p
pmihi_1801

Phan Minh Hieu

@pmihi_1801

NodeJS Backend Developer, APIs and PostgreSQL

Vietnam
Vietnamese, English
About me
I help debug Node.js APIs, improve PostgreSQL performance and build reliable backend services. I have nearly three years of experience across 10+ production microservices using TypeScript, Express, PostgreSQL, MongoDB and Redis. My in-house work includes a database migration, reducing homepage load time from 4s to 1s, and messaging systems processing 113,000+ daily messages with RabbitMQ and Bull. I focus on clear scope, targeted fixes, relevant tests and practical handoff notes.... Read more

Skills

p
pmihi_1801
Phan Minh Hieu
Offline • 

See my services

Bug Fixes
I will debug and fix your nodejs API or express backend bug
From$40 / projectMore details

Work experience

TUYỂN_DỤNG NGỌC DUNG

Software Engineer

TUYỂN DỤNG NGỌC DUNG • Full-time

Nov 2023 - Jul 2026 • 2 yrs 8 mos

Built and operated Node.js/TypeScript backends across 10+ production microservices for booking, vouchers, messaging and customer support. Led a MongoDB-to-PostgreSQL migration using Sequelize, model-generation tooling and batch scripts. Reduced booking homepage load time from 4s to 1s through Redis caching, PostgreSQL indexing and concurrent fetching. Worked on asynchronous messaging processing 113,000+ daily messages with RabbitMQ and Bull, including retries and background jobs. Built real-time calling features with LiveKit and Socket.IO, role-based access and MinIO/S3 recording. Improved observability with OpenObserve, Pino, Fluent Bit, request tracing and data masking. These were in-house employment projects.