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Ghassan A.
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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.

🇹🇳Zarzis, Tunisia$20/hr100% JSS5.00 (6)Since Apr 2021

Earnings and projects

MRR
$31

Last 6 months ÷ 6

World#159,480 / 412k
🇹🇳Country#487 / 1,246
Revenue, last 30 days
$0

Last 6 months: $183

Total earnings
$4.6k

Billed in all: $4.8k

World#262,644 / 412k
🇹🇳Country#749 / 1,246
Per project
$506

$183 in the last 6 months

World#181,555 / 412k
🇹🇳Country#504 / 1,246
Projects, last 6 months
1

Across 4 contracts

0% fixed100% hourly
World#128,092 / 412k
🇹🇳Country#398 / 1,246
Projects in all
9

Across 19 contracts

26% fixed74% hourly
World#212,268 / 412k
🇹🇳Country#633 / 1,246

Earnings, last 30 days

$4.8kNothing earned since Oct 9Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$4,750$4,800$4,850$4,900Oct 9Oct 24Nov 7

Tracked from Oct 9, 2026.

Skill rankings: Top 25% in Java

Ranked by MRR among everyone on Upwork with the skill.

  1. #37OWL70 freelancers · 🇹🇳 #1Top 53%
  2. #167Odoo Administration360 freelancers · 🇹🇳 #2Top 46%
  3. #190XML717 freelancers · 🇹🇳 #3Top 26%
  4. #219Odoo Development526 freelancers · 🇹🇳 #2Top 42%
  5. #618ERP Software1,408 freelancers · 🇹🇳 #4Top 44%
  6. #634Flask2,438 freelancers · 🇹🇳 #11Top 26%
  7. #1,660Back-End Development4,183 freelancers · 🇹🇳 #20Top 40%
  8. #1,784Django5,931 freelancers · 🇹🇳 #14Top 30%