AI-Powered Clinical Documentation Assistant
ItransitionFull-stack LLM application with React, Django REST, and LangChain on AWS Bedrock—cut clinical note generation time by 63% for 2,400+ users.
- React
- Django
- LangChain
- AWS Bedrock
- RAG
Portfolio
Matthew Wong
Software Engineer
Full-stack engineer with experience building scalable web platforms, cloud-native AI systems, and high-traffic products at Itransition, Uber, and Stripe.
About
Engineer focused on shipping reliable, high-impact software.
I am a software engineer based in Dhaka, Bangladesh, with nearly a decade of experience across healthcare AI, mobility, and fintech. I specialize in end-to-end ownership—from architecture and APIs to polished user interfaces—and in integrating modern AI capabilities into production systems.
- Location
- House 65 B, Dhaka, 1230, Bangladesh
- musa513u@outlook.com
- Phone
- +1 14386196482
Skills
Technologies and practices from recent roles.
Frontend
- React
- Next.js
- TypeScript
- GraphQL
Backend
- Node.js
- Django REST
- PostgreSQL
- Kafka
Cloud & AI
- AWS (Lambda, Bedrock)
- LangChain
- Pinecone
- RAG pipelines
Practices
- Microservices
- Event-driven architecture
- API design
- System design
Work
Selected projects and platforms.
Payment & Trip Management at Scale
UberReact interfaces and event-driven microservices (Node.js, Kafka, AWS Lambda) for real-time trip reconciliation across 14 markets and 2M+ DAU.
- React
- Node.js
- Kafka
- AWS Lambda
Internal Payment Operations Dashboard
StripeReact components and Node.js REST APIs for a global operations dashboard; PostgreSQL optimizations for 300K+ daily payment events.
- React
- Node.js
- PostgreSQL
Experience
Professional roles and key contributions.
Senior Software Engineer
Itransition
- Drove end-to-end technical ownership across two production platforms at Itransition, establishing architecture patterns and shipping cloud-native AI features with measurable business impact.
- AI-Powered Clinical Documentation Assistant: Architected full-stack LLM application using React, Django REST, and LangChain with AWS Bedrock, cutting clinical note generation time by 63% across 2,400+ users.
- Built RAG pipeline with Pinecone vector database and document chunking strategies, achieving 89% retrieval accuracy on domain-specific medical terminology.
Software Engineer
Uber
- Built and scaled React-based rider and driver interfaces for Uber's payment and trip management systems, serving 2M+ daily active users across 14 markets.
- Designed event-driven microservices architecture using Node.js, Kafka, and AWS Lambda for real-time trip reconciliation, reducing payment discrepancy resolution time by 71%.
- Shipped early-stage AI experimentation features for fraud detection integrating classification models, contributing to 23% reduction in flagged fraudulent transactions.
- Developed Django REST APIs and GraphQL endpoints for internal operations tooling, supporting async workflows.
Junior Software Engineer
Stripe
- Developed React components and RESTful APIs in Node.js for Stripe's internal payment operations dashboard used by 1,200+ operations staff globally.
- Built PostgreSQL schema migrations and query optimization improvements for payment event logging features processing 300K+ daily records.
Contact
Open to opportunities and collaboration.
The best way to reach me is by email or phone. I typically respond to emails within 24 hours.
House 65 B, Dhaka, 1230, Bangladesh