Fintech Integration & Revenue Infrastructure

Production engineering work delivered across commercial banking integrations, multi-provider insurance APIs, and automated revenue-collection systems servicing high-concurrency enterprise workloads.

ROLE: SOFTWARE DEVELOPER•PERIOD: JUNE 2025 – AUGUST 2026

PRIVATE ENTERPRISE DEPLOYMENT // PROPRIETARY IP

01 // CONTEXT & MANDATE

High-Reliability Financial Transaction Processing

Compumetrics builds enterprise and public-sector platforms that depend on bulletproof backend services, third-party API integrations, and continuous production support. My mandate encompassed architecture contributions, transaction reconciliation engines, asynchronous webhook handling, and comprehensive OpenAPI documentation.

02 // COMMERCIAL BANKING RAILS

Banking Integrations: FCMB + PremiumTrust

Integrated commercial banking partners to support dynamic virtual account issuance and direct settlement transaction flows used by production products.

[✓]Virtual account creation & account number generation

[✓]Third-party commercial bank API integration (FCMB & PremiumTrust)

[✓]Webhook listener with cryptographic signature verification

[✓]Asynchronous transaction synchronization & ledger reconciliation

[✓]Strict payload validation & schema boundary defense

[✓]Real-time operator transaction reporting dashboards

[✓]Comprehensive OpenAPI / Swagger contract documentation

03 // PROVIDER AGGREGATION

Unified Insurance API Aggregator

Designed and implemented an aggregation layer so products could interact with 7 major insurance underwriters through a single normalized interface rather than brittle one-off integrations.

INTEGRATED UNDERWRITING PROVIDERS:

CoronationUnitrustRexTangerineLinkageHeirsAnchor

[✓]Unified multi-insurer API aggregation gateway

[✓]Per-provider OAuth2 & token lifecycle management

[✓]Normalized policy issuance & claim filing interfaces

[✓]Resilient fallback routing for carrier downtime

04 // REVENUE ORCHESTRATION

Bank Split Advisory API

Engineered revenue-allocation and transaction-routing capabilities so multi-stakeholder municipal collections could be processed securely with automatic fee split calculations.

[✓]Automated multi-stakeholder split fee allocation

[✓]Deterministic transaction routing & disbursement queues

[✓]AES-256 payload encryption & audit logging

[✓]Zero-reconciliation-leakage ledger transactions

PRODUCTION ENGINEERING STACK:

Node.jsTypeScriptREST APIsRedisPostgreSQLWebhooksDockerSwagger/OpenAPI

HAVE A SIMILAR INTEGRATION CHALLENGE?

Let's design and ship your financial API infrastructure.

Available for fintech architecture advisory, webhook hardening, and banking rail integrations.

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