Search for a Python developer (financial audit)
Looking for a Python developer to refine the automated cash transaction audit system.
Project essence:
Analysis of CSV / Excel with cash transactions
Determination of the cash symbol from the payment purpose text
Verification of compliance with the actual symbol
Formation of ERROR / WARN / OK with an explanation of the logic
Logging results in SQLite
UI on Streamlit
Stack:
Python, Pandas, Streamlit, Regex, SQLite
(ML — optionally, already embedded in the architecture)
Requirements:
Refactoring of existing code
Improvement of rule-based logic for symbol determination
Working with texts and regular expressions
📌 There is a working MVP, real (anonymized) data, clear technical specifications.
💼 Format: project / part-time, possible long-term cooperation.
NDA / Confidentiality Terms (Freelancehunt)
By participating in this project, the Contractor confirms agreement with the following terms:
1. Confidentiality
All information obtained within the project
“Automated Cash Operations Audit System,” including:
source code (Python, Streamlit);
algorithms, verification rules, business logic;
data structures, configurations;
examples of financial operations;
is confidential.
2. Usage Restrictions
The Contractor is not allowed to:
use the code or logic in other projects;
copy or reproduce solutions for third parties;
apply developments for their own commercial interests;
publish or use materials in a portfolio;
create similar systems based on the obtained materials.
3. Intellectual Property Rights
All work results (code, algorithms, logic, developments)
are the exclusive property of the Client from the moment of their creation.
4. Duration
Confidentiality obligations are valid:
during the project execution;
and after its completion without time limitation.
5. Violations
In case of violation of these terms, the Client reserves the right to:
terminate cooperation;
initiate a claim through the Freelancehunt platform;
demand compensation for damages incurred.
NDA / Умови конфіденційності (Freelancehunt)
Беручи участь у цьому проєкті, Виконавець підтверджує згоду з такими умовами:
1. Конфіденційність
Уся інформація, отримана в межах проєкту
«Система автоматизованого аудиту касових операцій», включаючи:
програмний код (Python, Streamlit);
алгоритми, правила перевірок, бізнес-логіку;
структури даних, конфігурації;
приклади фінансових операцій;
є конфіденційною.
2. Обмеження використання
Виконавець не має права:
використовувати код або логіку в інших проєктах;
копіювати або відтворювати рішення для третіх осіб;
застосовувати напрацювання у власних комерційних інтересах;
публікувати або використовувати матеріали в портфоліо;
створювати аналогічні системи на основі отриманих матеріалів.
3. Права інтелектуальної власності
Усі результати робіт (код, алгоритми, логіка, напрацювання)
є виключною власністю Замовника з моменту їх створення.
4. Термін дії
Зобов’язання щодо конфіденційності діють:
протягом виконання проєкту;
та після його завершення без обмеження в часі.
5. Порушення
У разі порушення цих умов Замовник залишає за собою право:
припинити співпрацю;
ініціювати претензію через платформу Freelancehunt;
вимагати компенсацію завданих збитків.
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17 days379 USD
17 days379 USD
Have you, Vitaliy, ever felt that the developed system could still become more perfect? I see a lot of potential in your project. My experience in Python and working with Pandas and Streamlit will allow me to transform your MVP into a real financial audit tool. I will focus on improving the logic of character recognition, optimizing regular expressions, and the logging system. My ability to adapt to new technologies ensures the effective and quick implementation of your requirements. I invite you to discuss collaboration opportunities!
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1 day22 USD
320 1 day22 USD
Hello!
I have experience in Python development with a focus on data processing, rule-based logic, and automation. I have worked with Pandas, regular expressions, SQLite, and created UI on Streamlit for analytical tools.
I am ready to refactor existing code, improve the logic for determining cash symbols, and enhance the quality of text data validation. I have experience working with real data and clear technical requirements.
I would be happy to discuss the project and the format of collaboration.
-
1 day33 USD
2248 18 3 1 day33 USD
Hello! I have experience in similar tasks related to financial data processing, so I am ready to promptly take on the refactoring of your MVP and the refinement of the logic. I work cleanly, adhere to architecture, and will ensure the transparent operation of the system according to your specifications. Write to me - we will discuss the details and deadlines.
-
1 day16 USD
656 9 0 1 day16 USD
Good day, Vitaliy!
In general, the task is clear, but for an accurate response regarding the deadlines and price, I would like to clarify some questions that arose after analyzing your task.
Please write in private messages – we will discuss the details and your wishes.
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15 days602 USD
297 1 15 days602 USD
Hello.
This project focuses on improving a Python-based system for automated cash transaction auditing, where the accuracy of rule-based classification and clarity of results are critically important. I would start by refactoring the existing MVP to make the logic more readable, testable, and extensible, and then I would strengthen the character detection rules using structured text analysis and optimized regular expressions. I will ensure transparency and clear explanations of ERROR / WARN / OK outputs, with reliable logging in SQLite and a clean, adaptive Streamlit interface for daily use. With the architecture already prepared for machine learning (ML), I can also lay the groundwork for a smooth transition from pure rule-based logic to hybrid or ML-supported validation if necessary.
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1 day22 USD
1562 7 0 1 day22 USD
I am among the top 5 developers in the category of "Artificial Intelligence and Machine Learning" among ~2100 specialists on the platform.
I guarantee:
- Fast and quality execution of the task
- Clear adherence to deadlines
- Regular communication throughout the entire process
I would be happy to discuss the details of your project in private messages.
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10 days22 USD
1208 20 1 10 days22 USD
Hello! I am ready to help with development, I have extensive experience in developing complex high-load projects.
Write to me privately, we will discuss the details.
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1 day22 USD
6262 74 1 1 day22 USD
Good evening. I have extensive experience in processing CSV/EXCEL tables, interacting with different databases, as well as various ML models.
I would like to see the complete technical specification.
I will be happy to help.
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