Flutter & Node.js Entwickler ? Zeiterfassung, Fuhrpark & Lager - Scan Items-Materials - Pack IN - Pack Out, Material Controllieren App , Field Service
Aktualisiert am 29.04.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 04.05.2026
Verfügbar zu: 100%
davon vor Ort: 25%
SQL
Database Design
Query Optimization
Data Modeling
ETL
Data Analysis
AI
AI, Oracle
English
Upper-Intermediate ? Advanced B2+
German
C1

Einsatzorte

Einsatzorte

Gießen (+20km) Ludwigsburg (+10km)
Deutschland
möglich

Projekte

Projekte

1 year 3 months
2025-01 - 2026-03

Delivered high-performance enterprise applications

Database Developer
Database Developer
  • Delivered high-performance enterprise applications using Oracle APEX and PL/SQL within Agile/Scrum environments, improving processing speed by 40%
  • Developed FuhrPark (fleet management) and inventory/warehouse management systems with materials in/out tracking, optimizing operations and reporting
  • Collaborated with clients and stakeholders to translate business requirements into scalable, business-aligned APEX solutions
  • Architected secure Oracle 21c data models and implemented robust security frameworks (RBAC, authentication, authorization)  
BitNetz Stuttgart, Germany
8 months
2024-01 - 2024-08

Designed and optimized PL/SQL procedures, triggers, and packages

Database Developer
Database Developer
  • Designed and optimized PL/SQL procedures, triggers, and packages using Oracle 21c, improving data processing speed by over 40%
  • Developed scalable, secure database systems with advanced data pipelines for cleansing and transforming high-volume datasets
  • Collaborated with business analysts to model data and implement business logic for internal HR and workflow tools
  • Applied knowledge of banking risk management to support solution design
Hesse Forst, Gießen, Germany
1 year 1 month
2023-01 - 2024-01

Developed and maintained enterprise-grade applications

Database Developer
Database Developer
  • Developed and maintained enterprise-grade applications using Oracle APEX with strong PL/SQL integration, improving performance and reliability
  • Designed secure, scalable data models and optimized database logic in Oracle 21c for high-volume enterprise systems
  • Collaborated with stakeholders to translate business requirements into robust APEX solutions, especially for HR and workflow automation
  • Built interactive dashboards and implemented strict security standards (authentication, authorization, role-based access) aligned with enterprise compliance 
Aladdin-Telekom Stuttgart, Germany
1 year 2 months
2022-07 - 2023-08

Developed Python-based data tools

Data Analyst
Data Analyst
  • Developed Python-based data tools using Pandas, NumPy, and Scikit-learn
  • optimized SQL queries for reporting and automation
  • built interactive dashboards with Excel, Power BI, and Python libraries like Matplotlib and Seaborn
Datacraft Munich, Germany
3 years 10 months
2018-09 - 2022-06

support professional growth

Orientation Phase ? Self trained
Orientation Phase ? Self trained
  • I gained strong language skills (up to C1 level) to support professional growth, and obtained a legal work permit in July 2019 and continued learning through self-study and tech bootcamps to build new skills 
Gießen, Germany
3 months
2018-06 - 2018-08

Built scalable MySQL backends and user-friendly php tools

Web Developer Trainee
Web Developer Trainee
  • Built scalable MySQL backends and user-friendly php tools using OOP and the Symfony framework to manage data and streamline web app operations 
Gal Hungen, Germany
2 months
2016-06 - 2016-07

IT support for hardware, software, network, and helpdesk issues

IT Support Trainee
IT Support Trainee
  • Provided IT support for hardware, software, network, and helpdesk issues, ensuring minimal downtime, and managed system maintenance, OS updates, and diagnostics for stable performance
  • Handled database tasks like user access, backups, and restores using Oracle VM, Docker, and VirtualBox, and deployed virtualization solutions via VMware and cloud tools, and maintained security compliance through password resets, access control, and patch management 
SenPro.IT Gießen, Germany
8 years 1 month
2008-01 - 2016-01

Ensured Oracle database performance

Oracle Developer
Oracle Developer
  • Ensured Oracle database performance and security through best practices and continuous monitoring
  • Developed a full HR management system in Oracle to streamline workflows and improve data access
  • Built task automation tools to eliminate repetitive work and boost productivity, and implemented RESTful APIs for smooth data integration across systems 
Oraini Construction Riyadh, Saudi Arabia
1 year 4 months
2008-07 - 2009-10

Delivered hands-on training

Oracle Trainer
Oracle Trainer
  • Delivered hands-on training in Java, Oracle SQL, and PL/SQL for students and professionals, and designed comprehensive programs and workshops with practical projects and custom learning materials
  • Created slides, coding exercises, and real-world examples to support effective learning
Sham IT Training Center Damascus, Syria

Aus- und Weiterbildung

Aus- und Weiterbildung

2002 - 2007

Aleppo University of Applied Technology Aleppo, Syria

B.S bachelor's degree in informatics engineering ? AI Informatics Engineer recognized in Germany

Kompetenzen

Kompetenzen

Top-Skills

SQL Database Design Query Optimization Data Modeling ETL Data Analysis AI AI, Oracle

Produkte / Standards / Erfahrungen / Methoden

Skills

  • Frameworks & Libraries: Spring Boot, Django, React.js, Node.js
  • Tools & Platforms: Git, GitHub, Docker, IntelliJ, VS Code, Postman, develop with AI tools ? claude agentic code developer
  • Cloud & DevOps: Oracle Cloud, GitHub Actions
  • Others: Power BI, Pandas, NumPy, Scikit-learn, Seaborn
  • Teamwork, Problems Solving, Communication Skills

Programmiersprachen

Java
Python
C#
JavaScript
SQL
PLSQL

Datenbanken

Oracle
SQL SERVER
PostgreSQL
MySQL
MongoDB

Einsatzorte

Einsatzorte

Gießen (+20km) Ludwigsburg (+10km)
Deutschland
möglich

Projekte

Projekte

1 year 3 months
2025-01 - 2026-03

Delivered high-performance enterprise applications

Database Developer
Database Developer
  • Delivered high-performance enterprise applications using Oracle APEX and PL/SQL within Agile/Scrum environments, improving processing speed by 40%
  • Developed FuhrPark (fleet management) and inventory/warehouse management systems with materials in/out tracking, optimizing operations and reporting
  • Collaborated with clients and stakeholders to translate business requirements into scalable, business-aligned APEX solutions
  • Architected secure Oracle 21c data models and implemented robust security frameworks (RBAC, authentication, authorization)  
BitNetz Stuttgart, Germany
8 months
2024-01 - 2024-08

Designed and optimized PL/SQL procedures, triggers, and packages

Database Developer
Database Developer
  • Designed and optimized PL/SQL procedures, triggers, and packages using Oracle 21c, improving data processing speed by over 40%
  • Developed scalable, secure database systems with advanced data pipelines for cleansing and transforming high-volume datasets
  • Collaborated with business analysts to model data and implement business logic for internal HR and workflow tools
  • Applied knowledge of banking risk management to support solution design
Hesse Forst, Gießen, Germany
1 year 1 month
2023-01 - 2024-01

Developed and maintained enterprise-grade applications

Database Developer
Database Developer
  • Developed and maintained enterprise-grade applications using Oracle APEX with strong PL/SQL integration, improving performance and reliability
  • Designed secure, scalable data models and optimized database logic in Oracle 21c for high-volume enterprise systems
  • Collaborated with stakeholders to translate business requirements into robust APEX solutions, especially for HR and workflow automation
  • Built interactive dashboards and implemented strict security standards (authentication, authorization, role-based access) aligned with enterprise compliance 
Aladdin-Telekom Stuttgart, Germany
1 year 2 months
2022-07 - 2023-08

Developed Python-based data tools

Data Analyst
Data Analyst
  • Developed Python-based data tools using Pandas, NumPy, and Scikit-learn
  • optimized SQL queries for reporting and automation
  • built interactive dashboards with Excel, Power BI, and Python libraries like Matplotlib and Seaborn
Datacraft Munich, Germany
3 years 10 months
2018-09 - 2022-06

support professional growth

Orientation Phase ? Self trained
Orientation Phase ? Self trained
  • I gained strong language skills (up to C1 level) to support professional growth, and obtained a legal work permit in July 2019 and continued learning through self-study and tech bootcamps to build new skills 
Gießen, Germany
3 months
2018-06 - 2018-08

Built scalable MySQL backends and user-friendly php tools

Web Developer Trainee
Web Developer Trainee
  • Built scalable MySQL backends and user-friendly php tools using OOP and the Symfony framework to manage data and streamline web app operations 
Gal Hungen, Germany
2 months
2016-06 - 2016-07

IT support for hardware, software, network, and helpdesk issues

IT Support Trainee
IT Support Trainee
  • Provided IT support for hardware, software, network, and helpdesk issues, ensuring minimal downtime, and managed system maintenance, OS updates, and diagnostics for stable performance
  • Handled database tasks like user access, backups, and restores using Oracle VM, Docker, and VirtualBox, and deployed virtualization solutions via VMware and cloud tools, and maintained security compliance through password resets, access control, and patch management 
SenPro.IT Gießen, Germany
8 years 1 month
2008-01 - 2016-01

Ensured Oracle database performance

Oracle Developer
Oracle Developer
  • Ensured Oracle database performance and security through best practices and continuous monitoring
  • Developed a full HR management system in Oracle to streamline workflows and improve data access
  • Built task automation tools to eliminate repetitive work and boost productivity, and implemented RESTful APIs for smooth data integration across systems 
Oraini Construction Riyadh, Saudi Arabia
1 year 4 months
2008-07 - 2009-10

Delivered hands-on training

Oracle Trainer
Oracle Trainer
  • Delivered hands-on training in Java, Oracle SQL, and PL/SQL for students and professionals, and designed comprehensive programs and workshops with practical projects and custom learning materials
  • Created slides, coding exercises, and real-world examples to support effective learning
Sham IT Training Center Damascus, Syria

Aus- und Weiterbildung

Aus- und Weiterbildung

2002 - 2007

Aleppo University of Applied Technology Aleppo, Syria

B.S bachelor's degree in informatics engineering ? AI Informatics Engineer recognized in Germany

Kompetenzen

Kompetenzen

Top-Skills

SQL Database Design Query Optimization Data Modeling ETL Data Analysis AI AI, Oracle

Produkte / Standards / Erfahrungen / Methoden

Skills

  • Frameworks & Libraries: Spring Boot, Django, React.js, Node.js
  • Tools & Platforms: Git, GitHub, Docker, IntelliJ, VS Code, Postman, develop with AI tools ? claude agentic code developer
  • Cloud & DevOps: Oracle Cloud, GitHub Actions
  • Others: Power BI, Pandas, NumPy, Scikit-learn, Seaborn
  • Teamwork, Problems Solving, Communication Skills

Programmiersprachen

Java
Python
C#
JavaScript
SQL
PLSQL

Datenbanken

Oracle
SQL SERVER
PostgreSQL
MySQL
MongoDB

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