Domain Specialist; Business+Data

Job Title :
Payment Domain Specialist (Business+Data)

Location :
San Jose, CA / Scottsdale, AZ

Full Time Role

Ensure the business semantics of payments—not just data structures—are preserved across the migration. This role bridges business logic, data integrity, and compliance.

• Define authoritative meanings for:
  • Authorizations
  • Captures
  • Settlements
  • Reversals
  • Refunds
  • Chargebacks
• Clarify lifecycle state machines and in variants.

• Define payment-specific:
  • CRUD contracts
  • Query expectations
  • Reconciliation in variants
• Validate idempotency requirements.

• Identify high-risk scenarios:
  • Partial failures
  • Duplicate messages
  • Retries
  • Reconciliation mismatches
• Validate that the new model supports these cases.

• Ensure auditability requirements are preserved:
  • Immutable records
  • Traceability
  • Reconciliation accuracy

• Participate in contract testing and workload replay validation.
• Sign off on domain readiness.

• 8–12+ years in payments domain (issuer, acquirer, processor, fintech)
• Deep understanding of:
  • Payment flows
  • Financial reconciliation
  • Idempotency and retry semantics
• Experience working with engineers and architects
• Strong data literacy (tables, joins, event flows)

• Payment domain data contracts
• Lifecycle state diagrams
• Reconciliation rules
• Edge case test scenarios
• Domain readiness certification

Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.