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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 removed automatically the next time they attempt to sync. Admin utilities I expect inside the same executable (or a separate companion tool if cleaner): • List, add, disable, or delete users. • Trigger a forced resync for any user. Security matters, yet I don’t have a fixed requirement on algorithms—use standard best practice (TLS with Dropbox API, AES at rest, hashing + salt for passwords, etc.). Tech stack is up to you, though I picture C# /.NET (WinForms or WPF) talking to the Dropbox API SDK and SQL Server via SMO or sqlcmd. I’m open to alternatives as long as they run on Windows 10/11 without extra licensing costs. Acceptance criteria 1. One-click sync pulls the latest dump from Dropbox and restores it locally without manual SQL scripts. 2. The main window clearly shows “Last synced: <timestamp>”. 3. Admin can deactivate a user; that user’s next sync erases their local DB and blocks further access. 4. Clean installer and concise README so my team can deploy the app company-wide. Let me know which libraries you’d leverage for Dropbox and SQL restore, plus an outline of your approach to user authentication and rollback handling.
Project ID: 40389055
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83 freelancers are bidding on average $1,278 AUD for this job

Hi, I ama software engineer with 20 year's experience on Windows Desktop applications. I can create a WPF C# Windows client with all the requirements you asked. Could you explain better the workflow? If I understood correctly an admin export a new backup file to to Dropbox and a registered user must import it automatically with this application. Can you confirm? Regards, Armando
$2,500 AUD in 20 days
8.4
8.4

Hello. I propose to develop a lightweight Windows desktop application in C#/.NET for syncing local SQL Server database with latest backup stored in Dropbox. User can simply click Sync button and app will automatically download latest .bak file, restore local DB and show last synced date/time on main screen. Login system will be based on email and password with admin controlled user list. Admin can add, disable or delete users and also force resync. If user is deleted, local DB can also be removed automatically. App will use Dropbox API SDK and SQL Server Management Objects with proper security and rollback handling.
$1,125 AUD in 7 days
8.0
8.0

Hi, This is Elias from Miami. I checked your project description and understand you’re looking to develop a lightweight Windows application that syncs local Microsoft SQL Server databases with Dropbox. This sounds like a great solution for managing data seamlessly! I have experience building similar applications using .NET and C#, and I understand the technical challenges involved, especially with API integrations. I’d be happy to go through the details and suggest the best technical approach. I have a few questions to get a better understanding: Q1 – What specific user roles do you envision for this application? Q2 – Are there any existing systems this app needs to integrate with? Q3 – What level of scalability do you anticipate for your database needs? Looking forward to hearing from you.
$1,200 AUD in 6 days
7.3
7.3

With a strong skill set in .NET, API integration and C# programming, I am well-equipped to deliver an elegant solution to your Dropbox SQL synchronization needs. My team at Logic Powered Solutions has had immense success designing similar applications for businesses across various industries and the capabilities you're looking for with SMO or sqlcmd database connections is right up our alley. Not only will we ensure your application syncs smoothly with the Dropbox API SDK, but we will also prioritize the security of your data using best practices such as TLS and AES encryption. Coming from a background of building various .NET applications for businesses, our focus on robust user management will allow you to easily manage access permissions, trigger resyncs and even deactivate users swiftly. Having already worked extensively with SQL Server databases, Microsoft Dynamics CRM and other Microsoft technologies across multiple enterprises, I assure you that your project is in competent hands when entrusted to us. Our commitment to providing top-notch solutions that exceed client expectations has garnered us strong relationships with our clients over the years. We understand that efficiency and reliability are non-negotiables for a project of this nature, and we guarantee nothing short of excellence in both.
$1,125 AUD in 7 days
7.8
7.8

I am an experienced software developer with expertise in building applications using C# and .NET frameworks, specifically for Windows environments. With a strong background in database management, including Microsoft SQL Server, I can develop a desktop app that seamlessly synchronizes local databases with master copies stored in Dropbox. For this project, I will utilize C# within either WinForms or WPF, interfacing with the Dropbox API for secure file management and SQL Server integration via SMO or sqlcmd. My experience in implementing user authentication systems using hashed and salted passwords will ensure robust security. I understand the need for a one-click sync solution, user management, and admin capabilities, and I am well-versed in designing clean installers and comprehensive documentation for ease of deployment. I am interested in discussing how my approach can be tailored to your requirements. Could we delve into specifics regarding deployment across your company and any existing infrastructure that should be considered? I look forward to talking further.
$1,500 AUD in 10 days
6.5
6.5

Hello, I understand you need a lightweight Windows desktop app that syncs local SQL Server databases with the latest Dropbox backup, restores them automatically, shows the exact last sync timestamp, and includes secure user/admin management with deactivation-triggered local DB removal. I’m a senior full stack developer with strong experience in C#/.NET desktop applications, API integrations, SQL Server workflows, authentication systems, and secure data handling, and I can build this with WPF or WinForms using the Dropbox .NET SDK plus SMO or sqlcmd for reliable restore operations. My approach is to create a clean one-click sync client with encrypted local settings, hashed credentials, central user validation, admin tools for user control and forced resync, and safe rollback/error logging so failed restores never leave the local database in an inconsistent state. Best regards
$1,125 AUD in 7 days
6.5
6.5

Hi, I’d build a simple Windows app in C#/.NET that automatically pulls the latest database backup from Dropbox and restores it locally with one click. It will clearly show the last sync time on the main screen. For Dropbox, I’d use their official .NET SDK, and for SQL restores, SMO so everything runs smoothly without manual scripts. User login will be checked against a central list (with secure password hashing). If a user is disabled, the app will remove their local database and block access on the next sync. There’ll also be a small admin panel to manage users and trigger resyncs when needed. I’ll keep it lightweight, secure, and easy to install for your team. Happy to share timeline and next steps if this sounds good. Best, Manoj
$1,125 AUD in 17 days
6.1
6.1

Hi, I can help you with this. I am a developer with extensive experience with automations and integrations. I've helped clients with similar projects. Let me know your interest, Sincerely, Nicolas
$1,125 AUD in 7 days
5.5
5.5

⭐⭐⭐⭐⭐ Create a Windows App for Syncing SQL Databases with Dropbox ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project needs and see you're looking for a Windows desktop application to sync SQL databases with Dropbox. You don't need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for database management applications. I will build an efficient app that automates the syncing process and ensures user management is smooth and secure. ➡️ Why Me? I can easily create your lightweight Windows application as I have 5 years of experience in building desktop apps and working with SQL Server. My expertise includes C# development, Dropbox API integration, and user authentication. Additionally, I have a strong grip on SQL management and security practices, which will ensure a robust solution for your needs. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I'm looking forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ C# Development ✅ Windows Application Development ✅ SQL Server Management ✅ Dropbox API Integration ✅ User Authentication ✅ Data Backup & Restore ✅ Error Handling ✅ UI Design ✅ Security Best Practices ✅ SMO & sqlcmd ✅ User Management ✅ Version Control Waiting for your response! Best Regards, Zohaib
$900 AUD in 2 days
6.1
6.1

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have developed similar lightweight Windows apps that sync SQL Server databases seamlessly using Dropbox API, ensuring smooth and automated database restoration without manual SQL scripts. From my experience, the most crucial part of this project is implementing reliable file detection and secure authentication to maintain accurate and secure sync operations. ⭕Approach: - Use C# with WPF for a user-friendly Windows app interface. - Integrate with Dropbox API SDK for secure file detection, download, and management. - Employ SQL Server Management Objects (SMO) or sqlcmd for effective backup restoration. - Implement robust user authentication with hashed and salted password storage and central user management. - Incorporate admin functions for user control and forced resync capabilities. - Display last sync timestamp prominently and handle local DB removal gracefully when users are deactivated. - Package with a clean installer and provide a detailed README. ❓Questions: - Would you prefer the admin panel as a companion tool or integrated within the main app? - Is there a preferred format between .bak and SQL dump files for restores? - Do you have any specific preferences or restrictions on encryption algorithms besides standard best practices? I am confident in delivering a secure, efficient, and user-friendly app that meets all your requirements promptly. Best regards, Nam
$1,200 AUD in 7 days
5.2
5.2

Hi there, I’d be happy to discuss your project—feel free to start a chat anytime. I’m a full-stack developer with solid experience building scalable web and desktop applications, and I’m confident I can deliver your project efficiently and on time. I also have strong exposure to modern technologies including Web3 concepts, DevOps practices, and automation. I’m a Kubernetes enthusiast with hands-on experience using Docker containers and deploying applications on Linux servers. My expertise includes: MERN / MEAN Stack (development + team management) .NET Core APIs with Angular, including D3.js data visualizations Azure Logic Apps, SharePoint, and workflow automation (PowerApps familiarity) Salesforce development with Apex, Visualforce, and integrations via .NET APIs DevOps basics, containerization, and application hosting on Linux Automation workflows and AI-based tools to improve efficiency I bring a problem-solving mindset and full project lifecycle experience—from development to deployment. Looking forward to hearing from you. Thank you!
$1,500 AUD in 7 days
4.9
4.9

Hi there, I'm a developer with experience in building Windows applications that interact with SQL Server databases. I can create a lightweight application to synchronize your local SQL Server databases with Dropbox, ensuring data consistency. I will build a robust and reliable solution to handle synchronization efficiently, even with large databases. Feel free to reach out if you'd like to discuss your specific requirements and database size, so I can tailor the application precisely to your needs.
$1,200 AUD in 14 days
4.3
4.3

I bring a comprehensive set of skills to the table that makes me an excellent fit for your Dropbox SQL Sync Windows App project. Armed with 7+ years of experience as a Full-Stack Developer, I possess deep knowledge in database management, especially with SQL Server and .NET stack like C# and WinForms/WPF which aligns perfectly with your required tech stack. I have a proven track record of building end-to-end solutions that are both scalable and secure, enabling you to confidently entrust your data synchronization process to me. My talent extends beyond writing code; I prioritize clear and detailed communication throughout the development process, providing you with daily updates, realistic timelines, and being readily available for any queries or concerns you may have. Additionally, even after delivering the project, I ensure my work remains future-proof by providing clean documentation and maintaining a testable codebase that allows for seamless upkeep going forward. Security is crucial in your project and I fully appreciate it. I consistently adhere to the industry's best practices when it comes to security measures such as encryption (TLS and AES), hashing + salt for passwords etc. In conclusion, your search for a developer who can build your idea end-to-end comfortably rests upon my capabilities and my ability to think beyond just coding.
$1,000 AUD in 10 days
3.6
3.6

Hi, I think your main target of this project is to build a lightweight Windows app that automatically syncs local SQL Server databases with a master copy in Dropbox, while keeping user access secure and easy to manage. The key is reliable restore, user control, and simple one-click operation. I’ll build a C#/.NET desktop app using Dropbox .NET SDK to detect the newest backup, download it, and restore via SQL Server SMO/sqlcmd. The app will show last sync time, handle user authentication from a central list, and include admin tools for user management and forced resync. I’ll also add rollback safety by backing up the local DB before restore, plus secure credential handling. If a user is deactivated, their local DB will be removed and access blocked automatically. Installer and documentation will be included. I’ve built Windows utilities and database sync tools before, so deployment will be smooth and reliable. Could you confirm SQL Server version, backup format (.bak or dump), and expected user count? Thanks.
$1,125 AUD in 7 days
3.4
3.4

As a seasoned developer with over a decade of experience in the industry, I am confident that I have the skills and expertise needed to successfully complete your project. Specifically, my background in C#/.NET, API Integration, and Microsoft SQL Server aligns perfectly with this task. I have successfully built and managed similar applications in the past where data synchronization was crucial. I understand the significance of maintaining accurate and updated data between various sources, and I am well-versed with Dropbox's API to facilitate easy integration in this application. In terms of user management and account authentication, I have significant experience designing secure user management systems. Implementing user validations via email and password is something I'm well-versed with in order to provide a secure environment for your database syncing application. Moreover, I understand the importance of compliance with security best practices (such as TLS encryption for Dropbox integration and AES encryption at rest), confidentiality, and data integrity.
$750 AUD in 7 days
0.0
0.0

Hello! I can build a reliable Windows app that auto-syncs SQL databases from Dropbox with secure user control and zero manual steps. What I’ll implement: • C# .NET (WPF) desktop app (clean UI + installer) • Dropbox API (official SDK) for file detection & download • Auto-detect latest .bak/.sql → restore via SMO/sqlcmd • One-click sync + background monitoring • “Last synced: timestamp” display (accurate logging) • Auth system (hashed passwords, central validation) • Admin module: add/disable/delete users, force sync • Security: TLS (Dropbox), hashed creds, local protection • Logic: if user disabled → auto delete local DB + block access • Error handling + rollback safety during restore Deliverables: • Windows app + installer • Admin tool (or integrated panel) • Documentation + setup guide Quick question: do you prefer SMO-based restore or sqlcmd execution for consistency? Best regards, Dr. Rajesh Rolen
$1,125 AUD in 7 days
0.0
0.0

Hello, I bring 13+ years of experience in .NET, C#, and enterprise desktop applications with deep expertise in SQL Server automation and API integrations. Approach: WPF (.NET) app using Dropbox API SDK for file sync, SQL Server SMO/sqlcmd for automated restore, and secure auth via hashed credentials stored centrally (DB or encrypted cloud JSON). Deliverables: Windows app with one-click sync, auto-detect latest dump, local DB restore, “Last synced” timestamp UI, user auth & deactivation handling (auto DB wipe), admin panel (user control + force sync), installer, and README. Security: TLS (Dropbox), AES for local config, salted hashing. Why hire me? I build secure, reliable desktop tools with clean UX and robust error handling. Let’s collaborate to deliver a seamless sync solution.
$1,425 AUD in 7 days
0.0
0.0

Hi, I have 9 years experience in (.NET, C#, WPF/WinForms, Microsoft SQL Server, Dropbox API, and secure desktop application development). For this project, I have real hands-on experience building Windows tools that synchronize data securely, and I will develop a lightweight desktop app that detects the latest database backup in Dropbox, restores it locally with proper rollback handling and sync timestamps, and includes a secure admin flow for managing users, disabling access, and forcing resync while keeping deployment simple for Windows 10/11 environments. You can expect clear communication, fast turnaround, and a high-quality result. Best regards, Juan
$1,000 AUD in 3 days
0.0
0.0

Hi, You're looking for a Windows desktop app that keeps local SQL Server databases in sync with a master copy in Dropbox, with seamless user management and security. I’m Jeferson, a senior developer with experience building secure, efficient desktop applications using C# and .NET. For Dropbox integration, I’d use the Dropbox API SDK to monitor and sync SQL dumps, and for the SQL Server restore, I’d leverage SQL Server Management Objects (SMO) for smooth local database management. For user authentication, I’d implement AES encryption for stored passwords and use standard TLS for secure Dropbox communication. I’ll ensure the app includes an easy-to-use interface, with a sync timestamp, user management, and a clean installer. Let’s discuss your timeline and specific preferences for security measures. Best Regards, Jeferson.
$1,200 AUD in 7 days
0.0
0.0

Hi there, The real challenge here isn’t pulling backups from Dropbox, it’s safely overwriting live SQL Server database without ending up with partial restores or broken schema states. You’re aiming for a lightweight Windows tool that syncs a local SQL Server instance with a master dump in Dropbox while enforcing simple user access control and admin revocation. I’ve built similar sync utilities for SQL-backed setups where reliability mattered than speed, especially around backup restore automation and environment resets. My approach: 1. Poll Dropbox folder for latest file and download to temp staging area 2. Validate integrity before touching the live database 3. Restore via SMO/sqlcmd in single-user mode with a fallback rollback snapshot 4. Maintain encrypted local auth cache synced with admin-controlled user table To avoid data corruption, every restore is isolated and only swapped after successful completion. Would you prefer a WPF UI with richer admin controls or a minimal WinForms tool for faster deployment?
$1,125 AUD in 7 days
0.0
0.0

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