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Bahaa Aldeen HusseinBA

Bahaa Aldeen Hussein

Full stack Java Developer

€550/day
Düsseldorf, DE
3-7 years

Average response time: 1 hour

About Bahaa Aldeen

Software Engineer with 6 years of experience building scalable backend systems with Java & Spring Boot. I specialize in Microservices Architecture, REST & GraphQL APIs, and cloud-native deployments using Docker, Kubernetes, and Jenkins CI/CD.
I help companies reduce time-to-market by designing clean, maintainable architectures and implementing security standards (OAuth2, JWT). Experienced with MSSQL, Oracle, PostgreSQL, and MongoDB.
Whether you need to modernize a legacy system, build a new API from scratch, or scale an existing platform — I deliver production-ready solutions with Agile teams.
📍 Available remotely | 2 days/week
  • Arabic

    Native or bilingual

  • German

    Fluent

  • English

    Conversational

Can work on-site
Düsseldorf (up to 50km)

Experience

  • ARAG IT GmbH , Düsseldorf
    Software Engineer
    DIGITAL AND IT
    February 2025 - Today (1 year and 5 months)
    Düsseldorf, Germany
    Backend Developer responsible for the full lifecycle of server-side development from system design to deployment. Experienced in building and maintaining microservices, designing RESTful APIs, and managing relational and non-relational databases. Committed to writing clean, scalable code and delivering reliable backend infrastructure.
    Spring boot React.js MSSQL Microsoft Azure Docker
  • Köper-IT, Sprockhövel
    Web developer
    DIGITAL AND IT
    July 2024 - January 2025 (6 months)
    Sprockhövel, Germany
    As a Web Developer at Köper-IT, I am responsible for building and
    maintaining high-performance web applications by working on both
    the backend and frontend development. My core responsibilities
    include:
    • Backend Development: Designing and developing server-side
    logic using PHP Laravel to build scalable and secure web
    applications.
    • Frontend Development: Developing dynamic and responsive
    user interfaces with Angular, ensuring seamless integration with
    backend services.
    • Database Management: Utilizing MS SQL,MySql for database
    design, optimization, and querying to ensure data integrity and
    efficiency
    • Containerization: Implementing containerized applications using
    Docker for streamlined development, testing, and deployment in
    various environments.
  • Finology, Kuala Lumpur Malaysia
    Software Engineer
    DIGITAL AND IT
    February 2021 - September 2024 (3 years and 7 months)
    Kuala Lumpur, Malaysia
    • Led the development and deployment of scalable microservices
    architecture using Java Spring Boot, improving system
    performance and maintainability.
    • Designed and integrated RESTful and GraphQL APIs, enhancing
    interoperability and communication between frontend and
    backend services.
    • Implemented CI/CD pipelines with Jenkins, automating
    deployments and reducing release times.
    • Containerized applications using Docker, orchestrated with
    Kubernetes, ensuring efficient scalability and reliability.
    • Managed databases (MSSQL, Oracle, PostgreSQL) with a focus on
    performance optimization, data integrity, and security.
    • Collaborated with cross-functional Agile teams, leading sprint
    planning and guiding projects to successful completion.
    • Applied security best practices (OAuth, JWT) to ensure secure
    application development and data protection.

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