Building Secure.
Scalable.
Fintech Solutions.

Full-Stack Engineer | Project Lead | Fintech & Banking Systems

I build production-grade fintech systems — from mobile banking PWAs with OJK compliance to AI/ML-powered trading bots. Currently Project Lead at LOXA Digital, West Jakarta.

Dion Christian

Building production-grade fintech systems that combine regulatory compliance, scalable architecture, and AI/ML capabilities to deliver real business value.

Core Strengths

System-Oriented Thinking

I analyze problems holistically — architecture, workflow, scalability, and long-term maintainability.

Engineering Execution

Hands-on full-stack development with emphasis on clean structure, performance, and reliability.

Communication & Leadership

Ability to translate complex technical concepts into clear direction for stakeholders and teams.

Tech Stack

Backend PHP Laravel Go CodeIgniter Node.js
Frontend JavaScript Vue 3 PWA
Database PostgreSQL MySQL Redis
DevOps Docker Linux VPS
AI/ML Python LSTM XGBoost
Other REST API OJK Compliance Microservices

Selected Work

Project

Stock Prediction System (AI/ML)

Challenge:

Build an accurate stock price prediction system using machine learning.

Approach:

Implemented LSTM neural networks for time-series forecasting and XGBoost for ensemble learning. Trained on historical market data with technical indicators.

Impact:

Achieved 78% prediction accuracy on test data with real-time inference pipeline.

Python LSTM XGBoost AI/ML
Project

Crypto Trading Bot (Golang + Binance)

Challenge:

Automate cryptocurrency trading with high-frequency execution and risk management.

Approach:

Built a Golang-based trading bot with Binance API integration, implementing multiple strategies (grid, momentum) and real-time portfolio management.

Impact:

Deployed to production with 99.9% uptime and automated risk controls.

Go Binance API Microservices Docker
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Professional Journey

Jan 2024 — Present

Project Lead

LOXA Digital (PT LOXA Digital Indonesia)

Leading end-to-end fintech projects including mobile banking PWAs with OJK compliance. Managing cross-functional teams, architecting scalable solutions, and delivering production-grade systems for banking and financial services clients.

2023 — Jan 2024

Full Stack Engineer

Loxa Esolution Cyber Application

Develop and maintain scalable web applications. Design system architecture and implement new features. Optimize database performance and query efficiency. Solve complex full-stack technical issues.

2022 — 2023

Vice Principal

Academic Leadership

Led digital transformation initiatives. Managed curriculum systems and workflow optimization. Mentored teams and improved institutional performance.

2018 — 2022

Computer Teacher

Education Sector

Designed coding and digital literacy programs. Taught computer science fundamentals. Developed curriculum for technology education.

Engineering Philosophy

"Fintech systems must balance innovation with compliance. I build solutions that are not only technically excellent but also meet regulatory standards while delivering exceptional user experiences."

How I Approach Problems

  • 1
    Understand regulatory requirements Ensure compliance with OJK and banking regulations from the start
  • 2
    Design for scale Build architecture that grows with user demand
  • 3
    Prioritize security Implement robust security measures at every layer
  • 4
    Build with clarity Write maintainable code with comprehensive documentation
  • 5
    Iterate and improve Continuous refinement based on real-world feedback

Open to Opportunities

Freelance projects, remote work, and consulting — let's discuss how I can help your team.

Let's build something meaningful

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision.