Hello, I am
MARLON
I design and develop scalable web applications and digital products built for performance, reliability, and real world use.
Featured Projects
Full-stack applications demonstrating strong engineering fundamentals, clean architecture, and practical business solutions.
Multi Tenant SaaS Platform for Cleaning Operations Management
A production ready multi tenant SaaS platform for managing bookings customers teams and operations across multiple cleaning businesses in a single system.
Impact
Streamlined service operations reduced manual coordination and enabled scalable management of high volume bookings across multiple teams and locations.
Key Features
- •Multi tenant architecture supporting multiple business accounts
- •Real time booking and scheduling system with availability logic
- •Customer management system with job history and tracking
- •Team and crew assignment with workflow status updates
- •Centralized dashboard for operations monitoring and control
- •Analytics system for tracking performance bookings and revenue
- •End to end workflow from request to job completion
Logistics and Moving Platform with Real Time Quotes and Booking System
A production ready logistics platform designed to handle real time quote generation booking workflows pricing logic and service operations from request to job completion
Impact
Improved booking efficiency reduced pricing errors and enabled structured management of high volume moving requests with consistent and scalable workflows.
Key Features
- •Real time quote engine based on distance load size and service parameters
- •Dynamic pricing system with customizable service options
- •Booking workflow from quote request to confirmed job
- •Scheduling system with availability and time slot handling
- •Centralized dashboard for managing jobs pricing and service requests
- •Customer flow tracking from inquiry to service completion
- •Backend logic for handling quotes bookings and operational workflows
Real Estate Marketplace Platform with Advanced Search Filtering and Real Time Data
A production ready real estate marketplace platform for property discovery advanced search filtering comparison and real time data handling across listings users and transactions
Impact
Improved property discovery speed reduced search friction and provided a scalable system for managing listings user interactions and real time updates.
Key Features
- •Advanced filtering system for price location property type and features
- •Real time listings powered by live database synchronization
- •Property comparison system for evaluating multiple listings
- •Saved properties system with persistent user state
- •Image upload system with drag and drop and reordering functionality
- •Admin dashboard for managing listings images and property data
- •Dynamic property pages with structured data and visual presentation
Full Stack E Commerce Platform with Cart Checkout and Payment System
A production ready e commerce platform designed to handle product listings cart management checkout workflows payment processing and order handling from browsing to purchase completion
Impact
Delivered a scalable commerce platform with reliable checkout workflows structured order handling and support for real transaction processing scenarios.
Key Features
- •Product catalog system with listing management and detailed product pages
- •Cart system for managing items quantities and pricing before checkout
- •Secure checkout flow with payment processing integration
- •User authentication for account based shopping experience
- •Order management system from purchase to completion
- •End to end commerce workflow from product discovery to payment confirmation
- •Backend logic for handling transactions cart state and order persistence
Frontend
Backend & Data
Systems & Support
QA & Testing
Tools & Workflow
Marlon Haynes
Full Stack Developer focused on SaaS and Web Applications
About Me
I build systems that are reliable, efficient, and ready for real use
I build full stack web applications focused on real world use, not demos. My work includes SaaS platforms, booking systems, dashboards, and business tools that handle real users, real data, and real workflows.
I specialize in building end to end systems with clean architecture, reliable backend logic, and intuitive user experiences. My focus is on performance, scalability, and delivering solutions that businesses can actually use.
Open to full time and contract full stack developer roles
- Built full stack SaaS platforms with real time workflows and multi user systems
- Developed booking, e commerce, and dashboard applications with complete backend logic
- Implemented authentication, APIs, databases, and payment systems across projects
- Strong troubleshooting across frontend, backend, and production issues
Education
Software Engineering Technician Diploma
Centennial College · Toronto, Ontario
Comprehensive program covering application development, software architecture, and practical implementation. Developed hands on experience in programming, database systems, testing, and collaborative project work.
Google UX Design Professional Certificate
Google / Coursera · Remote
Professional program focused on user research, interface design, prototyping, and usability testing. Applied user centered design principles to improve product structure and overall user experience.
Software Engineering Technology Advanced Diploma
Centennial College · Toronto, Ontario
Focused on advanced software engineering concepts including scalable system design, application architecture, and development of production ready applications. This program builds strong technical depth in modern software development practices.
Software Engineering Technician Diploma
Centennial College · Toronto, Ontario
Comprehensive program covering application development, software architecture, and practical implementation. Developed hands on experience in programming, database systems, testing, and collaborative project work.
Let's build
something valuable.
I am open to opportunities where I can contribute to building reliable and effective software systems.
If you have a role or project to discuss, feel free to reach out. I aim to respond within 24 hours.