Payment Protocol Specialist

ISO 8583 Payment Protocol Expert

10+ years of hands-on experience building payment systems using ISO 8583 financial messaging standard. From message parsing to multi-acquirer integrations, I architect solutions that power millions of transactions daily.

ISO 8583:1987 ISO 8583:1993 ISO 8583:2003 PIN Block Encryption HSM Integration

15+

Acquirer Integrations

10K+

TPS Capacity

<50ms

Avg Latency

99.99%

Uptime

Core ISO 8583 Expertise

Message Parsing & Construction

Expert in building ISO 8583 message parsers supporting all versions (1987, 1993, 2003) with custom field definitions

Bitmap Handling

Deep expertise in primary and secondary bitmap manipulation, data element configuration, and field validation

MTI Processing

Comprehensive knowledge of Message Type Indicators for authorization, financial, reversal, and network management messages

Multi-Acquirer Integration

Experience integrating with 15+ acquiring banks and payment processors using ISO 8583 variants

HSM Integration

Secure key management and cryptographic operations for PIN blocks, MAC generation, and CVV validation

Performance Optimization

Built systems processing 10,000+ TPS with sub-50ms latency for ISO 8583 message handling

Technical Capabilities

Message Types I Work With

0100/0110 - Authorization Request/Response
0200/0210 - Financial Request/Response
0400/0410 - Reversal Request/Response
0800/0810 - Network Management
0420/0430 - Reversal Advice

Technologies & Tools

Java jPOS Kotlin Netty Thales HSM Safenet Redis Kafka

Need an ISO 8583 Expert?

Whether you're building a new payment gateway, integrating with acquirers, or optimizing existing ISO 8583 implementations, I can help.

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