Kien
Nguyen
Senior Site Reliability Engineer
Building resilient, cloud-native infrastructure for blockchain at scale. Kubernetes, GitOps, and observability at the core.
Experience
From metro systems to blockchain infrastructure
Senior Site Reliability Engineer
Designing scalable cloud-native infrastructures for blockchain applications. Led PostgreSQL to CloudNative-PG migration with GitOps. Deploying blockchain nodes (Bitcoin, Ethereum, Solana). Designed supervalidator for Canton Network.
Site Reliability Engineer
Ensured successful deployment of applications and maintained system reliability in the Air Traffic Management sector.
DevOps Engineer
Traveled to Hanoi during COVID to build the city's first Metro Line 3.
DevOps Engineer
Contributed to the Lusail-Doha Metro, one of the world's most advanced metro systems.
ECE Paris
Engineering School
Computer Science, Big Data & Cybersecurity
AI Platform
End-to-end AI infrastructure deployed at Ledger
Designed and deployed a complete AI platform for developer productivity: RAG-powered chat, workflow automation, LLM observability, and on-demand dev environments.
Click any component to see details
10 services interconnected
User
Request
Okta
Auth
LibreChat
Chat
LLM
Inference
RAG
Context
pgvector
Embeddings
Langfuse
Trace
Architecture & Design
Designed the full platform architecture, from LLM routing to RAG pipeline to observability. Selected and evaluated each component for enterprise readiness.
GitOps Deployment
Deployed all 10+ services on Kubernetes via ArgoCD + Helm. Infrastructure as Code with Terraform. Zero-downtime updates via progressive rollouts.
Observability & Ops
Built the observability layer with Langfuse for LLM tracing, Datadog for infra, and custom dashboards. On-call for the full AI stack.
Open Source
Tools, experiments, and contributions
Photography
Landscape & astrophotography from around the world
Sony Alpha 7 IV
Body / 33MP Full Frame
FE 24-50mm f/2.8 G
Wide / Landscape & Astro
FE 70-200mm f/2.8 GM II
Tele / Wildlife & Compression
Albums
Countries
Photos
Infrastructure
Self-hosted, GitOps-driven, fully automated
Orchestration
Observability
Secrets & IaC
Git Push
Code to GitHub
CI
Build & lint
Docker
Multi-stage
ArgoCD
GitOps sync
K8s
Production
Contact
Let's talk infrastructure, AI, or landscape photography.
Best way to reach me is LinkedIn DM.
Photography
Sony A7IV
Piano
9 years
Cycling
Road & Gravel
Tennis
Competitor
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