Looking for Good Developers in Pakistan() -- 2

@Microlent

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in Software Development, Software Engineering As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen

@diektech

Hi — Elias here from Miami. I see you're looking for skilled developers to tackle a full-stack project involving ASP.NET, Legacy .NET, and React. The goal seems to be creating a robust application that can handle both current needs and future growth. What usually matters most here is ensuring the system's scalability and maintainability. A common issue in systems like this is managing the complexity that comes with integrating multiple technologies. The tricky part is balancing performance with user experience, especially when dealing with legacy components. My approach would focus on building a clean architecture that promotes separation of concerns. This allows for easier updates and maintenance. I prioritize testing and documentation to ensure future developers can understand and work with the system. I've worked on similar projects where I integrated legacy systems with modern frameworks, ensuring a smooth transition and improved performance. A few questions to better understand the scope: Q1 – What specific user roles and permissions are you envisioning for the application? Q2 – Are there any critical integrations we should prioritize? Q3 – What are your expectations regarding system scalability as user demand grows? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.

@gotucat

Hi, I reviewed your need for a versatile Full-Stack Developer to maintain legacy .NET Framework apps and modernize them with ASP.NET Core, while enhancing React UI features. I can bridge old and new reliably, keeping critical systems stable and improving architecture through refactoring and migrations. I’ll work across the stack: maintain Web Forms/MVC/WCF code, build and extend ASP.NET Core services and REST APIs, and develop responsive React features with hooks, component architecture, and state management. I’ll also contribute to SQL Server work, troubleshooting, and production issue resolution. You’ll get clean, well-tested, maintainable code, plus technical documentation and clear English Grammar for internal best practices. Let’s discuss here now.

@tyronet2

You need a developer who can keep business-critical legacy .NET applications stable while incrementally moving the platform toward ASP.NET Core and a maintainable React architecture. I have 9+ years of full-stack experience across C#, .NET services, React, REST APIs, relational databases, production debugging, and cloud deployments. I’m comfortable tracing unfamiliar legacy code, documenting hidden dependencies, fixing issues without regressions, and separating modernization into controlled changes rather than risky rewrites. On the modern side, I can build tested ASP.NET Core APIs, React hook-based components, clean data-access layers, authentication, logging, and CI/CD workflows. I use clear Git commits, practical code reviews, and production-focused diagnostics, and I can work directly with product and engineering stakeholders on long-term feature delivery. Which legacy technologies and .NET versions make up most of the current platform, and what modernization work is already prioritised?

@onkarkulkarni8

Hello, I checked your "Looking for Good Developers in Pakistan() -- 2" project description, it looks like the focus is on delivering a clean, responsive website that works well across all devices. I prefer understanding the expected layout and user experience first, then building pages that closely match the design while keeping the code organized and easy to maintain. Feel free to share the design or current website, and I'll suggest the best implementation along with a realistic timeline. Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.

@denisSolution

Hi, I'm Denis, a full-stack developer who has worked on systems combining legacy .NET with modern ASP.NET Core and React frontends. Your project involves maintaining and modernizing a platform that mixes legacy .NET Framework apps with newer ASP.NET Core services, while also building React-based user interfaces. That balance between keeping old systems running and guiding their evolution is familiar to me. I've done this kind of work before, refactoring .NET Framework code, migrating components to .NET Core, and building responsive React frontends that integrate with new and existing APIs. I'd approach this by first reviewing the existing codebase to understand dependencies and pain points, then planning incremental modernization steps without disrupting live services. For the React side, I'd focus on component reuse and state management that scales with future feature growth. Testing and careful rollouts would be built into each stage to keep the system reliable. I can start working right away. Let's connect and discuss the details. Thanks, Denis.

@SkillCrafts

I understand you need a developer comfortable with both legacy .NET Framework and modern ASP.NET Core, alongside React. My experience includes successfully migrating and modernizing similar monolithic applications to microservices architectures, improving performance and maintainability while ensuring business continuity. I've tackled projects where the challenge was bridging disparate technologies, much like your need to integrate legacy systems with new React frontends. My approach would involve a phased strategy. Initially, I'd focus on understanding the existing .NET Framework codebase, identifying critical areas for immediate stabilization or minor enhancements. Concurrently, I'd begin architecting and developing new features or refactoring existing ones using ASP.NET Core and React, ensuring a clean separation of concerns. For data access, I'd leverage Entity Framework Core for the modern stack and explore efficient bridging mechanisms or phased data migration strategies for the legacy components. Automated testing (unit, integration, and E2E) will be integral to ensure stability throughout the process. What are your primary concerns regarding the legacy .NET Framework applications, and what are the key performance indicators for the React front-end? I'm eager to discuss how my skills can directly address these challenges and contribute to your platform's success. Let's schedule a brief call.

@toriquldev123

Hello There! I’m Md Toriqul Islam, and I’m excited to partner with you. I can dive into your project immediately. I have rich experience in C#, .NET, ASP.NET Core, React, REST APIs, SQL Server, legacy modernization, and full-stack development. I understand you need a versatile full-stack developer to maintain legacy .NET Framework applications while developing ASP.NET Core services and React features. I can also handle modernization, API development, production troubleshooting, code quality, testing, documentation, and collaborative Git workflows. I am skilled in C#, ASP.NET Core, .NET Framework, React, TypeScript, SQL Server, REST APIs, Git, AWS, and Azure. I’m ready to start immediately and can work comfortably across legacy and modern systems while delivering clean, maintainable solutions. Looking forward to hearing from you. Best regards, Md Toriqul Islam

@venplura

Hi there, The balance you're striking between keeping legacy .NET systems stable while modernizing to Core is something I've navigated firsthand. That's often where teams get stuck—maintaining production Web Forms while React components need to work alongside them, and the debt accumulates. I've spent the last several years working across exactly this kind of mixed stack: maintaining older .NET Framework applications, building ASP.NET Core APIs, and handling React frontends that need to integrate cleanly with both. I'm comfortable refactoring without breaking things, and I understand the pragmatic approach that's needed when you can't rewrite everything at once. One thing worth clarifying upfront: are you looking for someone to own the full modernization roadmap, or are priorities more immediate—like fixing production issues and delivering features while modernization happens gradually in the background? The way that gets approached is pretty different, and it'll shape how I think about the codebase. Happy to discuss what you're working with and what the next few months look like. kind regards, Corné

@melopgabriel

Hi, Your role is a strong fit for someone who can move between legacy .NET Framework code and modern ASP.NET Core and React without slowing the team down. I understand you need help keeping existing systems stable while improving features and guiding the platform forward. I’ve worked on full-stack .NET applications involving Web Forms, MVC, Web API, React, SQL Server, and refactoring older codebases into cleaner, maintainable services. I’m comfortable troubleshooting production issues, working through unfamiliar code, and keeping changes well tested. My approach would be to first understand the current architecture, identify the riskiest legacy areas, and then deliver improvements in small, safe steps. I focus on clear code, reliable APIs, and front-end work that is easy to maintain. If you’re looking for someone practical and dependable, I’d be glad to discuss the next step. Best regards, Gabriel

@AndrewJSMAN

I've maintained and modernized .NET Framework Web Forms apps to ASP.NET Core, migrated WCF services to REST APIs, and built React frontends with hooks and state management. This is right in the wheelhouse. I'll start by auditing your legacy codebase—Web Forms, MVC, WCF—then set up ASP.NET Core services with SQL Server, implement React components with TypeScript, and refactor critical paths first. Deployment will use Azure/AWS pipelines with GitFlow, while keeping downtime risk low via feature flags and blue-green deployments. I can start immediately. Thanks, Andrii.

@amadorjay

Hi there, The challenge lies in balancing the maintenance of legacy .NET applications while effectively modernizing them. Prioritizing refactoring and migrating to ASP.NET Core is essential, as this ensures critical features remain functional during updates. I specialize in transitioning legacy systems, using ASP.NET Core for service improvements and React for engaging front-end development. Could you clarify if there are specific legacy components you’d like to address first in the modernization process? Looking forward to discussing the details in chat.

@panos1414

Hi, I’m Panagiotis. Your role is a strong fit for my ASP.NET background, especially where legacy systems need careful modernization without breaking production. I’m comfortable working across .NET Framework and ASP.NET Core, and I can move between backend APIs, React features, and collaborative Git workflows with a focus on clean, maintainable delivery. I’ve worked in product-focused environments where clear technical writing, code reviews, and practical problem-solving matter as much as implementation. For a platform like yours, I’d help stabilize legacy code, improve architecture step by step, and contribute to documentation so the team can move faster with less risk. I’d be glad to discuss how I can support your stack and modernization goals. Panagiotis

@naeem1114

When you blend legacy Web Forms with new ASP.NET Core services, hidden ViewState can cause unexpected postback errors. I’ll isolate the legacy modules behind a thin API layer, use dependency injection, and keep SQL Server connections pooled for stable performance. A common pitfall is assuming the React state will survive a full page reload, which often leads to lost user input. We'll add a lightweight local storage sync and keep component hierarchy shallow to preserve data across refreshes. Ready to start immediately and begin refactoring the codebase.

@nishik373

Hello, As an industry veteran with over 16 years of experience, I understand the importance of staying up-to-date with modern technologies while still maintaining legacy systems. This is why I believe I'm the ideal fit for your project. My extensive background in full-stack development using ASP.NET Core and React perfectly syncs with your requirements , navigating between old and new systems to ensure the smooth functioning and evolution of your software platform. Alongside my proficiency in C#, .NET, and ASP.NET Core, I bring solid experience in maintaining legacy .NET Framework applications, refactoring codes, migrating to .NET Core/5+, and improving overall architecture. Having built UI with React using hooks, component architecture, and state management techniques makes me adept at developing responsive, maintainable front-end features that amplify the user's experience. My collaborative skills allow me to seamlessly interact with other engineers, product managers, and designers to scope and deliver high-quality features. Furthermore, my problem-solving aptitude has allowed me to troubleshoot and resolve production issues efficiently across multiple software stacks. Let's work together to modernize your system as we write clean well-tested code that adheres to best practices. Thanks!