Executive Summary

Senior Principal Solutions Architect & Lead Engineer with over 25 years of engineering leadership across high-throughput financial switches, national telecommunication platforms, enterprise governance systems, and mission-critical cloud infrastructure.

Proven track record delivering cornerstone technology across the Telkom Indonesia Group and state-owned enterprises (BUMN). Key accomplishments include engineering Telkom eRUPS (Electronic General Meeting of Shareholders with zero-downtime voting), Telkom Threat Map (real-time national cybersecurity attack telemetry), Data Center Monitoring Performance (DCMP), and architecting the high-availability Telkomsel Recharge Gateway using ISO 8583 protocol operating reliably with 99.99% uptime since 2003.

Polyglot engineering leader combining deep technical craftsmanship in Java Spring Boot, Python, Oracle, Linux systems, and distributed transaction switching with strong architectural governance, stakeholder management, and squad mentorship.

Professional Experience

Lead Programmer Analyst & Solutions Architect Nov 2018 - Present
PT. Sigma Cipta Caraka (Telkomsigma) - Telkom Indonesia Group
Indonesia's leading ICT Solutions and Services provider for Enterprise, Banking, and Government sectors.
  • Enterprise Supplier Management: Architected and developed the BUMN-grade Supplier Management System using Java Spring Boot and Oracle Database, automating vendor onboarding, procurement workflows, purchase orders, and supplier SLA performance tracking.
  • Telkom eRUPS (Shareholders General Meeting): Engineered the electronic voting, shareholder registry, and quorum calculation platform for PT Telkom Indonesia Tbk utilizing the Odoo ERP framework, customized Python modules, and PostgreSQL, ensuring zero-downtime, cryptographic auditability, and legal compliance during high-stakes annual shareholder assemblies.
  • Telkom Threat Map: Developed the real-time cybersecurity telemetry visualization platform monitoring DDoS and malicious exploit traffic traversing the Telkom national internet backbone.
  • Data Center Monitoring Performance (DCMP): Architected DCMP (dcmp.sigma.my.id) providing live sensor telemetry, power usage effectiveness (PUE), capacity forecasting, and proactive incident alerts across Tier-3/Tier-4 data centers.
  • DigiHotel PMS & FAB Payment Gateway: Architected the hospitality management ERP and integrated online payment gateway backend handling multi-channel settlement (QRIS, VA, Cards) and automated reconciliation.
  • IoT Vehicle Inspection & Supply Chain: Engineered Mybirawa TMS and MyDEFA for Telkom Property, replacing manual paper inspections with IoT telematics-backed vehicle and asset auditing.
  • Financial Compliance: Built the automated PSAK 71 financial asset impairment calculation engine for Bank Malut.
Odoo ERP Python Java Spring Boot Oracle DB PostgreSQL Vue.js FastAPI Microservices Docker Fintech
Senior Software Engineer & Systems Architect Dec 2012 - Oct 2018
PT. Parimas Hicindo Sentosa (LENCO Mobile Partner)
Multi-national partner specializing in high-volume multimedia messaging (MMS) and mobile VAS platforms.
  • Architected the multi-operator MMS Campaign Platform (MBuni MMS Gateway, PHP, QlikView), distributing millions of mobile coupons, QR codes, and secure mobile bank statements.
  • Engineered Zona Seru Telkomsel (zonaseru.com), a multi-channel digital application and content store serving high-throughput downloads across ODP, SMS, WAP, and Web.
  • Early Web3 Pioneer: Designed automated bot infrastructure on the STEEM Blockchain (steem.farinside.com) and Indocell (indocell.my.id), enabling automated crypto-to-telco airtime exchange.
  • Developed and published native/hybrid Android applications under 'Farinside Dev' on Google Play Store.
MMS Gateway PHP / MySQL Blockchain / Web3 Android Tools High-Concurrency Linux
Senior GIS Software Engineer Sep 2011 - Dec 2012
PT. Maxxima Innovative Engineering
Advanced spatial data and geographic information systems engineering firm.
  • Organized, engineered, and maintained enterprise GIS solutions for Mining Operations utilizing the ESRI ArcGIS suite (ArcMap, ArcGlobe, ArcView).
  • Integrated spatial databases with live mining vehicle tracking, concession mapping, and terrain modeling.
ESRI ArcGIS Spatial Databases Mining Solutions Python GIS
Senior Software Engineer & Payment Switching Specialist Oct 2003 - Aug 2011
PT. Bumi Kita Makmur
Pioneering transaction switching provider and telecommunication payment gateway operator.
  • Telkomsel Recharge Gateway: Architected and deployed the core Recharge Gateway for PT Telkomsel using the ISO 8583 financial switching protocol, ensuring continuous high-volume transactional uptime since late 2003.
  • Engineered Payment Point Online Bank (PPOB), core transaction routing, automated clearing, reconciliation engines, and real-time financial reporting.
  • Managed data center infrastructure, host-to-host bank switching links, cryptographic key rotation, and firewall hardening.
ISO 8583 Protocol Financial Switching MSSQL / IIS Reconciliation Engines PPOB
Software Engineer & Pioneer Web Technologist Jun 1999 - Jul 2003
PT Magna Multimedia Makmur | Catcha Corp | PT Telkom Indonesia Tbk
  • i-Trust Certification Authority: Built enterprise Public Key Infrastructure (PKI) and Certificate of Authority on Linux and OpenSSL with Smart Card authentication.
  • BUMN Online & Lemhannas: Developed executive information systems and secure encrypted communication portals for state ministries.
  • Early Telkom Internet: Developed web portal infrastructure for Telkom 147 customer service, Webchat, and community portals at Telkom Multimedia Division.

Selected Flagship Enterprise Projects

Supplier Management System
Telkomsigma / Enterprise BUMN
Enterprise supplier procurement, onboarding workflows, RFQ management, and performance scoring.
✓ 100% compliance with BUMN procurement governance and automated lifecycle tracking.
Java Spring Boot Oracle DB Microservices
Telkom eRUPS
PT Telkom Indonesia Tbk
Electronic General Meeting of Shareholders platform built on Odoo ERP framework with custom Python modules and PostgreSQL. Provides real-time voting, live streaming, and quorum validation.
✓ Zero-downtime execution and verified legal compliance during high-visibility public meetings.
Odoo ERP Python PostgreSQL Cryptography
Telkomsel ISO 8583 Gateway
PT Telkomsel / PT Bumi Kita Makmur
High-frequency national prepaid recharge gateway communicating over international ISO 8583 protocol.
✓ Millions of daily recharge transactions with 99.99% reliability operating continuously since 2003.
ISO 8583 Financial Switch MSSQL
Data Center Monitoring (DCMP)
Telkomsigma Data Centers • 2020 - 2021
Real-time operational monitoring suite for Tier-3/Tier-4 data centers with PUE, temperature, and server SLA telemetry.
✓ Proactive outage prevention via predictive capacity alarms and real-time dashboard analytics.
Python FastAPI TimescaleDB IoT Telemetry
Autorefill Telkomsel
PT Telkomsel / PT Bumi Kita Makmur • 2003 - 2011
Web-based electronic recharge and distributor stock monitoring workflow system (autorefill.plasa.com).
✓ Automated distributor stock allocation and nationwide prepaid airtime fulfillment.
IIS / ASP MSSQL Telco Recharge
Zona Seru Telkomsel
PT Telkomsel / PT Parimas Hicindo Sentosa • 2014 - 2015
Multi-channel app store and digital content portal across ODP, SMS, WAP, and Web (zonaseru.com).
✓ Millions of digital content & application downloads across Indonesian subscriber devices.
PHP / MySQL ODP / WAP SMS Gateway
BUMN Online
Kementerian BUMN RI / PT Magna Multimedia • 2001 - 2002
Executive Information System (EIS) and secure government portal featuring dynamic forms and encrypted mail (bumn-ri.com).
✓ Pioneered digital governance, secure forms, and public presence for state-owned enterprises.
PHP PostgreSQL OpenSSL / CA
Telkom Pioneer Portals (Plasa.com & 147)
PT Telkom Indonesia Tbk (Div. Multimedia) • 1999 - 2000
Foundational web portals: Telkom 147 Web Customer Service (telkom147.com), Plasa.com Webchat, Telkomania, and Lemhannas EIS.
✓ Pioneered online customer support and internet community platforms for Telkom Indonesia.
PHP / ASP PostgreSQL / MSSQL Perl / Apache

Professional References

Huda Pristiwanto
Head of Product Development
PT Sigma Cipta Caraka (Telkomsigma)
Kristanto Budi Rahardja
Head of VAS Content
PT Parimas Hicindo Sentosa
Email: [email protected] | Tel: +62 21 5209845
Imam Santoso
Manager E-Platform
PT Telkom Indonesia Tbk (Multimedia Div)
Email: [email protected] | Ext: 530
Suhartono
Manager Performance
PT Telkom Indonesia Tbk (Multimedia Div)