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Heinstein F.HF

Heinstein F.

Software Developer | Certified Kubernetes

€650/day
Köln, DE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Heinstein

I am an experienced software developer with a focus on C++, Qt, and QML, as well as a passionate DevOps Engineer with extensive expertise in cloud infrastructures, particularly Microsoft Azure and Kubernetes. With over 8 years of experience in software development and in-depth knowledge of modern DevOps practices, I support companies in developing robust applications and building efficient, automated infrastructures.

My focus areas include CI/CD workflows, Infrastructure as Code (Terraform, Ansible), containerization with Docker, and the orchestration and management of Kubernetes clusters. I also bring deep knowledge of Azure Services, logging and monitoring solutions (Prometheus, Grafana, ELK/EFK), and agile project work (Scrum, Jira, Confluence).

Thanks to my certifications as DevOps Engineer Expert (Microsoft), Azure Administrator, Terraform Associate, and CKA, I can successfully support complex cloud and DevOps projects both technically and strategically.
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Fluent

Can work on-site
Köln (up to 50km)

Experience

  • Baker Hughes
    Software Development with QT/QML for multi-platform systems
    ENERGY AND UTILITIES
    January 2023 - August 2023 (8 months)
    Köln, Germany
    - Accelerating SpotWeld ultrasound imaging through GPU processing
    - Utilizing NVIDIA's "Compute Unified Device Architecture" (CUDA) for real-time ultrasound data processing.
    - Extensive experience with the Qt Framework, especially Qt 6.
    - In-depth QtQuick Renderer and QtWayland Compositor.
    - Experience in creating application frameworks and their packaging.
    - Experience with Qt Creator for cross-compilation to target devices.
    - Using Ethernet and gRPC protocol for data acquisition from RTOS Linux to the desktop application for subsequent processing.
    - Employing agile methodologies and tools like Scrum, Git, Jenkins, and CMake on multiple platforms (Windows and Linux).
    - Worked with Modern C++ (14/17), Boost, Lua, QT, QML, CMake, QMake, Squish, Scrum, TDD, and OOP for development and testing.
    C++ (14/17), Boost, Lua, QT, QML, CMake, QMake, Squish, Scrum, TDD, and OOP for development and testing. Scrum, Git, Jenkins, and CMake
  • Baker Hughes
    Sr. Software Engineer
    MECHANICAL ENGINEERING
    April 2017 - December 2022 (5 years and 9 months)
    Portable Ultrasonic Testing Machines (NDT )

    - Software application development for an industrial ultrasonic inspection product using C++, Qt, QML, and OpenGL across multiple platforms.
    - Writing modern, clean, and maintainable code for various platforms (Linux, Windows, Android) and ensuring it is automatically tested.
    - Collaborating with other engineers, designers, and product managers to solve urgent issues in an agile environment.
    - Maintenance, expansion, and refactoring of the codebase using C++ and Qt.
    - Skilled in developing intuitive and dynamic user interfaces with QML.
    - Utilized TFS, Git, Jira, Jenkins, and CMake on Linux/Windows OS/Embedded Linux.
    - Utilized C++, Lua, QT, QML, Scrum, TDD, OOP, and SOLID Principles.
    C++, Lua, QT, QML, Scrum, TDD, OOP, and SOLID Principles. TFS, Git, Jenkins, and CMake on Linux/Windows platforms.
  • GE Oil & Gas
    Software Engineer
    MECHANICAL ENGINEERING
    September 2009 - March 2017 (7 years and 6 months)
    Köln, Germany
    NDT - Ultrasonic Testing Machines
    - Conducted software planning and development for a High-End Ultrasound Portal.
    - Development of various modules such as TCPIPServer, A-Scan Image, and Normalization.
    - Development of features in Ultrasound test machine systems.
    - Configuration of customer-specific Ultrasound test machine systems.
    - Utilization of Scrum, Git, TFS, CMake, Jenkins, Linux/Windows, VMWare, and company emulator.
    - Worked with C/C++, MFC, Windows Networks (Sockets), TCP/IPServer, Scrum, TDD, OOP, and SOLID Principles.
    MFC TCP/IP Socket.io Scrum Git TFS C++ Object-Oriented Programming (OOP)

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Education

  • Master of Science
    Bonn-Rhein-Sieg University of Applied Sciences
    2010
    Master of Science - MS, Master in Autonomous Systems (Robotics), Machine Learning and Robotics Discovery

Skill set (30)

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