Fullstack Software Engineer · Web, Mobile & AI Engineer

Hello, I'm Arsal —
building scalable software systems for modern applications

I am a Fullstack Software Engineer from Indonesia with strong expertise in backend development using Laravel, AI service using Fast API, and mobile development with Flutter. I build scalable web, mobile, and backend systems, with growing specialization in AI engineering including RAG, tool calling, semantic search, and local LLM integration. I enjoy solving complex technical challenges in architecture, scalability, and real-time systems.

View Projects → Contact Me
Laravel Flutter PostgreSQL Fast API AWS · Docker Qdrant · Vector DB
arsal_engineer.php
Arsal Fahrulloh
Arsal Fahrulloh
FULLSTACK SOFTWARE ENGINEER
LaravelFlutterFast API
WHAT I DO

Engineering Scalable Software Systems

I work as a Fullstack Software Engineer with strong expertise in backend engineering, mobile development, system architecture, and modern AI integration. I focus on building scalable, reliable, and production-ready systems.

Backend Engineering

Building scalable REST APIs, authentication systems, OAuth integrations, job queues, event-driven architectures, and real-time communication using Laravel.

Mobile Development

Developing Flutter applications with strong focus on API integration, authentication flows, business logic implementation, and scalable mobile architecture.

AI Engineering

Building AI service with Fast API, AI-powered systems with RAG pipelines, tool calling, semantic search, local LLM deployment, and vector database integration.

Database & Architecture

Designing efficient database schemas, optimizing queries, implementing vector search, and choosing the right architecture for scalable systems.

DevOps & Infrastructure

Working with Docker, containerized environments, and AWS cloud services to build reliable, scalable, and production-ready infrastructure.

Third-Party Integration

Integrating payment gateways, OAuth authentication, travel APIs, maps, and other external services to deliver complete software solutions.

0+
Projects Built
From enterprise systems to AI-powered applications.
0
Framework Mastered
Laravel, Fast API, and Flutter.
0+
Years of Experience
Building web, mobile, AI service, and backend software systems.
0+
Technologies Mastered
Across backend, mobile, cloud, DevOps, and AI engineering.
TECH STACK

Technical Expertise

The technologies and tools I work with across backend, mobile, databases, cloud infrastructure, and AI engineering.

Backend Engineering

PHPLaravel 9–12REST API OAuthWebSocketJob Queue Event-DrivenMicroservices

Mobile Development

FlutterDartMVVMAPI Integration AuthenticationMultipart UploadSQLite

Database

MySQLPostgreSQLRedis SQLiteQdrantpgvector

DevOps & Cloud

DockerDocker ComposeAWS EC2 AWS S3CDNIAM

Third-Party Integration

MidtransXenditiPaymu Amadeus APIGoogle MapsMeta Ads

AI Engineering

Fast APIOllamaRAG Pipeline Tool CallingEmbeddingsSemantic Search
15+Projects
2+Years
AISpecialization
class ArsalFahrulloh {
  function mindset() {
    return "learn_deeply_then_build";
  }
}
ABOUT ME

Building Systems with Discipline, Curiosity, and Purpose

I am a Fullstack Software Engineer with strong expertise in backend development, mobile engineering, AI service, and scalable system architecture. My core stack revolves around Laravel, Fast API, and Flutter, where I build production-ready systems across web, mobile, AI service, and backend environments.

My journey was built through self-learning, discipline, and consistent growth. Over the years, I have developed complex systems including real-time applications, cloud-based infrastructure, payment integrations, and AI-powered platforms. I enjoy solving challenging technical problems and turning complex ideas into reliable software systems.

System Thinking

Breaking complex problems into scalable architecture and reliable engineering solutions.

Persistence

Built through discipline, consistency, and the ability to overcome challenging technical problems.

Continuous Learning

Committed to continuous growth by learning deeply and adapting to modern technologies.

HOW I WORK

My Engineering Approach

The mindset and process I follow when solving technical challenges, from learning new concepts to building scalable systems.

01

Understand Deeply

Learn and understand the core concepts thoroughly before writing code.

02

Build Practically

Turn ideas into real implementations through hands-on development and experimentation.

03

Think Architecturally

Understand how each component connects within the bigger system architecture.

04

Evaluate Scalability

Ensure systems are designed to handle growth, complexity, and increasing workloads.

05

Optimize Continuously

Continuously improve performance, maintainability, and overall system quality.

PROJECTS

Selected Projects I've Built

A selection of projects that showcase my expertise in fullstack engineering, scalable systems, and AI integration.

Let's Build Together
E-Commerce Platform
AI Powered E-Commerce Platform

Developed a modern e-commerce platform featuring semantic product search, AI recommendations, realtime chat, HLS video streaming, payment gateway, shipping integration, and event-driven architecture.

Laravel Octane FrankenPHPFlutter MVVMFastAPI AI ServiceOllamaQdrantRedisDocker
Real-Time Social Media Platform
Social Media Platform

Real-Time Social Media Platform

Built a scalable social media platform featuring feeds, short videos, likes, comments, follows, and real-time interactions with distributed architecture.

Laravel Octane FrankenPHPFlutter MVVMReverb WebsocketMinIOHLSDokcerRedis
AI Agent Platform with RAG & Tool Calling
Kwanza AI

AI Agent Platform with RAG & Tool Calling

Built an AI-powered platform with local LLM deployment, RAG pipelines, semantic search, vector retrieval, and intelligent tool calling for document, web search, and real-time response.

LaravelReverb WebsocketPythonQdrantPostgreSQLOllama
Real-Time Chat Application
Real-Time Chat Communication

Real-Time Chat Application

Developed a real-time messaging platform with WebSocket communication, event broadcasting, JWT authentication, and push notifications.

LaravelFlutterReverbFCM Notifications
Music Streaming Platform
Music Streaming

Music Streaming Platform

Built a music streaming platform with HLS media pipeline, premium subscriptions, scheduled ads, and recommendation systems.

Laravel Octane FrankenPHPFlutterAARHLSAWSEC2CDNS3
Multi-Role Learning Platform
E-Learning

Multi-Role Learning Platform

Built an online learning platform with role-based access for admins, instructors, and students with integrated payment systems.

LaravelFlutterXendit
EXPERIENCE

Experience & Education

Professional and academic experiences that shaped my engineering mindset and technical expertise.

Fullstack Web & Mobile Developer

PT Multipro Global Mandiri
2025 — 2026
  • Built scalable backend services and REST APIs using Laravel, Laravel Octane, and FrankenPHP for web and mobile applications.
  • Integrated third-party services including payment gateways (Midtrans, Xendit, iPaymu) and OAuth authentication providers.
  • Developed real-time systems using Laravel Reverb, WebSocket, Events, Redis, Job Queues, and push notifications.
  • Designed and optimized database architecture using MySQL and PostgreSQL, including background jobs and scheduling systems.
  • Deployed and managed cloud infrastructure on AWS including EC2, S3, CDN, and IAM for scalable production systems.

Education

Bachelor of Informatics Engineering

Employee Class Program · 2025 — Present

Software Engineering

Vocational High School · 2021 — 2024

Building a scalable product, backend system, or AI-powered platform?

Open to full-time opportunities, freelance projects, and technical collaborations in fullstack engineering, backend systems, and AI integration.

Contact Me
CONTACT

Let’s Connect

Feel free to reach out through any of the channels below for project discussions, collaboration, or career opportunities.

Email

arsalfahrulloh6@gmail.com

Phone / WhatsApp

+62 831-5334-2584

Location

West Bandung Regency, Indonesia

LinkedIn

arsal-fahrulloh

GitHub

github.com/arsalfrlh

Portfolio

arsalfrlh.github.io/Portofolio