Photo of Marcin Engelmann


View my profile on LinkedIn.


My main project is Octivi —  we specialize in cloud security and architecture (Microsoft Azure and Amazon AWS).

My earlier projects:

  • Octivi Software House — we specialized in high performance & scalability web applications in Symfony (pivoted to security & cloud consulting)
  • Zachmurzone — ultra-secure hosting for ERP and accounting software (on hold)
  • SecurityInfo — portal popularizing IT security (on hold)
  • Certi — SSL certificates broker (multiple issuers) (sold)
  • UODO (Urząd Ochrony Danych Osobowych / Ustawa o Ochronie Danych Osobowych) — mission was to popularize personal data protection knowledge and offer GDPR-related services (GDPR, UODO/RODO in Polish) (sold)
  • SimpleStorage — Content Delivery Network (CDN) for files and live video streaming (sold)
  • iStats — web analytics, data analytics (sold)


I love to learn new things. My focus is now on:

  • Fountain pens (on my way to Pelican's perch)
  • Learning about learning
  • Financial markets
  • Blockchain technology (not limited to cryptocurrencies!)
  • Knowledge Management — Second Brain / Personal Knowledge Management / Digital Garden
  • Biohacking and longevity

I like reading good books.


My top 5 Gallup's® Strengths, based on Gallup CliftonStrengths Assessment are:

  1. Achiever
    • Works hard and possess a great deal of stamina. He takes immense satisfaction in being busy and productive.
  2. Maximizer
    • Focuses on strengths as a way to stimulate personal and group excellence. He seeks to transform something strong into something superb.
  3. Individualization
    • Is intrigued with the unique qualities of each person. He has a gift for figuring out how different people can work together productively.
  4. Analytical
    • Searches for reasons and causes. He has the ability to think about all of the factors that might affect a situation.
  5. Responsibility
    • Takes psychological ownership of what they say he will do. He is committed to stable values such as honesty and loyalty.

I'm INTJ (Architect) personality in MBTI (Myers-Briggs Type Indicator) — Imaginative and strategic thinker with a plan for everything.

  • Introvert
  • Intuitive
  • Thinking
  • Judging


I am the co-author of Technologia w e-commerce. Teoria i praktyka. Poradnik menedżera book (in Polish).

I wrote a few articles published in:

I gave some lectures:


I am (active certificates):

  • Certified Information Systems Auditor (ISACA CISA, check license 0974899)
    • CISA is to Audit what CPA and CA are to Accounting
  • Certified in Risk and Information Systems Control (ISACA CRISC, check license 1106790)
    • IT risk management
  • Microsoft Certified Solutions Expert MCSE: Cloud Platform and Infrastructure (Microsoft MCSE, check badges for 2017 and 2018)
    • Expertise in cloud technologies, identity management, systems management, virtualization, storage and networking
  • PRINCE2 certified (APMG International PRINCE2 Foundation, numer 02615924-01-TNYT)
    • Classical project management, covers all key areas and processes, according to PRINCE2 methodology

I was (expired certificates):

  • Certified Associate in Project Management (PMI CAPM, certyfikat 1508818)
    • Classical project management, covers all key areas and processes, according to PMBOK methodology

Organizations & communities

I am a member of:

I was a member of:

Social media

I am not very active on social media, although I have an account on many. My profiles where I am active are:


The easiest way to contact me is by writing to [email protected].

I use GnuPG to sign and encrypt various things (documents, source code, emails). If you have something confidential, then download my GPG key or fetch it from (fingerprint: 347E 15A9 A70D F734 3D29 5C0E 57E9 A48B 8AE3 CF22).