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Hao.dev

Hello, I'm

Le Ngoc Hao

Java Backend Developer Intern / Fresher

Software Engineering student focused on Java Backend Development, with experience in Spring Boot REST APIs, microservices, databases, Docker, and basic CI/CD. Able to collaborate across web/mobile teams and quickly learn new technologies.

JavaSpring BootSpring SecurityRESTful APIJWTMicroservicesPostgreSQL
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About me

A focused snapshot of my background, education, and backend direction.

I am a Software Engineering student at Industrial University of Ho Chi Minh City, focusing on Java Backend Development. I am interested in backend architecture, API design, databases, cloud deployment, and building practical software systems.

Location

Ho Chi Minh City, Vietnam

University

Industrial University of Ho Chi Minh City

Major

Software Engineering

GPA

3.54 / 4.00

Focus

Java Backend Development

Skills

Technologies I use across backend systems, deployment, databases, frontend collaboration, and IoT integrations.

Backend

JavaSpring BootSpring SecurityRESTful APIJWTMicroservices

Database & Cache

PostgreSQLMongoDBRedis

DevOps & Cloud

DockerDocker ComposeDocker HubGitHub ActionsAWS EC2AWS S3

Frontend / Mobile

JavaScriptTypeScriptReactJSNext.jsReact NativeHTMLCSSTailwind CSS

Messaging / IoT

MQTTKafka basicESP32 basicIoT telemetrySensor data processing

Tools

GitGitHubPostmanMavenIntelliJ IDEAVS Code

Featured projects

Selected projects that show backend architecture, API design, deployment, and cross-platform collaboration.

Graduation ThesisBackendIoTAlerting

Leafy – AIoT Smart Agriculture Platform

AIoT monitoring and AI-based leaf disease diagnosis.

Role

Backend / IoT / Web & Mobile Contributor

A smart agriculture platform combining IoT monitoring, AI-based leaf disease diagnosis, alerting, notifications, and advisory features.

JavaSpring BootMicroservicesMongoDBPostgreSQLRedisKafka

Highlights

  • Developed backend services for IoT telemetry, farm management, disease diagnosis, notifications, and file storage.
  • Designed REST APIs, service communication, and data models across core system modules.
BackendClean ArchitectureCI/CDCloud

Cosmetics E-commerce System

Clean Architecture & Modular Monolithic Backend.

Role

Backend Developer | Deployment & CI/CD

An e-commerce system built with Java Spring Boot, Clean Architecture, Modular Monolithic design, and Docker-based deployment.

JavaSpring BootPostgreSQLRedisDockerGitHub ActionsAWS EC2

Highlights

  • Designed backend architecture using Clean Architecture and Modular Monolithic principles.
  • Implemented cart, order, product data management, and product search optimization.

Education

Academic background and achievements that support my backend development path.

Industrial University of Ho Chi Minh City

Major

Software Engineering

GPA

3.54 / 4.00

Achievements

Graduation Thesis Score: 10/10

Achieved a final thesis score of 10/10 for Leafy – AIoT Smart Agriculture Platform.

Promising Award

Received the Promising Award at the Faculty-level Student Scientific Conference.

Completed One Semester Early

Completed the graduation thesis one semester earlier than the standard academic schedule.

Certificates

Learning, preparation, and practice items. These are not presented as official certificates unless clearly stated.

Learning item

TOEIC Preparation

Self-study / preparation

Learning and preparation item for English proficiency. This is not an official issued certificate.

Learning item

Backend Development Learning Path

Learning path

Practice-oriented backend learning item covering Java, Spring Boot, APIs, and database fundamentals.

Learning item

Cloud & Deployment Practice

Project practice

Practice item for Docker, GitHub Actions, Docker Hub, AWS EC2, and deployment workflows.

Latest writing

Short technical notes about backend architecture, IoT workflows, deployment, and lessons from projects.

IoTSpring BootMQTT

How I Built the IoT Alert Workflow in Leafy

A technical note about turning ESP32 telemetry and sensor thresholds into farmer-facing alert events.

Jun 01, 20265 min read
Read more
JavaSpring BootClean Architecture

Applying Clean Architecture in a Spring Boot E-commerce System

How modular boundaries and clean layering helped organize backend logic in an e-commerce project.

May 20, 20266 min read
Read more
DockerAWS EC2CI/CD

Deploying a Spring Boot Backend with Docker and AWS EC2

A concise deployment workflow using Docker images, Docker Hub, GitHub Actions, and AWS EC2.

May 10, 20264 min read
Read more

Contact

Open to Java Backend Intern/Fresher opportunities and practical backend projects.