Available for projects

IT Developer
& Builder

Enterprise platforms, CRM integrations and cross-platform apps. Based in Antwerp — building systems that scale and last.

Zakaria B.
Java EE 6
🔄Node-RED
⚛️React / TS
🗄️MySQL
📱Jetpack Compose
🍎SwiftUI
🔗Bullhorn API
📊Crystal Reports
Selected work

Projects that
ship and scale

🏢
EnterpriseJava EE

ISIweb — Staffing Platform

End-to-end enterprise platform for temp agency management. Timesheets, invoicing via Adfinity CIP, Crystal Reports generation and Belgian labor law compliance.

JSF 1.2 · Java SE 6 · MySQL 5.1
🔗
CRMIntegration

CRM Migration

Carerix → Bullhorn. 115+ field mappings across companies, contacts, job orders and candidates. Node-RED automation flows for placement-to-invoice processing.

Node-RED · REST · OAuth 2.0
💎
MobileE-comm

Zennia Jewelry

Cross-platform luxury jewelry e-commerce app with matching animations across React/TS, Android Jetpack Compose and SwiftUI.

React/TS · Jetpack Compose · SwiftUI
🧠
SaaSAI

Relay — KM SaaS

Knowledge transfer SaaS MVP. ReactFlow node editor, Ollama AI integration, PostgreSQL/Neo4j hybrid architecture.

React · PostgreSQL · Neo4j
📊
DashboardVue

Migration Dashboard

Employee migration dashboard with pagination, bulk operations and real-time status tracking for CRM data transfers.

Vue.js · REST API
Expertise

What I
bring to the table

🏗️
Enterprise Architecture
6+ years with legacy Java EE stacks. I extend, stabilize and modernize complex systems without breaking production.
🔀
API & CRM Integration
Large-scale CRM migrations. OAuth flows, REST pipelines, field mapping at scale — Bullhorn, Carerix, Adfinity.
📱
Cross-platform Mobile
React/TS, Jetpack Compose and SwiftUI. Clean architecture, shared design systems, platform-native feel.
🤖
Automation & Workflows
Node-RED for business-critical pipelines: placement-to-invoice, CRM sync, notification triggers and dashboards.
🗄️
Database Design
Merise methodology, MySQL/MariaDB schema design, complex query optimization and MongoDB aggregation.
Java Back-end
Deep expertise in Java SE/EE 6, JSF 1.2, Hibernate ORM and Crystal Reports 2008. Memory leaks, session management.
🔐
Auth & Security
OAuth 2.0 for enterprise CRM APIs. Token management, refresh flows and secure integration patterns.
⚛️
React & TypeScript
React, TypeScript and Vue.js. ReactFlow editors, bulk dashboards and interactive data UIs.
Antwerp harbour
Open to opportunities

Based in

Antwerp, Belgium

Open to remote & on-site

Contact

Let's work
together

Available for freelance projects, consulting, and full-time roles. Drop me a message and I'll get back to you within a day.

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