Khem Seangleng

Full-Stack Developer

I'm Leng, a Full-stack developer with an interest in both front-end design and backend system design. I work mainly with Vue, React, and modern JavaScript to build clean, responsive, and user-friendly interfaces. I enjoy learning new tools, improving code quality, and collaborating to create accessible, practical web experiences.

Based in Phnom Penh, Cambodia· RUPP Computer Science

4+

Years Experience

4

Major Platforms

6+

RBAC Roles Built

Portrait of Khem Seangleng

About Me

Building clean interfaces and robust system architectures

I'm Leng, a Full-stack developer with an interest in both front-end design and backend system design. I work mainly with Vue, React, and modern JavaScript to build clean, responsive, and user-friendly interfaces. I enjoy learning new tools, improving code quality, and collaborating to create accessible, practical web experiences.

Secure RBAC Systems

Granular permission hierarchies, role inheritance, and secure API endpoints for enterprise administrative tools.

Frontend Engineering

Responsive, component-driven UI with React, Vue, Next.js, and TypeScript focused on speed and usability.

Backend & Databases

Scalable RESTful services with NestJS & Express, paired with PostgreSQL & MySQL schema optimizations.

Operational Workflows

Multi-role delivery handoffs, real-time push notification pipelines, and QR verification systems.

Key Highlights & Background

Full-Stack Developer with strong expertise in Vue, React, Next.js, and NestJS
Architected multi-role operational workflows and real-time push notification triggers for BS Express Cambodia
Developed AI model analysis frontend and large-scale RBAC Admin Dashboard at Prestige Alliance
Built and launched thecoauthor.com digital publishing platform with rich-text editor and auto-save
Pursuing Bachelor of Computer Science at Royal University of Phnom Penh (4th Year)

Interests & Hobbies

Exploring new System Design technologiesPracticing UI/UX designCoding challenges & hackathonsReading tech articlesPhotography and Editing

My Professional Journey

From Intern to Full-Stack Lead

Explore my career progression, skill development, and key projects that shaped my expertise

Began Computer Science Degree

Began Computer Science Degree

January 2022

Started formal computer science degree at Royal University of Phnom Penh, focusing on web development, algorithms, and software engineering.

Skills Acquired

Programming FundamentalsData StructuresAlgorithmsSoftware Engineering

Technical Skills

What I work with

Proficiencies built through production experience across the full stack

Experience

Professional history

Nov 2025 – May 2026

Prestige Alliance Co., Ltd.

Full-Stack Developer

Developed frontend systems for AI model analysis and built large-scale administrative interfaces with strict security considerations.

Neuralsh.com: Developed the frontend for an AI model analysis platform, managing secure backend API integrations and implementing strict security considerations. (Frontend)

Admin Dashboard: Built a large-scale interface for data storage and evaluation, featuring Role-Based Access Control (RBAC) and multiple dynamic user pages.

Developed SVG map API integrations and UI performance optimization.

Next.jsRBAC ImplementationAI Model IntegrationSVG Map APIUI Optimization

May 2026 – Jul 2026

BS Express Cambodia

IT Developer Staff

Engineered operational workflows and interfaces for logistics management and driver applications.

BS Express Driver App: Understood and implemented multi-role operational workflows: Branch-to-Branch, Branch-to-Customer, and Customer-to-Branch.

Design UI & Structured push notification triggers and real-time status handoffs across Dashboard, Driver App, and Customer interfaces.

Optimized driver assignment processes and tracking accuracy across distribution hubs.

Workflow ArchitecturePush NotificationsReal-time HandoffsMobile UI Design

Projects

Selected work

Real-world applications I've built from concept to production

thecoauthor.com - Article Writer Platform

Featured Platform

2026

thecoauthor.com - Article Writer Platform

Leading full-stack architecture for a multi-role publishing platform with distraction-free rich-text editing, auto-save drafts, and seamless publishing workflows.

Next.jsNestJSPostgreSQLTiptap

Articles & Stories

Content Types

<100ms

Editor Latency

Neuralsh.com - AI Model Analysis Platform

Frontend & Security

2025 - 2026

Neuralsh.com - AI Model Analysis Platform

Developed frontend for an AI model analysis platform with secure API integrations, strict security considerations, and a large-scale RBAC Admin Dashboard.

Next.jsReactTypeScriptRBAC

Strict RBAC

Security

Custom SVG

Map API

BS Express - Driver App & Logistics System

Operational Systems

2026

BS Express - Driver App & Logistics System

Architected multi-role operational workflows (Branch-to-Branch, Branch-to-Customer, Customer-to-Branch) and real-time push notification status handoffs.

Workflow ArchitecturePush NotificationsQR ScanningReal-Time Tracking

3 Multi-Role Flows

Workflows

Real-time

Notifications

REEDAR - Car Rental Web Application

Full-Stack Development

2025

REEDAR - Car Rental Web Application

Built a car rental web application with Vue.js, featuring responsive design, dynamic UI for browsing and booking vehicles, and streamlined workflows.

Vue.jsJavaScriptTailwind CSSBooking Workflows

Vue.js

Framework

+15%

Conversion

LengSeang.Dev - Personal Portfolio

Personal Project

2026

LengSeang.Dev - Personal Portfolio

Built first personal portfolio website with React, featuring a responsive, accessible design, modular architecture, and SEO optimization.

ReactNext.jsTypeScriptTailwind CSS

100/100

Performance

Accessible

Design

Services

What I offer

From secure admin systems to full-stack web architectures

Secure Admin Systems & RBAC

Architecting enterprise admin dashboards with strict Role-Based Access Control, security reviews, and real-time monitoring.

development

Full-Stack Web Platforms

End-to-end web applications built with Next.js, NestJS, React, Vue.js, and PostgreSQL for high reliability and scale.

development

UI/UX & Responsive Design

Designing clean, accessible, and user-friendly web and mobile interfaces using Figma, Canva, and modern CSS frameworks.

design

Workflow Architecture & APIs

Designing multi-role operational workflows, push notification pipelines, and robust RESTful / GraphQL APIs.

consulting

Performance & UI Optimization

Optimizing frontend render performance, SVG map APIs, bundle size, SEO, accessibility, and Core Web Vitals.

development

Education

Academic background

Jan 2022 – Dec 2026 (4th Year - Current)

Bachelor of Computer Science

Royal University of Phnom Penh

Formal computer science study covering core algorithms, software engineering, and web development alongside active coding club projects.

Jan 2023 – June 2023

Front-End Development

Instinct Institute

Comprehensive front-end engineering program focused on modern component architectures.

July 2023 – Dec 2023

Back-End Development

Instinct Institute

Server-side programming, database architecture, and backend systems integration.

Contact

Let's build something solid.

Open to full-time opportunities, freelance projects, and technical collaborations

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