2024 · project
Lead Full Stack Engineer
Enterprise Commerce Initiatives
Architected Toko Cung — a high-integrity POS and inventory platform spanning FIFO costing, wholesale, and analytics.
Senior Full Stack Engineer · Available Worldwide
Building Enterprise Software That Solves Real Business Problems
Senior Full Stack Engineer specializing in Enterprise Systems, Digital Transformation, AI Automation, Cloud Architecture, and Modern Web Applications.
8+
Years Experience
20+
Projects Delivered
Enterprise
Scale Systems
Millions
of Transactions
Prefer deep dives? Read the Toko Cung case study.
About
Engineering that earns executive trust
I design and ship production systems for organizations that cannot afford downtime, guesswork, or fragile architecture. My work sits at the intersection of product clarity, system design, and measurable business outcomes.
Tech philosophy
Software should reduce operational drag, protect data integrity, and scale with the business — not just look modern. I prioritize clear contracts, observable systems, and interfaces people actually trust.
Clarity over cleverness
Readable architecture and intentional abstractions beat clever one-liners every time.
Business-first engineering
Every technical decision maps back to throughput, reliability, cost, or user time saved.
Enterprise resilience
Audit trails, permissions, and failure modes are first-class concerns — not afterthoughts.
Crafted interfaces
Internal tools deserve the same polish as consumer products. Trust is designed.
Tech Stack
Tools chosen for reliability and leverage
A curated stack for enterprise systems — not a laundry list. Every layer is selected for clarity, maintainability, and production readiness.
Frontend
4React
Component systems & design systems
Next.js
App Router, SSR, edge-ready apps
Flutter
Cross-platform enterprise mobile
Tailwind
High-velocity UI systems
Backend
3NestJS
Modular APIs & domain services
Laravel
Robust business backends
Node.js
Event-driven services & tooling
Database
3PostgreSQL
Relational integrity at scale
MySQL
Transactional workloads
SQL Server
Enterprise data platforms
Cloud
4Docker
Portable deployment units
GCP
Cloud-native infrastructure
Nginx
Edge routing & reverse proxy
Cloudflare
CDN, WAF, zero-trust edges
AI
3OpenAI
LLM workflows & assistants
Claude
Agentic reasoning systems
Cursor
AI-native development loops
Automation
1Automation
Ops pipelines & workflow engines
Featured Projects
Case studies, not screenshots
Each engagement is documented as an engineering narrative — problem framing, architecture, contribution, and measurable outcomes.
Toko Cung
Enterprise Commerce2024
Toko Cung
A full enterprise retail operating system covering POS, inventory, wholesale, analytics, price scraping, and FIFO costing — built for high-volume transactional integrity.
Enterprise POSInventorySalesWholesaleAnalytics
HSES
Industrial Digitalization2023
HSES
A safety and operations digitalization platform spanning hazard reports, OSM, inspections, commissioning workflows, dashboards, and mobile field support.
DigitalizationHazard ReportOSMInspectionCommissioning
KIMPER
Identity & Access2023
KIMPER
An enterprise identity and licensing system with Excel import, Compass integration, access matrices, and API-driven entitlement workflows.
Identity ManagementLicense ManagementImport ExcelCompass IntegrationAccess Matrix
One Apps
Case Study Preview
One Apps
Enterprise vehicle booking with approval workflows
Workplace Mobility2022
One Apps
A Flutter mobile application and backend API for enterprise vehicle booking with multi-level approval workflows and operational oversight.
Vehicle BookingMobile ApplicationEnterprise BookingApproval WorkflowFlutter
TarasKop
Case Study Preview
TarasKop
Cinema platform for booking, membership, and operations
Entertainment Platform2021
TarasKop
A cinema platform covering ticketing, membership, and an admin dashboard for day-to-day venue operations.
Cinema PlatformBookingMembershipAdmin Dashboard
Architecture
How I Design Systems
A pragmatic enterprise topology — clear boundaries, observable flows, and interfaces that scale with the business.
MicroserviceFrontendBackendDatabaseCloudAPIAuthenticationStorageQueueMonitoring
Timeline
Career, projects, and milestones
An interactive history of delivery — from early platforms to enterprise-scale systems.
2023 · career
Digital Transformation Engineer
Industrial & Enterprise Clients
Delivered HSES digitalization and KIMPER identity/licensing platforms for multi-department enterprise use.
2022 · project
Mobile + API Systems
Workplace Platforms
Shipped One Apps vehicle booking with Flutter clients and multi-level approval workflows.
2021 · project
Platform Engineer
Consumer & Venue Products
Built TarasKop cinema booking, membership, and admin operations into a cohesive product surface.
2018–Present · achievement
8+ Years Shipping Production Systems
Career Milestone
From early web platforms to enterprise-scale transaction systems — continuously owning delivery from architecture to UI.
Ongoing · achievement
AI-Augmented Delivery
Engineering Practice
Integrating OpenAI, Claude, and Cursor into development and product automation loops without sacrificing engineering rigor.
Skills
Experience levels, not vanity percentages
Capability signaled by depth of ownership — Expert ships architectures, Advanced owns features end-to-end, Intermediate contributes confidently.
System Architecture
ExpertEngineering
Next.js / React
ExpertFrontend
NestJS / Node.js
ExpertBackend
PostgreSQL / SQL Design
ExpertData
Enterprise Workflows
ExpertDomain
Laravel
AdvancedBackend
Flutter
AdvancedMobile
Cloud & DevOps
AdvancedInfrastructure
AI Automation
AdvancedAI
Product UX for Ops Tools
AdvancedDesign
Observability
IntermediateInfrastructure
Data Pipelines
IntermediateData
Testimonials
Trusted by technical leaders
Feedback from CTOs, engineering managers, and product leads who needed systems that hold up under real operational pressure.
RO
A. Prasetyo
CTO · Retail Operations Group
“Sony translates messy operational reality into software leadership can trust. The POS and inventory work didn’t just ship — it changed how we run the business.”
IS
M. Handayani
Engineering Manager · Industrial Safety Systems
“Rare combination of domain empathy and architectural discipline. HSES felt like a product, not an internal tool hacked together under pressure.”
ES
R. Wijaya
Head of IT · Enterprise Services
“KIMPER finally gave us governable identity and licensing. Clean APIs, clear matrices, and zero drama during rollout.”
WM
S. Nugraha
Product Lead · Workplace Mobility
“The One Apps booking experience was polished enough for executives and robust enough for ops. Approvals just work.”
Contact
Let's build something that lasts
Open to senior engagements, enterprise rebuilds, and product engineering partnerships.