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My existing Python script ingests numerical data from several APIs, applies a series of transformations, and then writes the results to disk. Functionally everything works, but execution time has grown to the point that it is now the bottleneck in my workflow. I need the code refactored and tuned for speed and lower memory consumption while keeping exactly the same inputs, outputs, and logic flow so it drops straight back into production. You are free to profile, vectorise, parallel-process, cache, or even swap in faster libraries—as long as the final solution runs on standard CPython 3.x and all third-party packages are installable with pip. Deliverables • Optimised .py file(s) with clear, in-code comments explaining the changes • A short performance report showing before-and-after runtimes on my sample dataset • A [login to view URL] (or updated one) if new libraries were introduced I will supply the current script, sample API responses, and a small benchmark driver so you can reproduce the slowdown locally. If your first pass already shows a consistent speed-up of at least 3×, we can discuss further micro-optimisations or adding unit tests before final hand-off.
Projekt-ID: 40261941
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Hi, I’d be glad to help optimise your Python pipeline while keeping its inputs, outputs, and logic flow exactly the same so it drops straight back into production without disruption. My approach would be: • Profile first (cProfile, line_profiler, memory_profiler) to identify true bottlenecks • Optimise hotspots via vectorisation (NumPy/Pandas where appropriate), algorithmic improvements, and reduced object churn • Apply safe parallelism ([login to view URL] / multiprocessing) for API ingestion or independent transforms • Introduce caching where beneficial (e.g., LRU / memoization) • Reduce memory footprint through streaming patterns, generators, and efficient data structures I’ve previously refactored API-heavy data workflows achieving 3–8× speedups while lowering peak memory usage, without changing external behaviour. Deliverables will include: ✔ Clean, well-commented optimised .py file(s) ✔ Before/after benchmark report using your dataset ✔ Updated [login to view URL] (pip-installable only) If the first pass hits ≥3× improvement, I’m happy to continue with deeper micro-optimisations and optional unit test coverage. Please share the current script and benchmark driver, and I’ll start with profiling immediately.
$140 USD på 7 dage
3,8
3,8
113 freelancere byder i gennemsnit $134 USD på dette job

Dar Client, As a highly experienced software development agency, WellSpring Infotech, led by myself, Rekha, I am confident that we can transform your Python data processing script into a highly efficient and streamlined powerhouse. We excel at analyzing existing code, identifying potential bottlenecks and finding innovative ways to lessen execution time and memory consumption without compromising functionality or compatibility with third-party packages. Our mastery in Python, coupled with our deep understanding of APIs and software architecture, makes us perfect for the task at hand. Our proficiency cuts across all areas of software development - from web and mobile apps to data management and cybersecurity. This wide-ranging expertise gives us a unique advantage in optimizing not just your Python script, but also any potential issues you may face in your overall workflow. Doing meaningful work is a cornerstone of what we do; that's why not only will we deliver a meticulously optimized code base with clear comments explaining the changes made, but will also provide you with a performance report showcasing the remarkable improvements achieved using real-world benchmarking data. It would be an honor to help speed up your processing significantly - 3×minimum guaranteed, so why not take that step now for faster execution tomorrow? Drop us a message today, and let's brighten up your workflow as intended!!! Thank you!!!
$250 USD på 7 dage
7,3
7,3

I have optimized code mostly in C, but can do it in Python too. Would like to see your code, before we start.
$80 USD på 2 dage
7,5
7,5

Hi there, I’ve optimized Python scripts that process large datasets and integrate with multiple APIs, achieving speed improvements of up to 80% while ensuring data accuracy. I understand the importance of balancing speed with memory usage and have experience with libraries like NumPy and Pandas for efficient data handling. In your case, I’d start by profiling the existing code to identify slow areas, then apply techniques like parallel processing, caching, and optimized libraries to enhance performance without changing the input-output structure. Let’s schedule a 10-minute call to discuss your project in detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil
$163,17 USD på 7 dage
7,1
7,1

Hello, I can profile your existing Python script identify every bottleneck vectorise the transformations apply parallel processing where appropriate and deliver an optimised codebase that drops straight back into production with the same inputs outputs and logic flow alongside a clear before and after performance report. Data processing scripts that have grown slow over time almost always have two or three high impact bottlenecks hiding in the transformation chain fixing those specific points with vectorisation or concurrent API calls typically delivers the 3x improvement without needing to touch the rest of the codebase. 1- How large is the typical dataset being processed and how many API calls does each run make? 2- Are the transformations applied sequentially per record or across the full dataset at once? Warm Regards, Kamran
$200 USD på 9 dage
7,5
7,5

Hello I hope you're doing well. I understand you're looking for Optimize Python Data Processing I am the ideal candidate for your project. I have read the provided job description and I understand what you are looking for. I have over 10+ years of experience JavaScript, Python, Linux, Data Processing, Software Architecture, Parallel Processing, Data Analysis, API Integration .Please feel free to further discuss the requirements and timeline for the project. I'd be happy to assist you. I am ready to start right now. ✅ No Upfront Payment ✅ Release Milestone After Completion ✅ 100% Project Completion Rate You can visit my Profile https://www.freelancer.com/u/HiraMahmood4072 Thank you
$100 USD på 2 dage
6,1
6,1

Hi there,Good morning I am Talha. I can work with your project skills Data Analysis, API Integration, Linux, JavaScript, Software Architecture, Python, Parallel Processing and Data Processing I am excited to present my proposal, which centers around a personalized approach designed to elevate your project. We will start with an in-depth consultation to gain a deep understanding of your project's unique requirements, goals, and constraints. Our commitment to customization means that we will tailor our services to align perfectly with your project, and we will explain how this approach will meet your expectations. Please note that the initial bid is an estimate, and the final quote will be provided after a thorough discussion of the project requirements or upon reviewing any detailed documentation you can share. Could you please share any available detailed documentation? I'm also open to further discussions to explore specific aspects of the project. Thanks Regards. Talha Ramzan
$30 USD på 10 dage
5,9
5,9

Hello. Thanks for your job posting. ⭐Optimize Python Data Processing⭐ I'm the developer you're looking for. I can successfully complete your project. Let's chat for a more detailed discussion. Thank you. Maxim
$30 USD på 4 dage
5,5
5,5

Hello, I see that you need the code of your existing Python script refactored and tuned for speed and lower memory consumption while keeping all things exactly the same so that it will drop straight back into production. I would love to discuss more details over private message. Looking forward to working with you, Fahad.
$100 USD på 1 dag
5,6
5,6

Hello, I'm confident I can optimize your Python data processing script for speed and efficiency while preserving its functionality. I'll profile your code, implement vectorization, parallel processing, and caching where appropriate, and ensure compatibility with standard CPython 3.x. I’ll also provide clear in-code comments, a performance comparison, and an updated requirements.txt. Looking forward to helping you streamline your workflow! Best regards, Ruslan D
$140 USD på 1 dag
5,4
5,4

Hi there, I’m Ahmed from Eastvale, California — a Senior Full-Stack & AI Engineer with over 15 years of experience building high-quality web and mobile applications. After reviewing your job posting, I’m confident that my background and skill set make me an excellent fit for your project — Optimize Python Data Processing . I’ve successfully completed similar projects in the past, so you can expect reliable communication, clean and scalable code, and results delivered on time. I’m ready to get started right away and would love the opportunity to bring your vision to life. Looking forward to working with you. Best regards, Ahmed Hassan
$120 USD på 2 dage
4,9
4,9

Hi, I am a full-stack AI developer with 8 years of rich experience in software development, with a strong focus on Python performance and data pipelines. I am familiar with Python 3.x, profiling (cProfile/py-spy), vectorization (NumPy/Pandas), multiprocessing/async patterns, caching, API integration, Linux environments, and writing production-safe refactors. For this project, I will profile your current script, identify the real bottlenecks (API calls vs transforms vs disk I/O), then refactor for lower runtime and memory while keeping the same inputs/outputs and logic flow so it drops back into production, and deliver the optimized files plus a short before/after benchmark report and updated requirements.txt. 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.
$100 USD på 7 dage
5,0
5,0

Hi... Nice to meet you. I am a data science with PYTHON and Matlab. I have full experience in forcasting based on previous record data andanalysis recorded huge data. Firstly, training recorded data and then forcasting future data base on trained data. after that I made report base on analysed result. I am working more than 5 years in this field. I have finished similar many this projects before. So i am sure for your task and i can finish your task perfectly. Please discuss your project more. Thanks.
$50 USD på 2 dage
5,3
5,3

Dear Client, I am excited about your project "Optimize Python Data Processing" and confident I can deliver excellent results. With strong experience in similar work, I understand your requirements and can start immediately. I would love to discuss your project further and answer any questions. Thanks and best regards, Faizan
$90 USD på 5 dage
5,0
5,0

Hello, I hope you are doing well. I’m a Python software engineer who specializes in speeding up data-intensive pipelines while preserving exact inputs, outputs and logic flow. I craft clean, production-ready code that stays fast and memory-friendly so it can drop straight back into production without changes to how it behaves. I’ve previously refactored data-processing scripts by profiling hotspots, applying vectorized operations, parallel processing, and caching, all while keeping the original API and data contracts intact. My approach centers on profiling, then targeted optimizations using numpy/pandas where appropriate, streaming where possible, and careful memory management to achieve stable gains. I can deliver a drop-in Python refactor with thorough in-code comments, a short before/after performance report, and an updated requirements file. If the first pass shows at least a 3× speed-up, I’m happy to discuss micro-optimizations or add unit tests as a next step. Please feel free to contact me so we can discuss more details. I am looking forward to the chance of working together. Best regards,
$250 USD på 2 dage
4,0
4,0

Welcome to professional Python development services! Hi there, I'm Alema, a Python expert programmer who strives for clear code in atmospheric, numerical weather prediction, physics, and all other seminal fields. I'm ready to provide you with high-quality services. I have completed 350+ projects with a 100% Positive Rating. If you are looking for Quality work, look no further. Also, we are a team of professional workers, and we are always available 24/7 to help employers without limitations, and delivery is guaranteed on time. Your faithfully. Eng. Alema Akter
$30 USD på 2 dage
3,2
3,2

Hello! I am a US-based senior software engineer with extensive experience in Python and data processing. I carefully read your project description regarding optimizing your existing Python script that ingests numerical data from APIs and applies transformations. I understand the importance of efficiency and performance in your data processing tasks. With over 15 years of experience in software architecture and data analysis, I'm confident in my ability to enhance your script. I specialize in API integration and parallel processing, which I believe are crucial for your project’s success. Could you please clarify the following questions to help me better understand the project? 1. What specific performance metrics are you looking to improve with the optimization? 2. Are there any particular APIs or data sources that require special attention during the integration? I suggest a phased approach starting with a thorough review of the existing script, followed by identifying bottlenecks, and then implementing optimizations. I'm committed to delivering a solution that not only meets your requirements but exceeds your expectations. If you're looking for a serious engineer who pays attention to detail, let's chat! Looking forward to your response. Best, James Zappi
$200 USD på 2 dage
3,2
3,2

Hi there, We understand your existing Python script correctly ingests API data, transforms it, and writes results to disk, but performance and memory usage have become bottlenecks, and you need a refactor that preserves identical inputs, outputs, and logic while delivering significant speed improvements. SEO Global Team has strong experience profiling and optimizing Python workloads using tools like cProfile and line_profiler, applying vectorization (NumPy/Pandas), efficient I/O handling, caching, multiprocessing/async strategies, and memory-aware refactoring while keeping full CPython compatibility. We will benchmark your current script, identify computational hotspots and memory pressure points, implement safe optimizations (vectorization, batching, concurrency, or faster libraries where appropriate), validate identical output integrity, and deliver optimized code with clear comments, updated requirements, and a before/after performance report targeting a 3×+ improvement. Is the workload CPU-bound or I/O-bound based on your current observations? Are the API calls part of the benchmark or already cached in your test driver? What is the approximate dataset size in your typical production run? Best regards, Aaron SEO Global Team
$200 USD på 7 dage
3,2
3,2

Hello, I will refactor your Python script to achieve significant speed improvements and reduce memory usage. The goal is a seamless drop-in replacement that maintains the original inputs, outputs, and logic. I've successfully optimized similar data ingestion scripts in the past, achieving speed-ups of 5× or more by applying various techniques. My approach will include: • Profiling the existing script to identify bottlenecks • Vectorizing data transformations using NumPy for efficiency • Implementing parallel processing with multiprocessing or joblib • Caching results where applicable to minimize redundant calculations • Exploring faster libraries like Pandas or Dask if beneficial • Adding clear comments in the code for transparency To ensure we align perfectly, I have a couple of questions: • What is the typical size of your input datasets? • Are there any specific libraries you prefer or want to avoid? I’m ready to start immediately and look forward to enhancing your script's performance.
$30 USD på 7 dage
2,5
2,5

Hi, that’s great to hear! Your project closely aligns with one I recently completed. In that project, I built a high‑performance data ingestion and transformation pipeline using optimized Python data structures, vectorized operations, and parallel processing with careful profiling, memory‑aligned arrays, and pip‑installable acceleration libraries. Your need to refactor and speed up an existing API‑driven Python workflow while preserving the exact logic flow fits perfectly with that experience. I can optimize your script for faster execution, lower memory usage, and smooth drop‑in compatibility with CPython 3.x. Clear in‑code comments, a before/after performance report, and an updated requirements file will all be included. I’d be glad to connect and share my experience in more detail over chat. Thank you. Best regards, Lazar
$100 USD på 1 dag
2,2
2,2

As an experienced Frontend Developer, I bring a unique perspective to Python optimization. Many of the skills fundamental to my work - such as performance enhancement, animations, and interactivity - directly align with your project needs. I have an expert command over JavaScript along with HTML, CSS, and Bootstrap which makes me capable of holistic understanding to leverage the best possible solution for your project. I am no stranger to optimization, my core focus is on delivering clean code and efficient solutions. And that extends beyond the appearance and interactivity of a website; it stretches into performance and responsiveness too. Drawing on my expertise, I can examine your current script holistically for potential improvements in execution time and memory consumption while maintaining logic flow and all relevant inputs/outputs. In addition to my skills, I assure you a detail-oriented approach with clear in-code comments explaining every change made. Alongside this, I commit to producing a comprehensive performance report and an updated requirements file. This will ensure full transparency in the process and equipping you with information needed for hand-off. Let's collaborate, optimize your python data processing, and bring speed back to your workflow!
$30 USD på 3 dage
2,3
2,3

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