.NET Core Backend Developer Needed

@esolzsales

Hi, I am an experienced .NET Core developer with strong expertise in building scalable backend systems using microservices architecture. I have hands-on experience with AWS services, CI/CD pipeline implementation, deployment automation, API development, database design, and performance optimization. My technical experience includes: • .NET Core / ASP.NET Core • Microservices Architecture • REST APIs & Integration Services • AWS (EC2, S3, RDS, Lambda, CloudWatch) • Docker & Containerization • CI/CD using GitHub Actions, Azure DevOps, and Jenkins • SQL Server, PostgreSQL, and NoSQL databases • Deployment, Monitoring, and Security Best Practices I am interested in learning more about your web portal requirements, architecture, expected timelines, and team structure. Once I have a better understanding of the scope, I can provide recommendations and a detailed execution plan. My monthly rate expectation is $2500USD/month (negotiable based on project scope and commitment). I would be happy to schedule a call to discuss the project in more detail. Looking forward to hearing from you. Thanks

@Jennycreation

hello my self sanjay i am individual developer With 16+ years of comprehensive experience in ASP.NET and backed by my expert team, I'm the perfect fit for your .NET Core Backend project. Having been in the industry for a long time, I've garnered extensive knowledge not only in backend development but also in microservices architecture, AWS, CI/CD and deployments - all of which are essential to the successful delivery of your web portal. In addition to my technical skills, let me emphasize my commitment to quality workmanship. I have developed a knack for efficiency without compromising on quality so that we can deliver within deadlines without sacrificing quality. You can expect strict adherence to coding standards and meticulous testing procedures from us. lets connect and work together thnaks

@AbdulBasitAli045

I’m excited to apply for your project and bring my expertise in .NET and backend development to help you build secure, scalable, and high-performing applications. With 8 years of professional experience, I specialize in designing, developing, and maintaining backend systems that drive business success. My Expertise Includes: ✅ .NET Development Building robust applications using ASP.NET Core MVC, Web API, and WebForms. Implementing RESTful APIs and integrating with third-party services. Developing reusable libraries and middleware for modular systems. ✅ Backend Architecture & Database SQL Server, MySQL, and PostgreSQL – query optimization, stored procedures, and indexing. Entity Framework & Dapper for efficient ORM solutions. Designing scalable database schemas and implementing caching strategies. ✅ Cloud & Integrations Deployment and integration with Azure and AWS services. Authentication/Authorization (JWT, OAuth, Identity Server). Payment gateways, email services, and external API integrations. ✅ Best Practices & Performance Clean code architecture (Onion/Clean Architecture, Repository & Unit of Work patterns). Exception handling, logging (Serilog, NLog), and monitoring. CI/CD pipelines for smooth deployment.

@Hrolgar

Most microservice portal builds go sideways not because of bad code but because service boundaries were decided by accident -- two endpoints here, a shared table there -- and by the time the integration layer lands, unwinding it costs more than the original build. The approach here: domain model and OpenAPI contracts locked down in M1, before a line of business logic is written. Every downstream service gets built to that contract, not retrofitted to match it. CI/CD goes in at the same time -- Docker + GitHub Actions wired so every PR gets built, tested, and deployed to a staging slot automatically. Not bolted on in week six when the pressure is highest. For the microservice communication layer, the choice between REST and gRPC matters more than people expect at portal scale. REST is fine for external-facing APIs; internal service calls benefit from typed contracts and lower overhead. Worth scoping that early.

@Appworldz

Hi, freelancer here, no agency involvement. I have extensive experience building backend platforms with .NET Core, microservices, SQL Server/PostgreSQL, AWS, Docker, REST APIs, event-driven architectures, CI/CD pipelines, and production deployments. I've worked on enterprise systems where scalability, observability, security, and maintainability were critical from day one. My approach is to define service boundaries carefully, automate deployments early, and ensure each microservice remains independently deployable and testable. I'm comfortable with AWS services, containerization, GitHub Actions/Azure DevOps, and infrastructure best practices. Monthly rate expectation: ₹450,000–₹650,000 INR depending on commitment level and responsibilities. Available to discuss architecture and start immediately.

@KarthikTechCon

Hello, I’m Karthik, an independent freelancer with 15+ years of experience in Microsoft technologies, enterprise application development, and cloud-based solutions. I have extensive hands-on expertise in ASP.NET Core, C#, REST APIs, microservices architecture, AWS cloud services, CI/CD pipelines, Docker, and production deployments. For your web portal backend, I can: • Design and develop scalable .NET Core microservices • Build secure RESTful APIs and backend services • Implement AWS-based deployment architecture • Configure CI/CD pipelines for automated builds and releases • Handle containerization, deployment, monitoring, and performance optimization • Follow clean architecture, SOLID principles, and best development practices I have successfully delivered enterprise-grade applications across domains including SaaS, eCommerce, logistics, healthcare, and business process automation. As requested, I am an individual freelancer and not an agency. Monthly Rate Expectation: USD 3,500/month (flexible based on scope, engagement model, and project duration). I would be happy to discuss your architecture, requirements, and deployment strategy in detail and share relevant project experience. Looking forward to collaborating. Regards, Karthik Senior .NET Solution Architect & Full Stack Developer 15+ Years Experience

@vinod150987

Hello, I am an independent freelance .NET developer with experience building scalable backend systems using .NET Core and microservices architecture. I have hands-on expertise in designing, developing, and deploying cloud-native applications on AWS, along with implementing CI/CD pipelines and automated deployment workflows. My relevant skills include: .NET Core / ASP.NET Core backend development Microservices architecture and API design AWS services (EC2, ECS, Lambda, RDS, S3, CloudWatch, etc.) Docker and containerized deployments CI/CD implementation using GitHub Actions, Azure DevOps, Jenkins Database design and optimization (SQL Server, PostgreSQL, MySQL) Secure, scalable, and maintainable application development I am comfortable working independently, participating in architecture discussions, and managing deployments through production environments. I would be happy to discuss your project requirements in more detail and share relevant backend development experience.

@UzeeTech

As a Full-Stack Developer, I have been responsible for not only building robust backends but also ensuring a seamless integration with the frontend components. I have considerable expertise in microservices architecture - a vital knowledge for building scalable web portals like yours. In addition, my proficiency in .NET Core aligns perfectly with your project's requirements — rejuvenating your web portal while adhering to industry-accepted standards is something I am 100% committed to. My extensive experience using cloud platforms like AWS and implementing CI/CD for continuous deployment make me a perfect candidate for your project. Adept in containerization tools like Docker, I can help streamline your deployment process resulting in an efficient and reliable software deployment pipeline. I understand the importance of clear communication to ensure a successful project completion. You can expect daily updates, realistic timelines, and no ghosting from my end. With a 98% on-time delivery rate, you can trust that I'll get the job done within schedule or even before. Make a smart decision today by hiring me as your backend developer—I won't just give you clean codes, rather I'll provide you with elegant solutions that enhance the entire application experience. Think reliability, scalability, efficiency - think Jaimish!

@mubeenm5026

With deep expertise in API and backend development, I'm confident in my ability to build and maintain the robust backend you're seeking for your web portal. Over the past 10 years with my team at Web Crest, we've consistently delivered intelligent, scalable solutions utilizing microservices architecture similar to what you have in mind. Our skills also extend to deploying these solutions on AWS using CI/CD pipelines efficiently. Beyond simply meeting your technical requirements, one thing that sets us apart from others is our approach of practical innovation. This means understanding the unique needs of your business and building systems that not only align with your current goals but also have the potential to grow with you. In line with this project's needs, I have experience integrating different components like eCommerce stores or AI-powered systems and hosting them on optimized environments at AWS or other clouds. Lastly, our pricing is transparent and competitive, fitting for a long-term partnership rather than a one-off project. Let's collaborate & turn your vision into reality!

@osamak74

Hello, Your portal needs a backend that is modular, reliable, and easy to deploy, and the mix of .NET Core, microservices, AWS, and CI/CD suggests a project where structure matters as much as implementation. I can build the backend with clean service boundaries, well-documented APIs, and deployment flow that supports future growth without turning into a monolith. I’ve spent years building API-driven web systems and backend services in .NET and related stacks, including integrating third-party APIs, designing database-backed services, and setting up maintainable release pipelines. For a portal like this, I would start by reviewing the domain flow, defining service responsibilities, and then implement the core APIs, auth, and integration points with testing and deployment in mind. This kind of project is realistic, but the exact scope depends on how many services, integrations, and environments you need. If you already have architecture notes or an existing codebase, I can align to that and improve it without unnecessary rebuilding. Monthly rate expectation: INR 1,80,000-2,20,000 depending on scope. I can start anytime and work full-time. I look forward to working with you. Regards, Osama

@mayr81

Hi there, thanks for sharing your need for a .NET Core backend for your web portal. I’m a freelancer who builds production-grade backend services using .NET Core and clean, scalable API design. I specialize in microservices architecture, designing contracts and service boundaries so your portal can evolve without painful rewrites. For AWS, I can help with the right service choices and robust deployment patterns, plus integrations for logging, monitoring, and secure access. I also implement CI/CD pipelines to automate builds, tests, and deployments, using repeatable release practices that reduce downtime and regressions. To make sure I align with your current setup, I can also ask: which AWS services are you already using (e.g., ECS/EKS/Lambda, RDS, S3)? And what level of API integration do you expect at the start, REST only, or also event-driven communication?

@chiragpipal

⚠️ If you're not happy, you don’t pay. ⚠️ --- Hi there, Thank you for sharing the project details. I can build your web portal backend using .NET Core with a robust, scalable, and efficient design. I will deliver: • Microservices architecture implementation • AWS integration • CI/CD setup for streamlined deployments • Expertise in backend development You will also receive ongoing support and documentation for seamless maintenance. I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag.

@Bidding5

Hi, I hope you are doing well. I am writing to express my interest in the .NET Full Stack Developer opportunity. With over 18 years of experience in designing, developing, and maintaining robust web applications using ASP.NET, .NET Core, MVC, and SQL Server, I bring extensive expertise in backend development, API integration, performance optimization, and troubleshooting. Throughout my career, I have successfully delivered and supported enterprise-level applications, including: • News and data-driven platforms with real-time updates and high-performance architecture • E-commerce and healthcare solutions with secure APIs and scalable system design • Booking and management systems built using .NET Core, Web API, and SQL Server • API optimization, load handling, and system reliability improvements • microservices architecture, AWS CI/CD and deployment management for enterprise applications My strengths include rapid issue resolution, application stability, system optimization, and delivering seamless user experiences. I am committed to maintaining high-quality code standards while ensuring reliable and scalable solutions. I would welcome the opportunity to discuss how my experience and skills can contribute to your team on a freelance basis. Thank you for your time and consideration. I look forward to hearing from you. Best Regards, Abhay

@dushyant317

Hello, I am with experience in .NET Core backend development, microservices architecture, AWS cloud services, CI/CD pipelines, and production deployments. I can design scalable APIs, implement clean service boundaries, and manage end-to-end deployment workflows. My expected monthly rate is negotiable based on project scope and engagement duration.

@smitk9999

Hello, I can build the backend for your web portal in .NET Core with clean APIs, microservices architecture, AWS deployment and CI/CD pipelines. I’m an individual freelancer, not an agency. I have 7+ years of experience building backend systems, .NET Core services, REST APIs, database models, cloud deployments and production CI/CD workflows using GitHub Actions and AWS. I’m comfortable working independently with existing frontend teams and keeping the backend scalable, documented and easy to maintain. I’ll structure the services clearly, handle API integrations, environment configuration, deployment flow, logging and production-readiness from the start. My monthly rate expectation is $6,000 to $7,500 depending on scope and hours required. I’m available 30–40 hours per week and ready to start. Best, Smit

@mundadiya

With my 15+ years of web development experience, I am well-versed in various areas including .NET, API Development and Integration. Throughout my career, I have successfully completed numerous projects similar to what you require. Some of which included building full backend systems from scratch, microservices architecture, and deploying web applications on AWS using CI/CD. Moreover, having a prestigious list of clients who've left glowing reviews about my services, I can assure you of quality work and timely delivery. My knowledge and expertise extend to AWS, microservices architecture, CI/CD and much more - which are the absolute pre-requisites for this project. Additionally, my fair pricing strategy along with complimentary advice for your application distinguishes me in this competitive market. Let me take your vision forward with the perfect blend of skills & dedication. Looking forward to collaborating with you on this transformative project!

@abhiramukk

Hi, This is AB from United Kingdom. I have extensive experience in developing backend systems using .NET Core, with a strong understanding of microservices architecture, AWS, CI/CD, and deployments. I have successfully built similar systems in the past, ensuring scalability and maintainability. One question I have is regarding the specific requirements for the web portal's deployment strategy. Are there any specific tools or platforms already in place that need to be integrated with the CI/CD pipeline? Looking forward to the opportunity to discuss this project further and provide insights on how we can ensure a robust backend solution for your web portal.

@Georgeoustar

Hi, I’ve built backend systems in .NET Core for web portals using REST APIs, microservices, AWS services, SQL and NoSQL databases, CI/CD pipelines, and production deployment workflows. I’ve also worked as an individual freelancer on similar projects where I handled service architecture, API development, authentication, database design, logging, cloud deployment, and ongoing backend maintenance. For your portal, I can help design and build clean .NET Core microservices, set up AWS infrastructure, configure CI/CD, manage deployments, and keep the backend scalable and maintainable. I’m comfortable working directly with your team, reviewing an existing codebase if needed, and communicating clearly throughout development. Best regards, George

@collenliebenberg

I see you need a .NET Core backend developer for a web portal project. I'd build this using my expertise in microservices architecture, AWS, CI/CD, and efficient deployments. This will allow you to have a robust and scalable backend system for your web portal. I've worked with various service-based businesses, ensuring seamless backend operations and optimal performance. Quick question: What specific functionalities are you looking to incorporate into your web portal? Regards, Collen Jr Liebenberg