Services / Custom Web Applications

Mission-Critical Platforms Engineered for Scale

Enterprise Web Applications That Unify Operations and Drive Revenue. ARSA delivers custom web applications architected for the demands of modern enterprise: real-time performance, multi-tenant security, seamless integration with legacy systems, and the flexibility to evolve as your business scales.

~/projects/ enterprise-dashboard ● modified
React FastAPI PostgreSQL
FRONTEND_RENDER
Analytics Dashboard
ACTIVE_USERS
2,847
↑ 12.5%
REVENUE
$94.2K
↑ 8.3%
CONVERSION
3.4%
↓ 2.1%
Performance Metrics
Last 7 days
STATUS
USER
VALUE
user_2847
$234
user_1903
$189
user_4521
$445
user_3298
$312
user_1567
$198
BACKEND_API
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
from fastapi import FastAPI
from models import Dashboard
app = FastAPI()
@app.get("/api/metrics")
async def get_metrics():
data = await Dashboard.query()
return {
"users": data.active_count,
"revenue": data.total_revenue,
"conversion": data.conv_rate
}
# Real-time WebSocket endpoint
@app.websocket("/ws")
async def websocket_endpoint(websocket):
await websocket.accept()
while True:
data = await websocket.receive_text()
await websocket.send_text(data)
# Database connection
async def connect_db():
return await Database.connect()
API_RESPONSE ● 200 OK
{
"status": "success",
"data": {
"users": 2847,
"revenue": 94200
}
}
PostgreSQL ● CONNECTED
24ms latency
Build: Success
Tests: 47/47 passed
Deploy: Ready

Strategic Context

Why Enterprise Web Projects Fail

Organizations face a difficult choice: buy inflexible SaaS platforms that force operational compromises, or build custom solutions that spiral into multi-year projects exceeding budgets by 200%. ARSA’s approach eliminates this false choice, delivering custom web platforms with the polish and reliability of commercial software, architected precisely to your operational workflows.

OUR EXPERTISE

Web Application Categories We Engineer

From internal command centers to revenue-generating platforms, we architect custom web solutions that transform operations and drive measurable business outcomes across every critical business function.

 

01
Operations Dashboard

Enterprise Operations Platforms

Internal command & control systems that unify fragmented business processes into single-pane-of-glass platforms, eliminating data silos and accelerating decision-making.

  • Real-time dashboards aggregating multi-source data
  • Workflow automation & approval engines
  • Role-based access with audit trails
  • Mobile-responsive & offline-first design
02
Customer Portal

Customer-Facing Digital Platforms

Revenue-generating web applications that build direct relationships with customers, partners, and stakeholders through sophisticated digital experiences.

  • High-performance React/Vue interfaces
  • E-commerce & payment integration
  • Personalization & recommendation engines
  • SEO optimization & PWA capabilities
03
Analytics Platform

Data & Analytics Platforms

Intelligence systems that transform raw data into actionable insights through custom analytics platforms designed for your unique KPIs and decision processes.

  • Real-time data streaming & processing
  • Custom visualization dashboards
  • Predictive analytics & ML integration
  • Alert systems & automated reporting
04
API Gateway
{ }

Integration & API Platforms

Digital infrastructure that connects disparate systems—enabling data flow, process orchestration, and ecosystem integration across your technology landscape.

  • RESTful & GraphQL API development
  • Webhook & event-driven architectures
  • Authentication & authorization frameworks
  • API gateway & monitoring dashboards

TECHNOLOGY STACK

ARSA Web Technology Stack: Enterprise-Grade Foundations

Battle-tested technologies architected for scale, security, and performance. Our full-stack expertise spans modern frontend frameworks, high-performance backend systems, and enterprise database platforms.

 

Frontend

Modern UI Frameworks

React.js + TypeScript
Component-based architecture for complex UIs
CORE
Vue.js + Composition API
Progressive framework for rapid development
CORE
Next.js / Nuxt.js
Server-side rendering & static generation
SSR
Tailwind CSS
Utility-first CSS framework
STYLING
Progressive Web Apps
Offline capability & native features
PWA

Backend

High-Performance APIs

FastAPI (Python)
High-performance async framework
CORE
Flask + SQLAlchemy
Flexible microframework
CORE
Laravel (PHP)
Full-featured enterprise framework
CORE
Node.js + Express
Event-driven architecture
REALTIME
Django REST Framework
Batteries-included framework
ENTERPRISE

Database

Enterprise Data Systems

PostgreSQL
Advanced relational database
CORE
MongoDB
Document-oriented NoSQL
CORE
Microsoft SQL Server
Enterprise-grade RDBMS
CORE
Redis (Caching)
In-memory data store
CACHE
ElasticSearch
Search & analytics engine
SEARCH

DELIVERY METHODOLOGY

Development Process: From Vision to Production

Our agile development methodology transforms complex requirements into production-ready applications through iterative sprints, continuous stakeholder feedback, and transparent progress tracking.

01

Discovery & Requirements

🕐 1-2 weeks

Comprehensive stakeholder workshops, user journey mapping, and technical requirements gathering to establish project scope and success metrics.

Stakeholder Interviews
User Journey Mapping
Technical Requirements
Competitive Analysis
DELIVERABLE
Comprehensive Requirements Document & Project Roadmap
02

UX/UI Design

🕑 2-3 weeks

Wireframing, interactive prototypes, and visual design systems validated through user testing before a single line of code is written.

Wireframing
Visual Design System
Interactive Prototypes
User Testing
DELIVERABLE
Complete Design Specifications & Clickable Prototype
03

Iterative Development

🕕 6-12 weeks

Agile 2-week sprints with bi-weekly demos, continuous stakeholder feedback, and automated testing ensuring quality at every stage.

Agile Sprints (2 weeks)
Feature Development
Continuous Integration
Bi-weekly Demos
DELIVERABLE
Functional Application Modules in Staging Environment
04

Integration & Testing

🕗 2-4 weeks

Rigorous system integration, security testing, performance optimization, and comprehensive user acceptance testing before production deployment.

System Integration
Security Testing
Performance Optimization
UAT (User Acceptance)
DELIVERABLE
Production-Ready Application with Test Reports
05

Deployment & Training

🕙 1-2 weeks

Seamless production deployment with zero-downtime strategies, comprehensive user training, and detailed documentation for long-term maintenance.

🚀
Production Deployment
User Training
Documentation Delivery
Go-Live Support
DELIVERABLE
Live Application with Trained Users & Documentation

Case Study Highlights

Proven Results Across Industries

Restricted Area Protection System Dashboard

ARSA’s facial recognition system delivers uncompromising perimeter security for restricted facilities. Deployed at Indonesia’s Ministry of Defense installations, this solution combines millisecond-speed biometric authentication with intelligent threat detection.

See Portfolio →

PERCIK - National Police's Vehicle Registration Physical Check

ARSA’s License Plate Recognition (LPR) and VIN Tamper Detection solution transforms manual vehicle verification into an intelligent, forensic-grade authentication process. Designed specifically for physical inspection scenarios, vehicle registration, and law enforcement checks

See Portfolio →

Investment & ROI

Cost Efficiency & Measurable Returns

Investment Range

  • Typical projects: $20,000 – $250,000+
  • Functional systems in 8-16 weeks
  • Modular pricing – pay for what you need
  • No per-user licensing fees
  • Future-proof architecture (5-10 year horizon)

Measurable Returns

  • 30-60% reduction in manual process time
  • 15-40% revenue increase through digital channels
  • 70-90% reduction in data entry errors
  • 50-75% faster access to business intelligence
  • Automated compliance & audit trails

Begin Your Web Transformation

Strategic web platforms require partners who understand technology architecture, business operations, and user experience. ARSA delivers the full spectrum, from concept to production to evolution.

ARSA Technology White Logo

Legal Name:
PT Trisaka Arsa Caraka
NIB – 9120113130218

Head Office – Surabaya
Jl. Prapen Indah B-25,
Tenggilis Mejoyo, Surabaya
Jawa Timur, Indonesia
60299

R&D Facility – Surabaya
Jl. Palagan Tentara Pelajar, Dusun Kayunan KM. 13. Donoharjo, Ngaglik, Kab. Sleman, DI Yogyakarta, Indonesia 55581

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