Matthias Greiner

Cloud (Migration), DevOps, Microservices, Testing, (Container) Cluster Orchestration

Heidelberg, Baden-Württemberg, Germany

About

Experience

  • AWS DevOps Engineer at ticket i/O GmbH
    Sep 2022 - Present · 3 yrs 10 mos

    In my current role as a DevOps Engineer, I am primarily responsible for maintaining and enhancing our AWS infrastructure. This involves a strong focus on robust monitoring and efficient incident management, ensuring the stability and responsiveness of our systems. A critical part of my role is upholding stringent IT security standards, a task I approach with detailed attention to safeguard our data and operations. I am also involved in managing high-traffic demands for both services and databases, a challenge that requires not only technical expertise but also a strategic mindset to ensure scalability and performance. Collaborating closely with software development and domain teams, I play a crucial role in synchronizing efforts and optimizing our tech stack to meet evolving business needs. My role is instrumental in driving continuous improvement and innovation in our technology landscape.

  • Full-Stack Developer at Q-nnect
    Jan 2020 - Sep 2022 · 2 yrs 9 mos

    In my previous role as a Fullstack Developer, my primary responsibility involved the development of software applications based on customer requirements, as well as the development of the core platform. I effectively managed both technical and commercial challenges with confidence and adaptability. My responsibilities encompassed a broad range of activities, including: - Transitioning software into production deployment. - Assisting in the development of architectures. - Designing, optimizing, and managing development processes. - Providing operational support through error analysis and bug fixing. - Ensuring structured and efficient monitoring. - Continuously optimizing development systems. - Implementing customer requirements and process changes. - Consulting with internal project managers on the feasibility of customer requirements. - Creating development documentation and transferring knowledge to colleagues. - Further developing the Quality Assurance (QA) process and working with its tools. - Engaging in agile software development. This role required a combination of technical proficiency and a strategic approach, ensuring the successful delivery of software solutions that met both client needs and company standards.

  • Research Assistant at Heidelberg University Faculty of Mathematics and Computer Science
    Oct 2019 - Mar 2020 · 6 mos

    https://www.mathinf.uni-heidelberg.de/

  • Cloud Engineer at Argodis
    Sep 2019 - Dec 2019 · 4 mos

  • Research Assistant at DKFZ German Cancer Research Center
    May 2018 - Aug 2019 · 1 yr 4 mos