Thank you for visiting my profile. I'm a Senior Software Engineer with a passion for building scalable and reliable systems.
I'm currently actively looking for new role in Senior Backend or FullStack Software Engineer. If you have any available roles or references, please reach out. I appreciate it.

Thank you.

• iklanify.com. Advertising marketplace board SaaS. Next.js, Payment gateway, container, Terraform
• ava.bungamata.com. Agentic AI for every day use. Vercel Eve, Next.js, AI NLP tool integration.
• convert-image. Open source desktop app to resize image. Electron, React, Node.js.
• vroom.com.au, carhire.com.au. Car Hire Aggregator Booking Engine. Multi-tenant B2B Saas. Laravel, React, REST API, AWS DevOps, API Integration, Technical Lead.
• prosura.com.au. Car Hire Excess Insurance. Symfony, React, REST API, React as widget.
• thearirasresort.com. Hotel Web CMS. Wordpress, Elementor.

• Languages: PHP, Typescript, Python, Go.
• Frameworks: Laravel, Symfony, FastAPI, Nextjs, Nestjs, Node.js, React, Angular, Vercel Eve.
• AI/Agentic Frameworks: LangChain, LangGraph, LangFuse, FactMCP, RAG, n8n.
• Machine Learning: Numpy, Pandas, Scikit, Pytorch, Vector Search, fine-tuning & model eval.
• Cloud & Infrastructure: AWS DevOps/Network, Event Driven System (AWS SQS, RabbitMQ, GCP Pub/Sub), Docker, Kubernetes, CI/CD, Distributed Systems, Terraform, GitHub action.
• Data & Querying: MySQL, PostgreSQL, MongoDB, Redis, Pinecone, GraphQL, REST API, XML, SOAP, WebSocket.

Senior Software Engineer & Technical Lead
Remote Contractor | VroomVroomVroom Pty. Ltd., Australia | May 2016 - June 2026 (10 years) | VroomVroomVroom & Prosura
B2B SaaS car rental aggregator booking engine with integrated insurance products, serving customers across Australia, NZ, US, UK and Canada.

• Architected product full lifecycle, from development to deployment & monitoring.
• Scaled & simplified API infrastructure, capable of handling millions traffic per day with easy third party integration and error auto recovery, improved conversion by 30%.
• Architected the payment gateway system with security first approach and error recovery.
• Scaled the frontend architecture, easier to integrate new business partners.
• Optimized the SQL database queries, reduced API latency by 50%.
• Promoted to Senior Technical Lead, led the engineering team of 5 people, mentored their career progression and improved their productivity.
• Centralized log documentation, transparency audit trail to stakeholder.
• Established a secure-by-design workflow, balanced innovation and strict-security.
• Established a framework for AI-assisted development, training the engineering team on effective prompt engineering and secure coding workflows; balanced rapid innovation with strict security oversight to ensure high-quality code output.

• Artificial Intelligence (AI) for Retrieval Augmented Generation (RAG) and Large Language Models (LLM).
• Stock analytic to suggest purchase based on user criterias and sell notifications when it reach the target.
• Investments and portfolio management.

• Full or Part time projects opportunity to apply and hone my skills.
• Dockerized App & microservices for scalability and reliability.
• Automating workflow with AI