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I need an experienced Python developer who has previously built or maintained live trading systems to step in, trace the fault paths, and deliver clean, reproducible fixes. You’ll get direct access to the current codebase (Python 3.11, pandas, NumPy, and ccxt), my test data, and logs that highlight the misbehaving components. The immediate goal is to isolate whatever is triggering the runtime exceptions and unexpected trade executions, patch the root cause, and walk me through the changes so I understand how the solution works. What I expect as a finished deliverable: • Corrected, fully functioning code committed back to the repo • A concise change log explaining every adjustment • A brief hand-off call or screen share so I can verify the system now behaves as intended on my end If you’ve debugged comparable algorithmic trading strategies before and can move quickly, let’s connect—I’m ready to grant repo access as soon as we agree on a start time.
Project ID: 40454976
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88 freelancers are bidding on average $503 USD for this job

I see you are running into runtime exceptions and unexpected executions while using CCXT and pandas for your trading logic. It sounds like the system is hitting edge cases in live data that weren't captured during initial development. Fixing these glitches is about more than just a quick patch. It requires tracing how your data flows through NumPy to ensure your strategy isn't firing on bad signals or stale prices. I can step in and audit your fault paths to find exactly where the logic breaks. My goal is to give you a stable environment where you no longer have to worry about a crash destroying your configuration. I'll provide a clean change log and walk you through every fix so you can manage the repo with confidence moving forward. We handled similar logic challenges with this Python Deterministic Scoring Engine: https://www.freelancer.com/portfolio-items/11337466-python-deterministic-scoring-engine Want a 2-min screen recording of how I'd build error-handling wrappers for your CCXT calls? Just say the word. ~ Rajesh
$500 USD in 7 days
9.3
9.3

As an accomplished Electrical Engineer with a Master's degree in Embedded Systems, I may not have exact experience with algorithmic trading systems, but my extensive knowledge and hands-on work in firmware development aligns perfectly with the type of fault-finding task you are seeking a freelancer for. Tackling the root cause of issues, delivering clean and reproducible fixes, and explaining the changes involve keen attention to detail and deep technical know-how, all of which I bring to the table. Moreover, having worked with different microcontrollers and embedded systems like STM32, ESP32, Raspberry Pi – I'm fluent in Python 3.11, pandas, NumPy, and ccxt – your codebase and familiar runtime environment. My prior exposure to debugging intricate embedded systems on projects that demanded meticulous understanding of peripherals could prove invaluable in isolating faulty components and fixing runtime exceptions for your trading algorithm. In addition to providing you clear deliverables of corrected code committed back to the repository accompanied by a concise change log in your preferred format (whether it be written, or screen-shared), as someone who is keen on facilitating knowledge transfer and ensuring client satisfaction; I am looking forward to walking you through each alteration with patience and clarity. Let's connect and resolve these issues expeditiously while ensuring an informed transition of knowledge.
$750 USD in 7 days
8.2
8.2

⭐⭐⭐⭐⭐ Fix Live Trading System Issues with Expert Python Development ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and can see you're looking for an experienced Python developer to fix your live trading system. Look no further; Zohaib is here to help you! My team has successfully completed over 50 similar projects for trading systems. I will analyze the current codebase, identify the fault paths, and provide clear and reproducible fixes while ensuring everything stays within your budget. ➡️ Why Me? I can easily resolve your live trading system issues as I have 5 years of experience in Python development, focusing on algorithmic trading, debugging, and system optimization. My skills include working with Python 3.11, pandas, NumPy, and ccxt, ensuring a thorough understanding of your project needs. ➡️ Let's have a quick chat to discuss your project in detail, and I can show you samples of my previous work. I look forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ Python Development ✅ Debugging ✅ Algorithmic Trading ✅ pandas ✅ NumPy ✅ ccxt ✅ Code Optimization ✅ Issue Tracking ✅ Change Log Documentation ✅ Test Data Management ✅ Runtime Exception Handling ✅ System Verification Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
8.1
8.1

Hi - Elias here from Miami. The primary challenge with debugging a Python trading algorithm lies in ensuring real-time data handling and maintaining state across varying market conditions. Many implementations fail due to poor error handling and lack of resilience against data integrity issues, which can lead to incorrect trading decisions. Common pitfalls include inadequate logging, which obscures the root cause of failures, and assumptions about data formats that can change unexpectedly. Furthermore, systems that aren't architected for scalability can struggle under high loads, leading to latency spikes or outright failures. I propose a systematic approach to debugging your algorithm. First, I would establish comprehensive logging and monitoring to capture anomalies in real-time. Then, I would implement robust error handling to gracefully manage unexpected data inputs. By ensuring the algorithm can maintain state effectively, we can mitigate risks associated with transient failures. It's critical to address how data flows through the system early on. Specifically, we should determine the points where data is ingested, processed, and acted upon. This will inform decisions about architecture and necessary optimizations. Could you clarify the types of market data you’re currently using, and how frequently it updates? Looking forward to discussing this further.
$500 USD in 3 days
7.8
7.8

Hi, I understand your trading algorithm is acting up and causing unexpected trades and errors. I will carefully trace through the code, especially focusing on tricky parts where the logic might go wrong, and fix the root issues. I’ll also review and clean up the code, update the change log, and share the fixes with clear explanations. After fixing it, I’ll do a quick call or screen share to make sure everything works perfectly on your side. I believe good communication and quality work save time and help your business grow. Let’s chat about the plan so we can build a stronger system together. Regards, Nick.
$250 USD in 3 days
8.2
8.2

I have extensive experience in debugging and maintaining live trading systems using Python. I have worked with Python 3.11, pandas, NumPy, and ccxt in the past, making me well-equipped to tackle the issues in your algorithm. I am proficient in C Programming, Python, Software Architecture, Software Testing, and C++ Programming, which are all essential skills for this project. I am confident in my ability to trace fault paths, provide clean fixes, and ensure the algorithm functions as intended. I am ready to start working on this project immediately and can provide the required deliverables within the specified timeline. See the above links please. Please go through my profile its 15 years old see the work I did over the years. ---> No Win No Fee means that your satisfaction is my utmost priority. <---- Lets discuss the job details. Moreover, I am willing to start the job and perform tasks without even being hired; it is just to show my commitment to this project. Looking forward to hear from you. Regards Shah
$473 USD in 6 days
7.4
7.4

Hello, I have experience working with Python-based backend systems, debugging complex runtime issues, and stabilizing production-style workflows involving APIs, async processing, and data-heavy logic. Your setup using Python 3.11, pandas, NumPy, and ccxt is very familiar territory. I understand the priority is not just fixing visible errors, but tracing the actual fault paths causing runtime exceptions and incorrect trade executions, then implementing reproducible fixes without introducing new instability. Here’s how I would approach it: • Review logs, execution flow, and failing trade scenarios • Trace exception sources and unexpected order triggers • Debug strategy logic, exchange interactions, and edge-case handling • Validate pandas/NumPy calculations and state management • Test fixes against provided datasets and simulated runs • Refactor unstable sections where needed for reliability and clarity • Commit corrected, documented code back to the repository Deliverables: • Fully corrected and tested code • Clear changelog explaining each fix and why it was needed • Walkthrough call/screen share to verify behavior and explain updates I understand trading systems require careful debugging because even small logic flaws can create costly execution issues, so I focus heavily on reproducibility, logging, and controlled testing before deployment. I’m ready to start quickly and can begin reviewing the repo as soon as access is shared. Looking forward to connecting.
$500 USD in 7 days
7.4
7.4

Hi, ★★★ Python Expert ★★★ 8+ Years of Experience ★★★ I can debug and fix your trading system with clean, reproducible solutions. This will include: - Isolating the root cause of runtime exceptions - Delivering corrected code committed back to the repo - Providing a concise change log for all adjustments - Conducting a brief hand-off call to verify functionality I will analyze the existing code, identify issues, and implement fixes using best practices in Python development. Ready to start once you provide repo access. Thanks!
$350 USD in 3 days
7.1
7.1

With over a decade of experience as an Full stack developer , I've developed an impressive range of skills in C++ Programming, Data Analysis, Python, Software Architecture, Software Development, and Software Testing that give me a unique advantage when it comes to troubleshooting complex issues. Regarding your project, my knowledge in Python 3.11, pandas, NumPy, and ccxt combined with extensive experience in building and maintaining live trading systems makes me an ideal fit for tracing and fixing fault paths within your algorithm. I'm confident that I can swiftly isolate the root cause of the unexpected trade executions and runtime exceptions. My strengths extend beyond just fixing bugs; I have a strong interest in ensuring you have a solid understanding of the changes made through a concise change log and clear explanations during our hand-off call or screen share session. Being able to demonstrate clear solutions that work seamlessly in your specific case is one of my core competencies. You can count on me to deliver not only fully functioning code corrected with cryptic bugs resolved but also comprehensive documentation that enhances maintainability going forward. Let's connect - I am ready to dive into your codebase immediately to get you back on track as quickly and smoothly as possible.
$750 USD in 7 days
7.0
7.0

SURE------I will debug it effectively as per the given description-------------- I am highly appreciative to work on this specific task I can do my best. I am an Innovative PYTHON/Full stack developer having rich experience with so many successful Tasks. I have some queries to give you accurate time and price Let’s connect on chat for further discussion and start quickly. Thanks!!
$510 USD in 7 days
6.7
6.7

As an experienced python developer, I understand the intricate nature of debugging, especially in complex algorithmic systems like trading. My proficiency in Python 3.11, pandas, NumPy, and ccxt positions me well to identify, trace, and remediate fault paths quickly and effectively. I have successfully maintained a few live trading systems in the past where my focus was always on delivering clean and reproducible fixes within the stipulated timeframe. Through my firm, Web Crest, which consists of a skilled and reliable team of ten experts, we ensure that our solutions are not only functional but also scalable and future-ready. This could be a valuable advantage for your project as we can optimize the system and ensure long-term stability. Moreover, our approach doesn't stop at writing code. We prioritize clear communication, so you can expect concise change logs documenting each adjustment made during debugging process. I'm keen on complete transparency—it is important to me that you understand how the solution works so you are empowered to handle it going forward. Let's connect and debug these exceptions together; I’m confident we can resolve them efficiently while building a strong foundation for your trading system's future success!
$700 USD in 5 days
6.6
6.6

Hi, I’ve developed multiple algorithmic trading solutions using Python, including a fully operational crypto trading bot that utilized Binance’s WebSocket API for real-time data and executed trades based on custom indicators. I also have extensive experience with CI/CD pipelines, ensuring that production code is always stable and reliable. I can start immediately and will dedicate 10–12 hours per week to this project. Let’s schedule a quick 10-minute call to discuss your requirements in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best regards, Adil
$472.08 USD in 7 days
6.0
6.0

As a seasoned Full Stack Developer with extensive experience in software development and software architecture, I possess the skills needed to debug and rectify any issues within your Python trading algorithm. My expertise extends to various frameworks like PHP, Laravel, React JS, and Flutter -- all of which testify to my ability to handle complex coding problems. Given the dynamic nature of the financial market, it's crucial for a Python developer to understand how algorithms work in practice. I've built and maintained live trading systems before, which means I understand the responsibility that comes with handling your project. Not just fixing the code but explaining every adjustment in a clear change log so that you're empowered with a deeper understanding of the root cause. Moreover, apart from delivering optimal solutions within tight deadlines, I focus on clean code documentation and consistent progress updates - qualities validated by my many satisfied clients. So let's take this chance to leverage my proficiency in Python 3.11, pandas, NumPy, and ccxt with direct access to your current codebase. I am excited about the prospect of not just debugging your algorithm but also empowering you with knowledge so that such issues can be resolved faster in future. Let's make the best decision together and get this project back on track!
$250 USD in 1 day
5.7
5.7

Hello, I can step in and debug your Python 3.11 trading algorithm, trace the runtime exceptions and unexpected trade executions through pandas, NumPy, ccxt, logs, and test data, then commit clean and reproducible fixes back to your repo. I have worked on live trading and data-driven Python systems where careful fault isolation, safe execution logic, and clear change tracking were essential, so I can also provide a concise changelog and walk you through each adjustment in a hand-off call. I am ready to begin immediately and would be happy to discuss the project in further detail. Thanks, Teo
$300 USD in 3 days
5.8
5.8

I can help you. I will systematically isolate the state management issues and data misalignments in your CCXT and pandas integration that lead to runtime exceptions. My focus will be on hardening the execution logic to eliminate race conditions and ensuring your trade triggers are validated against clean data frames before hitting the exchange. I’ll provide a technical breakdown of the logic patches so the underlying architecture remains stable and transparent.
$250 USD in 7 days
5.9
5.9

Greetings, I see you’re looking for someone to debug your Python trading algorithm, focusing on tracing the faults and ensuring everything runs smoothly. I have experience in developing and maintaining live trading systems, which means I’m familiar with the nuances that can lead to runtime exceptions and unexpected behaviors. To tackle your issues, I’ll dive into the provided codebase, test data, and logs to identify the root causes of the problems. I’ll implement necessary fixes and ensure the code is clean and functional. After that, I’ll prepare a concise change log and guide you through the updates in a hand-off call, making sure you’re comfortable with the changes. I’m ready to jump in and help get your trading system back on track. Best regards, Saba Ehsan
$350 USD in 4 days
5.6
5.6

1. Hook I see you’re running Python 3.11 with pandas NumPy and ccxt and getting runtime exceptions plus unexpected trade executions — that combination usually points to state desync between signal logic and exchange acknowledgements. 2. Insight The real problem is rarely a single exception line. It’s usually race conditions or retry logic that treats failed responses as not executed and then reissues orders. 3. Proof I recently tracked down and fixed a ccxt based bot that was placing duplicate orders by enforcing idempotency and correcting async order acknowledgement handling. 4. Approach - Reproduce the failure locally with your test data and logs - Add targeted instrumentation to trace the exact fault path - Patch root cause (idempotency tokens state sync and tighter exception handling) - Add regression tests, commit clean patch and concise changelog 5. Client Questions I’ll deliver corrected code committed to your repo a changelog for every change and a short handoff screen share so you can verify behavior. 6. CTA What branch should I work on and can you grant repo access plus the test data and logs now? I’ll prepare a one page architecture note and patch summary before the handoff.
$500 USD in 7 days
4.8
4.8

It sounds like you're facing some significant challenges with your Python trading algorithm, particularly concerning runtime exceptions and unexpected trade executions. With over 12 years of experience in developing and maintaining live trading systems, I can help you trace the fault paths quickly and implement effective solutions. Having worked extensively with Python 3.11, pandas, NumPy, and ccxt, I'm well-equipped to dive into your existing codebase. My approach will focus on isolating the root causes of the issues you're encountering, ensuring clean and reproducible fixes. I will also provide a concise change log detailing all adjustments made for transparency. As part of the hand-off process, I’ll conduct a brief call or screen share session to walk you through the modifications and ensure that everything functions as intended on your end. Could you please share more details about any specific errors or logs you've encountered? This would help me tailor my initial review effectively.
$750 USD in 7 days
4.3
4.3

Hi there, I am A.R.M. MASUD, with a strong Data Science background. As a Python developer, I have extensive experience building robust, scalable, and efficient solutions that address various business needs. I understand the importance of delivering high-quality, well-architected code, and I am committed to working closely with you to ensure the success of this project. I implement core functionality using Python, utilizing relevant libraries and frameworks such as Pandas, NumPy, GUI, SciPy, Matplotlib, Seaborn, Plotly, Scikit-learn, TensorFlow, Keras, PyTorch, spaCy, Flask, Django, FastAPI, OpenCV, and Jupyter. I am a professional responsible for extracting actionable insights and knowledge from large volumes of data through Machine Learning models, including CNNs, RNNs, LSTMs, GANs, Transformers, FNNs, ANNs, and DNNs. I conduct comprehensive unit, integration, and performance testing to ensure the solution is error-free and optimized. https://www.freelancer.com/u/MZITSERVICES I appreciate the opportunity to submit this proposal and am excited about the possibility of working with you to bring your project to life. Thanks A.R.M MASUD
$500 USD in 7 days
4.6
4.6

As a Python developer with a wealth of experience building and maintaining live trading systems, I am confident that I have the expertise required to successfully complete your project. My skill set includes Python 3.11, pandas, NumPy, and ccxt, which aligns perfectly with your existing codebase, therefore minimizing any learning curve. Debugging is an area where I truly thrive - my strong capacity for diagnosing and resolving technical issues will be invaluable in tracing the fault paths and delivering clean, reproducible fixes. In addition to my proficiency in Python and related technologies, I'm also capable with Node.js, Express, React and other backend tools - this comprehensive knowledge allows me to bridge front-end and back-end discrepancies effectively. By choosing me for this project, you are ensuring a meticulous troubleshooter who is capable of quickly grasping complex algorithmic strategies amidst providing the fully functioning code with detailed change logs that you need. Let's connect and get started!
$400 USD in 7 days
4.3
4.3

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