Ghassan A.
Senior Odoo Developer & Techno-Functional Consultant | Odoo Certified
Senior Odoo Developer & Techno-Functional Consultant and Odoo 17 Certified with deep expertise in building and scaling complex ERP systems across multiple industries. I specialize in backend development using Python, XML, and PostgreSQL, JavaScript (OWL) with a strong command of Odoo’s framework for creating advanced custom modules, complex business logic, third-party API integrations, and QWeb PDF reports. Functionally, I have led full-cycle implementations across HR, Payroll, Accounting, CRM, Inventory, Manufacturing, Sales, Purchase, and Project Management. I’m experienced in requirements analysis, process mapping, data migration, multi-company setups, and performance tuning. Whether extending core Odoo functionality or delivering fully customized solutions, I focus on writing clean, maintainable code and delivering systems that solve real business problems.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $183
Billed in all: $4,846$4.8k
$183 in the last 6 months
Across 4 contracts
Across 19 contracts
Earnings, last 30 days
Tracked from Oct 9, 2026.
Skill rankings: Top 25% in Java
Ranked by MRR among everyone on Upwork with the skill.
- #37OWL70 freelancers · 🇹🇳 #1Top 53%🇹🇳#1 of 1
- #167Odoo Administration360 freelancers · 🇹🇳 #2Top 46%🇹🇳#2 of 4
- #190XML717 freelancers · 🇹🇳 #3Top 26%🇹🇳#3 of 8
- #219Odoo Development526 freelancers · 🇹🇳 #2Top 42%🇹🇳#2 of 6
- #618ERP Software1,408 freelancers · 🇹🇳 #4Top 44%🇹🇳#4 of 6
- #634Flask2,438 freelancers · 🇹🇳 #11Top 26%🇹🇳#11 of 22
- #1,660Back-End Development4,183 freelancers · 🇹🇳 #20Top 40%🇹🇳#20 of 41
- #1,784Django5,931 freelancers · 🇹🇳 #14Top 30%🇹🇳#14 of 45