ASP .NET Backend Developer Needed – Long-Term Work (India, Pakistan, Nigeria) -- 2

@leadconcept

Hello, I can join your remote team as an ASP .NET / ASP .NET Core backend developer, delivering clean, well-documented REST APIs, fixing authentication, login, database, and integration issues, and collaborating closely with your frontend and QA teams. I am experienced with SQL Server, stored procedures, JWT/OAuth authentication, and Bitbucket workflow, ensuring timely, independent delivery. 1, Are there any ongoing microservices or modular APIs I should prioritise, 2, Do you require Entity Framework Core for all new development, 3, Should I focus on debugging production issues or primarily on new feature development? Our team includes ASP .NET Core developers skilled in REST API design, database optimisation, authentication mechanisms, microservices architecture, and Sabre API integration, delivering structured commits and clear updates for long term projects. Please start a chat to discuss scope, milestones, and collaboration process, current bid amount is a placeholder to submit the proposal. Regards Yasir LEADconcept PS: I can share examples of previous ASP .NET Core projects, API integrations, and production debugging experience on request.

@MashoodurRehman1

I am a seasoned ASP .NET backend developer with extensive experience in ASP .NET Core and REST API development. My technical proficiency includes a solid background in SQL Server, database design, and stored procedures. I understand the complexities of authentication mechanisms such as JWT, OAuth, and API Keys and am skilled in reading existing code bases to resolve issues. With an ability to work independently and deliver timely outcomes, I am well-versed in utilizing tools like Bitbucket for version control. My expertise extends to Entity Framework Core, with a focus on creating scalable microservices and modular API designs. I have a proven track record of diagnosing and resolving production issues and writing clean, well-structured code, coupled with comprehensive documentation practices. Additionally, my familiarity with the Sabre API aligns with your preferred skills, enhancing my capability to meet project demands effectively. I am interested in discussing how my skills can contribute to your team and am available for further discussions. Could you provide more details regarding your current backend challenges? I look forward to your response.

@LiveExperts

Hello, Boasting a rich portfolio of extended software proficiency encompassing ASP .NET, ASP .NET Core, C# Programming and Microsoft SQL Server, I am excited to offer my services for your long-term Backend Developer position! Throughout my x years of diverse coding experience, I have adeptly tackled problems of various complexities - from debugging production issues to designing REST APIs. What's more, I possess a deep understanding of authentication systems (e.g., JWT, OAuth, API Keys) and Bitbucket—vital components for any Backend Developer. What separates me further is my efficient approach towards delivering on time whilst prioritizing quality and client satisfaction. Capable of working independently but also seamlessly collaborating with remote teams, I can assure you that your project will be in reliable hands. Adding to my versatile skillset is familiarity with Sabre API, an asset that could prove invaluable given its optimal integration with the travel industry. Moreover, being from [Your Country] and prior experience working in a remote capacity for clients across multiple time zones solidified my adaptability within this distributed work environment. My stellar track record of stable long-term collaborations speaks volumes about the value I bring to any project. In addition to these attributes, my competitive pricing model and weekly milestone allocation align with the budget structure you've outlined for this role. In Thanks!

@devbaloni1983

Hello, I am a .NET Developer with 15+ years of experience, specializing in building secure, scalable, and high-performance web and desktop applications. I work with C#, ASP.NET, MVC, Web API, and SQL Server to deliver robust business solutions tailored to client needs. My expertise includes custom application development, enterprise solutions, API integration, and performance optimization. Recently, I also worked on OpenAI API integration for auto-generated content, images, and social sharing, showing my ability to adopt the latest technologies. If you are looking for a dedicated .NET expert who provides quality, innovation, and timely delivery, I’d be happy to collaborate on your project.

@tangramua

Dear Robert M.,   We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time.   We are 25 years in this business and our technical specialists have strong experience in ASP, C# Programming, ASP.NET, Microsoft SQL Server, Web Development, Backend Development, API Integration, SOAP API, REST API and other technologies relevant to your project.   Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews.   Please contact us via Freelancer Chat to discuss your project in details.    Best regards, Sales department Tangram Canada Inc.     

@QutubHaider

Dear Sir, IT CAN BE DONE & WE HAVE DONE THIS TYPE OF PROJECT AND WILL BE DONE AT YOUR BUDGET You recently advertised your job posting on this website, we have worked on more than 200 computer software, websites/web portals with required API /B2B integrations, and Mobile apps. (ios&android), Betting Bot(odd/even), mobile games. We have more than 200 satisfied clients. Our skill sets:c/c++/c#/Jsp/Asp.Net/PHP/WP/Python/Pearl/swift/android studio/xamrin/react j/native etc. SCOPE of your work: ASP .NET Backend Developer Needed I WOULD LIKE TO DISCUSS THE PROJECT IN CHAT/ CALL. WE HAVE THE VOICE CALL FACILITY ON FREELANCER. SO IF YOU SEND ME A MESSAGE ON FREELANCER WE WILL HAVE A CALL/CHAT THERE. BUT IT IS MANDATORY THAT YOU INITIATE THE CHAT FIRST SO THAT I CAN REPLY AS PER FREELANCER RULES. Warm Regards, Qutub Haider

@Alesha1018

Hello, I have several years of hands-on experience building and maintaining ASP.NET and ASP.NET Core back-end systems, including REST API development, SQL Server optimisation, stored procedures, and secure authentication with JWT and OAuth. I’m interested in this long-term role because it matches the type of backend work I handle daily—maintaining stable APIs, improving legacy code, resolving authentication issues, and supporting cross-team workflows with clear communication and structured commits. I can take on your ongoing backend tasks by reviewing existing modules, refining database operations, improving API structure, fixing integration problems, and ensuring each update is well-documented, tested, and delivered on schedule. Looking forward to working with you! Can we discuss this further via private chat? Warm regards, Alesha

@mehranriaz0

Greetings, I’m excited about the opportunity to work as an ASP .NET backend developer for your remote team. You’re looking for someone with solid experience in ASP .NET and a strong grasp of REST API development, which aligns perfectly with my background. I have worked extensively with SQL Server, database design, and stored procedures, ensuring that I can effectively develop and maintain backend APIs while resolving any integration or authentication issues. Reading and improving existing code is something I take pride in, and I’m comfortable using Bitbucket for version control. I also have experience with Entity Framework Core and modular API design, which can help create a cleaner, more efficient codebase. I believe my skills and experience would make a valuable contribution to your team. Best regards, Mehran Riaz

@mkh559a5a1fd66e9

It’s a pleasure to connect with you and express my interest in becoming part of your long-term remote team as your ASP .NET backend developer. With over 14 years in the industry, I’ve honed my skills extensively. I've worked quite intimately with ASP .NET and ASP .NET Core, building powerful applications on these platforms so your APIs would be in good hands. In addition to the listed requirements, I bring valuable skills to the table that align with your preferred skills as well such as my experience with Entity Framework Core and debugging production issues. My ability to write clean, well-documented code will keep your backend efficient and easy to maintain. With my global experience and availability aligning perfectly with the countries mentioned, I offer you not just technical competence but a reflection of the diverse perspectives that can yield creative solutions. My rates are competitive and I am inclined towards long-term relationships; stability is the essence of productive work and you can count on me for that. Let's leverage my knowledge and your project vision for an impactful journey! ASP.NET Experience: 7+ years Expected: 3000 USD a month Availability: IST, EST

@mykhaylob4

✋ Hi there. I can work as your ASP .NET backend developer to maintain and improve APIs, fix authentication, and handle database and integration tasks reliably. ✔️ I have strong experience with ASP .NET and ASP .NET Core, REST API development, SQL Server, and authentication using JWT and OAuth. I have worked on projects involving Entity Framework Core, microservices design, and debugging production issues. In a previous project, I improved API performance, fixed login and token flows, and delivered clean, well-documented code with clear commits. ✔️ For your project, I will review existing code, fix backend issues, implement clean APIs, handle database tasks, and ensure authentication works smoothly. I will coordinate with your frontend and QA teams and provide regular updates to keep work on track. ✔️ I can deliver reliable, long-term backend support with organized commits and clear documentation, making sure each task is completed efficiently and on schedule. Let’s chat so I can discuss your ongoing tasks and plan my contributions. Best regards, Mykhaylo

@oleksandrf3

Hi there! It’s great to see a team seeking strong backend skills for long-term collaboration. My work with ASP .NET Core covers everything from architecting RESTful APIs, managing SQL Server databases, setting up authentication via JWT/OAuth, and troubleshooting tricky issues in legacy codebases. I’m very comfortable with Bitbucket for version control and know how to keep commits clear and communication prompt. Clean, well-documented code is just my baseline, and I bring solid experience integrating microservices and working closely with cross-functional teams. My background also includes debugging production incidents with speed and precision. My hourly rate is $15, available 40 hours per week, based in India (IST). Could you share which aspects of your current system you’d like to see improved first, or is the focus mainly on adding new features?

@aarrsoftware

I am an experienced ASP.NET/ASP.NET Core backend developer with strong expertise in REST API design, SQL Server, authentication (JWT, OAuth, API Keys), and Bitbucket workflows. I have successfully maintained and optimized legacy codebases, improved performance, and delivered secure, scalable solutions. My background includes Entity Framework Core, modular API design, and debugging production issues. I prioritize clean, well-documented code, timely delivery, and clear communication with cross-functional teams. I am eager to contribute to your long-term backend projects and ensure reliable, stable results. Experience in asp.net - 15+ years 20 CAD per hour Timezone : +5:30, India

@draganm59

Hey Robert M., Good evening! I’ve carefully checked your requirements and really interested in this job. I’m full stack developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Python, C++, C#, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in ASP, Backend Development, API Integration, Web Development, Microsoft SQL Server, ASP.NET, C# Programming, SOAP API and REST API. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thanks and Regards

@sumitwebrainbows

As a seasoned ASP .NET backend developer with over 14 years of experience, I am confident in my ability to meet your project requirements and deliver exceptional results. In addition to my extensive knowledge of ASP .NET and ASP .NET Core, I also bring valuable skills in REST API development, SQL Server, database design and stored procedures, and authentication which include JWT, OAuth, API Keys, among others – ensuring I can readily tackle any backend challenge your project presents. Beyond being compatible within your budget range for this competitive position, my primary goal is to build not just a client-contractor relationship but rather forge a long-lasting partnership supported by top-notch service delivery that not only aligns with your brand values but ultimately helps your business thrive. And with our offices located in India operating on the GMT +5:30 timezone, our availability slots should greatly accommodate your schedule. Let's get started on those stable long-term projects by choosing me Mr Sumit – a dependable professional who understands that 100% client satisfaction trumps all.

@asifkhanswati

I have over 10 yrs of experience working in ASP.Net csharp. I have used entity core framework in most of my projects. My availability is 40 hrs per week. I am adaptable to work in any timezone you like. I am from Pakistan I got great problem fixing skills. I have worked in api integration. I can develop projects from start and I also can do maintenance and enhance your existing application with new features.

@maksymh31

Hello, Robert, I’ve read your requirements for a long-term ASP.NET backend developer and will take ownership of API development, auth fixes and database stability. My approach: perform a Bitbucket repo audit and set up a local/staging environment; triage and prioritise production-impact issues (JWT/OAuth, login flows, SQL Server stored procedures); implement fixes using ASP.NET Core and EF Core where appropriate; add tests, clear commits and documentation; and coordinate with frontend and QA for integration. To start I need Bitbucket access, staging DB credentials or schema, API docs, and a current issue list. I can deliver an initial audit and prioritized plan within 3 days, then proceed on weekly milestones. Which Bitbucket repo access, staging DB credentials, and top 3 current issues can you provide first so I can begin the audit? Best regards,

@rijyel1224

Hi there, I'd love to join your team as a long-term ASP .NET backend developer. I have strong ASP .NET Core and REST API development experience, solid SQL Server skills with database design and stored procedures, deep understanding of JWT, OAuth, and API authentication, ability to debug and improve existing code quickly, Bitbucket and Git workflow experience, and proven independent work delivery. I'm also experienced with Entity Framework Core, microservices and modular API design, production debugging, and clean, documented code. I've developed backend systems using .NET Core at LearnWithSocrates, building secure REST APIs with JWT authentication, designing SQL Server schemas with stored procedures, debugging production issues, and working with cross-functional teams. I focus on clean code, clear documentation, and regular communication. My ASP .NET experience spans 4+ years with .NET Core, Entity Framework, and SQL Server. Based in Philippines, UTC+8 timezone, flexible with overlapping hours. Expected rate is $20/hour. Available for long-term stable work. Best regards, Rijyel Sevilleno

@ImadEng

Hello I am full time freelancer with more than 10 years of experience in .NET, Python, Winforms, WPF, SQL Server, .NET Core, WEB APIs, WCF, SOAP APIs, Entity Framework, Blazor, PHP, React and NODE.JS. I developed POS, Inventory Systems, Production Systems, Banking Systems and many more desktop and Web Based applications. please check my reviews before considering me. Please come on chat and lets discuss the project scope and flow in details. Thank you for reading my proposal. Regards M. Imad

@jagratip3

Dear Hiring Manager, I am excited to apply for the ASP .NET backend developer role on your remote team. I have extensive experience with ASP .NET and ASP .NET Core, including REST API development, SQL Server database design, stored procedures, and authentication using JWT, OAuth, and API Keys. I am comfortable reading existing code, troubleshooting issues, and improving functionality efficiently. I have hands-on experience with Entity Framework Core, modular API design, and debugging production issues. I write clean, well-documented code, manage organized commits, and communicate clearly with frontend and QA teams to ensure smooth project delivery. Familiarity with Bitbucket and third-party API integrations, such as Sabre, allows me to quickly adapt to ongoing projects. I am based in [Your Country] with availability in [Your Time Zone] and can work independently to deliver high-quality results. I am looking for long-term engagement and am open to competitive weekly or per-milestone compensation based on experience. Thank you for considering my application. I am eager to contribute to your ongoing backend projects. Best regards,