.NET Jobs

I have a desktop application that was originally compiled in C#. Its only task that now needs attention is the SMS routine. At the moment the program calls a small, home-grown web service; I can share full documentation for that existing endpoint so you will immediately see the parameters and payload it expects. Here is the new goal: whenever the application sends a message it must instead post to Africastalking’s bulk messaging REST endpoint ( ). All other behaviour in the app should remain untouched. so you can focus purely on refactoring the SendSms() logic, wiring in the required headers, URL parameters, JSON body and authentication for Africastalking. Deliverables • Updated source files (or a self-contained class / DLL) that replace the current SMS method • A...

Microsoft Teams refuses to sign in on my Windows Mobile handset and only returns “Authentication failed.” The same credentials work perfectly on desktop and web, so the issue is isolated to the phone. I’m not sure whether the device received a recent OS update, and I also don’t know if any MFA requirement is silently blocking the session. Your job is to pinpoint the exact cause—whether it’s cached tokens on the device, an outdated Authenticator configuration, a conditional-access rule in Azure AD, or something else entirely—and restore normal sign-in. I can provide remote access or join a screen-sharing session so you can collect logs, review Intune/Endpoint Manager settings if present, and run any diagnostics you need. Acceptance: I enter my u...

I need a lightweight Windows desktop application that keeps local Microsoft SQL Server databases in step with a master copy stored in Dropbox. Each time we export a fresh SQL dump (or .bak) into a dedicated Dropbox folder, the app should: • Detect the newest file, download it, and restore/overwrite the user’s local database. • Record and display the exact date-and-time of the last successful sync on the main screen. User management is simple but essential. New users create an account with email and password; those credentials must be validated against a small admin-managed list stored centrally (a table in the same master DB or a lightweight cloud file is fine). If I mark an account as deleted in the admin panel, that user’s local database files should be remove...

I have a couple of active web projects that need an experienced developer comfortable in both ASP.NET and PHP. Some modules are already live, others still sit in prototype form, so you may be writing fresh components one day and refactoring legacy code the next. Your day-to-day work will revolve around: • Implementing new features that slot cleanly into the existing architecture • Squashing bugs and tightening security in the older code paths • Writing clear, well-commented code and concise commit messages so future maintenance stays painless You’ll work in Git, commit to feature branches, and open pull requests for review. When you push an update, I’ll test it on a staging server and give feedback within 24 hours—rapid iterations matter to me. ...

I have a complete Figma prototype for a schools-list portal that connects parents, teachers and school administrators. I now need it brought to life as a fast, SEO-friendly Angular 16+ web application with server-side rendering. Scope of work • Translate every Figma screen into pixel-perfect, responsive Angular components (mobile and desktop). • Wire the UI to my existing .NET REST APIs. • Enable Angular Universal so that pages such as /schools-in/:city, /schools-in/:city/:area and /school/:slug render on the server for optimal crawlability. • Implement full authentication and role-based authorization; each authenticated user (Parents, Teachers, School Administrators) must be able to view information, and where appropriate edit it. • Keep the codebase cl...

I’m a .NET WinForms Developer with 5+ years of experience. I build and maintain desktop business applications including POS/Inventory/Accounts modules, reporting, integrations, and database-driven systems (SQL Server). My Skills C#/.net/Crystal Report/DevExpress/Global Payment/QuickBooks Desktop I’m looking for a freelance sales agent / lead generation partner who can find and bring software development clients for me on a commission basis. What you will do Find businesses that need Windows desktop software or maintenance/enhancements of existing .NET apps Reach out (LinkedIn, email, freelancer platforms, your network) Qualify leads and book calls with me (Optional) Help close deals Typical work I can deliver WinForms desktop applications (ERP/POS/Backoffice tools) B...

WHAT I NEED Microsoft 365 tenant audit, cleanup, and documentation for an established SMB with multiple domains, mailboxes, and shared resources. The tenant has grown organically and needs structure. DELIVERABLES (FIXED SCOPE — DO NOT PROPOSE EXTRAS) 1. Audit of current tenant: - All users, licenses, roles - All domains and email addresses - All shared mailboxes and distribution groups - All SharePoint sites and OneDrive storage - All groups and teams - Current permissions and access levels 2. Written recommendations document (PDF) covering: - What to keep, what to remove, what to restructure - Proposed access matrix — who should have access to what - Proposed folder structure in SharePoint/OneDrive - License optimization (we are probably over-...

We are looking for an experienced C#/.NET developer with proven experience in hardware or industrial system integration. Project Overview: Build a system consisting of: 1. ASP.NET Web Application (MVC or Razor Pages) 2. Windows Desktop Application (WinForms or WPF) Both must share the same SQL Server database and consistent business logic. Core Requirement: The system must communicate in real-time with a pharmaceutical instrument via USB/COM (Serial Port). Command formats and response samples will be provided. Key Responsibilities: * Implement serial communication (send/receive, async, error handling) * Parse and validate device data * Store results in SQL Server * Build API or service layer for communication between web app and device * Ensure stable and reliable real-time operation...

The project involves building two tightly-coupled applications that share the same SQL Server back-end: • an ASP.NET-based web application for browser access, and • a Windows desktop client for on-site workstations. Both fronts must read from and write to the same database tables so users experience identical business logic and data integrity no matter where they sign in. Core requirement The system has to communicate in real time with a pharma instrument connected over USB/COM (exact protocol documentation will be provided). I will supply sample command sets and expected response frames; the software must initialize the device, capture measurement data, validate it, and commit the results to SQL. Typical workflow 1. User starts a test from either front-end. 2. The a...

StepWise and .NET Job Support Expert (REST/SOAP APIs | SQL | Excel) We are looking for an experienced professional to provide **real-time job support** for a StepWise Developer role (Optum platform / .NET ecosystem). Role Type: * Remote job support (2–3 hours daily) * Live sessions via Google Meet * Long-term engagement Required Skills: * Microsoft .NET / ASP.NET * Hands-on experience with StepWise (Optum) * strong experience with workflow / rating engines (insurance/healthcare domain) * REST & SOAP APIs * SQL Server (queries, database handling) * Advanced Excel (formulas, data handling) * Experience with enterprise application support Responsibilities: * Provide live troubleshooting support * Assist in debugging real-time issues * Help with workflow automation and inte...

Windows Systems Developer: Remote Desktop Capture & Input via IDD (Indirect Display Driver) or Mirror Driver Project Description: We are looking for an expert Windows Systems Engineer to develop a high-performance screen capture and input injection module similar to UltraViewer, TeamViewer, or AnyDesk. The goal is to bypass the "Black Screen" limitation on secure desktops (Winlogon, UAC, and Lock Screen) without requiring the user to disable security features. The module must be able to capture pixels from the Secure Desktop (Winlogon) and inject keyboard/mouse input with high integrity, ensuring full control even when no user is logged in. Core Deliverables: Driver-Level Capture: Implementation of an Indirect Display Driver (IDD) or WDDM Mirror Driver to capture frames direc...

Project Title: Development of a Desktop Audit Application with Online Access (Based on Existing Excel Lead File) Project Overview: We are an accounting and audit firm currently using an Excel-based lead file as a core working tool for audit assignments. As part of our internal development strategy, we want to transform this Excel file into a structured, professional desktop application with secure online access. Objective: Build a robust application that allows audit team members to perform lead work digitally, with workflow management, hierarchical validation, and centralized data control. Scope of Work: 1. Core Transformation * Convert the existing Excel file into a functional application while preserving all logic, structure, and calculations. * Ensure high data integrity and consi...

I’m building a browser-based application and the user interface must be its standout feature. All screens are already drafted in Figma; what I need now is production-ready code that brings those designs to life with React while talking seamlessly to a .NET back end and a MySQL database. Front end • React (hooks, Context or Redux, functional components) • Fully responsive layout, pixel-perfect against the Figma files • Component library is flexible—Material UI is my current choice, but if you have a stronger suggestion, let’s discuss. • Smooth state management and graceful error handling Back end • .NET 6/7 API endpoints that the React front end can consume • Clean separation of concerns, dependency injection, and unit tests Dat...

I need a detail-minded partner who will keep every cell-tower job on my radar from day one until the package is in the client’s inbox. All coordination with foremen currently runs through email, so you must be comfortable driving progress there while bringing structure to the way we capture and store information. Day-to-day you will confirm that the crew snaps all required “before” and “after” photos, chase anything missing, and maintain a live tracker that shows where each site stands. When the work wraps up, you will compile and submit a clean close-out packet that always includes: • Work completion certificates • Full photo documentation (start and finish) If you already have a preferred tracker or software, let me know—our present setu...

I need a repeatable way to trigger Blue Screen of Death events that clearly originate from software-level faults. The goal is purely technical support: I have to reproduce real-world crash scenarios in-house so my help-desk team can practise diagnosis and recovery before we touch customer machines. Here is what I expect: • A small utility, script, or driver that forces a BSOD by invoking the appropriate bug-check routines or other accepted methods. • The crash must be flagged by Windows as a software error, not a hardware failure or driver conflict. • Compatibility with at least one modern Windows build is mandatory; if you can keep the same approach working on 10, 8, or 7 that’s even better. • A concise read-me explaining how to run the trigger, how to ...

The project is to (rewrite / migrate) the Clinic Management System which was originally built upon an old .NET Famework to .NET DOTNET WINFORMS application using DevXpress components. So, the developer should have experience with WinForms applications and experienced in implementing DevXpress components (this is must). Existing App Demo: (Password will be provided upon request) Functionalities Include: 0. Add/ Modify Family Head 1. Add / Modify Family 2. Add / Modify Patient 3. Add Medicines (Treatement / Symbols / Pathology / Provisional Dianosis) 4. Add / Modify Visits 5. Regular Medication Form 6. Changed Medicaiton Form 7. Find Patient From 9. Find Family Form 10. Additional Info form (Add / Modify) 11. Reception Generation Form (Add / Edit - Complex form to club visits for single pa...

StepWise / .NET Job Support Expert (REST/SOAP APIs | SQL | Excel) We are looking for an experienced professional to provide **real-time job support** for a StepWise Developer role (Optum platform / .NET ecosystem). Role Type: * Remote job support (1–2 hours daily) * Live sessions via Google Meet * Long-term engagement Required Skills: * Microsoft .NET / ASP.NET * StepWise platform (or similar workflow/rating systems) * REST & SOAP APIs * SQL Server (queries, database handling) * Advanced Excel (formulas, data handling) * Experience with enterprise application support Responsibilities: * Provide live troubleshooting support * Assist in debugging real-time issues * Help with workflow automation and integrations * Guide through complex logic and system behavior Engagement...

Tôi cần xây dựng một blog cá nhân bằng ASP.NET, định hướng đăng tin tức. Trang phải: • Quy trình đăng, sửa, xoá bài viết đơn giản, kèm trình soạn thảo WYSIWYG. • Phần hiển thị “Tin tức” rõ ràng, dễ đọc trên cả desktop và mobile (responsive). • Bộ lọc chuyên mục (category filtering) để người đọc nhanh chóng chọn chủ đề quan tâm. • Mã nguồn sạch, tách lớp (MVC hoặc .NET Core Razor Pages đều được), dễ mở rộng. • Cấu trúc cơ sở dữ liệu hợp lý, seed dữ liệu mẫu để tôi kiểm thử ngay. Ưu tiên freelancer có kinh nghiệm ASP.NET, Entity Framework và giao diện hiện đại. Vui lòng kè...

I need an experienced hand to turn my paper-based business process into a streamlined digital flow using Microsoft Power Apps and Power Automate. The goal is simple: remove manual data entry, pull information from several sources, and keep everything synced in real time. Here’s what I have in mind • A user-friendly Power App (tablet and web) that captures our operational data and writes it to the right data store—most likely SharePoint lists or a SQL table, but I’m open to your recommendation. • One or more Power Automate flows that collect and integrate that data, move it between systems, and handle any branching logic we need. These flows should run automatically, with clear error handling and logs so we can track issues without digging through the portal...

Senior .NET (C#) Developer with WEBRTC and HLS Live Streaming Experience (Freelance) We are building a live streaming and creator engagement platform. The platform allows creators to: go live (public broadcast using HLS) host private 1-to-1 sessions (WebRTC) host group sessions (WebRTC) interact with users via chat(SignalR) receive tips and payments We are looking for an experienced developer who can build scalable live streaming infrastructure using HLS for broadcast and WebRTC for private sessions. Key Responsibilities Develop backend APIs using ASP.NET Core (.NET) Implement HLS-based live streaming pipeline for public broadcasts Integrate video pipeline (FFmpeg / RTMP ingest → HLS output) Work with streaming servers/CDN (NGINX RTMP, AWS Media Services, or similar) Implement We...

Summary Senior Software Engineer – Centric PLM Migration (C# / .NET) Duration: 6 months, full-time (~40 hrs/week) Location: Remote Overview: Fabletics is migrating its Product Lifecycle Management system from Centric PLM 7.2 → 8.0. A migration engine already exists in C# (.NET 4.7.2). This role is to take ownership of that codebase, stabilize it, and drive it to production. This is not a greenfield build. You will be working with: - real production data - live APIs with inconsistent behavior - complex dependency ordering across product hierarchies You should be comfortable stepping into an incomplete system and making it reliable. What You’ll Own: Migration Engine (C# / .NET 4.7.2) - Read from Centric 7.2 PostgreSQL HSE tables (ed_style, ...

I’m starting a new C# web project and need someone to spin up a clean, well-structured ASP.NET Core application focused on user authentication. The goal is to have a solid foundation that lets me plug in future features without having to revisit the sign-in logic later. Here’s what I need right now: • A fresh ASP.NET Core solution configured for Web API + Razor (or minimal API if you prefer) • Secure registration, login, logout, and password-reset flows backed by Entity Framework Core • Email confirmation and password recovery endpoints wired to a test SMTP provider (SendGrid sandbox or similar is fine) • Role or claim support so I can gate certain pages behind Admin or Member access later • Well-commented code, clean folder structure, and a ...

I already have a fully packaged code-base for an existing tool and now I need a fresh Windows desktop application that mirrors its user-interface one-for-one. You will receive the current package, screenshots of every screen, and a short walkthrough video; your job is to translate that experience into a modern, maintainable Windows executable. The core logic is in place, so the assignment is almost entirely about recreating the UI: layouts, navigation flow, dialogs, and visual behaviour. Feel free to propose WinForms, WPF, Electron, or any other Windows-friendly framework you are comfortable with as long as the final result installs easily and runs smoothly on Windows 10 and 11. Good naming conventions, clear project structure, and concise in-line comments are essential because this cod...

I’m expanding an e-commerce platform built in ASP.NET and need a developer who can stay with the project long term. The core work revolves around three pillars: solid user authentication, seamless payment integration, and reliable product catalog management. Where you’ll really make a difference is in automated document printing. Every order should trigger receipt, invoice, and shipping-label output without manual clicks, working smoothly across common browsers and printers. If you’ve already tackled auto-printing in web apps—handling silent printing, printer selection, and layout fine-tuning—you’ll feel right at home here. We iterate quickly, so clean, well-commented C#/ASP.NET code, Git familiarity, and clear communication are essential. Let me k...

We need an experienced SharePoint expert to build an advanced, reusable set of rules that can streamline how our team collects, classifies, and preserves legal evidence. The goal is to ensure that all records received in any form—such as uploaded files, emails, and scanned court documents—are automatically moved to the correct library, receive appropriate metadata, and have the correct permissions and retention settings applied, all without manual intervention. The key points I am already aware of are as follows: • Rule-based routing that operates based on metadata or content types • Automatic versioning and locking of evidence to prevent accidental overwriting or deletion • Searchable, tamper-proof audit logs What we will provide is: • SharePoint tena...

Build a business automation system (ERP) with desktop application, mobile app, workflow, contracts management, and OTP authentication using .NET and Flutter

At Cannitix Solutions Pvt Ltd I am expanding a distributed product team and need a full-time developer who is equally comfortable crafting API-driven back-ends and polished user experiences. Your day-to-day work will revolve around building and extending scalable web applications in .NET Core, persisting data through Entity Framework, and delivering dynamic front-end interfaces with Angular. You will collaborate directly with other engineers, designers, and product stakeholders through Git, pull-requests, stand-ups, and short feedback loops. Clean code, readable tests, and maintainable architecture matter to us as much as shipping on schedule. Key areas you will own: • Designing and implementing RESTful services, business logic, and data layers in .NET Core + Entity Framework ...

Need help fixing the error message, "Compiler Error Message: CS0433: The type 'SitePage' exists in both 'c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Filesroot9b6a826f417c9158[login to view URL]' and 'c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Filesroot9b6a826f417c9158[login to view URL]'