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I need an expert to optimize a series of Customer-Experience (CX) reports currently built with a mix of technologies (SQL, Python, R, etc.). The current issues include slow performance during data refresh/filter operations and misaligned layouts. I’m looking for thorough enhancements to ensure seamless interactivity and better performance. Here’s what I need: - Analyze the current codebase to identify bottlenecks and formatting issues. - Refactor queries/scripts for faster refresh rates and perfectly aligned visuals. - Enhance the data set by validating sources, improving joins/calculations, and ensuring robust analysis-ready datasets. - Prefer experience with tools like Power BI, Tableau, Advanced Excel for report development. - Documentation of all updates made for easy future maintenance. Goals/Acceptance Criteria: 1. Reports should load in <5 seconds with full functionality. 2. Visuals must align perfectly for export or printing without manual edits. 3. Transparent documentation explaining data transformations and logic flow.
Project ID: 40564942
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31 freelancers are bidding on average ₹7,819 INR for this job

Hello, I am from Banglore.I have 7 years of experience in Python,Data Analysis,Data Integration.I will Audit the current report logic and pinpoint the root causes .I will get this done today
₹8,000 INR in 2 days
6.5
6.5

Hi, Could you share which reporting tool or stack the reports are currently built in? Best regards, Muhammad Jibran Ahmed
₹12,000 INR in 1 day
5.5
5.5

Hello, I can audit and optimize your existing CX reporting system, even if it uses a mixed stack of SQL, Python, R, or other reporting technologies. I will first identify the causes of slow refreshes, inefficient queries, repeated transformations, and layout inconsistencies. I will then refactor the reporting logic, optimize the data pipeline, validate joins and calculations, and restructure the analytical dataset where necessary. The work will include: Performance and code-quality audit Query and transformation optimization Report layout and export-format corrections Data validation and integration improvements Clear documentation of the revised workflow I have extensive experience with R, Python, SQL, data management, statistical reporting, and reproducible analytical pipelines. I recommend beginning with a short diagnostic milestone so the final performance targets and required effort can be confirmed against the existing system.
₹12,500 INR in 7 days
5.2
5.2

Slow refreshes usually trace to unoptimized queries or joins pulling more than needed, and formatting drift often comes from the report layer fighting an inconsistent data shape underneath — both fixable once I see what's actually running under the hood. I've worked across Python and SQL for data pipelines and reporting layers, including cleaning up messy joins and calculation logic for production systems at Marin Software and Poundit. My approach: audit the existing scripts/queries first to find the specific bottlenecks (missing indexes, redundant joins, inefficient transformations), refactor the data layer so it's validated and properly structured for the visuals sitting on top, then fix the report logic so layouts render consistently and refreshes come in fast. I'll document every change with inline comments plus a short README so you're not stuck if something needs tweaking later. What stack is the current build in — straight SQL, Python with pandas, R, or a BI tool like Power BI/Tableau underneath?
₹7,000 INR in 2 days
3.6
3.6

Hi, I can audit and revamp your existing CX report code, data logic, and layouts so the reports load faster, render cleanly, and become easier to maintain. The best solution is to first review the current report files, scripts, SQL/Python/R logic, data sources, filters, refresh flow, and layout issues. Then I’ll identify the bottlenecks, clean or rewrite inefficient queries/scripts, fix formatting problems, improve joins/calculations, and make the data layer more structured and reliable for deeper analysis. I’m comfortable with SQL, Python, R, data processing, report optimization, dashboard/data visualization cleanup, query tuning, data validation, joins, calculated fields, performance debugging, and documenting unknown codebases clearly. Deliverables will include: * Current report logic audit * Formatting issue fixes * Performance bottleneck review * SQL/Python/R script cleanup * Data source validation * Missing joins/calculations support * Faster refresh/filtering * Printable/exportable layout fixes * Clean comments and README * Final testing against acceptance criteria I’ll focus on making the CX reports fast, aligned, reproducible, and future-proof so you can refresh, filter, print, and update them without recurring manual fixes. Best regards Ankit
₹5,000 INR in 1 day
3.2
3.2

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. Tech stack: Python, FastAPI, Django PostgreSQL, SQLAlchemy React, JavaScript, TypeScript Docker, Docker Compose CI/CD (GitHub Actions, GitLab CI) AWS (EC2, S3, Lambda, ECS), DigitalOcean, Heroku NGINX, Caddy If you're looking for a reliable Python backend developer to help with your project, feel free to reach out. Your faithfully. Eng. Alema Akter
₹7,000 INR in 1 day
3.4
3.4

Hi, We not only just write code—I build reliable solutions that solve real business problems. Whether it's automation, APIs, web applications, AI, or backend development, I can deliver exactly what you're looking for. Looking forward to working with you. Thanks, Deva
₹12,000 INR in 2 days
3.4
3.4

With the sky-high standards I uphold as a Full-Stack Developer, my main goal is to lay at your feet an optimized suite of Customer-Experience (CX) reports. My proficiency in optimizing databases such as MySQL, PostgreSQL and MongoDB uniquely positions me to refactor your reports for faster refresh rates and tackle any formatting issues that may be lurking. Furthermore, my experience with Power BI, Tableau and Advanced Excel would mean that the revamped reports will not just function seamlessly, but align perfectly for export or printing without any manual amendments. Additionally, stringent database validation, improved joins/calculations and fortifying robust analysis-ready datasheets or datasets will be incorporated into the project flawlesslely. I'll ensure the codebase is not only optimized for performance and maintainability by eliminating bottlenecks, but also well-documented for future reference. This documentation will make it easier to understand data transformations and logic flow even for non-technical users while keeping all updates understandable.
₹7,000 INR in 7 days
3.8
3.8

With over a decade of web and mobile application development experience, I am well-versed in handling complex systems and their respective data structures. My fluency in SQL, Python, R, and other languages ensures that I can proficiently evaluate your current coding setup to identify formatting issues and performance bottlenecks. Moreover, my expertise in clean code and performance optimization guarantees that your reports will render flawlessly, refresh swiftly and without any lag, allowing you to achieve real-time analysis seamlessly. At MDTechnoSoft LLP, we value future-proof solutions; hence, I have cultivated a deep-rooted understanding of the need for robust datasets that can support deeper analysis. Rest assured, not only will I validate the data sources but also add any missing joins or calculations to provide you with accurate insights. I firmly believe in transparency and maintaining long-term partnerships with my clients. Hence, I assure you of clear documentation of all the changes made as well as offering post-check-in support. With me overseeing the process from planning to delivery to post-launch support backed by my capable team of developers
₹7,000 INR in 7 days
2.9
2.9

I can audit, optimize, and refactor your CX reporting solution to improve performance, fix layout issues, enhance the data model, and deliver fast, reliable, and well-documented reports.
₹7,000 INR in 7 days
2.8
2.8

Hi — two symptoms you describe (layouts never quite right + everything crawls on refresh/filter) usually trace back to the report doing too much work at query time. I fix exactly this kind of inherited reporting code. My plan: first read the existing code (SQL/Python/R — whatever it is) and profile where the time actually goes on a refresh/filter, because the fix is almost always one of: recomputing aggregates that should be pre-aggregated, pulling full tables then filtering in-memory, or missing indexes. I'd push filtering/aggregation down to the database and cache what doesn't change, so a filter feels instant. The layout issues I'd clean up once the data layer is fast, so we're not styling a moving target. Rating 5.0 stars. Can you share the codebase + roughly how many rows a report pulls, and which refresh/filter is the most painful? I'll start there. — Ricardo
₹9,000 INR in 9 days
2.6
2.6

Your main issue appears to be a combination of inefficient data transformations, heavy refresh operations, and inconsistent report layout behavior across export/rendering flows. I can help restructure the reporting pipeline to improve both performance and maintainability. My approach would start with a technical assessment of the current SQL/Python/R logic to identify bottlenecks in joins, aggregations, filters, and refresh dependencies. From there, I would refactor the data flow to reduce processing overhead, improve dataset consistency, and optimize refresh times toward the <5 second target wherever the source infrastructure allows. For the reporting layer, I would review visual alignment rules, export behavior, sizing consistency, and rendering constraints to eliminate manual adjustments during printing/export. I also pay close attention to calculation accuracy and dataset validation to ensure the reports remain analysis-ready after optimization. The delivery would include: - Refactored queries/scripts focused on performance and clarity - Improvements in dataset structure and transformation logic - Layout corrections for stable rendering/export - Technical documentation covering transformations, dependencies, and maintenance guidelines I can work directly with SQL, Python-based processing pipelines, and BI/reporting environments such as Power BI or Tableau depending on your current stack.
₹12,500 INR in 7 days
2.3
2.3

Having worked in a variety of industries including enterprise, finance, healthcare and insurance, I not only have a diverse set of skills but also a comprehensive understanding of the needs and challenges of different businesses. My ability to leverage Python, SQL, R and my knowledge of cloud data engineering will allow me to quickly understand and refactor your existing codebase. My proficiency in data processing and analysis will ensure that I not only identify the underlying issues causing formatting problems and performance hitches but also provide you with clear documentation on every step taken to rectify them. I will validate sources, add any missing joins/calculations, and create a sturdy dataset for deeper analysis using the best practices in the industry. My commitment to delivering tangible ROI through scalable solutions aligns perfectly with your project goals. Your vision of speedy reports with clear visuals aligning seamlessly, reproducible data transformations and transparent documentation is what I am poised to deliver. The application of my vast experience in AI/ML Development, Cloud Data Engineering and Real-Time Analytics would greatly benefit your project. Together, we can ensure that your CX reports are future-proofed and offer continuous value to your business.
₹9,000 INR in 10 days
2.7
2.7

With a vibrant amalgamation of 8+ years in mobile app development and thorough backend service experience, I have solidified my passion for optimization. I am adept at identifying bottlenecks and streamlining processes to ensure your CX reports load effortlessly within a seconds notice. Additionally, my extensive experience in database development and optimization will enable me to significantly improve the performance during data operations, while providing you with transparent documentation to empower future maintenance. While your project requires expertise in SQL, Python, R and an understanding of Power BI, Tableau or Advanced Excel; I offer a profound proficiency in these very skills. I have a commendable track record in crafting interactive and visually-aligned reports using similar tools. Hence, not only can I optimize your existing codes but also enhance the datasets through data-validation and proficient joins which leads us to concise and robust analysis-ready datasets. Moreover, my passion for staying abreast of cutting-edge technologies such as Figma, React, Node.js, Flutter et al would be an asset for your project as I believe data visualization plays an equally integral role in data processing. My pitch cannot be complete without emphasizing my dedication towards delivering high-quality work on time. So give me a chance to bring both speed and precision to your project and ignite noticeable transformations for your Customer-Experience reports.
₹7,000 INR in 7 days
1.7
1.7

As an expert in website and mobile app development with a focus on utilizing Python, I am well-prepared to size up your current codebase and optimize it for better performance. Having worked on similar projects in the past, I understand the importance of speed, accuracy, and a streamlined user interface. My problem-solving abilities allow me to identify bottlenecks faster and implement effective solutions, eventually reducing your report loading time to under 5 seconds while making sure all functionalities are retained. In addition to my technical expertise with Python and its integration with SQL, R, etc., I have advanced Excel skills that align with your reporting needs. I can also utilize Power BI and Tableau efficiently to create eye-catching yet comprehensive visuals that can be easily exported or printed maintaining their layout perfection. Transparency in documentation is crucial in any development process, which is why I strive to ensure thorough maintenance documentation that can be easily followed by anyone in your team post my engagement. With me on board, not only will you get immediate results by fixing your existing reports but also a future-ready product that would require minimal manual edits after the revamp. Thank you for considering my bid, I look forward to discussing the project further with you.
₹17,000 INR in 7 days
2.0
2.0

As an accomplished Full-Stack Developer with a specialization in Python, I bring the perfect skillset to rejuvenate your CX reports. My intricate understanding of SQL, Python and R allow for accurate identification of bottlenecks in the existing codebase and rapid refurbishing of queries for enhanced refresh rates and optimal visuals. My prowess extends to using numerous tools including Power BI and Tableau, prerequisites you've mentioned. Additionally, I have expertise in Advanced Excel which can come in handy as we work on perfectly aligned exports and prints without any manual tweaks. Furthermore, as a proponent of thorough documentation, I’ll ensure every update made is documented transparently, providing clarity on data transformations and logic flows. This will ensure easy future maintenance and eradicates any knowledge silos within your teams. Let's collaborate to imbue your CX reports with top-notch interactivity, swift performance, and meticulous layouts in adherence to your goals.
₹10,000 INR in 7 days
1.2
1.2

- I have hands-on experience optimizing analytics pipelines, SQL queries, Python scripts, and Power BI dashboards to improve report performance and usability. - My expertise includes SQL optimization, Python (Pandas), Power BI, Power Query, DAX, data modeling, ETL workflows, and dashboard performance tuning. - I can analyze your existing SQL, Python, and R workflows to identify bottlenecks, optimize queries and transformations, improve joins, and create analysis-ready datasets for faster reporting. - I have experience building high-performance dashboards with optimized data models, efficient calculations, responsive visuals, and clean layouts for executive reporting. - In a recent project, I developed a PHP API, integrated database data into Power BI, and created automated real-time dashboards for business performance monitoring. - My approach includes validating data sources, eliminating redundant calculations, optimizing refresh performance, improving visual alignment, and documenting every transformation for long-term maintainability. - Deliverables will include optimized code, enhanced datasets, faster-loading reports, documented logic, and recommendations for future scalability and maintenance. - I can start immediately and provide incremental updates as each optimization phase is completed. Reference work is available in my profile.
₹12,500 INR in 4 days
1.1
1.1

With over a decade of experience in roles and projects involving data analysis and troubleshooting, I believe I am the perfect fit for your revamp of the CX report. Drawing from my skills and certifications in Coding, Programming & Development, Data Analysis as well as Database administration among other areas, I possess a deep understanding of database orchestration across various widely-used languages including SQL, Python, R and more— a working knowledge which will prove invaluable in swiftly maneuvering the present codebase. My responsibility will not end at simply enhancing the aesthetics of your CX reports or optimizing their speed; I understand that cooking begins with getting the right ingredients. In line with this realization, I will skillfully validate sources, add absent joins or calculations, and generally fortify your dataset for better analysis. In addition, I am a detail-oriented professional who values cleanliness and tidiness in his work just as much as you do; every transformation made will be transparently documented for easy future-reproducibility. Pitch part #3: Given my highly technical background that encompasses skills like debugging and troubleshooting, reverse engineering to ensuring system security on Linux systems, cloud computing among others, I have excelled at jumping into unfamiliar frameworks/stacks with minimal lead time.
₹7,000 INR in 1 day
0.0
0.0

I've diagnosed and fixed similar report performance bottlenecks across multiple stacks. I'll start by profiling your existing queries and render logic to identify the slow joins, unindexed lookups, or redundant data pulls causing the crawl. Then I'll refactor the data layer with proper aggregation, caching where appropriate, and clean SQL to pull only what's needed. For the layout issues, I'll audit your visualization code (whether it's matplotlib, ggplot, or a dashboard framework) and fix alignment, font scaling, and export problems. Everything gets documented with a clear README so future changes are straightforward. You'll have sub-5-second loads and printable reports that actually look polished.
₹1,515 INR in 4 days
0.0
0.0

Hi, I can take this on. Since the stack isn't confirmed yet, my first step would be a quick audit of what's actually there, sometimes formatting issues come from the report layer itself, other times they trace back to messy joins or unindexed queries feeding it, and the fix looks different depending on which it is. For the performance side, slow refreshes on CX reports are usually one of a few things: queries pulling more columns or rows than the visual actually needs, missing indexes on the fields being filtered, or calculations being redone on every refresh instead of cached. I'll check for all three before touching anything else. On the data layer, I'll validate the sources and joins first so I'm not building fixes on top of a foundation that's already inconsistent, then handle the "data up" work you mentioned so the dataset holds up for deeper analysis later, not just for the current reports. Once it's running clean, I'll document what I changed and why, plain language, so if something needs adjusting later you're not stuck waiting on me to remember what I did. Happy to start with that initial audit right away and flag anything unusual I find before going further.
₹5,000 INR in 5 days
0.0
0.0

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