Thorough .NET Developer for E-commerce Fix

@Microlent

Hello, I understand that you are in need of a skilled .NET developer to address a specific issue within your wine e-commerce platform. My expertise lies in working with C#, ASP.NET Core, Entity Framework Core, and SQL Server, making me well-equipped to handle the backend flow intricacies you mentioned. Having experience in debugging production code, I am confident in my ability to review the existing code, pinpoint the root cause, and implement a clean fix while ensuring the continued functionality of your platform. I am well-versed in ASP.NET Core Web API, C# business logic, Entity Framework Core, SQL Server, REST APIs, and various testing methodologies. I am eager to dive into this task, resolve the issue efficiently, and provide you with a seamless solution. You can view examples of my past work in my portfolio here: https://www.freelancer.com/u/Microlent If you would like to discuss this project further or have any questions, please feel free to open a chat. I am ready to start immediately and help enhance your e-commerce platform. Sincerely, Rajesh

@vano101

Hi, I’m an experienced C#/.NET developer and can investigate the existing ASP.NET Core backend, trace the issue through the API/business logic/EF Core/SQL flow, identify the actual root cause, and implement a focused fix without unnecessary scope expansion. I’m comfortable working with existing production code, Entity Framework Core queries, SQL Server, REST APIs, validation, exception handling, and regression testing. Before starting, I’d like to see the exact issue/reproduction steps and the relevant error or unexpected behavior. If available, access to the affected code/API endpoint and database schema or sample data would help me diagnose it quickly.

@a4logic

Hello, With over a decade of experience under my belt, working on various mission-critical projects, I can confidently say I possess the skills necessary to tackle your particular C# quandary efficiently and accurately. From API logic to SQL queries, I have a profound understanding of ASP.NET Core, Entity Framework Core, and SQL Server that will enable me to delve right into your existing codebase and identify the root cause. Meticulousness has been my hallmark throughout my career. I take pride in writing clean, maintainable code that not just rectifies the issue at hand but also ensures long-term stability. Whether it's inventory checks, cart behavior, checkout processes or order processing; every aspect of your E-commerce platform will be reviewed with unmatched attention to detail. Furthermore, I highly value transparent communication and prompt support. With my collaborative attitude and adherence to deadlines, I ensure not only an effective resolution but also 100% client satisfaction. Your fixed-price task won't expand its scope on unnecessary fronts as I am skilled in focusing squarely on the specific problem to deliver optimal outcomes within budget. Choose me for an impeccable project completion that exceeds your expectations - let's embark on this troubleshooting journey together! Thanks!

@ykarora26

With extensive experience in .NET development, including ASP.NET Core and Entity Framework Core, I can swiftly tackle the backend issue in your wine e-commerce platform. My expertise in debugging, API logic, and database queries align perfectly with your requirements. Could you provide access to the relevant codebase for a quick assessment? Regards, Yogesh Kumar

@jayprakashyadav

Hello, I will take care of your .NET e commerce issue with ASP.NET Core Web API and C# business logic. I have strong level experience to fix API logic, Entity Framework Core queries, SQL Server data and checkout flow. I can also handle validation, exception control and a basic unit check after the fix. ✔ Issues I Will Fix: • ASP.NET Core Web API and C# logic • Entity Framework Core and SQL Server query issue • Inventory cart checkout or order flow • REST API validation and exception control • Basic unit or regression check Note: I will keep the fix limited to the reported issue without scope expansion. FYI: I can start immediately with the current code and locate the exact backend issue. Please message me on chat to discuss the affected API flow and required fix. Kind regards, JP Yadav

@bcosley

Hi, I understand you need a focused, production-safe fix for an existing wine e-commerce backend built with C#, ASP.NET Core, EF Core, and SQL Server. I’ve handled similar backend fixes where a small API or checkout flow bug requires a precise, production-safe adjustment with minimal surface area. I’d start by reproducing the issue in QA, tracing the failing path through the API, and implementing a minimal fix that preserves current behavior while adding targeted validation to prevent regressions. One technical risk is a race on inventory or order state during checkout; I would guard updates and verify EF Core tracking to avoid stale reads. What tests exist for the checkout path, and where should I validate the fix with production-like data? What should happen if inventory lag affects cart items during checkout, in terms of client response and retries? If we're aligned, I can outline the implementation phases before kickoff. Best regards, Brandon

@denisSolution

Hi, I'm Denis, a full-stack developer who has spent considerable time working with ASP.NET Core backends, Entity Framework, and SQL Server databases. I understand what you're looking for here. You have a production issue in your wine e-commerce platform and need someone to quickly identify the root cause, fix it cleanly, and verify that existing functionality remains intact. That's straightforward work if approached methodically. I've debugged similar systems before where the problem often sits at the intersection of API logic, inventory state, and order processing. The key is understanding the current flow without making assumptions, then isolating exactly where things break. My approach would be direct. First, I'll review the relevant code sections and understand how your cart, checkout, and order processing interact with your database queries. Then I'll reproduce the issue to confirm the root cause. Once identified, the fix itself is usually straightforward. After that, I'll run through the affected workflows to make sure nothing else broke in the process. The main thing with existing codebases is that changes can have ripple effects you don't immediately see. I'll be careful about that and test the relevant paths before calling it done. I'm comfortable with the scope and the budget. I can start right away and focus only on solving this specific issue without scope creep. I can start working right away. Let's connect and discuss the details. Thanks, Denis.

@fullstack0407

Hi there, I understand you need a focused fix in an existing .NET wine e-commerce backend, without expanding the scope unnecessarily. The main task is to trace the current flow, identify the root cause and safely fix it. I have experience with C#, ASP.NET Core Web API, Entity Framework Core, SQL Server, REST APIs, business logic and production debugging. I can review the relevant API/business logic, database queries and validation flow, then implement the fix and test the affected functionality to make sure existing behavior is not broken. One quick question: can you share the exact issue/error and the relevant API or checkout flow so I can estimate the fix before starting? Best regards, Amarjeet

@SmartCodeDev

Hello, I can focus on the exact production issue and keep the work inside your $30 scope. I’ll trace the request from the ASP.NET Core API through C# business rules, EF Core queries, inventory, cart, checkout, and order updates until the real cause is clear. Then I’ll apply the smallest clean fix, improve validation or exception handling where directly needed, and test both the failing case and the nearby purchase flow so one repair doesn’t break another part. I’ve handled similar e-commerce, subscription, payment, API, and database workflows, including: https://www.freelancer.com/projects/payment-processing/Subscription-Management-Payment-System-40208006 https://www.freelancer.com/projects/payment-gateway-integration/Urgent-Django-Commerce-System-with Please share the error details, steps to reproduce, and repository access. I can start immediately and first confirm the cause before changing code.

@topcreator100

Hi , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js 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, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in REST API, .NET Core, C# Programming, Angular, ASP.NET, .NET, MySQL, Debugging, API Development and Microsoft SQL Server. 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.. Appreciate your prompt response

@sf264

Hi there, I can quickly trace the issue in your existing wine e-commerce platform across ASP.NET Core, C# business logic, EF Core, SQL Server, and the affected API flow, identify the root cause, and apply a clean focused fix without unnecessary changes. I’ll also verify the related cart/checkout/order functionality and test the fix to avoid regressions. I’m comfortable working with existing .NET production code and can start immediately. If you share the exact issue or reproduction steps, I can take a look and get straight to the cause. Best regards, Fahad.

@sasaprogramer21

Hello, ".NET E-COMMERCE FIX" - you need the real backend cause found and fixed without creating new issues in the live shopping flow. The challenge is isolating the fault quickly when inventory, cart, checkout, and order logic are connected. I’ll trace the relevant flow, identify the root cause, apply a focused fix, and verify the existing behavior remains reliable. I’ll work with ASP.NET Core, C#, Entity Framework Core, SQL Server, REST APIs, validation, exception handling, and regression testing. The fix will stay secure, fast, maintainable, and focused on the existing scope, with smooth behavior across desktop and mobile. I’ve handled C#, .NET, SQL Server, API integration, debugging, database work, and software testing. That experience fits diagnosing and safely fixing this existing e-commerce flow. Budget: $30 Best regards Aleksandar

@TechizeBuilder

Dear Client, I read "Thorough .NET Developer for E-commerce Fix" carefully and understand you need a high-quality eCommerce mobile application that delivers a seamless shopping experience and drives sales. My hands-on experience with .NET, C# Programming, MySQL, ASP.NET, Microsoft SQL Server, .NET Core, Angular, API Development aligns directly with what you need. I've built eCommerce applications with product catalogs, category management, advanced search, shopping cart, secure payment gateways, order tracking, user authentication, push notifications, wishlist, coupons, reviews, and admin dashboards — all designed for scalability, performance, and an excellent user experience. A few quick questions to get us started: 1. Do you already have UI/UX designs, or should I design the application as well? 2. Which payment gateway(s) and shipping providers would you like to integrate? 3. Do you need a customer app only, or also an admin panel and delivery partner application? Thanks & Regards, Deepak

@longngoc2307

==== Hi - Truong here ==== ".NET E-COMMERCE BACKEND BUG FIX" - you need the actual root cause found and fixed without disturbing working cart, inventory, checkout, or order logic. I’d trace the request from the API endpoint through C# business logic and EF Core queries into SQL Server, then fix only the failing path. I’d also test the affected flow and its nearby regression cases so the fix does not create a second checkout or inventory issue. Can you share the exact error or failing behavior, along with the affected API endpoint if you already know it? Looking forward to work with you.

@aghazi

Hello, I read your brief on "Thorough .NET Developer for E-commerce Fix" and this is squarely what we do. We build API automations and bots in PHP and Python — queueing, retries, error handling and logging, not a script that works once. How I would approach it: 1. Reproduce the fault and identify the root cause. 2. Fix it and verify the case that was failing. 3. Check nothing adjacent broke, then hand over. Price: 75.0 USD fixed, delivered in 1 days. One question so I quote you accurately rather than guess: do you already have API access/credentials for both sides, or should I include obtaining them in the scope? AIT Systems — software company since 2010, 4.9 stars over 72 projects here, 100% on time and on budget. Ahmed

@kishanbwts

I can quickly dive into your existing codebase, review the backend flow around API logic, database queries, and checkout processes to pinpoint what’s causing the issue. In a past project for a retail e-commerce site, I tackled a similarly tricky order processing bug that involved inventory checks and payment validation, fixing it without impacting other functionality. Can you share which part of the flow shows errors or unexpected behavior? Also, do you have any recent logs or error messages from production? This info helps me isolate the problem faster. I will focus solely on the issue you described, avoid scope creep, and verify the fix with targeted testing so nothing else breaks after. Ready to start as soon as you share access.

@CorporateRD

Good day, Based on your requirements, I understand that you are looking to fix a specific backend issue in your existing wine e-commerce platform, identifying the root cause within the current C# / ASP.NET Core application and applying a focused fix without expanding the scope unnecessarily. From a technical perspective, I’d work directly with the existing C#, ASP.NET Core Web API, Entity Framework Core, and SQL Server codebase. I’d trace the affected API/business flow, review the relevant database queries and validation logic, reproduce the issue, implement the cleanest targeted fix, and run focused regression/unit testing to confirm that the existing checkout, cart, inventory, and order functionality remains stable. Questions: Could you please share the exact issue/error and steps to reproduce it? Which flow is affected inventory, cart, checkout, or order processing? Do you have a staging environment or recent error/log details available for debugging? I can start immediately and keep the implementation limited to the required fix within your $30 fixed budget. Kind Regards, Royal designs Availability: Immediate and budget, for now its placeholder.

@socialogram

The checkout failure in a wine store usually traces back to stock being decremented before payment confirmation, which leaves carts and inventory out of step once an order fails. I would trace that path first, from the cart API through the order save. I would start by reproducing the fault against your SQL Server data, then follow the call chain through the ASP.NET Core Web API into the Entity Framework Core queries, watching the change tracker and transaction boundaries around checkout. The usual culprit is a DbContext held too long across a request, or a SaveChanges split over two transactions, so the inventory row locks before the order is committed. I would confirm the actual cause before editing, apply the smallest fix that keeps existing behaviour intact, then add a regression test covering the failing flow plus a retest of the surrounding cart and order paths. You get a short note explaining the cause and the change. Which single flow is failing, checkout, cart update, or stock sync? I can start today. Share the repository access for the relevant branch and I will pinpoint the root cause within a day.

@ankits0192

Hello, I understand you need a focused fix in an existing wine e-commerce platform rather than a broad redevelopment. I can trace the affected ASP.NET Core Web API flow from the endpoint through C# business logic, Entity Framework Core and SQL Server to identify the actual root cause before changing anything. I’ll review the relevant API logic, database queries, validation, inventory/cart behavior, checkout or order processing depending on where the issue occurs, then implement the smallest clean fix without unnecessarily touching unrelated functionality. Afterward, I’ll test the affected flow and perform targeted regression checks to ensure existing behavior remains stable. I’m comfortable working directly within an existing codebase and can quickly understand unfamiliar project structures, models, services and REST endpoints. If you provide the repository and the exact issue/reproduction steps, I can start immediately and focus strictly on the defined scope. Looking forward to work with you. Thanks