Project Archive

Production systems, real impact.

Enterprise systems in production — ERP cores, telecom microservices, digital wallets, and autonomous workflow orchestrators.

The Walawwa Hotel ERP System — Enterprise ERP
Enterprise ERP
LIVE_DEPLOYMENT
JavaSpring BootMySQL+2

The Walawwa Hotel ERP System

Custom ERP covering operations, HR, finance, inventory, and reservations with self-healing automation.

Stack

Java · Spring · MySQL

Scope

Full Hotel Ops

Status

Live & Active

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ProblemHotel group operating with fragmented manual systems across departments — no unified view of operations, billing, or inventory.

SolutionDesigned and maintain a custom ERP platform covering the full operational stack: reservations, F&B, inventory, HR, finance, and billing — with workflow automation to eliminate manual overhead.

Dialog Axiata Telecom Microservices — Microservices Architecture
Microservices Architecture
PRODUCTION
JavaSpring BootOracle DB+2

Dialog Axiata Telecom Microservices

Legacy DTE system migrated to a high-concurrency modern microservices architecture.

Stack

Spring · Oracle

Client

Dialog Axiata PLC

Impact

Zero Downtime Migration

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ProblemDialog Axiata's DTE legacy systems were tightly coupled, difficult to scale, and creating significant maintenance overhead across telecom infrastructure.

SolutionRebuilt the platform as a microservices architecture using Spring Boot with Oracle DB integrations. Optimized large-scale database queries and reduced coupling across service boundaries.

Digital Wallet & Payment Platform — Fintech & Payments
Fintech & Payments
LIVE
Spring BootReactPostgreSQL+2

Digital Wallet & Payment Platform

Production digital wallet with Airwallex API integration and microservices backend.

Stack

Spring · React · PG

Integration

Airwallex API

Status

Production

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ProblemClient needed a production-grade digital wallet solution with seamless payment rail integration and a resilient microservices backend.

SolutionBuilt a digital wallet using a microservices architecture with Airwallex API integration for payment processing. Covered the full SDLC from architecture design to deployment.

Fintech & E-Commerce Core Modules — Fintech & Commerce
Fintech & Commerce
LIVE
Spring BootReactPostgreSQL+1

Fintech & E-Commerce Core Modules

High-throughput backend modules for fintech and e-commerce platforms.

Stack

Spring · React · PG

Type

Fintech · Commerce

Status

Live

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ProblemMultiple client platforms required high-performance backend modules with consistent scalability, clean API design, and reliable integrations.

SolutionDeveloped a suite of fintech and e-commerce backend modules using Spring Boot, React, and PostgreSQL — covering APIs, UI/UX, and platform performance improvements.

Autonomous Workflow Orchestrator — Autonomous Systems
Autonomous Systems
INTERNAL
n8nNode.jsREST APIs+2

Autonomous Workflow Orchestrator

Node-based autonomous orchestration integrating AI agents, REST APIs, and event pipelines.

Stack

n8n · Node · AI

Type

Autonomous Workflows

Impact

Ops Efficiency

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ProblemOperations teams spending excessive manual effort on repetitive back-office tasks with no programmatic automation layer.

SolutionImplemented n8n and Agentic AI workflow automation pipelines integrating LLM agents, REST APIs, and data sources — automating document triage, purchasing, and system anomaly alerts.

Engagement & Consultation

Ready to architect your next operational leap?

I take on a select number of enterprise and frontier engagements per quarter — autonomous systems architecture, Agentic AI pipelines, enterprise ERP, and post-quantum cryptographic security.

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