Michal Bogdan, Developer in Piotrków Trybunalski, Poland
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Michal Bogdan

Verified Expert  in Engineering

Software Developer

Location
Piotrków Trybunalski, Poland
Toptal Member Since
May 31, 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.

RubyRuby on Rails 4GitOpsPerlBashOracle Database ArchitectureOracle Database TuningPostgreSQLMySQLNagiosjQueryGitOracle Enterprise Manager (EM)PythonJavaOracle DatabaseRundeck

Portfolio

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

Experience

Oracle RDBMS - 11 yearsBash - 11 yearsPerl - 11 yearsRuby - 10 yearsRuby ERB - 10 yearsRuby on Rails 4 - 5 yearsPython - 3 yearsElixir - 1 year

Availability

Part-time

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.

Work Experience

DevOps Engineer

2018 - PRESENT
Healthdom.com
  • 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
LennyLamb.com
  • 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
Acxiom
  • 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
Hewlett-Packard
  • Supported top-tier data warehouse systems.
  • Performed DevOps.
  • Composed many Perl automation scripts.
Technologies: Hyper-V, Oracle, Unix

LennyLamb.com

https://en.lennylamb.com
On this site, I worked as a full-stack developer and administrator.

Healthdom.com

http://healthdom.com
I performed DevOps tasks for Healthdom.

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

2000 - 2005

Master of Science and. Bachelor of Engineering Degree in Computer Science

Gdańsk University of Technology - Gdańsk, Poland

MAY 2007 - PRESENT

Oracle Database 9i Professional

Oracle University

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