Ogy Tirta PerdanaBased in Indonesia

Digital Product Builder

Turning operational problems into working digital products.

System analysis, product architecture, and full-stack delivery—from the first process map to a product people can use.

05Selected products
02In production
03In development

Selected digital products

Production systems and products currently taking shape.

Products doing real work.

Production credibility without exposing operational data. These diagrams communicate the product boundary and integration story safely.

01Production

People Resource Integrated System Management

PRISMA

Product architecture · sanitized view
Shared foundationPRISMA Identity Core

Organization · People · Access

OrganizationEmployeeRole & Account
API-first integration layer

Central organizational and identity foundation used by internal applications.

RoleSystem Analyst / Full-Stack Developer
ContributionOne shared source for organization structure, people, access, and service identity.
Organization hierarchyPosition & employee managementAccount & role managementAuthentication & authorizationShared service identityAPI-first integration
02Production

Next Executive Agenda

NEXA

Product flow · sanitized view
WorkspaceAdmin
Scheduling productNEXAAgenda · Participants · Location
ExperienceMobile PWA
PRISMA identityNotifications

Executive scheduling product integrated with the shared PRISMA identity service.

RoleSystem Designer / Full-Stack Developer
ContributionA focused agenda workflow spanning administration, mobile access, participants, and notifications.
Executive agenda managementCalendar & participantsLocation & confirmationNotification workflowAdmin interfaceMobile PWA

Products taking shape.

Current interfaces, defined product direction, and honest milestone status—without presenting work in progress as finished production.

03In Development

Corporate Digital Platform

KTMBS Corporate Website

A public-facing corporate experience supported by a purpose-built content platform.

Role
Lead Developer / System Architect
Focus
The strongest visual showcase in this portfolio, combining public storytelling with an independent CMS architecture.
Corporate profileBusiness portfolioGovernanceNews & publicationsCustom CMSPublishing workflow
KTMBS corporate website homepage interface
Homepage
KTMBS corporate website business portfolio interface
Business
KTMBS corporate website governance interface
Governance
KTMBS corporate website information interface
Information
04In Development
Himpunara association management product concept across desktop and mobile
Product Preview · In Development

SaaS Product

Himpunara

Association management product designed to centralize members, fees, digital identity, communication, and reporting.

RoleProduct Owner / System Designer / Full-Stack Developer
Member managementMembership feesCashflow recordsDigital membership card
05In Development
Ruang Pustaka digital product catalog interface
Catalog UI · In Development

Digital Commerce Product

Ruang Pustaka

A digital product catalog designed to grow into a complete purchase and personal-library experience.

RoleFull-Stack Developer
Digital product catalogCategory navigationAuthenticationPurchase history

From ambiguity to delivery.

The work spans product thinking and implementation, keeping decisions connected from business process to deployment.

01Business Process Mapping

Translate operational workflows, actors, decisions, and pain points into a shared process model before a technical solution is designed.

02System Analysis

Turn business needs into clear system boundaries, functional requirements, roles, rules, and delivery priorities.

03Data Modeling

Define entities, relationships, ownership, validation, and lifecycle rules that keep product data consistent and useful.

04API Architecture

Design stable and secure contracts for communication between interfaces, services, and external systems.

05Backend Development

Build application rules, persistence, authentication, authorization, integrations, and reliable API delivery.

06Frontend Development

Create responsive, accessible interfaces that turn product workflows into clear and usable experiences.

07Integration

Connect products and services through explicit contracts while keeping identity, data, and failure handling predictable.

08Deployment

Prepare build, environment, container, proxy, and delivery configuration so products can run consistently beyond local development.

Milestones, not arbitrary percentages.

Each product is represented by concrete delivery states so production and in-development work stay unambiguous.

ProductMilestoneStatus
PRISMACore organization platformProduction
Shared identity serviceProduction
Internal application integrationProduction
NEXAAgenda administrationProduction
Mobile PWAProduction
PRISMA identity integrationProduction
KTMBS Corporate WebsitePublic homepageDone
Business & governance UIDone
Backend & CMSIn Progress
Publishing workflowIn Progress
HimpunaraProduct concept & core scopeDone
System architectureDone
Product developmentIn Progress
Production readinessPlanned
Ruang PustakaProduct catalog UIDone
Product discoveryDone
Purchase flow & libraryIn Progress
AdministrationIn Progress

Practical tools for durable products.

Frontend

React · Next.js · Vite · PWA

Backend

Node.js · TypeScript · Express

Data

MongoDB · Mongoose

Architecture

REST API · RBAC · Modular Monolith · Multi-Tenant Direction

Delivery

Docker · Linux · Caddy · Cloudflare