Bitcastle
Building microservices for a global cryptocurrency exchange: authentication, rewards and notifications through REST/gRPC APIs, with production monitoring and troubleshooting.
Developer 40-person project team
SENIOR BACKEND DEVELOPER · HANOI, VN
Thoughtful code.
Real-world impact.
Hi, I’m Nguyễn Quang Bách.
I build the systems
behind useful products — from microservices and automation to
AI-powered applications.
01 / INTRODUCTIONBUILDING SINCE 2018
to a working product.
8 yearsin web development
End to endfrom requirements to delivery
Microservicesarchitecture & production
MScSoftware Engineering · VNU-UET
02 / SELECTED WORK
Built for the real world.
Different domains. The same focus:
turning complex problems
into working systems.
Hội An Photobooth
A deployed photobooth experience connecting cameras, printers and kiosks. Built device control, local APIs, live WebSocket updates and image processing for instant prints and QR downloads.
Developer 3-person project team
Curama 03
Expanded a Japanese household services marketplace with NestJS micro-apps. At Minma Vietnam, led the legacy-to-microservices migration and integrated AI features for operations.
MidasTouch 04
A stock screening and recommendation platform built with market experts. Worked on deep learning research, data crawlers, analytics jobs, web applications and cloud operations.
More projects
AUG — DEC 2025
ThoXanh
Home cleaning booking platform. Built authentication, profiles and booking history APIs, optimized queries and supported production reliability.
2020 — 2022
Gobysend
Marketing automation across email, Zalo ZNS and SMS. Built workflow services, background jobs and CRM integrations for customer journeys.
JAN — AUG 2021
Dream LMS
Online exams for an English center. Designed the database and APIs, optimized the backend and managed the server for a two-person development team.
03 / THE JOURNEY
Always building.
Always learning.
From early-stage products to distributed services, each chapter adds a new perspective.
Read the full CV
OCT 2025 — PRESENT CURRENT
BLITZ Labo
Senior Backend Developer
Design and maintain exchange microservices, implement REST/gRPC APIs, and monitor and improve production services with an AI-native workflow.
OCT 2022 — JUL 2025
Minma Vietnam
Senior Backend Developer
One of the first engineers establishing the Vietnam team. Led microservices migration, developed NestJS micro-apps and integrated AI-powered operational features with Python, LangChain and n8n.
AUG 2020 — SEP 2022
Gobysend
Developer
Core backend engineer in an early-stage startup. Built CDP, CRM and marketing automation services, including messaging, segmentation and integrations with KiotViet and Sapo.
JUN 2018 — JUN 2020
Thu Do Multimedia JSC
Developer
Developed web and mobile APIs, built sales support tools and researched new products and business opportunities.
04 / HOW I BUILD
Backend depth.
Product perspective.
I enjoy the whole process: understanding a problem, designing the solution and getting it into people’s hands.
Languages & frameworks
TypeScript, Node.js, Python, Java, PHP
NestJS, Express, FastAPI, Flask, Celery, Laravel, Vue.js, Electron
Systems & data
Microservices, distributed systems, REST, gRPC, event-driven architecture
PostgreSQL, MySQL, MongoDB, TimescaleDB, SQLite, Elasticsearch, OpenSearch, Redis, RabbitMQ
Cloud & delivery
Docker, AWS, Azure, VPS, Ansible
GitHub Actions, GitLab CI, APISIX, NGINX, Apache, PM2, Portainer
AI & automation
LangChain, OpenAI API, Gemini, n8n, PyTorch, prompt engineering
Cursor, Claude Code, ChatGPT, Codex, GitHub Copilot
EDUCATION
University of Engineering
and Technology — VNU
2021 — 2024
MSc in Software Engineering
Thesis: Machine Learning Model for Forecasting Stock Prices on the Vietnamese Stock Market Using Technical Indicators.
2014 — 2018
Information Technology
GPA: 3.07 / 4
05 / HUMAN + AI
AI in the process.
Ownership in the outcome.
I use AI throughout development, then review and test the result myself.
-
01
Research & explore
Understand unfamiliar domains, investigate APIs and brainstorm approaches.
-
02
Specify & plan
Write and evolve specifications, then review and refine implementation plans.
-
03
Build, verify & iterate
Work with coding agents, review their output and manually test real behavior.