Infrastructure Engineer transitioning from telecom automation to payment systems.

Infrastructure engineer with production experience in high-availability telecom systems (60K+ devices, 99.9% uptime). Now applying distributed systems expertise to payment infrastructure—settlement engines, multi-currency ledgers, and cross-border payment rails.

Cross-border remittance platform | Active development

End-to-end remittance application: FX conversion, compliance screening, ISO 20022 messaging, real-time tracking. Built on TigerBeetle for atomic multi-currency settlement.

Tech: Go · PostgreSQL · Redis · TigerBeetle
Features: 9-state transaction flow, OFAC screening, FX rate locking, WebSocket updates, admin dashboard

Settlement engine | Planned

HTLC-based atomic settlement inspired by BIS Project Icebreaker and mBridge. Designed to replace TigerBeetle dependency in corridor with custom-built ledger engine.

Tech: Zig · Go
Scope: Storage engine, WAL, HTLC state machine, multi-ledger coordination

Financial primitives for Zig | Research

COBOL-compatible data types for modern systems. COMP-3 packed decimals, EBCDIC codec, mainframe file I/O. Enables processing legacy bank data formats with exact precision.

Tech: Zig
Use case: Settlement file processing, batch reconciliation, mainframe integration
Context: 43% of banking systems globally still run COBOL

Software Engineer | Network Automation
2022 - Present

Production automation for fiber networks: 60K+ ONUs, 310+ OLT devices. Built provisioning systems, monitoring dashboards, incident platform.

Tech: TypeScript · Go · Redis · PostgreSQL
Scale: 99.9% uptime, real-time telemetry, legacy API integration

Backend/infrastructure roles in payment systems. Singapore · Remote · Open to relocation.

Email: rickyraihan83@gmail.com
LinkedIn: linkedin.com/in/rickyraz
Location: Jakarta, Indonesia

_{All projects are learning exercises. I write about challenges and decisions as I go. Quality over features.}