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I need a seasoned Power BI developer to turn a very large, highly-granular data set into a single, dynamic dashboard focused on monitoring key operational-efficiency KPIs. Here’s the landscape you will step into: our raw information sits in both SQL databases and a series of regularly exported Excel/CSV files. I want a model that connects to each source, transforms the data so that it’s truly analysis-ready, and then visualises the metrics that matter—cycle times, throughput, bottleneck alerts, utilisation rates and any supporting drill-downs we decide to add. Scope of work • Build or optimise the data model, including merge logic between SQL and CSV tables, DAX measures, and relationships that guarantee a fast, responsive user experience even when the data volumes climb. • Design an intuitive, visually clean dashboard with slice-and-dice interactivity: date ranges, business unit filters, and real-time status indicators. • Configure automated refresh schedules and document any gateway or credential steps so maintenance is painless for my internal team. • Package the final .pbix file and a short walkthrough video or PDF so that anyone on our side can extend or tweak visuals confidently. Acceptance criteria The dashboard must load in under five seconds on a standard laptop, each KPI card should update correctly when a filter is applied, and refresh jobs must complete without manual intervention. If you are comfortable wrangling mixed sources, writing efficient DAX and delivering a polished analytic experience, let’s discuss timelines and any clarifications you need.
Project ID: 40365765
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107 freelancers are bidding on average $22 CAD/hour for this job

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in .NET, SQL, Microsoft Access, MySQL, Data Visualization, Data Analysis, Power BI, Data Modeling and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$30 CAD in 5 days
7.9
7.9

Hi, I’ve built Power BI dashboards on large, mixed datasets (SQL + CSV/Excel) with a strong focus on performance and clarity. I can design a clean data model, optimise relationships and DAX, and ensure fast load times even with high volume. I’ll create an intuitive dashboard with drill-downs, filters, and real-time KPI visibility, plus set up automated refresh with proper gateway configuration. You’ll also get a well-documented .pbix and a short walkthrough so your team can maintain and extend it. Thanks.
$20 CAD in 40 days
7.3
7.3

Hi there, I’ve reviewed your requirements and understand that you need an expert to transform a high-granularity dataset from SQL and flat files into a high-performance Power BI dashboard. I am confident I can architect a resilient data model that maintains a sub-five-second load time while delivering the deep operational-efficiency insights your team needs. My process begins with an audit of your SQL and CSV schemas to build a robust Star Schema that optimizes relationship paths and query performance. Next, I will implement custom Power Query transformations and efficient DAX measures for your cycle times and throughput KPIs, ensuring they remain responsive even as data volumes grow. Finally, I will design the interactive interface with automated refresh schedules and comprehensive documentation, ensuring a seamless hand-off for your internal team. Beyond the visuals, I prioritize "performance-first" modeling to ensure that every slicer and drill-down provides instant feedback without manual intervention. To ensure the refresh logic is optimized, could you please confirm if you are currently using an On-premises data gateway or if your SQL environment is cloud-based? Let’s get started on building this Power BI dashboard for you. Warm regards, Aneesa.
$15 CAD in 40 days
6.2
6.2

Hello, I’ve gone through your project details and this is something I can definitely help you with. With over 10 years of experience in data visualization and analytics, I specialize in Power BI and have successfully transformed complex datasets into dynamic, user-friendly dashboards. I focus on clean data models, efficient DAX measures, and creating interactive visual experiences to ensure your key operational-efficiency KPIs are easily monitored. Your project involves connecting SQL databases and Excel/CSV files, a task I am well-equipped for. I will build a responsive data model with merged logic that guarantees fast performance, ensuring the dashboard loads in under five seconds. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’d love to clarify: 1. Are there specific KPIs you want to prioritize in the dashboard? Let’s discuss further to ensure we meet your expectations! Regards, Arpit Jaiswal
$27 CAD in 1 day
5.7
5.7

Hi, I have strong experience in Power BI, SQL, DAX, and data modeling, including building high-performance dashboards from mixed data sources like databases and CSV/Excel pipelines. For this project, I’d design an optimized data model that cleanly merges your SQL and flat-file data, build efficient DAX measures for KPIs, and create a responsive dashboard with fast load times and smooth filtering even with large datasets. I’ve worked on similar analytics setups where performance, accurate KPI tracking, and automated refresh pipelines were critical, ensuring dashboards stay reliable and easy to maintain for internal teams. You can expect clear communication, fast turnaround, and a high-quality result that fits seamlessly into your existing workflow. Best regards, Juan
$20 CAD in 40 days
5.8
5.8

Hello, I have over 7 years of experience in Data Visualization and Data Modeling. I have carefully reviewed your project requirements for creating a dynamic Power BI KPI dashboard. To accomplish this project, I will start by building a robust data model that connects to your SQL databases and Excel/CSV files, ensuring efficient data transformation and analysis-ready metrics. I will design an interactive dashboard with customizable filters and real-time status indicators for key operational KPIs. Additionally, I will set up automated refresh schedules and provide detailed documentation for easy maintenance. I believe my expertise in Power BI development and data visualization will enable me to deliver a high-quality solution that meets your objectives. I would appreciate the opportunity to discuss the project further in chat to address any questions or clarifications you may have. You can visit my Profile here: https://www.freelancer.com/u/HiraMahmood4072 Thank you.
$18 CAD in 40 days
5.3
5.3

Your dashboard will fail under load if the data model isn't optimized from day one. Most Power BI projects I inherit have star schemas that weren't designed for real-time filtering across millions of rows, causing 30-second refresh times that kill user adoption. Before I architect the solution, I need clarity on two things. First, what's the current row count in your largest SQL table, and are you running incremental refresh or full daily loads? Second, when you mention "bottleneck alerts," do you need threshold-based conditional formatting or actual Power Automate notifications when KPIs breach targets? Here's the architectural approach: - DATA MODELING: Build a star schema with fact tables for transactional data and dimension tables for business units, eliminating many-to-many relationships that slow down DAX calculations by 70%. - DAX OPTIMIZATION: Write measure groups using variables and CALCULATE instead of nested IF statements to keep your 5-second load target even at 10M+ rows. - SQL + CSV INTEGRATION: Set up parameterized queries in Power Query to pull only delta records from SQL and merge CSV files using folder connectors with automatic schema detection. - GATEWAY CONFIGURATION: Deploy on-premises data gateway with service principal authentication so refresh jobs run unattended at 6 AM daily without credential expiration failures. - DRILL-THROUGH PAGES: Create hidden detail pages that let users click any KPI card and see granular transaction logs without cluttering the main view. I've built 8 operational dashboards for manufacturing and logistics clients where refresh times dropped from 12 minutes to under 90 seconds after restructuring their models. I don't take on projects where the data sources aren't documented upfront. Let's schedule a 20-minute call to walk through your SQL schema and confirm which CSV columns actually drive your KPIs before I commit to a timeline.
$18 CAD in 30 days
5.8
5.8

With my 13+ years of experience as a full-stack developer, my expertise goes beyond just .NET and Data Analysis – I am a seasoned professional that is agile and adaptable. Your project speaks to the core of what I can do. From working with mixed data sources to crafting efficient DAX measures, these tasks are well within my skill set. Moreover, the focus on an "analytical experience" is something I have always considered in building systems. The ability to connect, transform, and visualize data comes with a responsible handling that I believe sets me apart. In addition to delivering the product, maintenance ease is crucial and I assure you my documentation skills are top-notch. I respect agreements and work dedicatedly towards any project's success – a trait honed from working independently for over a decade where my reputation on each job counts heavily toward the next. Let's connect to discuss your timelines and any clarifications needed while we build your dynamic, performant Power BI KPI Dashboard together.
$20 CAD in 40 days
5.2
5.2

Hi, I understand you need a high-performance Power BI dashboard built from mixed SQL and CSV/Excel sources to track operational efficiency KPIs with accuracy and speed. I’ll design a clean, scalable data model by merging sources, optimizing relationships, and creating efficient DAX measures so the dashboard remains fast even with large data volumes. I will connect and transform all data into an analysis-ready model, build an intuitive interactive dashboard with filters and drill-downs, and ensure KPI accuracy under all conditions. You’ll receive a fully optimized .pbix file, automated refresh setup with clear documentation, and a concise walkthrough (video or PDF) so your team can easily maintain and extend it. Ready to start right away. Usman Bashir
$20 CAD in 40 days
5.2
5.2

Hello, Seasoned Power BI consultant here, experienced in blending SQL and CSV sources into fast, reliable KPI cockpits. I’ll design an analysis-ready model (merges, relationships, DAX) and a clean dashboard for cycle times, throughput, utilisation and bottleneck alerts with intuitive filters and drill-downs. I’ll also configure scheduled refresh, document gateway/credential steps, and hand over the .pbix plus a short walkthrough so your team can safely extend it. For this scope I estimate 5–7 days, with a budget range of 800–1,000 USD depending on data volume and complexity. Which 5–7 KPIs are absolutely critical for your first version so we can optimise both performance and user adoption from day one? If this approach fits your expectations, I’d be glad to clarify details, refine scope and start immediately. Regards Sahanaj
$40 CAD in 40 days
5.0
5.0

LET’S TURN YOUR COMPLEX DATA INTO A FAST, INSIGHT-DRIVEN POWER BI DASHBOARD. With 12+ years in data systems and analytics, I’ve built high-performance Power BI dashboards combining SQL + Excel/CSV sources with optimized models and advanced DAX. Approach: Connect → clean → model → optimize → visualize → automate Core Workflow: Ingest SQL + CSV → data transformation (Power Query) → build relationships → create DAX KPIs → design dashboard → enable filters → schedule refresh Key Features: Unified data model (SQL + Excel/CSV merge logic) Optimized DAX measures (cycle time, throughput, utilization, bottlenecks) Fast performance (<5s load) using indexing, aggregation & model tuning Interactive filters (date, business unit, status) Drill-down views for deeper insights Automated refresh with gateway setup Dashboard Design: Clean, executive-level UI with KPI cards, trend charts, and real-time indicators. User Roles: Business Users (view/analyze), Admin (manage data & refresh) Experience: Built large-scale BI dashboards handling high-volume datasets with strong focus on speed, accuracy, and usability. Deliverables: Fully functional .pbix file Optimized data model + DAX Auto-refresh setup guide Walkthrough video/PDF Timeline: 5–7 days I focus on performance, clarity, and actionable insights so your team can make faster decisions. Ready to start.
$15 CAD in 40 days
5.1
5.1

Hi there, I understand you need a seasoned Power BI developer to build a high-performance operational efficiency dashboard that consolidates large-scale SQL databases and Excel/CSV sources into a single, fast, and highly interactive reporting model. With strong experience in Power BI architecture, data modeling, and DAX optimization, I can deliver a solution that is both scalable and executive-ready. My approach will begin with designing a robust data model that efficiently integrates SQL and file-based sources using optimized relationships and transformation logic (Power Query + SQL staging where needed). Next, I will develop high-performance DAX measures for KPIs such as cycle time, throughput, utilisation, and bottleneck detection, ensuring responsiveness even with high data volumes. Finally, I will design a clean, intuitive dashboard with drill-downs, slicers, and real-time indicators, plus configure automated refresh via gateway with full documentation. Deliverable: A fully optimized .pbix file, responsive KPI dashboard (<5 sec load target), scheduled refresh setup, and a walkthrough guide/video for internal handover. QUESTION: Could you confirm your expected data refresh frequency (real-time, hourly, or daily) and approximate data volume per source? I have built similar enterprise-grade Power BI solutions integrating mixed data sources with a strong focus on speed, scalability, and usability. Let’s get started now! Regards, Shehwani.
$15 CAD in 40 days
4.8
4.8

Hi, Looks like this dashboard is for a manufacturing operation - or some resource scheduling. I have 15+ years of experience in all things data - PowerBI, Tableau, Reports, Dashboards, Data Analytics, Data Warehousing etc., I can build the required PowerBI dashboard for you, with all the acceptance criteria satisfied: • Will build an optimized data model, combining data from SQL DB and CSV files; create relevant DAX measures, relationships, Dimension and Fact tables so that user experience is smooth & efficient even when the data volumes increases. • Will design an visually intuitive, attractive and interactive dashboard with filtering, slice & dice, and drill-down capabilities. Will include all the relevant KPIs such as Cycle Times, Throughput, Bottleneck Alerts, Utilization Rates etc., and also business functionality filtering that use Date Ranges, Business Units, and Real-Time Status Indicators. • Refresh schedules will be automated and will run without intervention • All critical documentation for Gateway configuration and/or Credential setup etc., will be provided so that the internal team can easily manage the dashboard • The final .pbix file and a walkthrough video/PDF will also be provided so that internal team members can extend/edit the dashboard functionality as required. • The dashboard will load in efficiently, KPI cards will auto update on filtering Looking forward to learn more, collaborate and contribute to the project success. Best regards, Nrupesh
$16.67 CAD in 20 days
4.6
4.6

Hi I have 15+ years of experience in business intelligence includes data processing, ETL, data modelling, data analyis and building interactive dashbaords. I can help you turn your large, highly detailed dataset into a fast, reliable, and fully interactive Power BI dashboard focused on operational efficiency. I have strong experience working with mixed data sources (SQL + Excel/CSV), building optimized data models, and writing efficient DAX to ensure performance even with high data volumes. I’ll structure the model for speed and scalability, then design a clean, intuitive dashboard that clearly highlights cycle time, throughput, bottlenecks, and utilisation with flexible drill-downs and filters. if interested we can connect and get started now Thanks Shivani
$20 CAD in 40 days
4.4
4.4

Hi, With over a decade in enterprise BI, I will build a high-performance Power BI dashboard that unifies your SQL and Excel/CSV sources through a robust data model, optimised relationships, and DAX measures covering cycle times, throughput, utilisation rates, and bottleneck alerts — all within a single, polished dashboard with date, business-unit, and status filters that respond in under five seconds. I will configure automated gateway-based refresh schedules and document every credential and maintenance step so your team can keep it running without dependency on me. The final package includes the .pbix file, a reusable transformation layer built in Power Query, and a concise walkthrough document so any team member can confidently extend or modify visuals. Happy to align on timelines and source-system access at your earliest convenience. Thanks Drik
$20 CAD in 40 days
4.1
4.1

Hello, As a result of a detailed review of your project requirements, I fully understand the scope and expectations. I have experience handling similar Power BI dashboard and data modeling projects and I’m available to start your project right now. I bring deep expertise in Power BI, SQL, Data Modeling, DAX, Data Analysis, and Data Visualization with over 10 years of experience. One of the key challenges in projects like this is keeping a large mixed-source model fast and reliable, so I would focus on clean merge logic between SQL and Excel/CSV sources, optimized relationships and DAX measures, and a responsive dashboard design with drill-down filters, KPI cards, and automated refresh configured for easy internal maintenance. I have a couple of quick questions. • Approximately how large is the dataset in terms of rows and refresh frequency? • Will the dashboard be published to Power BI Service with a gateway, or used mainly as a local .pbix deliverable? I would be glad to discuss further details and am ready to start immediately. Looking forward to hearing from you. Best regards, Carlos
$15 CAD in 40 days
3.7
3.7

With a proven track record of over seven years in software development, data wrangling is just one of the many areas in which I have honed my skills. SQL databases and Excel/CSV files are both languages I speak fluently. I understand the importance of having a well-built, efficient data model and relationships that guarantee fast responsiveness even with increasing data volumes. Having designed multiple visually clean and intuitive dashboards, I will create a customized Power BI KPI dashboard for your business unit that aligns with your unique needs. My experience allows me to comfortably design slice-and-dice interactivity, including date ranges, business unit filters and real-time status indicators – to help you keep track of what really matters. Being meticulous in my work means I pay attention to every detail, ensuring automated refresh schedules are set up properly while training your internal team on any support they may need moving forward. Your satisfaction is ultimately my top goal; I aim to leave you feeling confident enough to extend or tweak visuals as needed even after project completion. Incorporating powerful visuals, this Power BI KPI Dashboard will give you accurate insights into your operations' performance. Let's make it happen!
$15 CAD in 40 days
5.7
5.7

Hi there, regarding your Power BI project, I've noticed that ensuring seamless integration between SQL and Excel/CSV data sources is crucial for maintaining the dashboard's performance. My approach efficiently handles this by optimizing the merge logic to deliver quick data retrieval even with massive volumes. In a previous project, I developed a dashboard for a logistics firm that improved report loading times by 40% through effective DAX measures and model optimization. I include 30 days of post-deployment bug-fixing. What specific drill-downs are you considering for cycle times? Let's discuss how I can bring your dashboard vision to life.
$15 CAD in 40 days
3.3
3.3

Hi, Hope you are doing well! I came across your project and would love to assist you! I lead a team of experienced developers specializing in scalable and high-performance web applications using modern technologies. Our Web Development Expertise: Backend: ASP.NET, .NET Core, C#, Node.js, Python Frontend: React.js, Angular, TypeScript, ASP.NET MVC, Blazor, JavaScript, jQuery Database: MS SQL, MySQL, PostgreSQL, NoSQL, SQLite Cloud: Azure, AWS We focus on clean architecture, optimized performance, and secure coding practices to deliver robust web solutions tailored to your needs. Whether it’s a custom web application, an enterprise solution, or API development, we ensure high quality and seamless functionality. Would love to discuss your project in detail. When would be a good time to connect? Looking forward to your response! Best regards, Pratik
$20 CAD in 40 days
3.3
3.3

Hi there, I am an experienced Power BI developer with a strong track record of building high-performance dashboards from complex, large-scale data sources. Your project aligns perfectly with my expertise in: Data modelling & integration, Dashboard design - Creating intuitive, interactive visuals that highlight KPIs such as cycle times, throughput, bottlenecks, and utilization, with responsive filters and drill-downs, Performance & automation - Ensuring seamless refresh schedules, and clear documentation for effortless maintenance by your internal team. I will deliver a clean, dynamic dashboard packaged with the .pbix file and a concise walkthrough guide, enabling your team to confidently extend and adapt the solution. I am confident I can provide a polished analytic experience that meets your acceptance criteria and supports your operational efficiency goals. Let’s discuss timelines and next steps at your convenience.
$20 CAD in 15 days
3.4
3.4

Kingsville, Canada
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