Available for opportunities

Building
The Future

Software Engineer & Microservices Architect specializing in scalable systems, event-driven architecture, and modern web applications.

3+
Years Experience
86+
Projects
15+
Technologies
developer.js
mengseu@portfolio:~$
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Who I Am
Thoeng Mengseu

Crafting Digital
Experiences

I'maSoftwareEngineerandMicroservicesArchitectfromPhnomPenh,Cambodia.Ispecializeinbuildingenterprise-gradesystemsthatscale,withafocusoncleanarchitecture,performance,anduserexperience.EverylineofcodeIwriteiscraftedwithpurposeandprecision.

Microservices Architecture

Building scalable, resilient systems with Spring Boot, Apache Kafka, and event-driven patterns. Expertise in distributed systems and service orchestration.

Performance Engineering

Optimizing applications for maximum speed and efficiency. Profiling, caching strategies, and database optimization for seamless user experiences.

Full Stack Development

Crafting beautiful, responsive web applications with React, Next.js, TypeScript, and modern UI libraries. From concept to deployment.

Cloud & DevOps

Deploying containerized applications with Docker and Kubernetes. CI/CD pipelines, monitoring, and infrastructure as code.

System Design

Architecting robust solutions with clean code principles, SOLID patterns, and scalable design. Focus on maintainability and extensibility.

Problem Solving

Tackling complex challenges with creative solutions. Algorithm optimization, debugging, and turning requirements into elegant code.

3+
Years Exp
86+
Projects
15+
Tech Stack
100%
Passion

ISTAD Graduate 2024

📍 Phnom Penh, Cambodia 🇰🇭 | 💼 Open to opportunities | 🚀 Ready to build the future

Education

My Academic Journey

Feb 2024 - Jan 2025

Software Expert Training

Center of Science and Technology Advanced Development (CSTAD/ISTAD)

Advanced Software Engineering & Microservices

Completed intensive 1,670-hour program (Basic: 900hrs + Advanced: 770hrs). Mastered Spring Boot, Spring Advanced (HATEOAS, Data JPA, MongoDB, OAuth2, Keycloak, WebFlux), Microservices Architecture (decomposition patterns, API Gateway, service discovery, Kafka, observability), Docker, and cloud deployment.

2020 - 2025

Bachelor of MIS (Management Information System)

SECTEC Institute

Computer Science

Currently Junior year. Strong foundation in C, C++, Java, VB.NET, Database Management Systems (SQL Server, MySQL, Oracle), Data Structures & Algorithms, Web Development (ASP.NET, Java), and Management Information Systems.

2017 - 2020

BacII National Certificate

Sisowath High School

Secondary Education

Completed high school education with national certificate.

Journey

Experience &
Timeline

Staff of Data Management

ACLEDA Bank Plc.

Apr 2025 - Present
  • Performed data-related tasks using Oracle SQL in a high-security enterprise environment
  • Assisted in maintaining and querying large-scale financial databases
  • Gained experience with data governance and legacy banking systems
  • Currently in probation period and preparing to transition to backend development and microservices role
  • Working with enterprise-grade database systems in Cambodia's leading financial institution
Oracle SQLDatabase ManagementData GovernanceEnterprise Systems

Assistant (Social Media Management)

PKT Cambodia

Dec 2021 - Jan 2024
  • Managed and curated content for TikTok and Facebook platforms to increase audience engagement
  • Scheduled posts, monitored analytics, and responded to user comments to boost community interaction
  • Assisted in developing social media campaigns aligned with brand goals
  • Enhanced brand visibility and community engagement through strategic content planning
TikTokFacebookSocial Media MarketingContent ManagementAnalytics

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Tech
Arsenal

Technologies I use to build exceptional software

HTML/CSS
HTML/CSS
95%
Frontend
Java
Java
92%
Language
Spring Boot
Spring Boot
92%
Backend
Tailwind CSS
Tailwind CSS
92%
Frontend
Git
Git
92%
Tool
React.js
React.js
90%
Frontend
PostgreSQL
PostgreSQL
90%
Database
JavaScript
JavaScript
88%
Language
SQL
SQL
88%
Language
Next.js
Next.js
88%
Frontend
MySQL
MySQL
88%
Database
Docker
Docker
87%
Tool
TypeScript
TypeScript
85%
Language
Microservices
Microservices
85%
Backend
O
OAuth2
85%
Backend
Bootstrap 5
Bootstrap 5
85%
Frontend
Oracle
Oracle
85%
Database
Docker Compose
Docker Compose
85%
Tool
Figma
Figma
85%
Tool
MongoDB
MongoDB
83%
Database
Linux
Linux
83%
Tool
Apache Kafka
Apache Kafka
82%
Backend
SQL Server
SQL Server
80%
Database
NGINX
NGINX
78%
Tool
C/C++
C/C++
70%
Language

Let's Work
Together

Have a project in mind? Let's create something amazing together.

Location

Phnom Penh, Cambodia 🇰🇭

Connect