Khem Seangleng

Frontend-Focused Full-Stack Developer

Frontend-first full-stack developer with production experience building secure admin systems, multi-role SaaS platforms, and logistics workflows. Proven track record of owning frontend architecture from prototype to production.

Based in Phnom Penh, Cambodia

Professional summary

Full-Stack Development
Secure Admin Systems
RBAC Implementation
SaaS Platforms
Next.js & NestJS
Clean Architecture
Portrait of Khem Seangleng

Current focus

Secure products, admin systems, and clean frontend architecture.

About

Frontend-focused, product-minded, and building secure systems

I specialize in creating secure, scalable web applications with a focus on frontend architecture and clean backend integration. My expertise spans Next.js, NestJS, React, and PostgreSQL, with a particular strength in RBAC systems and RESTful API design. I've successfully led projects from concept to production, implementing robust authentication systems and role-based access control for complex SaaS platforms.

Promoted from intern to full-time developer in 3 months at Prestige Alliance
Transformed an incomplete prototype into a production admin system in 4 weeks
Leading full-stack development of a multi-role real-estate SaaS platform

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 2023

Started formal computer science education at Royal University of Phnom Penh while beginning practical training.

Skills Acquired

Programming FundamentalsData StructuresAlgorithms

Technical Skills

What I work with

Proficiencies built through production experience across the full stack

Experience

Professional history

2024-02 - Present

Prestige Alliance Co. Ltd, Phnom Penh

Frontend Developer → Frontend Owner - NeuralShield IVS

Promoted from intern to full-time and trusted to own the NeuralShield IVS admin frontend, transforming a prototype into a production system.

Turned an incomplete prototype into a production admin system in four weeks.

Architected an RBAC dashboard supporting 6 roles and 20+ permissions.

Refactored frontend into a modular architecture with improved maintainability.

Next.jsRBAC ImplementationFrontend ArchitectureSonarQube

2024-09 - Present

Prestige Alliance Co. Ltd, Phnom Penh

Project Lead - Atlas Property SaaS

Leading full-stack development of a multi-role real-estate SaaS platform with secure backend foundations and comprehensive marketplace features.

Directing development of a property marketplace with Next.js and NestJS.

Designed JWT authentication system with role-based access control.

Modeled database schemas for listings, availability, and agent lead management.

NestJSJWT AuthenticationMarketplace ArchitecturePostgreSQL

2025-01 - 2025-06

Independent Project

Full-Stack Developer - REEDAR Car Rental

Built a comprehensive car rental platform with Next.js and NestJS, featuring booking flows and real-time availability tracking.

Developed full-stack rental platform from concept to production.

Implemented JWT authentication and secure payment processing.

Created real-time vehicle availability system.

Clean ArchitectureStripe IntegrationReal-time DataMapbox API

Projects

Selected work

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

NeuralShield IVS Admin Frontend

Production Ownership

2024

NeuralShield IVS Admin Frontend

Took ownership of the frontend and transformed an incomplete prototype into a production admin system in four weeks, including secure role-based interface flows.

Next.jsReactTypeScriptRBAC

4 weeks

Development Time

6

RBAC Roles

Live Demo
Atlas Property - Real-Estate SaaS

Project Lead

2024-2026

Atlas Property - Real-Estate SaaS

Leading full-stack development of a multi-role real-estate SaaS platform with Next.js and NestJS, featuring JWT authentication and role-scoped APIs.

Next.jsNestJSPostgreSQLJWT

5 developers

Team Size

50+

API Endpoints

Live Demo
REEDAR - Car Rental Platform

Full-Stack Development

2025

REEDAR - Car Rental Platform

Built a full-stack rental platform with Next.js and NestJS, implementing JWT authentication, booking flows, and real-time vehicle availability tracking.

Next.jsNestJSPostgreSQLJWT

3 months

Development Time

50+

Vehicles

Live Demo
BS Express - Logistics Management

System Design

2025

BS Express - Logistics Management

Designed multi-role operational workflows for a logistics platform, including driver assignment, QR-based parcel scanning, and real-time status tracking.

Workflow DesignSystem ArchitectureQR ScanningPush Notifications

3

Workflow Types

Real-time

Status Updates

ArtiSea - Digital Publishing Platform

Full-Stack Development

2026

ArtiSea - Digital Publishing Platform

Developed a full-stack publishing platform with social discovery features, rich-text editing, and content classification system.

Next.jsNestJSPostgreSQLTiptap

4

Content Types

40% increase

User Engagement

Live Demo

Services

What I offer

From secure admin systems to full-stack SaaS development

Secure Admin Systems

Designing and developing robust admin interfaces with role-based access control, secure authentication, and comprehensive data management capabilities.

development

Full-Stack SaaS Development

Building scalable Software-as-a-Service platforms with Next.js and NestJS, featuring multi-role architectures, secure APIs, and comprehensive business workflows.

development

RBAC Implementation

Designing and implementing Role-Based Access Control systems with granular permissions, role inheritance, and secure API endpoints.

development

Frontend Architecture

Creating maintainable, scalable frontend architectures with clean component hierarchies, state management strategies, and performance optimizations.

development

System Design Consulting

Providing technical guidance on system architecture, database design, and workflow optimization for complex web applications.

consulting

Technical Training

Offering workshops and mentorship on modern web development technologies including Next.js, NestJS, and secure backend practices.

training

Testimonials

What people say

Khem transformed our admin frontend from a prototype to a robust production system in record time. His attention to security and user experience was exceptional.
Sokha Lim

Sokha Lim

Product Lead, NeuralShield

Education

Academic background

Expected Dec 2026

Bachelor of Computer Science

Royal University of Phnom Penh

Formal computer science study alongside hands-on product work.

2023 - 2024

Full-Stack Bootcamp - React, Vue.js, Laravel

Instinct Institute, Phnom Penh

Practical full-stack training across modern frontend and backend tools.

Completed

Flutter & Dart: Cross-Platform Mobile Development

Instinct Institute, Phnom Penh

Expanded into mobile product development and cross-platform thinking.

Contact

Let's build something solid.

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

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