Senior Consultant | Solution AI Engineer | DevOps Specialist
Senior Full Stack Engineer & AI Engineer with 9+ years of experience building production software across monolithic and microservices architectures. Strong background in backend, frontend, cloud infrastructure, DevOps, and AI-powered applications.
Experienced in working directly with international clients and distributed teams across the United States, Singapore, China, Australia, Japan, and Thailand.
Skilled in designing scalable systems, leading technical delivery, mentoring engineers, planning work, estimating effort, and solving complex production problems.
Strong DevOps mindset with hands-on experience in CI/CD, cloud infrastructure, monitoring, incident response, automation, and performance optimization.
Experienced in integrating Generative AI into real business workflows, including AI agents, RAG systems, LLM-based applications, workflow automation, knowledge retrieval, and secure AI application design.
Passionate about using automation to improve software delivery, security, code review, monitoring, notifications, and operational efficiency.
OpenAI API, OpenAI Realtime API, Prompt Engineering, AI Agents, RAG, Advanced RAG Techniques, Embeddings, Vector Search, Fine-tuning, LLM Workflow Automation, AI-powered SDLC Automation, AI Code Review Automation, Contextual AI Assistants, Voice AI, STT/TTS, TogetherAI, FastAI
EdTech, Banking, Microbiome, Hiring, Q&A Systems, Enterprise Knowledge Management, Company Knowledge Retrieval, NL-to-SQL, AI Security, Workflow Automation
React, Vue, Angular, Next.js, Vite, TypeScript, JavaScript, Responsive Design
Node.js, Python, Go, C#, Java, Bash Scripting, Express.js, FastAPI, Flask, .NET Core, Django, Jinja2, SQLAlchemy
PostgreSQL, SQL Server, MongoDB, DynamoDB, AWS RDS, Vector Databases, Prisma, Mongoose, Sequelize
AWS, Azure, Google Cloud, Vercel, Docker, Kubernetes, Terraform, CloudFormation, Ansible, GitHub Actions, Buildkite, CI/CD, Serverless Architecture, ETL Pipelines
Prometheus, Grafana, AWS CloudWatch Logs, AWS Alarms, Azure Application Insights, Sumo Logic, Log Centralization, System Health Dashboards, Incident Monitoring, Splunk
Microservices Architecture, REST APIs, gRPC, AWS SQS, Kafka, RabbitMQ, Event-driven Architecture, Real-time Processing, Distributed Workflows, Cross-service Optimization
Security Patch Automation, Vulnerability Remediation, Cost Optimization, Performance Optimization, Auto-scaling, Production Incident Support, Automated Reporting, Workflow Notifications
Payment Integration, QR Payment Integration (Banking), Real-time Comment Processing, Customer Support Automation, Construction/Project-Management AI Readiness
Thoughtworks
Working on MYOB's online invoice payment platform supporting production payment workflows in a microservices environment. Collaborated with distributed teams across Australia, China, and Singapore.
Key Achievements:
Technical Stack:
Microservices, Node.js, React.js, Python, Go, AWS, Kubernetes, Event-driven Architecture, gRPC, REST APIs, Buildkite, Trivy, TruffleHog, Splunk, Prometheus, Grafana
Upmesh
Engineered a real-time "add-to-cart" system that intelligently processes user comments across multiple social media platforms (Facebook Live, TikTok, Instagram). Collaborated with teams across Thailand, China, and Singapore.
Key Achievements:
Technical Stack:
.NET, React.js, Node.js, Python FastAPI, Go, AWS, Kubernetes, Redis, Distributed Locks, Buildkite, Microservices Architecture
Altsource Software
Built a Slack-integrated platform for schedule creation and management with smart recommendations. Worked closely with US teams to define requirements and ensure delivery excellence.
Responsibilities:
Technical Stack:
Node.js, React.js, .NET, Azure Services, Azure SQL, Hangfire, Redis, Azure Application Insights, REST APIs
Orient Software
Contributed to The Big One Learning System, a comprehensive edtech platform. Worked on microservices architecture with emphasis on DDD patterns and code reusability.
Responsibilities:
Technical Stack:
Node.js, React.js, RabbitMQ, Docker, Kubernetes, gRPC, REST APIs, AWS, CI/CD with GoCD, SSO Authentication
TPS Software Corporation
Led development team on co-working space platform (GorillaSpace) with full-stack responsibilities. Collaborated with Singapore teams to clarify requirements and deliver quality solutions.
Responsibilities:
Technical Stack:
Node.js, React.js, Microservices, RabbitMQ, Docker, AWS, Jenkins CI/CD, SQL Server, GraphQL, REST APIs, Google Maps API, Geolocation
Built an AI learning companion where kids can talk, ask questions, and explore topics naturally through voice and text. Supports STT/TTS and maintains context throughout conversations.
Technologies: OpenAI, Streaming APIs, STT/TTS, Voice AI
Impact: More interactive learning, encourages curiosity and self-learning, accessible anytime
Built a real-time AI interview system where candidates can join live sessions and be interviewed directly by an AI agent. Generates context-aware questions based on CVs and job descriptions.
Technologies: LiveKit, OpenAI, WebRTC, Node.js, AI Agents
Impact: Reduced manual screening time, consistent and unbiased interviews, scaled hiring without additional interviewers
Designed an AI system that securely transforms natural language into SQL queries with advanced safeguards against invalid queries and PII exposure.
Technologies: OpenAI, PostgreSQL, Embeddings, RAG, Reinforcement Learning
Impact: Empowered non-technical users to access data, minimized data exposure risks, accelerated data exploration
Developed an AI assistant that streamlined banking onboarding and services through conversational flows, replacing traditional forms with guided step-by-step processes.
Technologies: OpenAI, Backend APIs, AI Agents, Security Validation
Impact: Improved onboarding experience, reduced manual support workload, increased service automation
Built an AI-powered knowledge assistant that converts historical Slack/Teams conversations, incident discussions, and chat history into a searchable knowledge base for troubleshooting and decision support.
Technologies: OpenAI, RAG, Embeddings, Vector Databases, Slack/Teams Integration
Impact: Reduced knowledge loss, faster solution discovery, improved incident learning, reduced LLM token costs
Led the real-time migration of a 4TB database with zero downtime, implementing automated scaling and monitoring solutions.
Impact: 100% uptime maintained, successful migration, established best practices
Identified and optimized systems including database indexes, EC2 instance types, cron job efficiency, and retention policies.
Impact: $250K annual savings, up to 10x performance improvement, 80% reduction in email delivery time
Built end-to-end automation systems for security patch detection and vulnerability remediation using Trivy and TruffleHog.
Impact: Automated remediation of 2M+ vulnerabilities, improved security posture, reduced manual patching effort
Built comprehensive system health dashboards and early incident warning mechanisms using CloudWatch, Sumo Logic, Prometheus, and Grafana.
Impact: Proactive incident detection, faster response times, improved system reliability
University of Information Technology, Vietnam National University, Ho Chi Minh City
Graduated: 2017