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Hiseen Samy • Full Stack Developer

Building Systems That Scale.

I build business applications, ERP and CRM systems, and reliable server infrastructure — turning complex operational needs into practical, maintainable solutions.

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Hiseen Samy

Available for Work

ABOUT ME & ARCHITECTURE

Engineering Software. Managing Infrastructure.

I'm a full-stack developer focused on building practical software solutions and maintaining the robust infrastructure they depend on. My work spans business management systems, web applications, backend integrations, databases, and hosting environments.

I approach projects with an emphasis on clear architecture, maintainability, reliable operation, and a user experience that makes complex workflows easier to manage.

Full-Stack ArchitectureModern Web SystemsHigh-Reliability Operations

Core Architectural Pillars

04 CAPABILITY AREAS

01ENTERPRISE / ERP

Enterprise Architecture

Engineered business systems for sales, inventory management, invoicing, CRM, and complex multi-departmental ERP workflows.

ERP WorkflowsCRM PlatformsDatabase ModelingInvoicing Engines

Production Scaled

02INFRASTRUCTURE / OPS

Server Administration

Server configuration, Linux hosting environments, deployment foundations, SSL/TLS certificates, and high-availability maintenance.

Linux / UbuntuNginx Web ServerSSL & HardeningVPS & Cloud

99.9% Uptime

03WEB / APIS

Full-Stack Development

Responsive, reactive user interfaces, backend services, high-throughput API integrations, and robust database architectures.

Next.js & ReactNode.js ServicesTailwindCSSREST & GraphQL

High Performance

04AUTOMATION / CI-CD

Infrastructure Automation

Practical automation for hosting workflows, container management, automated backup routines, and reliable system operations.

Docker ContainersCI/CD PipelinesShell AutomationSystem Health

Automated

TECHNICAL ECOSYSTEM & STACK

Interactive Tech Constellation

Explore the technologies, servers, and business systems I work with — organized in an interactive cosmic orbit.

CORE STACKSKILLS16+ Technologies

01ENTERPRISE / ERP

Enterprise & Business Systems

Designing and deploying practical business software that handles complex transactions, invoicing, and inventory pipelines.

Verified Stack

ERP SystemsCRM SystemsSales ManagementInventory ManagementInvoicing & BillingAccounting WorkflowsBusiness Process Automation

7 Capabilities

Mission-Critical

02FULL-STACK / WEB

Full-Stack Web Development

Building performant client interfaces, backend web services, and robust data persistence layers.

Verified Stack

JavaScriptPythonHTML5 & CSS3ReactNext.jsNode.jsExpressREST APIsDatabase IntegrationResponsive Web Interfaces

10 Capabilities

High Performance

03DEVOPS / LINUX

Server Administration & Hosting

Configuring, securing, and maintaining production Linux servers, web proxies, and mission-critical hosting stacks.

Verified Stack

Linux Server AdministrationWindows ServerVPS ManagementWeb Server ConfigurationNginxApacheSSL/TLSFirewall ConfigurationDeployment & Hosting OperationsDocker

10 Capabilities

99.9% Uptime

04PLATFORMS / ENGINES

Specialized Platforms

Tailored platform integrations, client billing automation, and high-concurrency game server scripting.

Verified Stack

WHMCS Configuration & CustomizationHosting AutomationFiveM Server DevelopmentLua ScriptingDatabase IntegrationGame Server Configuration

6 Capabilities

Custom Engineered

FEATURED WORK

Selected Projects & Systems

A selection of business software, hosting infrastructure, and specialized systems built around practical operational needs.

ERP / Business Software

Enterprise System

Bousla ERP

Role: Full Stack Developer

An integrated business management and enterprise resource planning system designed to streamline operational workflows across sales, inventory, and accounting.

Operational Challenge: Managing decentralized sales, inventory discrepancies, and disconnected invoicing across separate departments creates administrative friction and reporting errors.

Architectural Solution: Architected a unified software platform that links inventory tracking directly to sales orders, automated billing, and ledger workflows in one centralized system.

Core Capabilities

Sales Order Management
Multi-Warehouse Inventory
Automated Invoicing
Accounting Ledgers
Operational Analytics

JavaScriptReactNode.jsREST APIsRelational Database

Business Management Software

In Development

Bambozia System

Role: Full Stack Developer

A tailored business operations management system focused on structured administrative automation and standardized operational workflows.

Operational Challenge: Growing business operations require structured process execution and clear role permissions without unnecessary enterprise complexity.

Architectural Solution: Developing a streamlined web application with intuitive administrative controls, role-based access, and structured operational tracking.

Core Capabilities

Administrative Workflows
Role-Based Access Control
Operations Tracking
Process Automation

JavaScriptNext.jsExpressRESTful Services

CRM / Customer Operations

Client Solution

Original Store CRM

Role: Full Stack Developer - CRM • Original Computer Services

A dedicated customer relationship and service-tracking solution built for Original Computer Services to manage client tickets, repair orders, and customer records.

Operational Challenge: Manual intake of service requests and repair orders led to tracking delays and difficulties in tracking historical customer servicing records.

Architectural Solution: Created a custom CRM application that tracks service status from intake to completion, complete with customer communication records and transaction logs.

Core Capabilities

Customer Profile Management
Repair & Service Intake
Status Tracking
Billing & Service Logs

JavaScriptReactNode.jsDatabase Integration

Hosting / Infrastructure

Infrastructure Project

Avast Hosting

Role: Systems & Infrastructure Engineer

Server infrastructure operations and hosting solutions management, overseeing server provisioning, web proxies, and hosting environments.

Operational Challenge: Delivering reliable web hosting services requires consistent server provisioning, web server tuning, and security isolation across client workloads.

Architectural Solution: Engineered hardened Linux server stacks utilizing Nginx and Apache reverse proxies, automated SSL/TLS certificates, and firewall rule enforcement.

Core Capabilities

Linux Server Provisioning
Web Proxy Configuration
SSL/TLS Hardening
Firewall Management (UFW)
DNS & Domain Mapping

Linux (Ubuntu/Debian)Windows ServerNginxApacheSSL/TLSUFW/iptables

Game Server Development

Custom Development

FiveM Server Development

Role: Systems Developer

High-concurrency multiplayer game server infrastructure, custom Lua gameplay scripts, and persistent database synchronization for FiveM environments.

Operational Challenge: Multiplayer servers face synchronization lag, state desync, and database bottlenecks during concurrent gameplay events.

Architectural Solution: Engineered optimized Lua server scripts, structured database schema queries for sub-second read/write persistence, and performance-tuned server configs.

Core Capabilities

Lua Scripting & Architecture
Real-time State Synchronization
Persistent Database Query Tuning
Server Security & Anti-Exploit

LuaMySQL Database IntegrationLinux Server EnvironmentEvent-Driven Architecture

Hosting Automation

Systems Integration

WHMCS Configuration & Hosting Solutions

Role: WHMCS & Hosting Specialist

Custom WHMCS implementation providing automated client management, recurring billing cycles, server module hooks, and support ticketing workflows.

Operational Challenge: Manual billing, invoice generation, and server provisioning create operational bottlenecks and delay service activation for hosting customers.

Architectural Solution: Configured and customized WHMCS billing automation, linking payment confirmation directly to automated server provisioning hooks and support queues.

Core Capabilities

Recurring Billing Automation
Server Provisioning Hooks
Support Ticket Workflows
Client Portal Customization

WHMCS PlatformPHP/API HooksHosting Server APIsMySQL

Voice AI / Sales Assistant

Production Built (.EXE)

MEGASTORE-ROBOT

Role: Lead AI & Systems Developer

An intelligent voice-driven AI sales agent designed for MEGASTORE (Egyptian computer retail). Communicates naturally in authentic Egyptian Arabic dialect, searches local inventory via SQLite, and delivers real-time hardware recommendations with full offline capability.

Operational Challenge: Retail electronics customers need fast, tailored hardware recommendations and branch availability checks without navigating complex catalog filters or waiting for human sales staff.

Architectural Solution: Architected a resilient desktop voice agent combining local Qwen 2.5 LLM inference via Ollama, dual STT/TTS speech pipelines (faster-whisper and Edge-TTS with pyttsx3 fallback), and a thread-safe SQLite multi-criteria laptop ranking engine packaged as a standalone Windows executable.

Core Capabilities

Egyptian Arabic Conversational Voice Pipeline
Local Inventory Search & Multi-Criteria Laptop Scoring
Dual STT Engine (faster-whisper + Vosk Fallback)
PyQt5 Dark Luxury Desktop Interface
Standalone Windows .EXE & Multilingual Installer

PythonPyQt5Ollama & Qwen 2.5Gemini APIfaster-whisperEdge-TTSSQLitePyInstaller

Hardware Diagnostics

Hardware Utility

Test-Battery-Laptop

Role: Systems & Tooling Developer

A dedicated laptop battery diagnostic and load-testing utility engineered to benchmark cell health, track discharge curves, and detect sudden voltage drops or failing cells under operational stress.

Operational Challenge: Laptops often mask internal battery degradation, leading to sudden power drops, inaccurate OS percentage indicators, or sudden shutdowns when the machine experiences moderate workload spikes.

Architectural Solution: Developed an automated diagnostic tool that benchmarks full-charge vs. design capacity, monitors real-time discharge telemetry under simulated load, and flags irregular voltage drops and failing cells.

Core Capabilities

Real-time Discharge & Voltage Telemetry
Sudden Voltage Drop & Cell Failure Detection
Full Charge vs. Design Capacity Wear Analysis
Continuous Stress-Load Discharge Profiling
Automated Battery Health Diagnostic Reports

PythonWindows API (WMI)ACPI Battery TelemetryHardware DiagnosticsSystem Telemetry

CAREER & EXPERIENCE

Building, Managing & Developing Systems

A look at the professional engineering and technical work shaping my experience across business software, CRM solutions, hosting infrastructure, and specialized platforms.

Bousla ERP

Enterprise Solution

Full Stack Developer

Category: Enterprise Software

Architected and developed the Bousla ERP platform, developing structured data models for enterprise inventory, sales orders, automated billing, and ledger workflows.

Key Technical Responsibilities

Architected unified data models linking inventory levels directly to sales order generation and invoicing.
Engineered accounting workflow logic supporting multi-tier transaction tracking and balance summaries.
Designed responsive web management interfaces for administrative and warehouse operations.
Configured API integration layers between frontend views and backend database services.

JavaScriptReactNode.jsREST APIsRelational Database

Bambozia System

In Development

Full Stack Developer

Category: Business Management

Engineered and developed the Bambozia System to provide operations with structured role permissions, administrative automation, and operational tracking.

Key Technical Responsibilities

Defined operational requirement specifications and standardized administrative process flows.
Built role-based authorization rules separating operational permissions from administrative controls.
Developed structured database schemas for operational logs and activity tracking.
Integrated backend services with frontend administrative dashboards.

JavaScriptNext.jsExpressRESTful Services

Avast Hosting

Infrastructure Operations

Systems & Infrastructure Engineer

Category: Hosting & Infrastructure

Built and operated hosting infrastructure, managing Linux VPS instances, web server proxies, SSL/TLS security, and client hosting environments.

Key Technical Responsibilities

Provisioned and hardened Linux virtual private servers (Ubuntu/Debian) for web hosting workloads.
Configured and tuned Nginx and Apache web servers for reverse proxying and virtual host management.
Implemented automated SSL/TLS certificate renewal pipelines and security header configurations.
Enforced firewall policies (UFW/iptables) and system-level access controls to protect hosting nodes.

Linux (Ubuntu/Debian)Windows ServerNginxApacheSSL/TLSUFW/iptables

Original Computer Services

Systems Project

CRM & Systems Developer

Category: Client Solution

Designed and implemented a custom customer relationship and service-tracking solution for Original Computer Services to replace manual tracking methods.

Key Technical Responsibilities

Analyzed store workflow requirements for repair intakes, diagnostic updates, and pickup statuses.
Developed customer tracking modules allowing technicians to log repair progress and customer communications.
Implemented searchable service history records and customer billing logs.
Delivered an intuitive interface tailored for front-desk and technical staff use.

JavaScriptReactNode.jsDatabase Integration

Independent Projects

Custom Development

FiveM Systems Developer & Hosting Administrator

Category: Game Infrastructure

Developed and administered dedicated FiveM multiplayer game server environments, writing custom Lua gameplay scripts and optimizing persistent database sync.

Key Technical Responsibilities

Configured and maintained dedicated game server environments on Linux hosting nodes.
Authored custom Lua scripts for game mechanics, player inventory, and server event handling.
Integrated and tuned MySQL database query structures for low-latency player state persistence.
Monitored server resource utilization and applied configuration updates to sustain stability.

LuaMySQL Database IntegrationLinux Server EnvironmentEvent-Driven Systems

CLIENT & COMMUNITY FEEDBACK

Verified Feedback & Reviews

Genuine community comments and verified client endorsements from VPS hosting, servers, and systems infrastructure work.

@TA • !"HISEEN"

“الراجل دا راجل مية مية والله وراجل محترم ومن احسن الناس اللى عرفتها فى المجال وال VPS جمدان ♥”