Payment Operations Engineer at Caliza

Job Title:

Payment Operations Engineer

Employer:

Caliza
Job Type: Remote

Location:

United Kingdom
Salary/Rate:
Not Specified
UK Visa Sponsorship:
Not Available

• Serve as the technical point of contact for customers experiencing payment issues.
• Answer customer questions about APIs, failed webhooks, error codes and unexpected payment statuses.
• Trace payments across APIs, internal systems, ledgers, partner banks, payment rails and blockchains.
• Distinguish expected system behaviour from genuine bugs and distinguish confirmed issues to engineering with supporting evidence.
• Work with partner banks and payment providers to investigate payment issues, returns and recalls.
• Support compliance-related information requests concerning specific payments.
• Identify and tag root causes to support permanent issue resolution.
• Review new payment rails and corridors from an operational perspective before launch.
• Write SQL queries and scripts to automate repetitive tasks.
• Develop end-to-end knowledge of payment flows across traditional currencies and stable coins.
• Independently resolve most customer payment issues within three months.
• Manage customer payment investigations during working hours and provide regular updates until resolution.
• Document recurring issues by creating runbooks.
• Build at least one tool or automation that measurably reduces manual work.

• At least 3 years of experience in a technical, customer-facing role within fintech, payments, banking or an API-focused business.
• Experience in technical support, payment operations or implementation.
• Strong understanding of payment statuses, settlement, cutoffs, finality, returns and recalls.
• Ability to interpret JSON API requests, logs and webhooks.
• Working knowledge of SQL and scripting languages such as Python.
• Practical experience using AI tools for scripting, investigations or documentation, with the ability to verify their outputs.
• Strong analytical and methodical problem-solving skills.
• Clear, calm and effective customer communication.
• Ability to work autonomously and manage ambiguity in a fast-paced, remote startup.
• Professional proficiency in English.
• Legal authorization to work in the country of residence.
• Successful background checks, potentially covering criminal history, employment, education and sanctions screening.
• Visa sponsorship is not available.

• Familiarity with payment systems such as Fedwire, ACH, SPEI, SEPA or CNAPS.
• Experience working across multiple regions.
• Knowledge of ISO 20022 payment messages.
• Experience with stable coins, cryptocurrency wallets or blockchain explorers.
• Experience working with partner or sponsor banks.
• Familiarity with double-entry accounting and financial reconciliation.

• Health coverage may be available.
• Paid time off and holidays.
• Home office or equipment allowance.
• Professional development budget.
• In-person team offsites.
• International employment through an employer of record or contractor arrangements for candidates outside the US, subject to local laws and market practices.
• Reasonable accommodations during the hiring process.