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Top freelance ASP.NET Core developers available to hire
I have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.
Hi, I’m Kishore — a Full-Stack Developer & Certified Security Architect with 14+ years of experience building secure, scalable, and user-friendly software solutions.
I specialize in:
Web & Mobile Development: React, Angular, ASP.NET, C#, Java, Android
APIs & Databases: REST APIs, SQL Server, MySQL, MongoDB
Cloud & DevOps: Azure, AWS, CI/CD, Docker
Security: Applying industry-approved best practices to protect your data
I’ve delivered management systems, e-learning platforms, inventory solutions, and mobile games, ensuring smooth functionality and a great user experience. My focus is on clear communication, fast problem-solving, and writing clean, maintainable code.
Whether you need bug fixes, performance optimization, code review, or end-to-end development, I can help you get your project back on track and working flawlessly.
📩 Let’s connect and solve your challenges together!
🚀 Turning Boring into Brilliant
I specialize in automating the mundane and transforming inefficiency into opportunity. I sell a powerful ERP + POS system that streamlines operations, teach Python and Excel with real-world flair, and serve as the Technical Advisor for the Systems Development course at the University of Cape Town. Whether it's simplifying workflows or mentoring future tech leaders, I'm all about creating smarter, faster ways to get things done.
Software Developer with over 6 years of experience specializing in back-end engineering. Proven ability to design and build resilient, scalable micro-services using Java, Spring Framework, and cloud-native technologies. Consistently delivers high-performance software that enhances user experience and drives operational efficiency. Open to new challenges in Software Engineering roles.
Microsoft AI Certified and Innovative Applications Architect with 8+ years of IT experience and extensive knowledge on Designing, Architecting, Developing, Deploying and Testing well versed technical solutions using C++, C#, [ASP.NET](http://asp.net/), .NET Core, .NET 5/6/7/8, Angular, Angular JS, JavaScript, JQuery, HTML5, CSS3, SASS, IONIC 5, T-SQL.
* 15+ years of experience in software development.
* 7 years of building apps with NodeJS, React and Angular.
* 5 years of hands-on work with cloud-based.
* Solid background in computer science and software development.
* Proficient in important practices like Clean Code, Refactoring, Test Automation, and CI/CD.
* Exceptional at solving problems and learning new technologies quickly.
I have over 8+ years of full-stack experience building scalable and reliable systems using **[ASP.NET](http://asp.net/) Core**, **React with TypeScript**, and **AWS**. In my current role as a Lead Software Engineer at Cimpress, I’ve designed and built multiple microservices from scratch in **.NET Core**, and more recently upgraded services to follow **.NET 8 standards**, improved middleware pipelines, and performance optimizations.
On the frontend, I’ve worked extensively with **React + TypeScript**, building components, architecting state management, and creating production-ready UI applications deployed globally. I collaborated closely with designers and product teams while ensuring a strong typing system using TypeScript to reduce runtime issues and improve maintainability.
On the cloud side, I’ve deployed and maintained services on **AWS** using **Elastic Beanstalk, EC2, S3, CloudFront, RDS, Lambda, Route53, and CloudWatch**. I’ve implemented CI/CD pipelines, improved monitoring and alerting, and introduced proactive tracking using dashboards and structured logging via **CloudWatch, Kibana, and Serilog**.
**Code quality and scalability** have consistently been central to my work:
* I enforce clean architecture principles, separation of concerns, SOLID, and domain-driven thinking where appropriate.
* I conduct and lead code reviews with a strong focus on readability, simplicity, and maintainability.
* I use **unit testing, integration testing, mocking frameworks, and automation** to ensure reliability before code reaches production.
* I migrated a major enterprise product from Telerik ORM to **EF Core**, which boosted performance by 40% and reduced long-term maintenance cost.
* I evaluated multiple load-testing tools and standardized **k6** for performance and stress testing of mission-critical microservices.
* I’ve designed services with async patterns, caching, and proper DB indexing to support high load and low latency requirements.
* I work closely with product and stakeholders to identify potential risks early and design scalable, fault-tolerant solutions.
I’m comfortable taking ownership end-to-end—design, build, test, deploy, monitor—and I enjoy collaborating with frontend-heavy engineers as well. At the same time, I can work independently, communicate clearly, and ship improvements quickly in a remote environment.
Overall, my experience aligns well with this role’s need for strong backend engineering in **ASP.NET 8**, paired with solid React/TypeScript experience, AWS cloud expertise, and a strong focus on correctness for high-stakes applications
**iOS & Android expert.**
Vivek is a seasoned Software Engineer with over **12 years of experience in Cloud & Mobility**. He has an extensive experience in building and delivering high impact projects. He works as an **Azure Architect** for major enterprise developing technologies of the future. He is also highly skilled on both the major Mobile platforms - **Android & iOS**. Strong engineering professional with a **Master's degree** in computer science. He is also an excellent trainer. He aims to utilise his vivid professional experience in helping fellow engineers and community at large.
**Experienced, efficient, flexible, friendly, no charge if I can't help!**
**Proven technical interviewing tutor**
**Specialize in backend (C#,C++,Java,etc) coding and Azure**
I have been a software engineer for the past 12 years at Microsoft, and have been solving problems for much longer than that. I am fast and efficient and will be honest about my expertise and timelines.
I have an unbounded passion for anything technology, rising from an insatiable curiosity to learn more. In the plethora of technologies or fields that I already have knowledge of, I will be able to help right away. But rest assured that with me, you don't need to worry about knowledge till date. If I encounter a problem outside of my expertise, I would just jump in to researching everything about it, find pros and cons for all solutions and then helping out with the best one.
Note - If pricing is an issue, ping me! We can work something out! :)
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STEP 3
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Frequently asked questions
How long do ASP.NET Core projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance ASP.NET Core project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance ASP.NET Core request on Codementor, check out our article.
How much does it cost to hire a freelance ASP.NET Core developer?
We don’t charge anything when you post a freelance hiring request for ASP.NET Core developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor ASP.NET Core developers different?
We do a comprehensive technical and communications screen of all ASP.NET Core developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing ASP.NET Core developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your ASP.NET Core project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.