Michal Bogdan, Software Developer in Piotrków Trybunalski, Poland
Michal Bogdan

Software Developer in Piotrków Trybunalski, Poland

Member since February 21, 2019
Michal is a veteran DevOps and Oracle database administrator with superb programming skills in dynamic languages. He has over a decade of hands-on experience as well as a no-nonsense attitude when it comes to any problems that he encounters. Michal’s not a believer in temporary patches but in fixing the problem once and for all.
Michal is now available for hire


  • Healthdom.com
    MongoDB, Cassandra, Linux, GitLab, Kubernetes
  • LennyLamb.com
    GitLab, PostgreSQL, Elixir, Kubernetes, Ruby on Rails (RoR)
  • Acxiom
    Ansible, RMAN, Unix, Linux, Oracle



Piotrków Trybunalski, Poland



Preferred Environment

Ruby on Rails (RoR), Ruby, PostgreSQL, Oracle, GitLab, Linux, Kubernetes

The most amazing...

...thing I’ve developed was Shamir's secret-sharing service on top of a Kubernetes cluster; it was done in a few hours using Elixir and Phoenix.


  • DevOps Engineer

    2018 - PRESENT
    • Set up HA databases using MonogDB and Cassandra.
    • Implemented GitLab pipelines for developers and architecture administration.
    • Maintained Jira and Confluence installations.
    Technologies: MongoDB, Cassandra, Linux, GitLab, Kubernetes
  • Co-owner | CTO

    2009 - PRESENT
    • Worked as a full-stack developer.
    • Acted as the administrator and the main developer of a system that more than 100 people were working on.
    Technologies: GitLab, PostgreSQL, Elixir, Kubernetes, Ruby on Rails (RoR)
  • Oracle Database Administrator (DBA)

    2007 - PRESENT
    • Supported a top-tier Oracle data warehouse systems.
    • Automated projects using Ansible.
    • Automated the code release cycle.
    • Set up a monitoring platform.
    • Composed numerous automation scripts using Ruby, Python, and Perl.
    Technologies: Ansible, RMAN, Unix, Linux, Oracle
  • Oracle Database Administrator (DBA)

    2006 - 2007
    • Supported top-tier data warehouse systems.
    • Performed DevOps.
    • Composed many Perl automation scripts.
    Technologies: Hyper-V, Oracle, Unix



  • Libraries/APIs

    Ruby ERB, jQuery
  • Languages

    Ruby, Python, Elixir, Perl, Bash, Java
  • Frameworks

    Ruby on Rails 4, Ruby on Rails (RoR)
  • Storage

    Oracle RDBMS, MongoDB, Oracle Database Tuning, PostgreSQL, Cassandra, PL/SQL, MySQL
  • Tools

    Hyper-V, RMAN, Ansible, Google Kubernetes Engine (GKE), GitLab CI/CD, GitLab, Rundeck, Git, Nagios
  • Paradigms

    Event Sourcing, Functional Programming, CQRS, Oracle Database Architecture
  • Platforms

    Linux, Oracle, Unix, Kubernetes, Oracle Enterprise Manager (EM), Oracle Database, Docker
  • Other

    Immutable Infrastructure, GitOps, RSync


  • Master of Science and. Bachelor of Engineering degree in Computer Science
    2000 - 2005
    Gdańsk University of Technology - Gdańsk, Poland


  • Oracle Database 9i Professional
    MAY 2007 - PRESENT
    Oracle University

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