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ASP.NET Blazor Healthcare App – Bug Fixes Overview: Please review the scope and provide your fixed-price estimate. We are enhancing an existing healthcare web application, focusing on bug fixes and performance improvements. The app is built with ASP.NET and Blazor (frontend). Scope of Work: - Fix PDF display issue in production - Improve first-time landing page load (cold start) - Ensure new builds are delivered instantly without stale cached assets General Requirement: All changes must be implemented without breaking existing logic or user flows. Additional Information: - Frontend: Blazor WebAssembly with Service Worker (PWA) - Hosting: IIS on our own Windows server (no CDN) - PDF issue: PDFs are static files served from wwwroot and opened via direct links (target="_blank"). In production, some PDFs fail to open. - Performance issue: first-time load of the landing page is slow; we want to improve initial load time without changing UX. - Caching issue: after deployments, users sometimes receive stale assets; new builds should be delivered immediately without manual cache clearing. - All data exchange is via JSON over secured API endpoints. - CI/CD: Azure DevOps with automated deployments. Experience with build pipelines and post-deployment behavior is important. Project Context: The system is already live and stable. Changes must be implemented carefully and safely. Ideal Candidate: - Strong experience with ASP.NET and Blazor - Familiarity with Azure DevOps CI/CD - Experience troubleshooting live production systems - Solid understanding of
Project ID: 40185586
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84 freelancers are bidding on average $153 USD for this job

Hi, Perfect scope for my Blazor/.NET expertise I'll fix your production PDF display (likely MIME/header/IIS config), optimize WASM cold start (preload/lazy chunks), and bust stale caches (manifest/versioning in Service Worker/Azure DevOps pipeline) without UX breaks. 5+ years Blazor PWA/IIS: Fixed similar healthcare app (Azure DevOps CI/CD, JSON APIs)—landing load from 8s to 2.5s, zero-downtime deploys. Repo example: [GitHub Blazor PWA Repo]. Day 1: PDF diagnosis/fix + test Day 2: Load opt + cache busting Day 3: Full QA/prod deploy + metrics report Azure DevOps pipeline access ready? IIS version/PWA manifest snippet? Let's stabilize your live app fast! Best, Akshay
$120 USD in 5 days
6.7
6.7

Hello, I understand you’re looking for an experienced ASP.NET Blazor developer to safely resolve production issues in a live healthcare application while preserving all existing logic and user flows. I have hands-on experience with Blazor WebAssembly (including PWA/service workers), IIS-hosted environments, and Azure DevOps CI/CD pipelines, with a strong focus on debugging real-world production behavior rather than theoretical fixes. For the PDF issue, I would trace MIME types, IIS static file handling, security headers, and service worker caching rules that can cause intermittent failures when opening files from wwwroot in production. To address the slow first-time load, I focus on cold-start optimization for Blazor WASM—examining boot resource size, lazy loading, and service worker strategies without altering UX. For stale assets after deployment, I implement deterministic cache-busting and service worker update flows so new builds are served immediately, eliminating manual cache clears. All fixes would be tested in a staging-equivalent environment, deployed carefully through Azure DevOps, and validated post-release to ensure stability, performance gains, and predictable update behavior in production. Thanks, Asif
$200 USD in 4 days
5.8
5.8

Hi there, I'm excited about the opportunity to enhance your ASP.NET Blazor healthcare app. I have extensive experience in ASP.NET development and a solid track record of improving application performance and resolving bugs, particularly in live environments. For the PDF display issue, I will conduct a thorough inspection to identify the handling issues related to static files, ensuring PDFs open flawlessly in production. To address the cold start problem, I will optimize the initial loading of the landing page while preserving its user-friendly experience. Additionally, I will implement a strategy to manage caching effectively so users always receive the most current assets after deployments without manual interventions. I propose a timeline of 10 days to complete these tasks while guaranteeing that existing logic and user flows remain intact.
$150 USD in 10 days
5.4
5.4

Hello, I have carefully analyzed your requirements and recently resolved similar production issues in a Blazor WebAssembly healthcare application, including PDF asset delivery problems, slow cold-start performance, and cache-related stale builds after deployment. For your project, I will diagnose and fix the PDF loading issue, optimize initial load performance without changing user experience, and configure build and caching behavior so new deployments are served immediately. All changes will be implemented safely, without impacting existing logic or user flows, and aligned with your IIS hosting and Azure DevOps pipeline. I am available to begin work immediately and am committed to delivering high-quality fixes in the shortest possible timeframe. Best regards, Elenilson
$150 USD in 7 days
5.2
5.2

Hi there, I am confident in my ability to enhance your ASP.NET Blazor Healthcare App by addressing the critical bug fixes and performance improvements you've outlined. With extensive experience in ASP.NET and Blazor, I can effectively tackle the PDF display issue, improve the cold start time of the landing page, and resolve the caching challenges you’re facing post-deployment. My approach will focus on ensuring that all changes are implemented without disrupting existing user flows, maintaining stability in your live system. To begin, I propose a timeline that allows for thorough testing and validation of each fix to ensure a seamless user experience. Let’s discuss the specifics of your requirements further.
$100 USD in 3 days
5.0
5.0

With a solid background in .NET and C# Programming, I am confident that I can tackle the bug fixes and performance enhancements needed for your ASP.NET Blazor Healthcare App. Moreover, my familiarity with Azure DevOps CI/CD makes me well-equipped to effectively manage your automated deployments while taking the necessary precautions to avoid any caching issues as mentioned. My extensive experience troubleshooting live production systems further assures you that I can effectively resolve the PDF display issue, improve first-time landing page load performance without compromising user experience. Finally, my passion for creating intelligent and user-friendly experiences coupled with my proficiency in modern cloud architectures brings immense value to your project. I look forward to lending my expertise in AI Mobile & Web Development specializing in React Native, Flutter and modern web technologies to help eliminate those pesky bugs and enhance your healthcare app seamlessly.
$150 USD in 7 days
4.8
4.8

Hi, I am confident in my ability to enhance your ASP.NET Blazor healthcare application while addressing the outlined bug fixes and performance improvements. With over 7 years of experience in software development, I specialize in ASP.NET and Blazor, which positions me well to resolve the PDF display issue, improve the landing page load time, and address caching concerns effectively. I will ensure that all changes are implemented without disrupting existing user flows or application logic. I estimate a timeline of 5 days to complete these enhancements, providing a timely delivery. Best regards, Andrii
$200 USD in 1 day
4.7
4.7

Hi There, I see you're looking to enhance your ASP.NET Blazor healthcare app by fixing some bugs and improving performance. It seems that the main issues are with PDF displaying, slow landing page loads, and stale cached assets after new builds. I would approach these problems methodically, ensuring that any fixes are implemented without disrupting the existing user experience. With solid experience in ASP.NET and Blazor, I can tackle the PDF display issue by checking how the static files are served and ensuring the settings are correct. For the landing page performance, I would analyze the loading process to identify bottlenecks while maintaining the current user interface. Lastly, I can streamline your caching strategy to ensure users always get the latest build without manual intervention. Can you share more about the specific PDF issues you’re facing in production? Best regards,
$180 USD in 3 days
4.4
4.4

I understand you're dealing with three interconnected issues common to Blazor WebAssembly PWAs: PDF serving failures, cold start performance, and stale cached assets after deployments. For the PDF issue, I'll configure proper MIME types and static file handling in IIS, ensuring correct content headers for direct file links. To improve cold start times, I'll implement lazy loading for non-critical assemblies and optimize your Service Worker precaching strategy. For the caching problem, I'll implement cache-busting through versioned asset paths in your Azure DevOps pipeline and configure the Service Worker to invalidate stale content on new deployments. I have extensive experience with ASP.NET, Blazor WASM, IIS configuration, and Azure DevOps CI/CD pipelines. I can start immediately and will ensure all changes maintain your existing logic and user flows.
$100 USD in 1 day
4.3
4.3

Hi there, I can help fix and optimize your ASP.NET Blazor healthcare application, addressing the PDF, performance, and caching issues while keeping all existing logic intact. Here’s how I would approach it: 1. PDF Display Issue: Review how PDFs are served from wwwroot and linked in Blazor. Fix production-specific issues, likely involving MIME types, IIS static file handling, or PWA service worker conflicts. Test all PDF links across browsers to ensure they open reliably in new tabs (target="_blank"). 2. First-Time Landing Page Load (Cold Start): Analyze WebAssembly bundle loading and lazy-load modules where appropriate. Optimize initial payload size, compress assets, and review static file caching headers to speed up first render. Evaluate service worker behavior for faster caching without breaking functionality. 3. Stale Cache After Deployments: Update Service Worker configuration to automatically refresh cached assets on new builds. Ensure users always get the latest JS, CSS, and WASM files without manual intervention. Implement cache-busting strategies aligned with Azure DevOps pipeline builds. 4. CI/CD & Deployment Safety: Integrate changes with your Azure DevOps pipeline. Test deployments in a staging environment to ensure zero downtime. Verify API endpoints and data exchange remain fully secure over HTTPS. Would you like me to draft a proposed timeline and cost for this work?
$150 USD in 7 days
3.5
3.5

Hello, I’ve reviewed the scope carefully and this is a well-defined, production-safe Blazor maintenance task, not feature work—which is exactly where I specialise. I have strong hands-on experience with ASP.NET Core, Blazor WebAssembly (including PWA/service workers), IIS-hosted environments, and Azure DevOps CI/CD pipelines, and I regularly troubleshoot live healthcare and enterprise systems. How I’ll approach your issues 1. PDF display issue (production-only) I’ll audit IIS static file configuration, MIME types, response headers, and service worker caching rules. In Blazor PWA apps, PDFs often fail due to aggressive SW caching or incorrect cache-control headers in production. I’ll ensure PDFs always bypass the service worker cache and open reliably via direct links. 2. Cold-start landing page performance I’ll profile the first-load path and address common Blazor WASM bottlenecks: payload size (lazy loading / trimming) service worker pre-cache strategy render-blocking assets 3. Stale asset delivery after deployments I’ll fix this at the root by: correcting service worker versioning/update strategy ensuring proper cache-busting for WASM assets aligning Azure DevOps build + publish output with IIS behavior Delivery guarantees No breaking changes to existing flows Production-safe fixes only Changes validated in staging before release Clear notes on what was changed and why Let me know if you want me to proceed and I’ll take it from there.
$190 USD in 7 days
4.2
4.2

Hi there, I’m Robert, a Senior Full-Stack & AI Engineer with over 10 years of experience architecting and delivering SaaS platforms, automation systems, and intelligent applications, specializing in ASP.NET, Blazor, and performance optimization. I recently resolved a critical PDF rendering issue in a live healthcare application, ensuring all static files were served correctly, while also enhancing user experience by optimizing loading times on landing pages. My deep technical background aligns perfectly with your goals for this project, ensuring that I can complete this project perfectly and deliver scalable, production-ready results. I focus on maintaining existing logic to implement changes safely without disrupting user flows. I am committed to clean architecture, structured documentation, CI/CD automation, and I follow stringent security practices during deployment. Let’s connect to refine your requirements and begin building a solution that exceeds expectations. What specific performance metrics are you targeting for the landing page improvements?
$150 USD in 10 days
3.2
3.2

I can deliver bug fixes for the ASP.NET Blazor Healthcare App with precision—on time, on budget, and with excellence. Could you please clarify if the PDF issue arises from specific PDF file types or sizes affecting their display? I have extensive expertise in Digital Product Development, Custom App & Website Development, and AI-Powered Automation/Agents. I bring years of proven experience delivering similar solutions for both corporate clients and startups. Recently, I built a custom AI agent that automated client workflows by 40%. If this sounds aligned, let’s connect and map out the next steps. Regards, Brad Wilson
$100 USD in 5 days
3.0
3.0

I can resolve the PDF display failures and optimize your Blazor WebAssembly app’s cold start while ensuring seamless, user-friendly performance and integrated caching strategies that prevent stale asset delivery in production. My expertise in ASP.NET, Blazor frontend optimization, and Azure DevOps automated pipelines aligns perfectly with your healthcare app’s stability and performance goals. What specific caching headers or service worker configurations are currently in place to control asset caching? Would you like me to walk you through how I’d structure this? Regards, Alicia.
$100 USD in 14 days
3.1
3.1

With a broad set of skills and varied experience including my strong background in full-stack web development, I am confident I can successfully address the bug fixes and performance improvements needed for your ASP.NET Blazor Healthcare App. As you mentioned, it is important that all changes are implemented without disrupting existing logic or user flows, and this requirement aligns smoothly with my meticulous approach to troubleshooting. Moreover, my experience with Azure DevOps CI/CD makes me adept at handling automated deployments and ensuring post-deployment smoothness. I strongly believe in efficiency and scalability for applications, something that has been frequently commended in my previous projects. Consequently, I bring not just coding capabilities but also a vision for delivering high-quality code while surpassing deadlines. Lastly, my familiarity with technologies like PHP, Node.js and Vue.js further strengthens my understanding of C# programming necessary to deliver an optimal solution for your PDF display issue, first-time landing page load and caching problem. Collaborating with me ensures you get a skilled professional who is proactively invested in your project's success. Let's work together to enhance your healthcare web application efficiently!
$150 USD in 3 days
2.9
2.9

Hi there, I’m Bilal, a Software Engineer with expertise in building scalable, user-friendly, and reliable solutions. I believe every project is not just about writing code but creating real value for your business. With strong experience in ASP.NET, Blazor, C#, IIS, Azure DevOps, and API development, I have worked on live production systems ensuring bug-free performance and fast, reliable deployments. My focus is always on: Clean, maintainable, and efficient code Timely delivery with clear communication Understanding your needs to provide the best solutions ✨ "I aim to turn ideas into polished products that help clients achieve their goals." ✨ I’d love to help resolve the PDF, performance, and caching issues in your healthcare app while maintaining all existing logic. I can ensure smooth production updates, optimized cold starts, and instant delivery of new builds. Best regards, Muhammad Bilal
$100 USD in 7 days
2.9
2.9

As an experienced ASP.NET and Blazor developer, I'm well-equipped to tackle the specific bug issues you're facing with your healthcare app. With a strong background in troubleshooting live production systems and an intricate knowledge of Azure DevOps CI/CD pipelines, I can ensure that any changes or enhancements will be implemented carefully without breaking existing logic or user flows. Furthermore, I specialize in not just building great apps but also optimizing their performance. My expertise in improving page load time can be key here as I understand the importance of a smooth UX and am skilled at achieving this without compromising on performance. Lastly, I would like to emphasize my understanding of architecting builds and tackling caching issues which will undoubtedly contribute to solving your challenge of delivering new builds instantly without stale cached assets. My team's specialities with PWA, Service Workers, and C# give us an edge to A) Fix the PDF display issues B) Boosting the Landing Page load time significantly C) Ensuring timely asset delivery. What sets me apart from others is my 14 years of experience in the development industry. Over these years, I've worked on numerous web applications enhancing their functionality and user experience while keeping reliability intact. In line with this expectation, let's work together for a more efficient healthcare app!
$100 USD in 7 days
3.1
3.1

Hi there, I'd love to help resolve the PDF display issue, boost your landing page speed, and ensure instant updates after deployments—while keeping your app stable and user experience seamless. With hands-on expertise in Blazor, ASP.NET, and CI/CD, I can deliver efficient, safe solutions tailored to your requirements. Looking forward to collaborating and making your healthcare app even better!
$150 USD in 1 day
3.1
3.1

Hello, I can help fix the PDF display issue, improve cold-start landing page performance, and ensure fresh builds are served immediately without breaking existing user flows. I have strong experience with ASP.NET Blazor WebAssembly, IIS hosting, and Azure DevOps CI/CD pipelines, and I’ve handled production bug fixes safely in live healthcare apps before. My approach: Diagnose and resolve PDF rendering failures in production. Optimize first-time page load via Service Worker and asset strategies. Implement cache-busting mechanisms to deliver new builds instantly. Test thoroughly to ensure all existing functionality remains intact. I can provide a fixed-price estimate once I review the code and deployment setup. Looking forward to helping make your app more reliable and performant. Regards, SA
$100 USD in 2 days
3.6
3.6

Hi, how are you? I think the main tasks are fixing the PDF display issue, improving the landing page load time, and ensuring that new builds don't serve stale cached assets. I have hands-on experience in ASP.NET and Blazor, along with a solid track record of troubleshooting live production systems. I will put my solutions in the following approach: - Analyze and resolve the PDF display issue to ensure all files open correctly. - Optimize the first-time landing page load to enhance user experience without altering the existing design. - Implement caching strategies to ensure instant delivery of new builds without stale assets. I can start immediately and complete the work within a short timeline. I understand the importance of maintaining the current logic and user flows while making these enhancements. Looking forward to your reply!
$100 USD in 7 days
3.1
3.1

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