Thierry Bui

Available to hire

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Machine Learning Engineer at DataArt
May 1, 2023 - February 1, 2026
Contributed to the consulting practice by identifying high-impact AI opportunities, shaping proposals, and delivering business-driven outcomes. Designed and delivered cloud-native AI platforms on AWS with reference architectures for security, networking, observability, and cost governance. Orchestrated end-to-end MLOps pipelines on AWS EKS using MLflow and Kubeflow to automate training, validation, model registry/versioning, deployment, and monitoring, improving release cadence and reducing overhead. Developed LLM-powered RAG solutions with production-grade retrieval quality, implementing chunking strategies, hybrid search (keyword + vector), reranking, caching, and evaluation harnesses to measure accuracy, latency, and hallucination risk. Implemented multi-agent workflows with LangGraph and LangChain for real-time analytics and automation. Migrated a legacy monolithic web-scraping pipeline to a microservices architecture using AWS SNS/SQS, Lambda, ECS, and Fargate, improving reliabili
AI Software Development Consultant at DevGrid
September 1, 2019 - April 1, 2023
Delivered AI-enabled and cloud-native systems end-to-end as a consultant, owning architecture, implementation, performance tuning, and production readiness across multiple engagements. Developed a vector-search recommendation system on AWS using Elasticsearch, improving relevance through feature engineering, ranking experiments, and feedback loops that increased engagement and sales impact. Built and operationalized fraud-related infrastructure, incorporating NLP classifiers for message intent detection (e.g., cancellation / chargeback signals) and integrating outputs into downstream risk workflows. Led development of a high-scale product synchronization platform supporting both real-time and batch sync between local and global catalogs, improving reliability for cross-border commerce use cases. Implemented an event-driven architecture with Pub/Sub + gRPC, delivering subsecond sync latency, idempotent processing, and consistent reconciliation across thousands of stores. Introduced resi
Backend Developer at ICF of Oklahoma
June 1, 2016 - July 1, 2019
Delivered scalable backend services for web/mobile products, contributing across design, implementation, testing, and production support in a client-facing environment. Contributed migration from a monolithic application to a microservices architecture on AWS, decomposing core domains into independently deployable services and defining service boundaries, data ownership, and backward-compatible API contracts (REST/gRPC). Implemented the target platform and operating model, using Docker + Kubernetes (EKS), API Gateway/ALB, Kafka/SQS for async messaging, PostgreSQL (DB-per-service where appropriate), Terraform for IaC, and CloudWatch + OpenTelemetry for end-to-end observability—improving release independence, fault isolation, and horizontal scalability. Designed backend architectures emphasizing secure data handling, robust authorization patterns, and reliable service-to-service integration for client systems. Built and maintained RESTful and GraphQL APIs, improving developer experienc

Education

Bachelor's Degree at Thammasat University
January 1, 2012 - January 1, 2016

Qualifications

Bachelor's Degree in Computer Science
January 1, 2012 - January 1, 2016

Industry Experience

Retail, Software & Internet, Media & Entertainment, Travel & Hospitality, Professional Services