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

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.
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 2023Started formal computer science education at Royal University of Phnom Penh while beginning practical training.
Skills Acquired
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.
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.
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.
Projects
Selected work
Real-world applications I've built from concept to production
Production Ownership
2024NeuralShield 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.
4 weeks
Development Time
6
RBAC Roles
Project Lead
2024-2026Atlas 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.
5 developers
Team Size
50+
API Endpoints
Full-Stack Development
2025REEDAR - 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.
3 months
Development Time
50+
Vehicles
System Design
2025BS Express - Logistics Management
Designed multi-role operational workflows for a logistics platform, including driver assignment, QR-based parcel scanning, and real-time status tracking.
3
Workflow Types
Real-time
Status Updates
Full-Stack Development
2026ArtiSea - Digital Publishing Platform
Developed a full-stack publishing platform with social discovery features, rich-text editing, and content classification system.
4
Content Types
40% increase
User Engagement
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.
developmentFull-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.
developmentRBAC Implementation
Designing and implementing Role-Based Access Control systems with granular permissions, role inheritance, and secure API endpoints.
developmentFrontend Architecture
Creating maintainable, scalable frontend architectures with clean component hierarchies, state management strategies, and performance optimizations.
developmentSystem Design Consulting
Providing technical guidance on system architecture, database design, and workflow optimization for complex web applications.
consultingTechnical Training
Offering workshops and mentorship on modern web development technologies including Next.js, NestJS, and secure backend practices.
trainingTestimonials
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
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.
Certifications
Continuous learning
Contact
Let's build something solid.
Open to full-time opportunities, freelance projects, and technical collaborations