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

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
Interests & Hobbies
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
January 2022Started formal computer science degree at Royal University of Phnom Penh, focusing on web development, algorithms, and software engineering.
Skills Acquired
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.
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.
Projects
Selected work
Real-world applications I've built from concept to production
Frontend & Security
2025 - 2026Neuralsh.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.
Strict RBAC
Security
Custom SVG
Map API
Operational Systems
2026BS 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.
3 Multi-Role Flows
Workflows
Real-time
Notifications
Full-Stack Development
2025REEDAR - 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.js
Framework
+15%
Conversion

Personal Project
2026LengSeang.Dev - Personal Portfolio
Built first personal portfolio website with React, featuring a responsive, accessible design, modular architecture, and SEO optimization.
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.
developmentFull-Stack Web Platforms
End-to-end web applications built with Next.js, NestJS, React, Vue.js, and PostgreSQL for high reliability and scale.
developmentUI/UX & Responsive Design
Designing clean, accessible, and user-friendly web and mobile interfaces using Figma, Canva, and modern CSS frameworks.
designWorkflow Architecture & APIs
Designing multi-role operational workflows, push notification pipelines, and robust RESTful / GraphQL APIs.
consultingPerformance & UI Optimization
Optimizing frontend render performance, SVG map APIs, bundle size, SEO, accessibility, and Core Web Vitals.
developmentEducation
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.
Certifications
Continuous learning
Contact
Let's build something solid.
Open to full-time opportunities, freelance projects, and technical collaborations