Payment Operations Engineer
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Job Description
Payment Operations Engineer investigating customer payment issues across fiat rails, stablecoins, banks and blockchains. Supporting Caliza’s cross-border commercial banking infrastructure platform.
Responsibilities:
- Serve as the technical point of contact for customers with payment problems
- Answer technical API questions from live customers, including failed webhooks, error codes and unexpected payment statuses
- Trace payments across the API, internal systems, ledger, partner banks, payment rails and blockchains
- Determine expected behavior versus genuine bugs and escalate confirmed bugs to engineering with clear evidence
- Work with partner banks and providers on investigations, returns and recalls
- Support compliance with information requests about specific payments
- Tag issue root causes to enable permanent fixes
- Review new payment rails and corridors before launch from an operational perspective
- Write SQL queries and scripts to automate repetitive work
- Learn payment flows end to end across fiat rails and stablecoins
- Handle most customer payment issues independently within three months
- Own customer payment investigations during working hours and keep customers informed through resolution
- Write runbooks for recurring issues
- Build at least one tool or automation that measurably reduces manual work
Requirements:
- 3+ years in a technical, customer-facing role at a fintech, payments company, bank or API-first business, such as technical support, payment operations or implementation
- Solid understanding of payment statuses, settlement, cutoffs, finality, returns and recalls
- Comfort reading JSON API requests, logs and webhooks
- Working SQL and some scripting in Python or similar
- Hands-on experience using AI tools in daily work for scripting, investigation or documentation, with judgment to check their output
- Methodical approach to investigations, forming and checking hypotheses
- Clear, calm communication with customers
- Comfort with high autonomy and ambiguity in a fast-moving, remote startup
- Professional English required
- Must be authorized to work in country of residence
- Visa sponsorship is not available
- Background check may include criminal history, employment and education verification, and sanctions screening
- Nice to have: experience with Fedwire, ACH, SPEI, SEPA or CNAPS; experience across more than one region; familiarity with ISO 20022 payment messages; experience with stablecoins, crypto wallets or block explorers; experience with partner or sponsor banks; familiarity with double-entry accounting and reconciliation
Benefits:
- Benefits may include health coverage
- Paid time off and holidays
- Home office or equipment allowance
- Professional development budget
- In-person team offsites
- Candidates based outside the US may be employed through an employer of record or engaged as contractors, with pay and benefits structured to local law and market practice
- Reasonable accommodations during the hiring process
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