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Otto Detki
@derdetki
Python Automation for Data and Excel Tasks
Austria
German, English, Croatian
About me
I specialize in fixing logical data errors in Excel and CSV files.
If your numbers don’t make sense, formulas break, reports look inconsistent, or workflows fail – I analyze the structure behind your data and restore clarity.
I don’t just clean files. I correct the logic that drives them.
Over 20 years of professional experience working with structured business data.
Precision, reliability, and results you can trust.
Skills
Otto Detki
Offline •
Average response time: 1 hour
See my services
Automations
I will fix complex excel and CSV logic errors others can not solve
Convert to an Editable File
I will provide expert CSV recovery and repair
Portfolio
Work experience
Freelance Data Automation & CSV Specialist
Self-Employed
Jan 2026 - Present • 4 mos
Freelance work focused on fixing logical data errors, CSV/Excel processing, and preparing workflows for automation using Python.
IT studies / Information Technology studies
Information Technology – Salzburg University of Applied Sciences (FH Salzburg)
Aug 2023 - Present • 2 yrs 9 mos
Studying Information Technology with a focus on data structures, automation, and practical problem solving.
Pharmaceutical Commercial Assistant (PKA)
Apotheke • Full-time
Nov 2003 - Present • 22 yrs 6 mos
Over 20 years of professional experience in the pharmacy environment with a strong focus on inventory management, billing, and data organization. Daily work with structured and sensitive data, including orders, stock levels, pricing lists, invoices, and reports. Known for a high level of accuracy, strong process understanding, and routine handling of complex Excel tables and internal systems. This long-standing hands-on experience forms the foundation for my current work in data analysis, data logic validation, and automation.
2 Reviews
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Rating Breakdown
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- Quality of delivery
- Value of delivery
1-2 out of 2 Reviews
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martin_georgia
Austria
Excellent work! The seller fixed the file quickly and professionally. Communication was clear and fast, and they were proactive with updates. Great attention to detail and strong understanding of the task. Everything worked exactly as expected. Highly recommended - I would definitely work with them again. 5 stars!
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lil_tigaie
Romania
This seller was an absolute pleasure to work with! Super professional, patient, and delivered exactly what I was looking for. The final result was even better than I imagined. Highly recommend if you want quality work and a smooth experience. Thank you so much!
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