Younes H.-Senior Backend Developer

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Experience
Senior Backend Developer
PTA
- Development and maintenance of database-driven applications for managing supplier and food contracts, with extensive use of Oracle PL/SQL for complex business logic and data processing
- Optimization of PL/SQL procedures, functions, and triggers to ensure the performance and scalability of Oracle database solutions
- Ensuring compliance with best practices in PL/SQL development and implementing standards for code quality and data integrity
- Close collaboration with backend and frontend teams to ensure smooth integration between the Oracle database, C#-based APIs, and Azure cloud services
Group Manager Data Solutions
Ominicom Media Group
- Design, development, and testing of internal agency applications with Oracle APEX, including user-friendly interfaces and efficient database integration
- Development of integration interfaces between Oracle APEX and external ERP systems via REST APIs for seamless system communication
- Performance tuning of complex SQL and PL/SQL scripts to implement demanding transformation requirements efficiently and scalably
- ETL development with Pentaho for data integration and preparation for Oracle-based applications
- Responsibility for the SAP BO universe and user security, with a focus on data access control and reporting structures
- Scrum Master role coordinating agile development processes and promoting collaboration across teams
Senior ETL Developer
C&A Buying GmbH & Co. KG
- Design, development, and testing of back-end ETL processes from various sources (DB2, CSV, Excel, XML)
- Support in implementing complex requirements for data loading and transformation
- Work in an environment with Teradata 15.10.1.18, Ab Initio Co>Operating System 3.2.4.7, GDE 3.2.7.2, Express>It 3.2.4, and SAP PowerDesigner 16.6
Application Consultant
Capgemini
- Development of integration interfaces between SAP systems and Informatica P360, including documentation and testing as well as end-user support
- Development and performance tuning of back-end ETL processes for data warehouse loading and transformation, with a focus on performance and scalability
- Support for data migration and software updates through the development of tools for migration and update processes
- Application and performance tuning of Oracle- and Java-based solutions with shell scripts
Student
Acb lingua
- Attended A1, A2, and B1 German courses
Software Development Intern
Deutsche Telekom
- Developed a graphical user interface for Command Center KPIs with live data visualization and MySQL storage
- Researched suitable software solutions and set up development and production environments
- Provided interfaces to data sources and implemented them on a web server for versatile use
ERP Specialist
Syriatel
- Integrated systems with Oracle EBS, developed and tested reports, and resolved issues in the daily operation of large mobile network infrastructure
- Developed several interfaces between internal company systems and the ERP system
- Trained new colleagues in SQL and PL/SQL as an Oracle trainer
Team Lead and Database Administrator
Scan-Syria
Developed a university program to manage student enrollment, exams, grades, and statistical reports
Automated the billing system for arriving and departing aircraft for Syrian civil aviation
Implemented an ERP system for sales, purchasing, human resources, and accounting
Developed a web application (psiquotes.com) for insurance activities to generate leads and sell them to insurance companies
Team Lead and Database Administrator
SIST
- Created new supplier services (ISP, mobile network operators), including designs for wizards, billing tables, and reports
- Developed a kiosk payment and deposit system to monitor status, location, and task management
Database Administrator and Developer
Telecommunications Authority
- Administered all authority databases and developed a central system for personnel-related information
- Supported the personnel and payroll system as well as the internal mail archiving system
- Developed an IT system to automate, update the status of, and report on foreign workers in Syria
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Government and Administration, Advertising, Education, Food and Beverage, and Aerospace and Defense.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Business Intelligence, Project Management, Accounting, Finance, and Human Resources.
Summary
Twenty years of professional experience in databases and software development, including more than three years in a leadership position.
Skills
- Programming Languages: Java, C#, Python, Php.
- Databases: Oracle (Sql, Pl/Sql, Apex), Microsoft Sql Server (Sql, Tsql, Dmx), Mysql, Postgresql, Ms Access.
- Ides: Microsoft Visual Studio, Eclipse, Jdeveloper, Infomatica Power Center.
- Web: Asp.Net, Mcv, Html, Ajax, Sparql.
- Operating Systems: Windows, Linux.
- Other Skills: Microsoft, Sharepoint, Wcf, Linq, Xpath, Xquery, Xsd, Xml Web Services, Shell Script, Data Mining, Oracle Business Intelligence Obiee, Oracle Golden Gate, R Language.
Languages
Education
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Master of Web Science, focus on Data Mining and Distributed Application Programming · Web Science · Damascus, Syrian Arab Republic · 76.86/100 very good
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Bachelor of Information Technology (IT), focus on Database Architecture and Design, Software Engineering, Data & · Information Technology (IT) · Damascus, Syrian Arab Republic · 72.52/100 Very good
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Diploma in Computer Science · Computer Science · Damascus, Syrian Arab Republic · 70.33/100 very good
Certifications & licenses
Datorama Admin/ schmpion
Germany, Düsseldorf
Bootcamp Ii: (Presentations and Communications skills)
Germany, Stuttgart
Bootcamp: (Presentations and Communications skills)
Germany, Munich
Germany, Ratingen
Amazon Web Services
Germany, Ratingen
Software Engineering Design Principles
Germany, Munich
Syria, Damascus
Oracle Erp Essentials
Syria, Damascus
Syria, Damascus
Ict Standards, Planning, Analysis & Design
Syria, Damascus
Itpepi (International Training Program in E-Governance-Planning and Implementation)
India, New Delhi
Business Modeling And Process Engineering
Syria, Damascus
Oracle 9i Database Administrator (OCP)
Syria, Damascus
Ciw (Certificate Internet Webmaster)
Syria, Damascus
Object Oriented Programming With Java
Syria, Damascus
Ms Project 2003
Syria, Damascus
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Younes is based in Grevenbroich, Germany.
Younes speaks the following languages: Arabic (Native), German (Advanced), English (Advanced).
Younes has at least 22 years of experience. During this time, Younes has worked in at least 9 different roles and for 10 different companies. The average length of individual experience is 2 years and 2 months. Note that Younes may not have shared all experience and actually has more experience.
Based on recent experience, Younes would be well-suited for roles such as: Senior Backend Developer, Group Manager Data Solutions, Senior ETL Developer.
Younes's most recent position is Senior Backend Developer at PTA.
In recent years, Younes has worked for PTA and Ominicom Media Group.
Younes is most experienced in industries like Information Technology, Government and Administration, and Advertising. Younes also has some experience in Education, Food and Beverage, and Aerospace and Defense.
Younes is most experienced in business areas like Information Technology, Business Intelligence, and Project Management. Younes also has some experience in Accounting, Finance, and Human Resources.
Younes has recently worked in industries like Advertising and Food and Beverage.
Younes has recently worked in business areas like Information Technology, Business Intelligence, and Project Management.
Younes holds a Master in Web Science from - and a Bachelor in Information Technology (IT) from -.
Younes has 16 certificates. Among them, these include: Datorama Admin/ schmpion, Bootcamp Ii: (Presentations and Communications skills), and Bootcamp: (Presentations and Communications skills).
The availability of Younes needs to be confirmed.
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Calculated based on our freelancers’ daily rates as of 27 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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