Bio Lumbantoruan
System Architect
Professional Summary
Senior fullstack architect with 10+ years of experience building high-performance web applications across fintech, e-commerce, and SaaS domains. Proven track record of architecting scalable systems — from payment gateways processing transactions across 69 countries to AI-powered freelance marketplaces. Deep expertise in React, Next.js, Astro, Node.js, NestJS, FastAPI and modern cloud infrastructure. Built automated AI image generation pipelines for commercial product photography using fal.ai and Nano Banana. Combines engineering excellence with business acumen to deliver solutions that satisfy both C-level stakeholders and end-users while maintaining strict regulatory compliance.
Experience
System Design & Architect
Srabutan.com
- •Architected AI-powered matching system for freelance marketplace
- •Designed scalable microservices: portfolio management, real-time collaboration, secure payments
- •Led full-stack development with GitHub Actions, Docker, Railway
Tech: React • Vue • JavaScript • Tailwind • Docker • Python • Railway
Senior Technology and Trading Operations Manager
CITT Services
- •Delivered consulting for Pepperstone, TitanFX, BaxiaMarkets, Funded Prop BX, Traderscolo, Liquidity Connect
- •Served TitanFX, FXCM, LiquidityConnect, Traderscolo VPS, BaxiaMarkets, and Pepperstone as frontend and technical support
- •Managed multiple teams, delivered training, and built a continuous improvement system
- •Designed and ran ticketing workflows, SLA frameworks, and escalation protocols across multi-broker technical support operations
- •Led incident response during trading platform outages — root-cause analysis, client communication, and engineering coordination under real-money pressure
- •Enforced anti-fraud, anti-money laundering, and big data security controls, verifying client data with KYC platforms including Sumsub
- •Led trading operations: managed risk exposure, executed hedging strategies, monitored market volatility, and balanced A/B-book positions across MT4/MT5 and oneZero platforms
- •Analyzed client trading patterns to detect adverse behavior, protect firm capital, and optimize risk-adjusted returns in real-time trading environments
- •Built web apps with React, Vue, WordPress, Laravel, HubSpot CMS
- •Architected backend systems, automated data sync with n8n, Python, Flask
- •Docker deployment on DigitalOcean & Google Cloud
Tech: Ubuntu • React • PHP • WordPress • Laravel • Vue • Docker • n8n • Python • DigitalOcean
Host Integrator
Wirecard (PT. Aprisma Indonesia)
- •Engineered payment gateway integrations at Wirecard subsidiary
- •Connected Prisma Gateway with banking systems for 14,000+ corporate clients across 69 countries
- •PCI-DSS compliance across all payment implementations
Tech: Java • HTML5 • CSS3 • Spring • Spring Boot • Hibernate
Key Projects
Srabutan.com — Freelance Marketplace
Architected Indonesia's freelance marketplace with AI-powered matching, microservices architecture, and real-time collaboration. Full-stack development with CI/CD pipelines.
BaxiaMarkets — Financial Platform
Built a 5-year fintech platform serving global traders with WordPress/Laravel/React stack, SumSub KYC compliance, multi-PSP payment processing, and responsive client portal.
CrosSyncOrder — Forex Trade Copier SaaS
Designed a real-time trade synchronization system across MetaTrader 4/5 and cTrader using WebSocket + ZeroMQ, containerized with Docker/Kubernetes on Railway.
AI-Powered Sales Dashboard
Full-stack dashboard with Next.js + FastAPI backend, integrating Google Gemini AI for natural language sales insights with markdown rendering and data visualization.
Technical Skills
Education & Certifications
Bachelor of Information System — Swiss German University
Specialization in Software Development • GPA 3.34
Certifications: