Java 21

Spring Boot

Docker

Laravel

MySQL

PostgreSQL

Redis

Open to Backend & Fullstack Opportunities

Nguyen Huu Dai

Software Engineer•

Java 21 & Spring Architecture

Engineering reliable, high-performance backend systems with depth, clarity, and architectural discipline.

Ho Chi Minh City, Vietnam · UTC+7

Get in Touch

dainguyen@ubuntu:~/workspace

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dainguyen@ubuntu

OS: Ubuntu 24.04 LTS x86_64

Host: Backend Station · Uptime: 1.5+ Years

Kernel: 6.8.0-generic · Shell: bash

Runtime: Java 21 LTS (Temurin) · Spring Boot 3

Database: PostgreSQL 16 · Redis 7

Editors: Zed · VS Code · Neovim

Status:Open to Backend Enginner

dainguyen@ubuntu:~/workspace$

Explore Below

1.5+ YearsExperience

30+APIs Built

Java / SpringPrimary Stack

Clean / DDDArchitecture

Live Telemetry

Daily Coding Velocity

Actual time spent writing code, compiling, and debugging across the last 7 days — verified live via WakaTime.

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Engineering Trajectory

The Path to Solution Architect

A disciplined roadmap advancing from memory layout and raw DSA to resilient distributed systems and enterprise architecture.

Active Milestone: Phase 01 / 05

PHASE 01Active Sprint

IN PROGRESS

Java Fundamentals & DSA

Core runtime execution, JVM memory model, and in-place algorithms.

Core Topics

Two Pointers & Sliding Window
In-Place O(1) Memory Layout
Stack vs. Heap Allocations

Output:10+ verified DSA patterns in concepts/docs

PHASE 02Upcoming

Concurrency & JVM Internals

Multithreaded execution, locking mechanisms, and resource synchronization.

Core Topics

Java Memory Model (JMM)
ThreadPools & Virtual Threads
Locks & Atomic Primitives

Output:Concurrent task processing engine

PHASE 03Upcoming

Database Internals & Caching

Relational persistence mechanics and high-speed cache topologies.

Core Topics

PostgreSQL B-Tree Indexing
MVCC & Transaction Isolation
Redis Cache-Aside Patterns

Output:High-throughput database benchmark

PHASE 04Upcoming

Distributed Systems & DDD

Domain-driven decomposition and fault-tolerant event pipelines.

Core Topics

Domain-Driven Design (DDD)
Kafka Event-Driven Streams
Saga & Outbox Patterns

Output:Resilient microservices architecture

PHASE 05Upcoming

High-Throughput Architecture

Enterprise blueprinting, Cloud-Native scale, and mission-critical resilience.

Core Topics

High Availability & Scalability
Cloud Infrastructure (AWS/GCP)
Zero-Downtime Resilience

Output:Production-grade distributed system blueprint

Work History

Where I've Worked

Fullstack / Backend Developer

K-Solutions

09/2025 — 10/2026

LaravelMySQLRedisDockerTypeScriptNext.jsVue.jsWordPress

Backend Developer Intern

TA Solutions

03/2025 — 09/2025

Express.jsMongoDBRedisRabbitMQMySQL

Projects

Featured Work

Repositories In Refactoring

Curated backend codebases and algorithmic engines are currently being packaged for public showcase.

Skills

Technical Arsenal

Core & Languages

JavaPHP (Laravel)JS/TSSQL

Databases & Caching

PostgreSQLMySQLRedisMongoDBACID & Locking

Message Queue

RabbitMQRedis Pub/SubDLX & TTL

Architecture & Patterns

MVCDomain-Driven Design (DDD)Clean ArchitectureOOP & SOLID

DevOps & Infrastructure

DockerLinux (LPIC-1)CI/CD

Contact

Let's Build Together

Have an engineering opportunity, a system challenge, or want to discuss architecture? Let's connect.

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