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Fiverr Pro
English
$
USD
I will build financial calculators and automation tools in python
From messy data to clean insights with 37 years of enterprise precision
Senior Technology Executive | 37+ years in IT & financial markets | Master's degree (Federal University of São Paulo) | Certifications from Johns Hopkins & University of Virginia.
Led critical project...
What people loved about this freelancer
nickgouche
United States
Alexandre was absolutely exceptional from start to finish. He took the time to truly understand our vision for a custom financial calculator and brought it...
laterlifeguide9
United Kingdom
Well above expectations, very creative and well laid out for ease of use. Visuals are exceptional, will be ordering more work soon. Highly recommended.
laterlifeguide9
United Kingdom
As with my first order, this was exactly as required and produced very quickly. If you are not using Alexandre, you are seriously missing out, but I hope he...
About this Gig
Need a financial calculator, automated billing tool, or banking operations system? You need someone who understands both the code and the financial logic behind it.
Most developers can write code. Very few understand compound interest, cash flow modeling, or bank reconciliation from the inside. I do because I've built these systems for over 30 years.
My financial domain expertise:
- Checking account and current account systems
- Billing and collections automation
- Accounting and ledger tools
- Financial calculators (compound interest, amortization, NPV, IRR)
- Bank reconciliation systems
- Cash flow projections
- Accounts payable and receivable control
Technologies:
- Python (pandas, numpy, openpyxl)
- Excel (advanced formulas, VBA, Power Query)
- Financial mathematics
What you receive:
- Fully functional financial tool
- Clean, commented code (Python or Excel)
- Documentation explaining the financial logic
- 30-day support
Have a specific financial problem? Describe it and I'll tell you exactly what I can build.
Let's bring banking-grade precision to your financial operations.
Technology:
Excel
•
Python
•
VBA
My Portfolio
FAQ
Can you build a loan amortization calculator?
Yes. Amortization tables, compound interest, NPV, IRR — these are core financial math concepts I've applied professionally for over 30 years.
Can you automate my bank reconciliation?
Yes. Bank reconciliation automation is one of my strongest areas, built on real experience with institutional-grade reconciliation systems.
Will the tool work in Excel or does it need Python?
Both options are available. I build in Excel (formulas + VBA) or Python depending on your preference and technical setup.
I'm not sure exactly what I need. Can we discuss first?
Absolutely. Send me a message describing your financial problem and I'll suggest the best approach before you order anything.
Reviews
3 reviews for this Gig
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
N nickgouche
Repeat Client
United States
Alexandre was absolutely exceptional from start to finish. He took the time to truly understand our vision for a custom financial calculator and brought it to life with professionalism, creativity, and precision. His communication was outstanding, his attention to detail was elite, and his ability to...
$50-$100
Price
10 days
Duration
A 
Seller's Response
Helpful?L laterlifeguide9
Repeat Client
United Kingdom
Well above expectations, very creative and well laid out for ease of use. Visuals are exceptional, will be ordering more work soon. Highly recommended.
$100-$200
Price
7 days
Duration
A Seller's Response
Helpful?L laterlifeguide9
Repeat Client
United Kingdom
As with my first order, this was exactly as required and produced very quickly. If you are not using Alexandre, you are seriously missing out, but I hope he doesn't get booked up, as I have more work in the pipeline.
$50-$100
Price
2 days
Duration
Helpful?
Reviews
3 reviews for this Gig
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
N nickgouche
Repeat Client
United States
Alexandre was absolutely exceptional from start to finish. He took the time to truly understand our vision for a custom financial calculator and brought it to life with professionalism, creativity, and precision. His communication was outstanding, his attention to detail was elite, and his ability to...
$50-$100
Price
10 days
Duration
A Seller's Response
Helpful?L laterlifeguide9
Repeat Client
United Kingdom
Well above expectations, very creative and well laid out for ease of use. Visuals are exceptional, will be ordering more work soon. Highly recommended.
$100-$200
Price
7 days
Duration
A Seller's Response
Helpful?L laterlifeguide9
Repeat Client
United Kingdom
As with my first order, this was exactly as required and produced very quickly. If you are not using Alexandre, you are seriously missing out, but I hope he doesn't get booked up, as I have more work in the pipeline.
$50-$100
Price
2 days
Duration
Helpful?
