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I have a series of Customer-Experience (CX) reports that were built by someone else and I’m running into two persistent headaches: the layouts never look quite right and the whole thing slows to a crawl whenever I refresh or filter the data. I’d like you to dive into the existing codebase—whatever language or mix of SQL, Python, R, or something else it was written in—and clean it up so the reports render cleanly, run quickly, and draw from a richer, better-structured data set. Here’s what I need from you: • Audit the current report logic and pinpoint the root causes of the formatting problems and performance issues. • Refactor or rewrite the underlying scripts/queries so visuals line up perfectly and refreshes complete in a reasonable time. • Improve the data layer (“data up”) by validating sources, adding any missing joins or calculations, and making the dataset sturdy enough for deeper analysis. • Document your changes clearly so I’m not back in the dark the next time something needs tweaking. Acceptance criteria • All CX reports load in under 5 seconds with full interactivity. • Visual elements stay aligned and printable/exportable without manual fixes. • Data transformations are transparent and reproducible, with comments or a short README explaining the flow. If you’re comfortable jumping into an unknown stack, diagnosing the bottlenecks, and handing back streamlined, future-proofed reports, I’m ready to get started right away.
Project ID: 40564876
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99 freelancers are bidding on average $461 USD for this job

As an experienced data analyst and database developer, I have the skills and knowledge that make me ideally suited to complete your CX report revamp project. I noted your project's need for someone comfortable diving into unknown stacks and identifying bottlenecks, something I've successfully done in numerous similar scenarios. I'm proficient in SQL, Python and R, which I believe is a strong fit for your project. Over the years, I've mastered the art of efficient data management, processing, and visualization. Your issues of slow load times and alignment problems are common challenges that I've had immense success in alleviating. My expertise with Excel’s advanced formulas, pivot tables, macros, VBA, Power Query as well as Power Pivot is fundamental to delivering top-notch data-driven solutions — ones that consistently outperform expectations. Explore my impressive profile here: https://www.freelancer.pk/u/utrathore3 . Note: "Delivering success is our commitment. To achieve this, we carefully assess your project's scope, and then provide customized costs and timelines that meet your unique needs." Thanks and Best Regards, Usman Tariq Rathore Work-Nix Solutions
$250 USD in 1 day
8.0
8.0

I read your requirement carefully. The priority isn't just fixing report layouts, it's identifying the bottlenecks across the entire reporting pipeline so the reports become fast, reliable, and easy to maintain. We've worked with SQL, Python, BI reporting, ETL pipelines, and data optimization, helping clients improve query performance, reporting accuracy, and data quality across existing systems. My approach: • Audit the current reports, scripts, and data model to identify formatting and performance issues. • Refactor SQL queries and underlying code to reduce refresh times and improve report rendering. • Validate the data layer, optimize joins, calculations, and transformations, and strengthen the dataset for future analysis. • Deliver well-documented code with a clear explanation of the reporting flow and optimization changes. My goal is to deliver reports that load quickly, remain visually consistent, and are simple to extend as your reporting needs grow. One question: Which reporting platform are these CX reports built on (Power BI, Tableau, SSRS, Looker, custom Python/R reports, or another tool)? I'd be happy to review the existing solution and help turn it into a fast, maintainable reporting system. Regards, Rajesh Rolen Microlent Systems
$750 USD in 30 days
7.9
7.9

⭐⭐⭐⭐⭐ Improve Your CX Reports for Speed and Clarity ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and I see you are looking for help with your Customer-Experience reports. You don't need to look any further; Zohaib is here to assist you! My team has completed 50+ similar projects focused on report optimization and data cleaning. I will dive into your existing codebase, identify issues, and ensure your reports run smoothly and present data clearly. ➡️ Why Me? I can easily improve your CX reports as I have 5 years of experience in SQL, Python, and data analysis. My expertise includes report auditing, data structuring, and performance optimization. Additionally, I have a strong grip on data visualization and documentation, ensuring your reports are both efficient and user-friendly. ➡️ Let's have a quick chat to discuss your project in detail. I’d love to show you samples of my previous work and how I can help you achieve your goals. Looking forward to discussing this with you! ➡️ Skills & Experience: ✅ SQL Query Optimization ✅ Python Scripting ✅ Data Analysis ✅ Report Auditing ✅ Performance Tuning ✅ Data Cleaning ✅ Documentation ✅ Data Visualization ✅ Troubleshooting ✅ Data Transformation ✅ Data Structuring ✅ Report Design Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
7.9
7.9

Hi, I have 9+ years of full-stack/backend development experience and can help audit and optimize your existing CX reports, even if the current stack is mixed between SQL, Python, R, or other reporting tools. My first step would be to review the current report logic, data sources, queries, transformations, and rendering layer to find why layouts are breaking and why refresh/filtering is slow. Then I can refactor the queries/scripts, clean up the data model, improve joins/calculations, and optimize the report output for faster loading and cleaner export/printing. I’m comfortable working with inherited codebases, performance debugging, SQL optimization, data validation, reporting workflows, and documentation. Thank you.
$250 USD in 5 days
7.2
7.2

As a seasoned professional in python web automation and data mining, I'm well-versed in sorting through complex codebases to achieve optimal results. I bring over a decade of experience to the table, which includes spearheading projects involving the full-stack development, artificial intelligence, data extraction, and more - all invaluable skills for your project. One major advantage I have is my ability to not only recognize and troubleshoot formatting issues but also possess the knowledge to refactor or rewrite the necessary scripts efficiently. My primary aim is always to enhance not just the visuals and overall performance but also ensure a smoother flow with better-structured data. Furthermore, my talent for comprehensive documentation will provide you with the clarity and guidance you need long after I've provided my services. Not only will your reports load faster, be effortlessly printable/exportable while maintaining alignment, they will be transparent and reproducible so you can understand their intricacies without any hassles. With me on board, your CX report code and data revamp will be taken care of by an expert who values efficiency, effectiveness, and readability above all else.
$250 USD in 1 day
7.2
7.2

Hi there, I understand you need an experienced developer to audit and optimize your existing Customer Experience (CX) reporting solution by resolving layout inconsistencies, improving refresh performance, and strengthening the underlying data model. I can quickly assess the current implementation, identify the root causes of the issues, and deliver a clean, maintainable reporting solution that is both faster and easier to extend. My approach would be to review the existing report architecture, scripts, SQL queries, and data transformations, identify performance bottlenecks and formatting issues, optimize the data model and query logic, refactor inefficient code where necessary, validate joins and calculations, and ensure the reports remain responsive, visually consistent, and easy to maintain. Every improvement will be documented to make future enhancements straightforward. The deliverables will include optimized report logic, refactored scripts and queries, an improved and validated data layer, enhanced report layouts, performance tuning to significantly reduce refresh times, and comprehensive documentation outlining the architecture, transformations, and maintenance process. Could you please confirm which reporting platform these CX reports are built on (Power BI, Tableau, R Shiny, Python, or another platform), and approximately how large the underlying dataset is? I'm ready to start immediately. Warm Regards, Aneesa.
$250 USD in 2 days
7.0
7.0

Interesting project, I will audit your CX report codebase, isolate what is causing the slow refreshes and broken layouts, then refactor the queries and scripts so every report loads under 5 seconds with visuals that stay aligned across screens and exports. The biggest culprit in inherited report code is usually unoptimized joins or missing indexes in the data layer, not the front-end formatting. I will tackle that data layer first, validate sources, restructure the joins, and add the missing calculations, so the performance fix and the "data up" improvement happen together. I will also leave a clear README documenting the full flow. Questions: 1) What reporting tool renders the front end (Power BI, Tableau, Looker, something custom)? 2) Roughly how many reports and data sources are involved? Ready to start whenever you are. Kamran
$281 USD in 10 days
6.6
6.6

As someone with over a decade of experience in data analysis, data processing, and database development, I'm confident I can deliver the results you need in reshaping your CX reports. My AI and machine learning background has honed my ability to dive deep into any stack, evaluating and solving complex issues - exactly what you're looking for. I am also adept at working with multiple languages including SQL, Python, R, and this coupled with my comprehensive understanding of various databases could prove instrumental in your project. Meet your acceptance criteria? Not a problem. By auditing the current report logic I'll pinpoint formatting problems and performance bottlenecks to guide my strategic refactor of existing scripts/queries. Documenting every change made will provide transparency for future seamless tweaking. In addition to my technical skills, effective communication has been a key component throughout my career. I'll ensure we remain on the same page regarding your expectations from this project by keeping you informed at every stage. So let's move forward! Together we'll not only streamline your current report but also deliver a future-proofed system that aligns visuals perfectly, ensures speedy refreshes (within a 5-second threshold), and facilitates in-depth analysis of your rich dataset. Let's talk ideas now!
$500 USD in 7 days
6.9
6.9

Hi, Jumping into an existing reporting system and improving both performance and data quality is exactly the kind of challenge I enjoy. I can audit the current SQL, Python, R, or reporting logic, identify the real bottlenecks, optimize queries and transformations, fix layout issues, and restructure the data layer so reports load faster and stay reliable. Every change will be documented, making future updates much easier. One question: which reporting platform are these CX reports built on—Power BI, Tableau, Looker, SSRS, or a custom application? That will help me target the biggest performance gains first. Give me this task, and I'll make your reports load so fast they'll be waiting for you instead. Looking forward to building it together. Dev S.
$600 USD in 7 days
6.8
6.8

Hi, I can definitely help optimize your existing CX reporting solution. I have extensive experience working with SQL, Python, Power BI, Excel, data transformation, and performance optimization, and I'm comfortable stepping into an unfamiliar codebase to identify bottlenecks and improve both reliability and speed. I'll begin by auditing the current reports, scripts, and data flow to identify the root causes of the formatting and performance issues. From there, I'll optimize the queries and code, improve the underlying data model with the necessary joins and calculations, and ensure the reports render consistently while refreshing much faster. Every change will be clearly documented so the solution is easy to understand and maintain going forward. My focus is to deliver clean, accurate, and future-proof reports that meet your performance goals while keeping the reporting process transparent and easy to extend. Best Regards, Ayaz Akhtar
$500 USD in 7 days
6.5
6.5

Hello! I am ready to help your project . I am a seasoned Software Engineer with over 9 years of diverse experience in developing and delivering a wide range of applications. My expertise spans both Front-End and Back-End development, enabling me to create scalable, optimized, and secure software solutions tailored to meet your specific needs. I would welcome the opportunity to discuss your project in detail. Please feel free to reach out for a complimentary consultation to explore how we can collaborate and elevate your project to new heights. Thank you for considering my proposal. I look forward to the possibility of working together. Best regards, Esau
$500 USD in 7 days
6.0
6.0

Hi, I am a software developer with 8 years of rich experience in software development, with a background in data reporting and performance optimization. I am familiar with Python, SQL, R, Data Processing, Data Visualization, Data Analysis, Data Integration, Data Management, Database Development, and Performance Tuning. For this project, I can audit the existing CX report code, identify layout and refresh bottlenecks, refactor the scripts or queries, improve the data layer, and document the workflow so the reports load faster and remain easier to maintain. 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.
$500 USD in 7 days
5.7
5.7

Hi, the classic combo of misaligned visuals plus slow refreshes usually means the queries are pulling more than the report actually needs, or there's no indexing/caching between the data layer and the render step. Before touching layout I'd trace where the 5-second target is actually being blown, then fix the joins and add whatever aggregation layer is missing so the visuals stop fighting the data underneath. I run a small dev team and we've dealt with plenty of "someone else built this" codebases where nobody documented the logic. I'd audit first, show you the bottleneck in writing, then refactor with comments so you're not stuck again next time something breaks. Can you tell me what the current stack actually is, SQL/Python/R or a mix? That changes my approach a bit.
$500 USD in 7 days
6.1
6.1

With a proven 20+ year track record in PHP-based development, I have found that my skills are incredibly transferrable to projects outside of the languages I primarily use. I am confident in my ability to diagnose and fix the performance issues and layout problems you're experiencing with your CX reports. I excel at tasks like refactoring, performance optimization, and debugging, which are essential to this project. I will not simply deliver quick fixes, but instead, I will provide future-proof solutions that are stable and scalable even as your business continues to grow. Beyond this project's immediate need for a clean and better-structured data set, my experience with third-party API integration and backend development will help ensure your system remains stable. Many clients find that after working with me on their initial problem they continue to choose me for ongoing or monthly work, relying on me so they don't need to keep searching for developers. Whether it is providing long-term support or implementing short term projects with an eye on the big picture, I am always committed to delivering reliable results that align with your requirements. Let's connect and discuss how I can leverage my extensive skill set and commitment to quality in helping solve both your current report issues and any potential future ones as well.
$350 USD in 12 days
5.5
5.5

Hello!, I am a US-based senior software engineer(frontend, backend, ecommerce, etc) and I read your CX report project carefully. I understand you need help revamping existing customer-experience report code and data so it’s cleaner, reliable, and easier to maintain. I’ve spent about 15 years working with Python, SQL, R, data processing, database development, visualization, and performance tuning. I’m comfortable stepping into someone else’s codebase, finding the weak spots, fixing data issues, and rebuilding things in a way that holds up. My approach would be: 1. Review the current report logic, data sources, and output structure 2. Identify data quality, logic, and performance bottlenecks 3. Refactor or rebuild the pipeline in a clean, documented way 4. Validate outputs against current reports so nothing breaks 5. Optimize queries and processing for speed and maintainability I’m the kind of person who pays attention to the details other freelancers usually skip, which matters a lot for report work like this. Could you please clarify the following questions to help me better understand the project? 1. What format are the current CX reports in, and what output do you want after the revamp? 2. Which data sources and databases are involved, and are there any known problem areas right now? 3. Do you want this as a one-time cleanup, or should it be set up for ongoing updates? If helpful, I can also share a few relevant examples of similar data/reporting work I’ve done. Looking forward to chatting. James Zappi
$650 USD in 2 days
5.7
5.7

I appreciate your clear outline of the challenges with the CX reports. Addressing layout inconsistencies and performance issues is crucial for enhancing the user experience and ensuring that data is readily actionable. To achieve this, I’ll dive into the existing codebase to identify the root causes of the formatting and performance issues. My approach will involve conducting a thorough audit of the current report logic, allowing me to refactor or rewrite the necessary scripts and queries. This will ensure that visuals remain aligned and the reports are efficient, loading in under 5 seconds. Additionally, I'll enhance the data layer by validating sources and making the dataset robust for deeper analysis. Documentation is key, and I’ll provide clear comments and a concise README to describe any changes made. This will help maintain transparency and ease of updates in the future. I’m eager to collaborate and transform your CX reports into a streamlined and effective tool for analysis. What specific changes do you hope to see in the report’s performance and layout?
$250 USD in 11 days
5.2
5.2

Hi , I can audit and optimize your CX reports, resolve the formatting issues, improve performance, and strengthen the data layer with clear documentation. Could you let me know which reporting platform you're using (Power BI, Tableau, Looker, SSRS, or something custom) and approximately how many reports need optimization? That will help me estimate the effort accurately. Best regards, Muhammad Jibran Ahmed
$400 USD in 2 days
5.5
5.5

★•══•★ Hi client ★•══•★ I have experience optimizing data-driven reporting systems, including SQL queries, Python/R pipelines, dashboards, and complex analytics workflows focused on performance, accuracy, and maintainability. My approach will be: ✔️ First, I will audit the existing report codebase, data flow, queries, and transformations to identify the root causes behind layout issues and slow refresh times. ✔️ Then, I will refactor the logic, optimize data processing, improve joins/calculations, and restructure the dataset to deliver faster and more reliable reporting. ✔️ Finally, I will validate all CX reports, improve visual consistency/export quality, and provide clear documentation explaining the updated workflow. My focus is building a clean, reproducible reporting system that remains easy to maintain and extend. Best regards. Rico
$300 USD in 4 days
5.0
5.0

I am comfortable with unknown stacks, actually I am a master of different tools. If it is SQL, python, R, or a mix of them believe I can handle them. Most of the time lags are due to poor design choice or lazy coding so it can be fixed. Alignment is a UI issue so can be fixed. To explain the flow a mix of diagrams with a README can work well so you have a better visual clue of what is going on. We can start by having a look into the UI and seeing the code base.
$300 USD in 7 days
5.2
5.2

Hi there, Thank you for sharing the details of your CX report project. We’re DemiVision LLC, a team of seasoned data professionals with deep expertise in Python, SQL, R, data integration, and performance optimization. We understand how frustrating it can be to work with reports that are both visually inconsistent and slow to respond—especially when reliable insights are critical for decision-making. We’ve helped numerous clients clean up inherited analytics solutions, and your requirements resonate strongly with our core strengths. Our approach would start with a comprehensive audit of your current codebase and data flows to identify the root causes of both layout misalignments and sluggish performance. We’ll then methodically refactor or rewrite scripts and queries so that your reports are not only visually precise and printable/exportable without manual intervention, but also refresh within the 5-second window you require. Our team will also strengthen your data layer—validating sources, optimizing joins, and ensuring the dataset supports richer, more robust analysis. Throughout the process, we’ll document our changes clearly, including inline comments and a concise README, so you’re empowered to maintain or extend the solution confidently in the future. If you’re looking for a partner who can quickly get up to speed with an unfamiliar stack, untangle existing issues, and deliver streamlined, future-proofed CX reports, DemiVision LLC is ready to help. We’d be glad to discuss access details and next steps at your convenience. Looking forward to working together, DemiVision LLC
$500 USD in 10 days
4.6
4.6

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