HEIN ARKAR
Building "Alive" and Scalable "Agentic" GenAI Platform.
Specialized in Agentic Workflows, RAG, and Enterprise Solutions.
PROFESSIONAL SUMMARY
Full-Stack Developer with 2+ years of production experience building and scaling on-prem AI platforms using MERN, Next.js, Tailwind, and MUI.
Core developer of a live AI agent builder platform featuring RAG pipelines, agentic workflows, embedded widgets, real-time systems, and enterprise-grade security.
Experienced in owning features end-to-end across frontend, backend, AI services, and deployments in fast-paced startup environments.
WORK EXPERIENCE
Full-Stack Developer
BRILLAR
AI & RAG Core
Built Atenxion (Enterprise GenAI Platform) & Agentic Workflows from scratch in 8 months.
Multi-Domain Systems
Delivered scalable internal systems for Banking, Insurance, Logistics, and Healthcare sectors.
Full-Lifecycle Engineering
Built dynamic Marketing Sites, scalable Platform UIs, and managed complex End-to-End Server Deployments.
Integrations & QA
Connected SharePoint/Drive/S3 & collaborated with QA for stable, reliable releases.
CORE TECHNICAL SKILLS
Frontend
React.js
Next.js (App Router)
Tailwind CSS
MUI
SSR
Custom Hooks
SEO & Performance
Backend
Node.js
Express.js
MongoDB (Schema/Agg)
REST APIs
Webhooks
WebSockets
AI & Platform
RAG Pipelines
Agentic Workflows
Google ADK
LangChain
OpenAI SDK
Vector Retrieval
DevOps & Tooling
Docker
CI/CD Pipelines
Production Deployment
Git
Postman
Python
FEATURED WORK
Atenxion Platform
An enterprise-grade AI Agent Platform designed for on-premise deployment. It enables organizations to create RAG-powered agents that facilitate Post-Login banking scenarios, Patient Portals, Education systems, and more. Delivered first production version in just 8 months to 3 major enterprise customers across SEA. The core product manages the entire agent lifecycle, while end-users interact via an intelligent embedded widget.
TECHNOLOGIES
KEY FEATURES & CONTRIBUTIONS
Agentic Core
Creation of RAG-based agents with Google ADK, API tools, and background web search capabilities.
Enterprise Security
Robust SSO (Single Sign-On), RBAC (Role-Based Access Control), and Multi-Factor Authentication.
Cloud Integrations
Seamless ingestion from Google Drive, OneDrive, S3, SharePoint, and Confluence.
Multimodal Processing
Advanced Image-to-Text and Video-to-Text capabilities for rich data understanding.
Atenxion.ai
Official marketing website with modern 3D visuals and detailed product showcase.
Corporate website for Brillar, demonstrating their innovative services and extensive company portfolio.
Secret Miniverse
A private space for couples to share memories, track dates, and manage appointments. Features a secure "memo" system, calendar integration, and a playful interactive dashboard for relationship milestones.
Flipchat
Real-time messaging application built with WebSocket for instant communication. Supports private chats, group rooms, and live status updates with a responsive, socket-driven UI.
EDUCATION
Coursework in Computer Science
University of Information Technology (UIT)
2017 – 2020 (Not Completed)Focused on core computer science fundamentals including algorithms and data structures.
Bachelor’s Program (Planned, Part-time)
Chandrakasem Rajabhat University (CRU)
2025 – 2028Upcoming degree program to further my education.
GET IN TOUCH
Have a project in mind or want to collaborate? Send me a message.