Jamal Baydoun-Freelance Software Architect & Developer
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Experience
Freelance Software Architect & Developer
IBM Deutschland GmbH / BWI GmbH
- Architecture, design and further development of a hybrid solution consisting of a Java backend with REST API and C# / WPF frontend
- Development of secure, distributed functions for classified message processing, categorization and encryption
- Integration of backend services with document management systems (DMS) for structured file storage
- Planning, setup and continuous optimization of Azure DevOps pipelines for automated deployment and quality assurance of distributed applications in a security-critical environment
- Technical coordination with Bundeswehr project managers and third-party providers of relevant software and interfaces, and documentation of the developed solutions
Freelance Full Stack Developer
Sulzer GmbH
- Analysis of existing business logic and development of a step-by-step migration plan
- Design and implementation of modular Java-based microservices using Spring Boot and Spring Batch
- Connecting to existing systems via REST APIs and modernizing data models
- Designing test strategies, unit and integration tests
- Testing, documentation and preparation for production release
Freelance Full Stack Developer
Deutsche Bahn AG
- Architecture, design and implementation of a robust REST API for mapping and distributing organizational structures
- Data modeling for efficient management of complex organizational hierarchies and their validity periods
- Integration of changes in corporate structures and expansion of API functionalities
- Operation in containerized environments (Docker/Kubernetes) and setup and maintenance of CI/CD pipelines
- Creating unit, integration and end-to-end tests
- Technical documentation for long-term maintainability and handover to IT partners
Freelance Full Stack Developer
Deutsche Bahn, DB Zeitarbeit GmbH
- Designing and developing microservices for digitizing and automating applicant and supplier processes
- Conducting architecture and code reviews, as well as performance optimizations
- Testing, documentation and integration into the existing IT infrastructure
Freelance Full Stack Developer
Deutsche Bahn, DB Zeitarbeit GmbH
- Analysis and implementation of an interface for integrating Bundesdruckerei services
- Development and configuration of communication modules
- Creation of test scenarios and ensuring data integrity
Industry Experience
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Experienced in Information Technology, Transportation, Tourism, Aerospace and Defense, Education, and Manufacturing.
Business Area Experience
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Experienced in Information Technology, Quality Assurance, Project Management, Product Development, Customer Service, and Business Intelligence.
Skills
Key Focus Areas: Enterprise Architectures (J2ee, Ejb, Rcp, Spring Boot, Restful Webservices, Wpf, .Net Core, Microservices, Docker), Cms (Coremedia, Wordpress, Drupal), Databases (Mssql Server, Oracle, Mysql), Requirements Analysis, Concept Development, Effort Estimation, Scrum
Programming Languages: Java, C#, Python, Javascript, Bash Script, Php, Perl, C++, Vb.Net, Cobol, Jython
Frameworks & Technologies: Spring/Spring Boot/Spring Batch, .Net Core, Entity Framework, Wpf, Mvvm, Jsp, Jstl, Ajax, Jquery, Html/Html5, Css, Webservices, Rest Api, Swagger/Openapi, Json, Xml, Xsl, Xslt, Xpath, Jaxb, Lombok, Hibernate/Jpa, Microservices, Docker, Kubernetes, Openshift, Helm, Amazon Aws, Azure Devops, Gitlab Ci/Cd, Ci/Cd Pipelines, Appium, Selenium, Qftest, Ms Reporting Services, Crystal Reports, Microsoft Test Tools, Junit, Mockito, Nsubstitute, Serilog, Log4j, Log4net, Unity, Spring .Net, Cobol
Tools: Eclipse, Intellij, Visual Studio, Vs Code, Spring Tool Suite, Ms Sql Management Studio, Sql Developer, Dbeaver, Postman, Jenkins, Team Foundation Server, Azure Devops, Git, Subversion, Cvs, Mercurial, Jira, Confluence, Kibana, Grafana, Prometheus, Whitesource, Mylyn
Databases & Database Technologies: Ms Sql Server, Oracle, Mysql, Ibm Db2, Sqlite, Mongodb, Postgresql, H2, Flyway
Methods: Oop, Design Patterns, Uml, Software Architecture, Test Driven Development (Tdd), Domain Driven Design (Ddd), Mvvm, Code Generation, Pair Programming, Scrum/Kanban
Platforms & Servers: Tomcat, Jboss, Ibm Websphere Application Server, Jetty, Websphere As, Coremedia 5.2, Sharepoint, Apache Lucene, Apache Nutch, Apache Solr, Apache Velocity, Apache Kafka, Mssql Server
Industry Knowledge: Publishing, Automotive Industry, Online Retail, Pharmaceutical Industry, Tourism, It Industry, Financial Services, Civil Engineering, Textile Industry, Transportation/Logistics, Public Sector, Education, Relocation Services
Soft Skills: Communication, Analytical Thinking, Self-Discipline, Teamwork
Languages
Education
Free University of Berlin
Master · Computer Science · Berlin, Germany
University of Aleppo
Electrical Engineering & Electronics, Computer Science · Aleppo, Syrian Arab Republic
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