محمد حارس

Engineering owner of Fleetable — an enterprise ERP web application serving fleet management, collections, inventory, and HR
operations. Own the full software development lifecycle from technical design and documentation through testing and
production deployment.
• Software Development & UI Design: Architected and delivered a production-grade payment terminal web
integration for Fleetables Collections module, designing the full UI/UX flow and React component architecture,
including a resilient Arabic/English localised interface with automated fault-recovery — achieving zero-downtime
transaction processing in production.
• Database Design & Integration: Designed and delivered an API-driven integration pipeline connecting SalesBuzz
CRM with Epicor ERP, including database schema design considerations for data consistency, achieving 99% data
write accuracy across 1, 300+ monthly transactions. Implemented structured error handling, automated retry
logic, and audit trail logging.
• Technical Documentation: Authored technical specifications and design documentation for ERP integration
projects, including formal Azure DevOps work-item documentation, architecture decisions, and integration design
notes used by cross-functional teams to plan and track delivery.
• Testing & Quality Assurance: Conducted structured testing and QA processes across multiple projects, including a
formal UI/UX quality audit of the Fleetable Rent A Car (FRAC) mobile application — benchmarking each screen
against design specifications and producing a priority-classified issue report and test findings document that
directly informed the next development sprint.
• Real-Time Operations Dashboard: Built a live monitoring dashboard surfacing integration health and throughput
in real time, giving management instant visibility into transaction volumes, success rates, and failure alerts.
• Customer Feedback & Reporting Platform: Delivered a full-stack web application that dispatches role-specific
customer feedback forms and feeds a structured reporting module producing quantitative performance scores —
demonstrating end-to-end database design, UI development, and reporting integration.
• AI-Powered Valuation Integration: Built an LLM-integrated vehicle valuation feature within a Power Apps fleet
management tool — sending structured vehicle specifications and maintenance history as context to OpenAI and
DeepSeek APIs, with schema-constrained JSON output parsing for automated market value and condition scoring,
replacing manual valuation lookups.
• Service Architecture & Code Quality: Refactored a monolithic ERP data-sync script into a modular service
architecture, reducing time-to-integrate new endpoints by over 60%. Conducted code reviews and built RESTful
APIs with JWT authentication and Docker-containerised deployments.
Stack: React.js
◦ JavaScript (ES6+)
◦ HTML5/CSS3
◦ Node.js
◦ Python
◦ PostgreSQL
◦ MongoDB
◦ MySQL
◦ REST APIs
◦ Docker
◦ AWS
◦
Epicor ERP
◦ Azure DevOps
◦ OpenAI API
◦ DeepSeek API

Engineering lead for a 4-person frontend team building a multi-module SaaS web application from early-stage through
production.
• Code Reviews & Quality Standards: Led a team of 4 engineers — established coding standards, conducted
systematic code reviews, and improved overall code quality and delivery consistency.
• Web Application Architecture: Owned critical product modules end-to-end using React, JavaScript, and
TypeScript, with a consistent focus on scalability, performance, and maintainability of the web application.
• UI Component System: Designed and maintained a shared UI component library, standardising design
implementation and reducing development time across the product.
Stack: React
◦ JavaScript
◦ TypeScript
◦ HTML5/CSS3
◦ Docker
◦ AWS

• Web Application Development: Designed and delivered a WebRTC-based video and audio calling web feature
integrated with a backend signalling service, providing real-time communications for enterprise teams.
Stack: React
◦ JavaScript
◦ WebRTC
◦ HTML5/CSS3

• Legacy System Modernisation: Led migration of a legacy enterprise web product to a modern React/HTML5
frontend for enterprise clients across US, European, and Middle East markets, with zero data loss and full feature
parity.
Stack: React.js
◦ JavaScript
◦ HTML5
◦ CSS3

Worked as React/ Frontend developer . Basic role was to make pixel perfect Ui for mobile /web apps using React and managing state of app using Redux.

• Built cross-platform mobile applications using React Native, integrating with Firebase backend services for data
synchronisation and authentication.
Stack: React Native
◦ React.js
◦ Firebase
◦ JavaScript