforms, covering wallet administration, custody APIs, transaction authorization, and security policies.
Requirements
- Nice to have: Fireblocks
- Nice to have: TigerBeetle
- Nice to have: Solana
- Nice to have: SPL token integrations
- Nice to have: Cryptocurrency exchanges