Caliza - Payment Operations Engineer
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. • A solid understanding of how payments work: statuses, settlement, cutoffs, finality, returns and recalls. Experience with any major rail is fine; we'll teach you ours. • Comfort reading JSON API requests, logs and webhooks. • Working SQL, and some scripting in Python or similar. • Hands-on experience using AI tools in your daily work, for scripting, investigation or documentation, with the judgment to check what they produce. • A methodical approach to investigations: you form hypotheses and check them, rather than guessing. • Clear, calm communication with customers, especially when the full answer isn't known yet. • Comfort with high autonomy and ambiguity in a fast-moving, remote startup. • Hands-on experience with any of our rails: Fedwire, ACH, SPEI, SEPA (SCT and SCT Inst) or CNAPS. Experience across more than one region is a strong plus. • Familiarity with ISO 20022 payment messages (e.g. pacs.002, pacs.004, camt.053, camt.056). • Experience with stablecoins, crypto wallets or block explorers. • Experience working with partner or sponsor banks on investigations. • Familiarity with double-entry accounting and reconciliation. • We use AI tools every day and expect you to as well, for scripting, investigation and documentation alike. You own what you produce with them: you check it, understand it, and stand behind it. Because we handle customer and payment data, we follow clear rules about which data can go into which tools.
Responsibilities
• Be the technical point of contact for customers with payment problems, especially when the answer isn't obvious. • Answer technical API questions from live customers, such as failed webhooks, error codes or unexpected payment statuses. Helping new customers integrate before launch is handled separately by engineering. • Trace payments across our API, internal systems, ledger, partner banks, rails and blockchain to find where things stand and what happens next. • Tell expected behavior from a real bug, and escalate to engineering with clear evidence when it's a bug. • Work with partner banks and providers on investigations, returns and recalls. • Support compliance with information requests about specific payments. • Tag the root cause of each issue so we can fix the most common ones for good. • Review new rails and corridors before launch, bringing an operational view of how they'll fail. • Write SQL queries and scripts to automate repetitive work.
Benefits
• Benefits vary by country of employment and may include health coverage, paid time off and holidays, a home office or equipment allowance, a professional development budget, and 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. • Equal opportunity and other disclosures
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