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I maintain a custom-built Python accounting platform and need an experienced developer to bring it back to top shape. My first priority is to eliminate the bugs that are disrupting daily use; I will supply error logs, sample data and clear steps to reproduce the issues as soon as we start. Once the application is stable, I also want to expand its capabilities with three specific additions: • Automated invoicing • Expense tracking • Financial reporting The current stack relies on standard Python 3 libraries along with Flask and SQLAlchemy, so familiarity with those tools will help you move quickly. Clean, well-commented code, passing unit tests and concise setup notes are required for acceptance—everything must slot straight into the existing Git repository and staging environment. If you have a track record of fixing production Python systems and rolling out new features without breaking what already works, I’d like to hear how you would tackle this.
Project ID: 40438748
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Hi there, I’ve reviewed your project details and am ready to get your accounting platform back to 100%. With a strong background in Python 3, Flask, and SQLAlchemy, I specialize in debugging production systems and scaling them with clean, maintainable code. My Approach: Stabilization: I will use your logs and reproduction steps to squash existing bugs immediately, ensuring a stable baseline. Feature Rollout: I’ll implement the automated invoicing, expense tracking, and reporting modules, ensuring they integrate seamlessly with your existing architecture. Quality Assurance: All work will include unit tests and clear documentation to ensure a smooth merge into your Git repository and staging environment. I’ve handled similar "fix and expand" projects before and understand the importance of not breaking what already works. Let’s get this sorted. When can we discuss the error logs? Best regards, Ibrahim Altaf
$220 USD in 7 days
2.9
2.9
57 freelancers are bidding on average $160 USD for this job

This looks straightforward at first, but in my experience there’s usually a key detail that can cause issues later. I’ve handled similar projects before and can outline a practical approach for you. For similar work and case studies, feel free to check my profile: https://www.freelancer.com/u/Microlent Let me know if you I'd like me to walk you through the plan. – Rajesh Rolen
$140 USD in 7 days
9.5
9.5

Hi, I’ve spent 12 years developing web apps with Python and PHP, and I’ve worked extensively with Flask and Django. I’ve also led teams and managed products, so I understand the importance of delivering stable, production-ready code. I’ve built several accounting systems, including one that’s currently used by 1,000+ active users. I’m well-versed in handling sensitive financial data and ensuring compliance with regulations like GDPR. I can start immediately and will dedicate 10 hours per week at the same rate, with no extra charges for additional hours. Let’s schedule a quick introductory call to discuss your project in more detail and see if I’m the right fit. Feel free to message me anytime—I usually respond within 10 minutes. Best regards, Adil
$101.75 USD in 7 days
7.5
7.5

Hi! I can help you with stabilizing your accounting platform and adding those new features. Flask and SQLAlchemy have been core tools in my work for years so I'll move fast once you share the error logs and reproduction steps. My approach would be to knock out the bugs first with proper unit tests for each fix, then layer in the invoicing, expense tracking, and reporting modules one at a time so nothing breaks along the way. Clean commits, comments, and setup docs are just how I work anyway. I'm Edward, 10+ years of Python development and I've maintained production systems exactly like this. Let me know if you want to discuss the details.
$80 USD in 7 days
7.0
7.0

Hello, I understand you have a production Python accounting system (Flask + SQLAlchemy) that currently has stability issues, and your immediate priority is to fix bugs affecting daily operations before extending it with invoicing, expense tracking, and financial reporting features. I will first focus on stabilizing the system by reviewing your error logs, reproducing issues, and systematically fixing backend and database-related bugs while ensuring no regression in existing functionality. Once stable, I will implement the new modules using clean SQLAlchemy models, Flask routes, and service-layer logic for automated invoicing, structured expense tracking, and accurate financial reporting with exportable summaries. You will receive clean, well-documented code integrated directly into your Git repository with unit tests to validate core workflows and ensure production safety. I will also provide concise setup and deployment notes so the system can be safely maintained and extended without disrupting current operations. Thanks, Asif
$250 USD in 4 days
6.9
6.9

Hi, I've spent the last four years debugging and stabilizing production Flask/SQLAlchemy applications, so your accounting platform is right in my wheelhouse. My approach would be to first triage every bug using your error logs and reproduction steps, write regression tests to lock each fix in place, then deploy to staging for your sign-off before touching production. Once the codebase is stable, I'd build out the invoicing, expense tracking, and reporting modules as clean, well-documented extensions that plug into your existing data models and API patterns—no rewrites, no surprises. All code will come with unit tests, inline comments, and setup notes ready to merge into your Git repo. I can start immediately and would love to discuss the details.
$30 USD in 1 day
6.6
6.6

Hi there, I’ve read your project on getting a Python accounting platform back to solid stability and I’m confident I can eliminate the blockers quickly using the error logs, sample data, and clear reproduction steps you provide. I will start by reproducing issues from your logs, add targeted unit tests, and fix root causes in the Flask/SQLAlchemy stack so daily use becomes reliable again. I will then extend the system with automated invoicing, expense tracking, and financial reporting as modular, well-documented features that slot neatly into your existing repo and staging workflow. I will keep the code clean, well-commented, and ensure changes pass your unit tests and setup notes so the team can review and merge smoothly. Next steps: I propose a 1-2 week window to triage, implement the bug fixes, and deliver the first feature pass for automated invoicing, followed by the other two features in subsequent sprints.
$155 USD in 7 days
6.4
6.4

Hello, I am keen to assist with your Python accounting platform. My experience with Python, Flask, and SQLAlchemy equips me well to identify and fix the bugs disrupting your daily operations using the provided error logs and sample data. I prioritize clean and well-commented code to ensure future maintainability and seamless integration into your Git repository. Once stability is achieved, I can effectively implement the automated invoicing, expense tracking, and financial reporting features to enhance the application's capabilities. My track record in fixing production systems ensures I’ll maintain the existing functionality while rolling out these new features.
$200 USD in 2 days
6.5
6.5

Drawing from a decade of industry experience, as a full-stack developer proficient in Python and its relevant libraries like Flask and SQLAlchemy, I am ideally suited to resolve your accounting system's bug issues and enhance its functionalities. My commitment to well-commented, reliable code ensures not only the elimination of existing bugs but also the prevention of future ones that may hamper efficiency. And speaking of ensuring productivity, I appreciate the importance of clean setup-up notes; you can expect meticulous documentation from my end to aid smooth deployment into your Git repository and staging environment. Moreover, I deeply understand the significance successful software integration has on business growth. Hence, I extend my services beyond just bug fixing or feature enhancement. By merging my comprehensive skill set with your vision, we can create an accounting platform that not only matches but exceeds expectations. Think automated invoicing, expense tracking, and financial reporting; I'm up for the challenge! Lastly, as someone who believes in forging long-term professional relationships founded on trust, my service extends far beyond project completion. You can count on me for continuous support and maintenance as we tread along your organization's prosperous journey. Let's connect to leverage my expertise and build a robust digital solution that boosts your operations!
$80 USD in 5 days
6.9
6.9

Hi, I can help take your Shopify store to the next level by integrating the right apps, organizing your product catalog, and ensuring every item displays correctly from collection pages through checkout. I have extensive experience with Shopify app setup, product imports, collections, variants, image optimization, SEO, and conversion-focused storefront organization. I will install and configure your selected apps for reviews, upsells, shipping, and payments, test them thoroughly, and provide simple notes so you can adjust settings confidently later. I will also upload and format your products, optimize descriptions, organize collections, verify pricing and variants, and make sure all images and SEO details are in place. Everything will be tested on desktop and mobile to ensure a clean shopping experience with no functional issues. My focus is fast, accurate execution and a polished storefront that is fully ready for customers. Best, Justin
$1,000 USD in 7 days
6.1
6.1

Hi, I noticed your focus on stabilizing the Python accounting platform before expanding features, and the detail about providing reproducible error logs makes it clear where the initial effort needs to go. I’ve handled similar Flask and SQLAlchemy production systems where I restored full functionality by tracing failing queries, tightening data validation, and delivering patches that passed all regression tests. I recently fixed a billing module that had intermittent crashes and delivered automated invoicing and reporting without causing downtime. The main risk here is ensuring bug fixes don’t introduce inconsistencies in existing accounting logic, those edge cases in financial data can silently corrupt tables if migrations or patches aren’t handled carefully. I approach these systems by isolating each failing workflow, writing targeted tests, and validating against sample datasets before merging into Git. I’ll debug the current issues first, create clean commits, then implement automated invoicing, expense tracking, and reporting with attention to schema impact and test coverage. I’ll also document environment setup and note any required refactors. Before starting, I need to confirm your staging environment workflow and whether migrations are currently automated. I can begin immediately. Thanks, John allen.
$155 USD in 1 day
5.9
5.9

Hi there, I see you're looking for help with your Python accounting platform. I understand that you need an experienced developer to address some bugs within your custom-built system. Since your platform is built on Python, I’d focus on identifying the root causes of the issues, possibly utilizing Flask or Django depending on how the current architecture is set up. Version control with Git will also be essential to manage changes efficiently. I'd start by reviewing the existing codebase to pinpoint the specific bugs, then implement fixes while ensuring the platform's integrity is maintained. Q1: What specific bug issues are you currently facing? Q2: Are there particular features that need immediate attention? Q3: What version of Python and any related libraries are you using? Let’s get this sorted out.
$200 USD in 2 days
6.5
6.5

Hello there, I understand your Python accounting platform needs urgent bug fixing and a clean path to three new features. I’m an experienced full‑stack Python developer with deep hands-on work in Flask, SQLAlchemy, and test‑driven development. I approach problems by first reproducing with your logs and steps, then refactoring toward stable, well‑commented code that slots neatly into your repo and staging environment. Previously I’ve resolved production issues in Flask/SQAlchemy apps, implemented robust error handling, and delivered features like automated invoicing, expense tracking, and reporting with clean unit tests and clear setup notes. I’ll apply a cautious, iterative process to ensure no existing behavior is broken and all changes are well-documented and tested. I can handle the bug fixes now and plan the three expansions with a minimal-risk approach, delivering maintainable, dependable results. Best regards, Billy Bryan
$250 USD in 5 days
5.1
5.1

I understand that my profile may not perfectly match the specific skills listed in your project description, but I assure you that my strong foundation in Python, along with phenomenal trouble-shooting and problem-solving abilities, will more than make up for it. Throughout my career spanning over a decade and a half, I have consistently displayed adaptability and resourcefulness in picking up new technologies. My expertise doesn't stop at coding; with significant experience in system administration and DevOps, I bring to the table a comprehensive understanding of the bigger picture when it comes to maintaining applications. Drawing on my extensive experience managing various applications and web frameworks, I can deliver exactly what you require: dependable, bug-free code that integrates seamlessly into your existing environment. Not only am I qualified to resolve your current issues promptly and effectively, but I am also adept at expanding on systems without destabilizing them—a feat we both know requires extreme care—an aptitude I have repeatedly demonstrated over the course of my career.
$250 USD in 3 days
5.2
5.2

✋ Hi There!!! ✋ The Goal of the project:- TO FIX BUGS IN THE EXISTING PYTHON ACCOUNTING SYSTEM AND IMPLEMENT AUTOMATED INVOICING, EXPENSE TRACKING, AND FINANCIAL REPORTING I have carefully read and understood your project description and can stabilize your Flask and SQLAlchemy-based accounting platform efficiently. I am the best fit for this project because of my strong experience in Python systems, bug fixing, and feature expansion without breaking existing functionality. I will eliminate disruptive bugs, add automated invoicing, and implement financial reporting and expense tracking. I provide UI design, database management, testing, and full source code delivery. I have 9+ years experience as a full stack developer and completed similar Python accounting platform enhancements. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$351 USD in 11 days
4.9
4.9

Hi, I am a Python developer with strong experience in Flask and SQLAlchemy applications. I am familiar with Python, Flask, SQLAlchemy, Git, Software Architecture. For this project, I can fix the existing bugs in your accounting system, stabilize the app, and implement automated invoicing, expense tracking, and financial reporting. This ensures your platform runs reliably and is ready for future expansion. I'm an individual freelancer and can work on any time zone you want. Please contact me with the best time for you to have a quick chat. Looking forward to discussing more details. Thanks. Emile.
$250 USD in 7 days
4.4
4.4

With a solid background in Software Engineering and more than 8 years of experience coding in Python, I am confident that I can successfully bring your custom-built Python accounting platform back to peak performance. My familiarity with Flask and SQLAlchemy, central to your system, will allow me to quickly navigate the necessary bug fixes based on the error logs, sample data, and steps you provide - ensuring minimal disruption to daily use. Lastly, my experience extends beyond fixing bugs; it includes expanding large-scale applications much like yours. The proposed additions of automated invoicing, expense tracking, and financial reporting are components I'm very skilled in implementing. My goal is always to provide solutions that cater not just to operational needs but also optimize user experience. As such, I believe I am the ideal candidate to elevate your Python accounting system. Let's get started!
$80 USD in 1 day
4.6
4.6

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, Thank you for sharing your project details. I can optimize your custom-built Python accounting platform using Flask and SQLAlchemy with a clean, modern, and efficient design. I will deliver: • Bug fixes based on error logs and sample data • Automated invoicing feature • Expense tracking functionality • Financial reporting tool • Streamlined code with passing unit tests • Concise setup notes for seamless integration You will also receive: • Documentation for new features • Support for setup and maintenance I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag.
$200 USD in 7 days
4.4
4.4

Hi, this is Kris from McKinney, Texas, I've reviewed your project requirements and understand that your primary focus is on resolving the bugs in your Python accounting system to ensure smooth daily operations. Additionally, you are looking to enhance the platform by adding automated invoicing, expense tracking, and financial reporting functionalities. My approach to this project would involve thoroughly analyzing the error logs and sample data provided to identify and address the bugs efficiently. I would then proceed to integrate the new features seamlessly into the existing system while ensuring code cleanliness, passing unit tests, and providing detailed setup instructions. A few additional questions: Q1: Are there any specific deadlines for resolving the bugs and implementing the new features? Q2: Will there be any training or documentation required for end-users post-implementation? Q3: Do you have a preferred method of communication for project updates and discussions? Best regards, Kris Kramer
$30 USD in 1 day
4.9
4.9

Hello, I am ready to dive into your project immediately. I’ve worked on maintaining and extending production Flask/SQLAlchemy applications where the first phase involved tracing runtime bugs from logs and reproduction steps, stabilizing the codebase, and adding regression-safe fixes before introducing new accounting-related features. For your platform, I’d approach this by isolating the failing workflows first, tightening model/service-layer validation, then implementing invoicing, expense tracking, and reporting modules in a way that fits your existing architecture and deployment pipeline without disrupting current financial data flows. I want to discuss with you in more detail. Kind regards, Mojjammil
$140 USD in 7 days
4.2
4.2

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have experience maintaining and enhancing Python-based accounting systems using Flask and SQLAlchemy, where I fixed bugs promptly to restore smooth daily operations. From my experience, the key to successfully completing this project is thoroughly understanding and replicating the bugs using your error logs and sample data before implementing fixes. Approach: ⭕ Analyze supplied error logs and reproduction steps to identify root causes ⭕ Apply targeted bug fixes ensuring stability and minimal disruption ⭕ Write and update unit tests to cover bug fixes and new features ⭕ Add automated invoicing, expense tracking, and financial reporting features ⭕ Deliver clean, well-commented code integrated smoothly into your Git repository and staging environment ❓Could you clarify which bugs are highest priority to address first? I am confident I can restore your accounting platform’s stability and expand its features reliably to meet your goals. Thank you for considering my proposal. I look forward to the opportunity to assist. Best regards, Nam
$200 USD in 3 days
3.9
3.9

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