Nguyen Y Bin

Backend Engineer
Node.js · NestJS · PostgreSQL · API Design · Microservices · Cloud Infrastructure
Email: nguyenybin2015@gmail.com  |  Phone: (+84) 788 77 9029  |  GitHub: github.com/Nguyenybin2015  |  Portfolio: nibies.space  |  LinkedIn: linkedin.com/in/nguyen-y-bin-0309
Location: Ho Chi Minh City, Vietnam  ·  Open to: On-site / Hybrid / Remote

Summary

Backend engineer with hands-on experience building scalable web applications and microservices in the Node.js ecosystem. Proficient in NestJS, Express, Koa, relational and search data stores (PostgreSQL, MySQL, Elasticsearch, Redis), background workers, and object storage integration. At Estuary Solutions, contributed to e-commerce, loyalty, and pharmaceutical platforms serving 350k+ active users. Co-founder at Builden, leading product backends and cloud delivery for AI application studio. Experienced with Docker / Kubernetes, CI/CD pipelines, Terraform, and observability (Prometheus, Grafana, ELK). Focus: performant APIs, reliable services, and scalable backend architecture.

Skills

Backend
Node.js — NestJS, Express, Koa, Bun · JavaScript / TypeScript · Python · REST & gRPC APIs, auth/authorization, RBAC · PostgreSQL, MySQL, Elasticsearch, Redis · TypeORM, Sequelize, Prisma · Redis Pub/Sub, MQTT, Apache Kafka, RabbitMQ · Bull Queue, cron jobs
Infrastructure
Docker, Docker Compose, Docker Swarm, Kubernetes · GCP: Cloud Run, Compute Engine, Artifact Registry, Firebase Hosting · AWS: S3, EC2, Lambda · MinIO · Cloudflare (DNS / CDN / edge) · CI/CD: GitHub Actions, ArgoCD · IaC: Terraform
Monitoring
Prometheus, Grafana, ELK Stack, OpenTelemetry, Jaeger · SLA/SLO metrics · multi-env promotion patterns
Tools
React, Next.js, React Native, Vite, Tailwind CSS · Supabase, Auth0, Stripe · Git, Postman, Swagger · Streamlit · Vietnamese (native) · English

Experience

Co-founder · Builden 04/2026 – Present · HCMC

Technical leadership for an AI application studio — product backends, cloud, and delivery standards

  • Define technical architecture and release standards for multi-client AI products
  • Migrate legacy infrastructure to GCP, utilizing GCP ($2,000) and Cloudflare ($10,000) startup credits
  • Optimize CI/CD pipelines and integrate Playwright testing, reducing testing infrastructure costs by 60%
  • Formulate SLA/SLO metrics targeting 99.9% uptime with Docker/Kubernetes container monitoring and automated database backups
Full Stack Engineer · Stitch Digital Solutions Limited 11/2025 – Present · Hong Kong · Remote

Stitch CRM Platform — multi-tenant CRM for bespoke tailoring (Thailand & Hong Kong) · Stack: React + TypeScript + Vite, Express + Prisma + PostgreSQL, Supabase, Auth0, Stripe, Redis, GCP

  • CRM Domain: Built key tailor features (measurements, order lifecycle, fabric library, RBAC, multi-language)
  • AI Integrations: Implemented AI chatbot (intent parsing, CRM queries), AI Insights (analytics engine), and Document AI OCR import pipeline
  • API & Cloud: Owned backend Express APIs, GCS storage integration, and GCP staging/production deployments
Backend Developer · Estuary Solutions 04/2024 – Present · HCMC · On-site

Production e-commerce, loyalty, and industrial logistics systems

  • Developed e-commerce, loyalty, and logistic systems serving 350k+ and 40k+ active users
  • Built REST/gRPC APIs with NestJS/Express, optimizing database schemas (PostgreSQL, MySQL, Elasticsearch) and configuring OpenTelemetry observability
  • Engineered high-throughput background queues using Bull/BullMQ and Google Drive CSV sync workers
Freelance Backend Developer & Research Assistant · VAA & Self-employed 08/2023 – 03/2024
  • Built Node.js and Python backend solutions for small businesses
  • Developed IoT prototypes for Smart Airport passenger support (featured on VnExpress) and Smart Drowning Rescue
Backend Developer · ePlus Technology Solutions 04/2023 – 07/2023 · HCMC · On-site
  • Built REST APIs for user authentication, 2FA, RBAC, and MySQL schemas
  • Performed web scraping and data crawling with anti-bot handling

Projects

CRM (Customer Relationship Management) Domain
1. Stitch CRM Platform — stitchcrm.services Work · Production · Tailoring CRM

Multi-tenant CRM for bespoke tailoring serving Thailand and Hong Kong. Manages clients, customizable body measurements, order lifecycles, fabric collections, and suppliers.

  • Product: Tailoring CRM + BI dashboard with custom multi-tenant field/section configurations and multi-language support (EN / TH / zh-HK).
  • AI Integrations: Real-time AI chat orchestrator, AI business insights aggregation, and Document AI OCR file parser.
  • Stack: React, TypeScript, Vite, Express, Prisma, PostgreSQL, Supabase, Auth0, Stripe, Redis, GCS, Document AI, Cloud Batch, Docker
2. High-Traffic Loyalty & Gamification Platform Work · Production · Loyalty CRM

Enterprise loyalty CRM platform serving 350k+ active users with automated promotional campaigns, gamification engines, and gift trades.

  • Architecture: Split client-facing APIs and heavy async worker runtimes to prevent bottlenecks.
  • Stack: NestJS, TypeScript, PostgreSQL, MySQL, Redis caching, Bull Queue, Docker, GitLab CI/CD
3. Gamified E-Commerce & Loyalty Platform Work · Production · E-commerce & Loyalty

Interactive loyalty and shopping application serving 40k+ active users featuring a custom cooking gamification engine.

  • Architecture: Monolithic Express core combined with Node-cron task runners and Sequelize database transactions.
  • Stack: Node.js, Express, Sequelize, PostgreSQL, Redis caching, Bull Queue, Docker, GitLab CI/CD
HRM (Human Resource Management) Domain
4. Multi-Tenant HRM & Resource Planner Work · Production · HRM Portal

Enterprise Human Resource Management (HRM) system managing employee profiles, timesheets, multi-level leave approvals, and shift planning.

  • Product: Employee portal, shift tracking, automated scheduling notifications, and role-based access control (RBAC).
  • Stack: Node.js, NestJS, React, PostgreSQL, Redis, Bull Queue, Docker, GCP
POS (Point of Sale) Domain
5. Multi-Tenant Cafe POS System Work · Production · POS System

Point-of-sale system designed for cafe chains with real-time order processing, inventory tracking, and branch-level performance analytics.

  • Architecture: Multi-service NestJS APIs with PostgreSQL replication, Docker Swarm, and Prometheus/Grafana monitoring.
  • Stack: NestJS, Next.js, React Native, Docker Swarm, GitHub Actions, Terraform, PostgreSQL, Prometheus, Grafana
Other Domains
6. Industrial QR Tracking & Logistics System Work · Production · Logistics

High-availability QR tracking and manufacturing integration system ensuring uninterrupted production lines and seamless logistics tracking.

  • Stack: NestJS, TypeScript, TypeORM, PostgreSQL, Redis, BullMQ, Google Drive API, Zebra Scanner SDKs, Docker
7. Pharmaceutical Distribution & Operations System Work · Production · Operations

Enterprise-grade management system for the pharmaceutical sector optimizing supply chain operations.

  • Stack: Node.js, gRPC, PostgreSQL, Materialized Views, OpenTelemetry, Jaeger, Docker, GitLab CI/CD
8. WordFight — wordfight.online Live · GCP · 10k+ active users

Online multiplayer word game (Vietnamese / English) deployed on GCP Cloud Run.

  • Stack: Cloud Run, Artifact Registry, Firebase Hosting, Cloudflare
9. Ezpic — ezpic.one Live · GCP

AI-assisted image editing web tool utilizing Cloud Run and Compute Engine Spot VMs.

  • Stack: Cloud Run, Compute Engine Spot VMs, Firebase Hosting
10. Smart Airport Passenger Support Research / IoT

IoT wayfinding prototype featured on VnExpress.

  • Stack: Next.js, Python, LANGCHAIN, Tinker Board R2.0, E-ra IoT

Education

Vietnam Aviation Academy · Ho Chi Minh City, Vietnam
Bachelor’s track — Information Technology
09/2022 – 10/2025

Certifications

Awards & activities