Marcin Firmuga

Hello :) I’m documenting my transition from a technical IT background into AI & Machine Learning engineering. No shortcuts, no illusions - just consistent work, real skills, and public progress.

Poland Joined on Jan 4, 2026 https://linktr.ee/marcin_firmuga

Education

Technical School - IT Specialist

Work

Unemployment :[

Marcin Firmuga

Feb 22

PC_Workman 1.6.8: When "Quick Fix" Took 3 Weeks (Data Engine + AI Context + 70% Performance)

#showdev #python #opensource #buildinpublic

12 min read

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Cover image for How to Sign Your Python .exe With Sigstore (No Certificate Required)

Marcin Firmuga

Feb 15

How to Sign Your Python .exe With Sigstore (No Certificate Required)

#security #python #opensource #tutorial

5 min read

Marcin Firmuga

Feb 5

How I built an AI Manual Assistant between warehouse shifts (and why it hallucinated about charcoal)

#showdev #programming #react #ai

3 min read

Cover image for My Two Best Teammates Have Four Paws. And They Keep Me Sane While Coding

Marcin Firmuga

Jan 22

My Two Best Teammates Have Four Paws. And They Keep Me Sane While Coding

#programming #python #opensource #sideprojects

4 min read

Marcin Firmuga

Jan 21

How I Verify PC Workman Security Before Every exe Release

#programming #ai #python #devops

4 min read

Marcin Firmuga

Jan 20

PC_Workman v1.6.3+: From Code to Executable .exe after 6 months of work. My milestone.

#programming #software #ai #python

3 min read

Marcin Firmuga

Jan 17

The Night I Stopped Building For Myself.

#programming #buildinpublic #startup #sideprojects

7 min read

Cover image for Budowałem przez 5 miesięcy, build-in-public. Nikt nie patrzył. 22 grudnia mnie zwolnili.

Marcin Firmuga

Jan 14

Budowałem przez 5 miesięcy, build-in-public. Nikt nie patrzył. 22 grudnia mnie zwolnili.

#buildinpublic #python #opensource #programming

4 min read

Cover image for PC_Workman v1.6.1 UI Refinement: From Clutter to Density in One Night

Marcin Firmuga

Jan 12

PC_Workman v1.6.1 UI Refinement: From Clutter to Density in One Night

#buildinpublic #python #uidesign #opensource

1 min read

Cover image for From School Websites to Something Real: The Day PC_Workman Got Its First Dedicated Home

Marcin Firmuga

Jan 10

From School Websites to Something Real: The Day PC_Workman Got Its First Dedicated Home

#buildinpublic #programming #opensource #ai

3 min read

Cover image for I Built in Public for 5 Months. Nobody Watched. 22nd Dec. I Got Fired.

Marcin Firmuga

Jan 5

I Built in Public for 5 Months. Nobody Watched. 22nd Dec. I Got Fired.

#beginners #programming #career #python

4 min read

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Marcin Firmuga

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Skills/Languages

PC_Workman 1.6.8: When "Quick Fix" Took 3 Weeks (Data Engine + AI Context + 70% Performance)

Want to connect with Marcin Firmuga?

How to Sign Your Python .exe With Sigstore (No Certificate Required)

How I built an AI Manual Assistant between warehouse shifts (and why it hallucinated about charcoal)

My Two Best Teammates Have Four Paws. And They Keep Me Sane While Coding

How I Verify PC Workman Security Before Every exe Release

PC_Workman v1.6.3+: From Code to Executable .exe after 6 months of work. My milestone.

The Night I Stopped Building For Myself.

Budowałem przez 5 miesięcy, build-in-public. Nikt nie patrzył. 22 grudnia mnie zwolnili.

PC_Workman v1.6.1 UI Refinement: From Clutter to Density in One Night

From School Websites to Something Real: The Day PC_Workman Got Its First Dedicated Home

I Built in Public for 5 Months. Nobody Watched. 22nd Dec. I Got Fired.