Haryanto
IT Systems Integrator
An Indonesia-based IT Systems Integrator helping businesses design, build, and maintain end‑to‑end digital solutions: from networks and infrastructure to POS, E‑Commerce, and custom web & mobile applications.
20+ years
Integrating systems across retail, hospitality, and healthcare.
End‑to‑end
From on‑premise infrastructure to cloud applications.
System Topology
Core
Business Applications
Channels
Web & Mobile
Customer portals, E‑Commerce, dashboards.
Infrastructure
Network & Security
LAN/WAN, CCTV, backup, multi‑site.
Status
Systems integrated • Real‑time reporting
From discovery and architecture to implementation and long‑term support, I help companies design systems that actually work together.
Systems • Software • Infrastructure
Design and integrate POS, E‑Commerce, ERP, HRIS, and custom apps into a single, coherent ecosystem – with fewer manual steps and more reliable data.
Retail • Hospitality • Healthcare • Multi‑site businesses
Build tailored web dashboards, admin panels, and mobile‑styled applications that connect directly to your existing systems and data.
CodeIgniter • REST APIs • Flutter (front‑end integration)
Design, deploy, and maintain LAN/WAN, VPN, CCTV, backup strategy, and endpoint protection across multi‑location environments.
On‑premise • Cloud • Hybrid setups
Battle‑tested products and solution templates that can be adapted to your business and integrated with your existing systems.
POS • E‑Commerce • F&B • Enterprise
Multi‑branch POS with centralized reporting, stock control, and role‑based access for your head office and outlets.
End‑to‑end solution for restaurants and food courts, including ordering, kitchen display, cashless tenant settlement, and reporting.
Customizable online store with integration to your POS, warehouse, and back‑office systems.
Integration of hospital or enterprise systems with billing, labs, finance, and external platforms.
Some anonymized examples of projects I've worked on to protect client privacy while still showing real outcomes.
Retail • Healthcare • F&B
RC Retail Chain • 30+ Stores
Integrated multiple legacy POS systems into a single, centralized reporting platform, enabling real‑time monitoring of sales, stock, and margins across the entire network.
Result: faster month‑end closing and better purchasing decisions.
HG Hospital Group
Helped design and implement integrations between hospital information systems, billing, and reporting to give management a clearer view of operations and finance.
Result: fewer manual reconciliations and improved transparency.
FC Food Court
Built a cashless system for a multi‑tenant food court, handling top‑up, ordering, settlement, and detailed tenant reporting.
Result: faster operations and clearer revenue breakdown per tenant.
A simple, transparent process designed for busy owners and management teams — from first conversation to long‑term support.
Discover
Assessment & alignment
Understand your business model, existing systems, and bottlenecks.
Design
Architecture & roadmap
Map out integrations, data flows, and project phases.
Build
Implementation & integration
Develop, connect, and validate each component in your environment.
Evolve
Support & improvement
Monitor, maintain, and keep evolving as your business grows.
Tell me how your business runs today and where your systems are holding you back. I'll review your message personally and come back with a concrete proposal — including architecture ideas, rough timelines, and next steps you can act on.