01/27/2026 updated
40 % partially available
Senior Data Engineer & OSS Solution Architect
DEINZE, Belgium
Only remote
Pre-Masters in Computer SciencesApplication Programming Interfaces (APIs)Data AnalysisTest AutomationMicrosoft AzureBusiness IntelligenceC++ (Programming Language)Cloud ComputingContinuous IntegrationData IntegrationExtract Transform Load (ETL)Data ManagementData MigrationData ModelingData SystemData Visualization
Data Processing & ETL
Apache Hadoop, Kafka Streaming, Spring Boot expertise for processing billions of daily records and implementing real-time data streaming architectures
Database Management
Oracle, MySQL, PostgreSQL, NoSQL databases proficiency with data migration strategies and database optimization
Programming Languages
Python, Java/J2EE, PL/SQL, Shell Scripting, C/C++, SQL development for automation scripts and data processing solutions
Data Integration
REST/SOAP APIs, SOQL, XML/XSL Transformation, API Development, Diameter Protocol for system integration
Cloud & DevOps
Azure, GIT, Maven, Continuous Integration/Deployment, Docker for cloud platform management
Data Tools & Frameworks
Camunda, Spring Expression Language, EJB/Hibernate, JDBC for enterprise data solutions
Analytics & Reporting
Data Visualization, Dashboard Development, Network Trend Analysis for business intelligence
Data Modeling
UML, Enterprise Architect, Schema Design, Data Flow Mapping for system architecture
Apache Hadoop, Kafka Streaming, Spring Boot expertise for processing billions of daily records and implementing real-time data streaming architectures
Database Management
Oracle, MySQL, PostgreSQL, NoSQL databases proficiency with data migration strategies and database optimization
Programming Languages
Python, Java/J2EE, PL/SQL, Shell Scripting, C/C++, SQL development for automation scripts and data processing solutions
Data Integration
REST/SOAP APIs, SOQL, XML/XSL Transformation, API Development, Diameter Protocol for system integration
Cloud & DevOps
Azure, GIT, Maven, Continuous Integration/Deployment, Docker for cloud platform management
Data Tools & Frameworks
Camunda, Spring Expression Language, EJB/Hibernate, JDBC for enterprise data solutions
Analytics & Reporting
Data Visualization, Dashboard Development, Network Trend Analysis for business intelligence
Data Modeling
UML, Enterprise Architect, Schema Design, Data Flow Mapping for system architecture
Experience
Professional experience10+ years
Freelancer since2020
Languages
ArabicNative speakerEnglishFluentDutchBasic knowledge
Project history
Design and implement ETL pipelines processing 40+ million daily transactions SFM system. Develop data integration solutions with Nokia, Ciena, and Infinera network systems using ONF-TAPI standards. Build and optimize real-time data streaming architectures using Kafka for decisioning systems.
Led data processing for systems handling 2.2 billion CDRs daily, implementing mediation streams and data refinery solutions. Designed and developed ETL workflows using Apache Hadoop for subscriber lifecycle management. Built real-time data processing layers using Kafka streaming and Spring Boot microservices.
Configured and implemented online charging data flows processing 300 TPS. Developed data charging records using Diameter protocol. Monitored data pipeline performance and optimized throughput.