Hello, I'm

Open to new opportunities

Lê Văn Cảnh

Java Full-Stack Developer

My goal: grow into a backend engineer who designs systems that scale, are secure and keep running.

About me

From the production line
to production code

  • 100% of monthly output targets, 20-person line at Samsung
  • 50+ daily ERP users on features I built at Nichietsu
  • ~40% less manual scheduling with a new approval flow at Nichietsu
  • ~380 API endpoints for buyers, sellers and admins on Multi-Vendor

Java Full-Stack Developer with hands-on experience building ERP systems and scalable web applications using Spring Boot, ReactJS, AWS, and REST APIs.

Delivered production features used by 50+ daily users, reducing manual processes by up to 40%.

Valedictorian of Aptech (ADSE 2023–2026) and 1st Place TechWiz Global IT Competition 2025. Strong delivery mindset from 7 years leading production teams at Samsung Electronics.

See My Journey

Tools & skills

Technologies I've Worked With

    Featured projects

    Selected Work

    Seven products, from semester projects at Aptech to a live enterprise system, an international competition and an AI capstone.

    My journey

    The Stations So Far

    1. Samsung Electronics HCMC CE Complex

      Production Line Leader

      Led a 20-person line for 7 years: hit 100% of monthly targets, trained 30+ operators, cut the defect rate by about 15%.

    2. Aptech Computer Education

      Career change

      Started the Advanced Diploma in Software Engineering (ADSE).

    3. Nichietsu

      Full-Stack Developer · .NET, Angular, PostgreSQL

      Migrated a legacy manufacturing system from .NET 3.5 to a modern stack and owned the Product module end to end. Inline-editable data grids made data entry about 30% faster.

    4. Nichietsu

      Full-Stack Developer · Java Spring Boot, ReactJS, Oracle

      Built the Construction Site Management module in a live ERP system, with no critical post-release bugs during my tenure.

    5. Aptech Computer Education

      Certified Next-Gen Professional – AI (ACNPRO-AI)

      Focused on Artificial Intelligence, Machine Learning & Deep Learning. Completed with a GPA of 97/100.

    6. TechWiz 6

      1st Place in the IoT Ignite track, team 404 Not Found

      Built the BreatheSafe air quality monitoring system in 5 days.

    7. AI capstone: neural image captioning

      ACNPRO-AI capstone · Team of 2

      Compared three encoders on Flickr30k, with a Streamlit demo app. Scored 94/100.

    8. Multi-Vendor E-Commerce

      Team Lead · Semester 4 project

      Led the team that built a multi-vendor marketplace. Scored 99/100.

    9. ADSE 2023–2026 Valedictorian

      GPA 93/100

      Spoke on behalf of the graduates at the “Develop to Shine” ceremony.

    10. Your team?

      Let's Talk

    Achievements

    Education & Awards

    The ADSE transcript and certificates are all viewable right here.

    Aptech · 2023–2026

    ADSE Valedictorian

    93/100

    Advanced Diploma in Software Engineering, top graduate of the cohort at Aptech Computer Education.

    Final mark per semester, out of 100
    Semester 1 89
    Semester 2 96
    Semester 3 92
    Semester 4 96

    Techwiz 6 · Global I.T. Competition

    1st Place, IoT Ignite

    Team 404 Not Found took the top spot in the IoT Ignite track, at a competition with teams from more than 15 countries.

    Aptech · 2025–2026

    Certified Next-Gen Professional – AI

    Artificial Intelligence, Machine Learning & Deep Learning

    Capstone project: neural image captioning, scored 94/100

    97/100

    Press

    In the News

    Aptech Vietnam articles, in Vietnamese, that mention me and the projects I worked on.

      Certificates

      Courses & Certificates

      Courses, workshops and competitions I completed at Aptech.

      Next station

      It could be your team.

      I'm happy to talk about career opportunities and new projects. Email or call, either works.

      58 technologies, from my CV, projects and coursework

      Technologies I've Worked With

      Languages

      • Java
      • Python
      • TypeScript
      • JavaScript
      • C#
      • PHP
      • Dart
      • HTML5
      • CSS3

      Backend

      • Spring Boot
      • Spring Security
      • Hibernate
      • Java EE / JPA
      • ASP.NET Core / MVC
      • Node.js
      • NestJS
      • Laravel
      • Flask
      • Socket.IO
      • WebSocket

      Frontend

      • ReactJS
      • Angular
      • Bootstrap
      • jQuery
      • Java Swing
      • Flutter
      • Figma

      Database

      • MySQL
      • SQL Server
      • Oracle
      • PostgreSQL
      • MongoDB
      • Redis
      • MariaDB
      • Flyway

      DevOps & Cloud

      • Docker
      • GitHub Actions
      • Linux
      • Nginx
      • Git
      • Maven
      • Eclipse
      • PM2
      • AWS
      • Azure

      Testing & reporting

      • Testcontainers
      • JasperReports
      • Power BI

      Payments & integrations

      • VNPay
      • Stripe
      • ZXing
      • Vbee API
      • ThingSpeak

      AI & IoT

      • PyTorch
      • Jupyter
      • Streamlit
      • OpenCV
      • Raspberry Pi

      Aptech Computer Education · ADSE 2023–2026

      ADSE Transcript

      Study performance for all four semesters, overall 93/100.

      ADSE study performance, semester 1
      Semester 1
      ADSE study performance, semester 2
      Semester 2
      ADSE study performance, semester 3
      Semester 3
      ADSE study performance, semester 4
      Semester 4

      Aptech Computer Education · ACNPRO-AI 2025–2026

      ACNPRO-AI Transcript

      Certified Next-Gen Professional – AI, overall 97/100.

      ACNPRO-AI study performance, overall 97/100