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I will build custom python desktop app excel automation calculator windows software
Ayanda E
About this gig
Stop relying on fragile spreadsheets and repetitive manual calculations.
I build custom Python desktop apps that turn complex Excel workflows, business rules, and calculations into reliable Windows software your team can use every day.
Whether you need a landed cost calculator, quoting tool, SKU calculator, logistics application, data processor, reporting tool, or internal business automation, Ill build a clean desktop solution around your actual workflow.
What I can build:
- Custom Python desktop applications with Tkinter
- Excel automation and data processing with openpyxl
- Landed cost, quoting, SKU, shipping, and logistics calculators
- Business rules, calculations, validation, and decision logic
- Excel Results and Errors reports
- CSV audit logs and calculation history
- Warehouse, container, pallet, and cost calculations
- Configurable rates, constants, and business rules
- Windows standalone EXE with PyInstaller
- Automated testing with pytest
- Custom reporting and internal business tools
Have an Excel process you want turned into software? Message me with your workflow and I'll recommend the right approach before you order.
Get to know Ayanda E
Ayanda E
AI Automation, Agents, Private AI and Custom Software Development
- FromNigeria
- Member sinceJul 2025
- Avg. response time1 hour
Languages
English
I'm an AI Automation and Software Developer building intelligent agents, private AI systems, workflow automation, and custom business software. I develop AI agent systems with n8n, OpenAI, Claude, Ollama, Open WebUI, Vapi, and modern AI tools, including RAG chatbots, CRM automation, API integrations, and voice AI workflows. I also build and deploy custom applications with Python, Replit, and AI-assisted development platforms. My focus is reliable, production-ready solutions with clean architecture, automation, testing, and practical business outcomes.
MESSAGE ME WITH YOUR PROJECT DETAILS.
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FAQ
What type of Python desktop application can you build?
I build custom Windows desktop apps for calculators, Excel automation, quoting, SKU processing, logistics, reporting, data validation, and internal business workflows.
Can you turn my existing Excel spreadsheet into a desktop application?
Yes. I can convert an existing Excel workflow into a Python desktop app, preserving the required calculations, business rules, validation, and outputs while making the process easier to use.
Can you build a custom landed cost or quoting calculator?
Yes. I can build calculators around your specific rates, formulas, warehouse rules, SKU data, shipping logic, container or pallet calculations, and quoting requirements.
Will the application work without Python installed?
Yes. When included in your package, I can package the application as a standalone Windows EXE using PyInstaller so your users can run it without setting up a Python environment.
Can the application validate Excel data and show errors?
Yes. I can add field validation, business-rule checks, row-level error handling, warnings, and dedicated Excel Errors reports so incorrect data is identified clearly.
Can you add reports, audit logs, or configurable business rules?
Yes. Depending on the scope, I can add Excel or CSV reports, calculation history, audit logging, configurable rates, constants, and business rules designed for easier future maintenance.
What do you need before starting?
Send your existing Excel files, formulas or business rules, sample input and expected output, required workflow, Windows requirements, and any screenshots or reference applications. I’ll review the scope before development.
