Hoanh Le Kien | Full-Stack Software Developer

Production Logs

Full-Stack Development

Talent Acquisition System

Sep 2023 - Present

Laravel 10Next.jsGraphQLTS

The Challenge

Managing complex multi-tenant data isolation while allowing customizable recruitment workflows and white-label branding.

The Solution

Architected a multi-tenant schema with a flexible workflow builder and a headless API using GraphQL for third-party integration.

Key Features

Customizable workflow builder for diverse hiring processes
CV/Resume management with automated screening & assessment
Real-time candidate-employer communication channels
Multi-tenant architecture supporting multiple organizations
Analytics dashboards and recruitment metrics tracking
RESTful API for seamless third-party integrations

Responsibilities

Develop client-requested features and core functionalities
Analyze potential impact of new requirements on performance
Provide technical consultation for optimal system adjustments
Break down complex tasks into manageable components
Ensure system stability and scalability during implementation

Backend Engineering

Insurance Application

Aug 2022 - Aug 2023

Laravel 8Vue.js 3MySQL 5.7TS

The Challenge

Instantly calculating underwriting points and matching insurance packages based on extensive health and financial profiles.

The Solution

Developed an intelligent matching engine with real-time risk evaluation algorithms optimized for calculation accuracy.

Key Features

Automated underwriting point calculation via data analysis
Comprehensive health and financial risk assessment profiles
Intelligent package matching system with real-time recommendations
Secure customer information management with data processing
Automated eligibility screening and coverage recommendations

Responsibilities

Analyze feasibility of new requirements on architecture
Provide technical consultation and recommend system improvements
Debug and troubleshoot application issues for seamless operation
Optimize underwriting algorithms for accuracy and performance

Web Development

Song Han Tourist v2

Sep 2021 - Present

Laravel 8Livewire 2Next.js 11CentOS

The Challenge

Reconstructing a major tourism platform while integrating CRM, booking, and documentation into a single tool.

The Solution

Built a unified full-stack solution with automated Zalo notification services and integrated secure payment gateways.

Key Features

Advanced Content Management System for administration
Integrated CRM with client and lead tracking
Digital travel document management and storage system
Zalo notification service for automated confirmations/OTP
Real-time booking status updates and customer communication

Responsibilities

Analyze business requirements and develop technical solutions
Lead full-stack development of the tourism management platform
Conduct code reviews and manage team pull request approvals
Configure and maintain VPS server infrastructure (Nginx)
Oversee CI/CD pipeline implementation using GitHub Actions

Optimization

Song Han Modernization

Sep 2020 - May 2021

The Challenge

Removing outdated legacy features and improving system performance while implementing new booking tools.

The Solution

Upgraded core capabilities with WiFi booking services and streamlined payment link generation for flexible billing.

Key Features

WiFi booking functionality with dedicated online payment
Staff payment link generation tool for flexible billing
System optimization through identifying legacy bottlenecks
RESTful API for seamless third-party integrations

Responsibilities

Develop and implement WiFi booking and payment link generation
Conduct thorough code reviews and manage pull request workflows
Configure and maintain VPS server infrastructure
Establish CI/CD pipeline using GitHub Actions for deployment

Integration

H.I.S. Manila Blog

The Challenge: Visualizing analytics dashboard in real-time.

Built a streamlined blog platform for H.I.S. Philippines with integrated Google Analytics API and content syndication.

Laravel 6Google API

Product Development

MICHI Spa Ecosystem

The Challenge: Multilingual customer scheduling.

Comprehensive booking and management system featuring resource allocation and automated reminders.

Laravel 5jQuery

E-Commerce

SKYhub Vietnam

The Challenge: Scalable tour availability tracking.

Online tour booking platform for H.I.S. featuring Onepay payment integration and trip coordination tools.

Laravel 5Onepay

Production Logs

Full-Stack Development

Talent Acquisition System

Sep 2023 - Present

Laravel 10Next.jsGraphQLTS

The Challenge

Managing complex multi-tenant data isolation while allowing customizable recruitment workflows and white-label branding.

The Solution

Architected a multi-tenant schema with a flexible workflow builder and a headless API using GraphQL for third-party integration.

Key Features

Customizable workflow builder for diverse hiring processes
CV/Resume management with automated screening & assessment
Real-time candidate-employer communication channels
Multi-tenant architecture supporting multiple organizations
Analytics dashboards and recruitment metrics tracking
RESTful API for seamless third-party integrations

Responsibilities

Develop client-requested features and core functionalities
Analyze potential impact of new requirements on performance
Provide technical consultation for optimal system adjustments
Break down complex tasks into manageable components
Ensure system stability and scalability during implementation

Backend Engineering

Insurance Application

Aug 2022 - Aug 2023

Laravel 8Vue.js 3MySQL 5.7TS

The Challenge

Instantly calculating underwriting points and matching insurance packages based on extensive health and financial profiles.

The Solution

Developed an intelligent matching engine with real-time risk evaluation algorithms optimized for calculation accuracy.

Key Features

Automated underwriting point calculation via data analysis
Comprehensive health and financial risk assessment profiles
Intelligent package matching system with real-time recommendations
Secure customer information management with data processing
Automated eligibility screening and coverage recommendations

Responsibilities

Analyze feasibility of new requirements on architecture
Provide technical consultation and recommend system improvements
Debug and troubleshoot application issues for seamless operation
Optimize underwriting algorithms for accuracy and performance

Web Development

Song Han Tourist v2

Sep 2021 - Present

Laravel 8Livewire 2Next.js 11CentOS

The Challenge

Reconstructing a major tourism platform while integrating CRM, booking, and documentation into a single tool.

The Solution

Built a unified full-stack solution with automated Zalo notification services and integrated secure payment gateways.

Key Features

Advanced Content Management System for administration
Integrated CRM with client and lead tracking
Digital travel document management and storage system
Zalo notification service for automated confirmations/OTP
Real-time booking status updates and customer communication

Responsibilities

Analyze business requirements and develop technical solutions
Lead full-stack development of the tourism management platform
Conduct code reviews and manage team pull request approvals
Configure and maintain VPS server infrastructure (Nginx)
Oversee CI/CD pipeline implementation using GitHub Actions

Optimization

Song Han Modernization

Sep 2020 - May 2021

The Challenge

Removing outdated legacy features and improving system performance while implementing new booking tools.

The Solution

Upgraded core capabilities with WiFi booking services and streamlined payment link generation for flexible billing.

Key Features

WiFi booking functionality with dedicated online payment
Staff payment link generation tool for flexible billing
System optimization through identifying legacy bottlenecks
RESTful API for seamless third-party integrations

Responsibilities

Develop and implement WiFi booking and payment link generation
Conduct thorough code reviews and manage pull request workflows
Configure and maintain VPS server infrastructure
Establish CI/CD pipeline using GitHub Actions for deployment

Integration

H.I.S. Manila Blog

The Challenge: Visualizing analytics dashboard in real-time.

Built a streamlined blog platform for H.I.S. Philippines with integrated Google Analytics API and content syndication.

Laravel 6Google API

Product Development

MICHI Spa Ecosystem

The Challenge: Multilingual customer scheduling.

Comprehensive booking and management system featuring resource allocation and automated reminders.

Laravel 5jQuery

E-Commerce

SKYhub Vietnam

The Challenge: Scalable tour availability tracking.

Online tour booking platform for H.I.S. featuring Onepay payment integration and trip coordination tools.

Laravel 5Onepay

SOFTWARE
DEVELOPER.

Production Logs

Talent Acquisition System

Insurance Application

Song Han Tourist v2

Song Han Modernization

H.I.S. Manila Blog

MICHI Spa Ecosystem

SKYhub Vietnam

Technical Proficiency

University of Greenwich Vietnam

FPT Nanoversity

Engineering History

CMC Global — Software Developer

H.I.S. Vietnam — Website Developer, Team Leader

Production Logs

Talent Acquisition System

Insurance Application

Song Han Tourist v2

Song Han Modernization

H.I.S. Manila Blog

MICHI Spa Ecosystem

SKYhub Vietnam