
Closed
Posted
Paid on delivery
Note: If you are based in Lucknow and have time to work 10:00AM TO 5:00PM only apply I'm in need of a highly experienced .NET developer to run and maintain an existing web application built with ASP .NET. The application is already developed, and I require someone who can ensure its smooth operation and address any potential issues that may arise. Key Requirements: - Extensive experience with ASP .NET framework - Ability to run and troubleshoot existing web applications - Strong problem-solving skills to ensure application stability and performance Ideal Skills and Experience: - Proven track record of managing and maintaining ASP .NET web applications - In-depth knowledge of web application architecture and development - Excellent communication skills to provide updates and collaborate effectively If you have the expertise and experience needed for this role, I would love to hear from you.
Project ID: 40570317
30 proposals
Remote project
Active 2 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
30 freelancers are bidding on average ₹27,022 INR for this job

Hi, I'm not based in Lucknow but I'm available remotely during your required 10:00 AM to 5:00 PM window with quick response times throughout. I have 8+ years of hands-on experience maintaining and troubleshooting production ASP.NET web applications. Stepping into an existing codebase, understanding its architecture quickly, and resolving issues without disrupting what's already working is something I do regularly. My approach: review the existing setup, configuration, and dependencies first, identify any stability or performance risks, then address them systematically with clear updates at each step. Available to start immediately. Happy to do a quick review call to understand the current state of your application before we begin.
₹15,000 INR in 7 days
6.7
6.7

Hello sir , i am full time freelancer and have 17+ years of experience in - Software and Web development in asp.net c# webform, MVC, angular , javascript,sql server . -trading automation using multiple broker api - python web automation using selenium and request api. - Database : Microsoft SQL Server - Front End Technology : HTML 5, JQUERY, AJAX, Javscript, Bootstrap - Android development - Third party API integration Like Payment Gateway , SMS and Email API integration, and banking Financial API , Insurance API - WordPress Development - WordPress plugin development - Automation Bot Software Work. Work on many Automation bot software and website scraping work. please contact me on private chat, we can discuss more about project and show you demo as well Thanks
₹25,000 INR in 7 days
6.3
6.3

I propose supporting your existing ASP.NET application through a dedicated Maintenance & Support engagement focused on stability, performance, and reliable day-to-day operation. Task 1 – Application Assessment Review the existing ASP.NET application and architecture Analyze current deployment, configuration, and dependencies Identify potential issues affecting performance or stability Task 2 – Maintenance & Issue Resolution Monitor and maintain the application Troubleshoot bugs, errors, and production issues Optimize performance and ensure smooth operation Apply updates and fixes without disrupting existing functionality Task 3 – Ongoing Support Provide regular progress updates and technical documentation Collaborate on enhancements and future improvements Be available during the required 10:00 AM–5:00 PM working hours for timely support and issue resolution I am committed to delivering reliable maintenance, quick turnaround on issues, and long-term support to keep your application running efficiently.
₹25,000 INR in 7 days
4.3
4.3

As the Founder of Solves Inn, a proficient and adaptable tech company, I'm equipped to manage your project in Lucknow. We have hands-on involvement in altering complex necessities into clean, adaptable systems explicitly intended for enduring achievement. My unbeatable skills stand out when it comes to web application development and architecture. Over the years, I have consistently delivered high quality results and maintained existing ASP.NET programs effectively ensuring smooth operations. Moreover, you can expect prompt but comprehensive updates from me at every step. My problem-solving skills will be greatly beneficial as I am adept at detecting issues and resolving them before they become significant problems. Solves Inn's core philosophy is rooted in building long-term client relationships which is why we focus on reliability and delivering tangible solutions that are efficient, reliable, and built for long-term business growth. Choosing me and my team will not only ensure your application's stability and performance but will cement us as your long term technology partners for any future developments or requirements.
₹12,500 INR in 1 day
4.2
4.2

Hi, I’m Dhyan Moradiya, a skilled professional specialized in ASP.NET MVC, ASP.NET Core MVC, Blazor, and .NET Core Web API, having experience working with cloud solutions like EC2, S3, SNS, SQS, and Lambda for various functionalities. I'm excited to help with your project. I have worked on CRM, ERP, E-Commerce, and restaurant management apps, ensuring smooth functionality, user-friendly design, and bug-free code. Here’s why I'm the right choice: Proven experience with ASP.NET 4.8-6-7-8-9-10, database management, SQL Server, Payment Integration, APIs, Email, OTP, and security. Familiarity with scalable solutions for apps similar to yours. Timely delivery without compromising on quality. Let’s connect to discuss your requirements in detail. I'm eager to understand your vision and create an app that exceeds expectations. Looking forward to hearing from you! Best regards, Dhyan Moradiya
₹35,000 INR in 7 days
2.7
2.7

Hello, I am a developer with more than 10 years of experience in .Net (C#/VB) with different Databases such as Oracle, SQL and MySQL. Please contact me to be able to help you in your project and together review the technical details you need.
₹25,000 INR in 7 days
2.8
2.8

With over 15+ years of experience, completing more than 100 projects to date, as well as a solid 4.9 rating to my name, my track record speaks volumes about the quality and expertise I bring to the table. Having spent long periods working with both large enterprise setups and freelancing since 2011, I offer a unique blend of skills not often found elsewhere. I have extensive experience in web application architecture and development, having built ecommerce platforms, ERPs, APIs, CRM systems, and more - perfect for maintaining and troubleshooting your existing ASP .NET framework-based web application. My problem-solving abilities help ensure your application remains stable and performs optimally. In addition, my strong backend skills (ASP.NET + PHP + SQL) offer an added advantage in swiftly addressing issues that may affect performance. As a developer, I'm known for my effective communication skills which promote easy collaboration and provide regular updates to clients like yourself. Given my based-in-Lucknow location, I can effortlessly fulfill this position's timing requirements (10:00AM TO 5:00PM). My aim is not just a one-time solution but a long-term partnership that fundamentally supports your business growth. Don't just take my word for it; let's get started with a small challenge or test task to see what I can do for you!
₹35,000 INR in 30 days
1.7
1.7

Hi, I have extensive experience working with ASP .NET applications and can help run, maintain, and troubleshoot your existing web application to ensure it remains stable, secure, and performs reliably. I’m experienced in identifying and resolving issues quickly while keeping downtime to a minimum. I’m committed to clear communication, regular progress updates, and delivering dependable long-term support. I’d be happy to discuss your application and how I can help maintain it efficiently. Looking forward to hearing from you!
₹32,000 INR in 7 days
0.9
0.9

I’m from Lucknow having 15+ years of experience in governance projects as well as complex ERP’s. Currently I am in Lucknow and working with US CLIENT as a solution architect
₹25,000 INR in 5 days
0.8
0.8

Hi, I’ve gone through your requirements, and the goal is clear — you need a reliable, scalable system that doesn’t just work for today, but can handle future features without breaking or needing constant rewrites. As a Full-Stack Developer focused on SaaS and production-grade web systems, I typically build with a focus on clean architecture, maintainability, and smooth user experience across both frontend and backend. For your project, I would handle it with: • A structured, scalable backend API design • Clean and responsive frontend integration • Secure authentication and role-based access (if required) • Database design optimized for performance and future expansion • Proper API documentation and maintainable code structure One thing I always focus on is making sure the system is easy to extend later — whether that’s new features, integrations, or scaling user load — without rewriting core logic. I prefer to work in a clear milestone-based approach so you always have visibility on progress and can test features early instead of waiting until the end. Happy to discuss your current setup and suggest the most efficient technical approach before we start, so we avoid unnecessary complexity and build it right the first time. Thanks, Mayuri
₹25,000 INR in 7 days
0.6
0.6

I'll maintain the existing ASP.NET web application, troubleshoot issues, and ensure smooth operation. I'll apply my extensive experience with ASP.NET framework and strong problem-solving skills to deliver stable performance. Ready to start immediately.
₹25,000 INR in 7 days
0.7
0.7

As a seasoned Full-Stack Software Engineer with over 7 years in the field, my core strength lies in building scalable and production-ready web applications. I have an extensive and proven background in ASP .NET, making me accustomed to the framework and the nuances that come with it. From optimizing databases to troubleshooting complex application systems, I've got it covered. My approach centers around stability and performance improvements even after deployment, which is perfect for your project where you have an existing web application. My expertise is not limited to ASP .NET though, as I'm also proficent in React, Node.js, Python, Shopify, Webflow, Laravel and other key areas of web development. This breadth lends me the ability to understand your application as a whole rather than just fixating on a single part of it. In addition to my technical skills, one of my biggest differentiators is my focus on maintaining open lines of communication throughout a project. I prioritize providing timely updates and remaining accessible to all involved parties to ensure successful collaboration. For a project that requires seamless handling and clear communication like yours does, choose me - Ioannis - for absolute peace of mind and exceptional results.
₹25,000 INR in 7 days
0.0
0.0

⭐ Hi there ! Let's set meeting schedule for ur project more detail . Existing ASP NET apps need careful debugging rather than random code changes Can handle ur current app setup deployment maintenance bug fixing and performance checks Strong exp with C sharp ASP NET MVC NET Core NET 5 NET 6 and Microsoft SQL Server First step will be running the app in a clean env and checking config logs database connections dependencies and deployment settings Any issue found will be traced to the actual root cause before applying fixes Can also review slow queries memory usage API errors auth issues and unstable background jobs Updates will be shared clearly thru chat so u always know what was checked fixed and still pending Pls share the current codebase hosting setup and main issues u r seeing now Timeline : 7 days Total Budget : 30000 INR
₹30,000 INR in 7 days
0.0
0.0

I’m excited to apply for the Programmer (Microsoft Technologies) position. With a strong background in ASP.NET (MVC), C#, Web API, Entity Framework, and modern front-end technologies, I can help you design, develop, and maintain robust and scalable applications. Over the past few years, I’ve worked on multiple enterprise-level web applications that demanded both performance and clean architecture. My focus is always on writing well-structured, reusable, and efficient code — while ensuring user-friendly and responsive interfaces. Here’s what I bring to your project: 1) .NET Expertise: ASP.NET MVC, .NET Core, C#, Web API, Entity Framework. 2) Front-End Skills: HTML5, CSS3, Bootstrap, JavaScript, jQuery, and AJAX. 3) Database Knowledge: SQL Server – proficient in queries, stored procedures, and optimization. I’m highly detail-oriented and always aim to deliver on-time, bug-free, and scalable solutions. I’d love the opportunity to discuss how I can contribute to your project’s success. Let’s connect to talk about your current goals and how I can help bring them to life. Warm regards, Yogesh Sharma
₹25,000 INR in 7 days
0.0
0.0

At Evosphare Solutions, we specialize in building AI-powered applications using Python, LLMs, RAG, Generative AI, and full-stack technologies. Our team has developed solutions including a RAG-based document management system, a voice-enabled LLM yoga application, and an AI-powered food delivery platform. We have hands-on experience with Python, FastAPI, LangChain, vector databases, prompt engineering, and deploying scalable AI solutions. We focus on writing clean, production-ready code, maintaining clear communication, and delivering high-quality solutions tailored to business needs. We would be excited to contribute our AI expertise to your project.
₹25,000 INR in 7 days
0.0
0.0

Hey, I think you would like to read this. I specialize in ASP .NET development and have a proven track record of maintaining and optimizing existing web applications. For your project, I would conduct a thorough analysis to address any potential issues, ensuring smooth operation and improved performance. By working with me, you can expect tailored solutions that prioritize stability and performance, along with clear communication throughout the process. Your outcome will be a seamlessly running web application that meets your requirements effectively. I would like to discuss more about the project. You lose nothing. Also, if we create milestones, your payment will be fully protected, and you can use this message as proof for a full refund if needed. Kind Regards, Riyaat --- Deliverables: 1. Thorough analysis of the existing ASP .NET web application 2. Implementation of solutions to enhance stability and performance 3. Regular updates and effective collaboration throughout the project
₹18,750 INR in 7 days
0.0
0.0

I am not based in Lucknow, but I am available to work remotely during the required hours of 10:00 AM to 5:00 PM. I have over 8 years of experience with ASP.NET and have successfully maintained, enhanced, and troubleshot production web applications throughout their lifecycle. I am comfortable taking ownership of an existing codebase, ensuring its stability and performance, and providing clear, timely updates. I would welcome the opportunity to discuss your application and how I can help keep it running smoothly. Thanks, Dipak
₹35,000 INR in 5 days
0.0
0.0

⚠️If I can’t deliver, I don’t expect to get paid. I recently completed a project similar to what you are looking for, where I successfully managed and maintained an ASP .NET web application, ensuring its smooth operation and addressing any issues promptly. Briefly, I bring over 5 years of experience in ASP .NET development, specializing in running and troubleshooting existing web applications. My track record includes optimizing application stability and performance through strong problem-solving skills. Understanding your need for an experienced ASP .NET developer in Lucknow to maintain your existing web application, I am confident in my ability to ensure its smooth operation, address any issues effectively, and provide timely updates to achieve long-term success. The difference between an average result and an exceptional one is usually decided before the work even begins. Regards, MobiDealer
₹28,150 INR in 7 days
0.0
0.0

Hello, I can help run, maintain, and troubleshoot your existing ASP.NET web application to ensure smooth performance and stability. I have strong experience with ASP.NET, .NET web applications, backend troubleshooting, bug fixing, performance optimization, database integration, and maintaining production systems. I can quickly understand the existing codebase, identify issues, resolve errors, monitor application behavior, and provide regular updates. I am comfortable working during the required 10:00 AM to 5:00 PM schedule and can collaborate clearly to keep the application stable and reliable. Best regards, Derek
₹15,000 INR in 7 days
0.0
0.0

Hello, Thank you for sharing your project requirements. Inflexible Global Pvt. Ltd. specializes in building modern, scalable, and enterprise-grade applications using the latest .NET technologies. With 14+ years of experience, our team has extensive expertise in .NET Core/.NET 8+, ASP.NET Core MVC, C#, Entity Framework, SQL Server, REST APIs, Azure, Visual Studio, Git, Angular, React, JavaScript, Bootstrap, HTML5, CSS3, and clean architecture principles. Your requirement aligns perfectly with our core expertise. We have successfully delivered numerous applications following layered architecture, dependency injection, repository pattern, SOLID principles, and secure coding standards, ensuring applications are scalable, maintainable, and production-ready from day one. Beyond development, we provide complete support for database design, API integration, deployment, performance optimization, testing, documentation, and post-delivery assistance. Our team follows an agile development approach with transparent communication and regular progress updates throughout the project lifecycle. We are confident in delivering a high-quality solution that exceeds your expectations and would be delighted to discuss your requirements in detail. We look forward to partnering with you. Best Regards, Business Development Team Inflexible Global Pvt. Ltd.
₹27,000 INR in 7 days
0.0
0.0

Lucknow, India
Payment method verified
Member since Sep 17, 2022
₹600-1500 INR
₹1500-12500 INR
₹600-1500 INR
₹12500-37500 INR
₹600-1500 INR
$15-25 AUD / hour
₹1500-12500 INR
$30-250 USD
₹600-1500 INR
£750-1500 GBP
₹12500-37500 INR
₹12500-37500 INR
₹12500-37500 INR
₹12500-37500 INR
₹2000-3000 INR
₹750-1250 INR / hour
$30-250 USD
₹12500-37500 INR
$250-750 USD
$250-750 USD
$15-25 AUD / hour
₹1500-12500 INR
₹12500-37500 INR
₹12500-37500 INR
$2-8 USD / hour