
Closed
Posted
Paid on delivery
I need a Windows-only desktop application that gives me a slick, purpose-built front end for database management. The core workflow is: • Connect to one or more local or remote SQL databases. • Import and export large data sets (CSV, XLSX, JSON, SQL dumps). • Clean, validate and normalise that data before it ever touches the live tables. • Run and save complex, multi-statement queries from an intuitive editor, with results that can be exported or visualised quickly. Speed and reliability are more important to me than flashy graphics, so a solid framework such as C# /.NET (WinForms or WPF), Java (JavaFX), or an equivalent Windows-native stack is ideal. If you prefer Python with PySide or Electron + Node.js that’s fine too, as long as the final build is a single installable EXE that runs on Windows 10/11 without extra setup. Key capabilities I expect on first delivery – Secure connection manager with stored credentials encrypted locally. – Drag-and-drop data import that lets me map columns before loading. – One-click export of any result-set to CSV or Excel. – A data-cleaning pane where I can trim whitespace, fix encodings, deduplicate, and apply simple transforms, all with preview before commit. – Query editor with syntax highlighting, parameter support, and execution history. – Role-based access inside the app (admin vs. read-only user). – Logging of every change for audit purposes. Acceptance criteria 1. Installer launches and the program opens on Windows 10/11. 2. I can connect to my SQL Server instance, import a CSV, clean it, and write it to a target table without errors. 3. Saved queries re-open exactly as I left them and run again. 4. No unhandled exceptions during normal use; logs are written to a readable file. 5. Source code delivered in a private repo with a short build README. If this matches your skill set and you have examples of similar database tools, I’m ready to review them and move forward quickly.
Project ID: 40602376
50 proposals
Remote project
Active 18 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
50 freelancers are bidding on average ₹12,110 INR for this job

As a seasoned software architect and developer with over 15 years of experience, I have successfully delivered numerous large-scale projects and robust desktop applications, such as your custom SQL Desktop Management Suite. My in-depth knowledge of C# programming, Microsoft SQL Server, and Windows Desktop make me the ideal candidate for this project. I understand what's important to you - a powerful yet convenient desktop application without any frills, capable of swiftly connecting to multiple local or remote SQL databases, and effectively managing extensive data sets. My familiarity with secure connection managers and role-based access reflects my ability to prioritize data safety and security. Moreover, my proficiency in creating sleek UIs using C# /.NET (WinForms or WPF) ensure usability without compromising speed or reliability. Your key capabilities' requirements resonate well with my skill set - be it drag-and-drop import, one-click export, data cleaning pane or syntax highlighted query editor. Efficiency is at the heart of my coding philosophy, evident from my clean yet scalable code design. I believe in strong communication and reliable delivery which is reflected in my Microsoft Certificationimonials and proven track record undertaken with renowned companies like CSC, Fiserv, RBS, and CMG.
₹7,000 INR in 7 days
8.0
8.0

I’m a desktop development lover, and this project is exactly the kind of work I enjoy building. I can develop a fast, reliable Windows 10/11 database management app with secure SQL connections, data cleaning, import/export, and a powerful query editor. I’ll focus on stability, performance, clean architecture, audit logging, and an easy-to-use workflow using C#/.NET. I’m ready to start immediately and deliver the complete source code, installer, and build documentation.
₹9,000 INR in 7 days
7.3
7.3

Hi, My name is Ali! I will build your Windows-native C# (.NET 8) WPF/WinForms database management tool, complete with DPAPI-encrypted credential storage, drag-and-drop schema mapping, and a live data-cleaning engine. Designed for high performance, the app will execute complex SQL queries smoothly, maintain audit logs, and enforce role-based controls without freezing the UI. I will deliver a single installer (.exe) along with the full, well-documented source code in a private repository. Let's connect so we can discuss your target database schemas and kick off development!
₹7,000 INR in 7 days
5.3
5.3

Greetings, I have reviewed your project description and recently worked on a similar project. I believe I can help you deliver this successfully. Let’s open a chat to discuss your requirements in detail and determine the best approach for your project. Regards
₹80,000 INR in 10 days
5.1
5.1

Hey, I can build a Windows-native database management application focused on speed, reliability, and secure data handling, making large imports, cleaning, and SQL management efficient in one place. You can review my work here: https://www.freelancer.com/u/mahads31 I'd develop the application using a robust Windows stack such as C#/.NET, with an intuitive interface for secure database connections, data import/export, validation, query management, and audit logging. The architecture will be modular, ensuring encrypted credential storage, role-based access, reliable error handling, and a smooth workflow for importing, cleaning, previewing, and committing data while keeping the codebase maintainable and easy to extend. Will this application primarily connect to Microsoft SQL Server, or do you also need support for databases like MySQL, PostgreSQL, or MariaDB from the first release? Happy to jump on a quick call to review the project flow and get everything planned properly. Best Regards, Mahad
₹5,000 INR in 4 days
4.7
4.7

Hello, I just finished reading your brief for "Custom SQL Desktop Management Suite", and I'm genuinely excited about the chance to work on it. I love turning a solid brief like yours into a polished result you’ll be proud to put your name on. From your brief I can see this involves node — all areas we handle in-house. We specialise in Java, Windows Desktop, SQL, C# Programming, which lines up directly with what you need. How we'd approach it: - Map out the scope, pages and data models up front - Build the frontend and backend with clean, scalable code - Test across devices and browsers, then deploy - Hand over with documentation and post-launch support I also noted you don’t need unhandled exceptions during normal use — that’s clear, and I’ll keep the work clean and strictly on-brief. Delivering at the scale of 11 without is no problem for us — we're set up for volume without dropping quality. From kickoff to final handover, I’ll keep things transparent, on schedule, and squarely focused on your goals. Send over any references you have and I’ll come back with a clear plan and milestones. Best regards, FreeLancers360 Let’s connect in chat and get started — message me anytime and I’ll reply right away!
₹1,500 INR in 5 days
3.9
3.9

Hello, I have read your job description and I am interested in your job post. I am ready to start now. Please send me a message to discuss more about your project, Can you please give me a chance I am a Senior Software Developer with over 8+ years of experience in designing and developing scalable web and desktop applications. I specialize in Microsoft technologies and delivering high-quality, secure, and performance-driven applications. My Expertise: Backend Development:ASP.NET, ASP.NET Core, MVC, Web API, WebForms, WCF Services Programming Languages:C#, Frontend Development:JavaScript, jQuery, AJAX, HTML, CSS Database Technologies:SQL Server, MySQL Reporting Tools:Crystal Reports, RDLC, SSIS, SSRS
₹8,500 INR in 7 days
4.3
4.3

Hi there, we are a team of Full Stack Web and Mobile App developers and we can do this project in no time. Thanks Ashish Kumar.
₹7,000 INR in 7 days
4.1
4.1

Hi, I can build this Windows desktop application in python with a focus on performance, reliability, and a clean user experience. It will include secure database connections, data import/export, cleaning and validation tools, a feature-rich SQL editor, role-based access, and audit logging, along with a Windows installer and well-documented source code. I’ve developed database-driven desktop applications and can deliver a maintainable solution that meets your acceptance criteria. I'd be happy to discuss the database types and any additional requirements before getting started. Regards Karim
₹7,999 INR in 4 days
3.9
3.9

Hi, I can build a Windows desktop SQL management tool with secure connections, large-file import/export, data cleaning, query execution, role-based access, and audit logging. The best solution is to use C#/.NET with WPF for a native Windows 10/11 experience, strong SQL Server support, and reliable EXE packaging. I’ll first define the connection, import, cleaning, query, and permission workflows, then build the application in modular components so future database types and features can be added easily. I’m comfortable with C#, WPF, SQL Server, encrypted credential storage, CSV/XLSX/JSON import, column mapping, data validation, query editors, syntax highlighting, execution history, logging, and Windows installers. Deliverables will include: * Secure connection manager * Drag-and-drop import with mapping * CSV/Excel/JSON export * Data cleaning with preview * Query editor and saved queries * Admin/read-only roles * Audit logs and error handling * Windows installer * Source code and build README I’ll focus on a stable first release that meets the core SQL Server workflow, with clean architecture for later expansion. Best regards Ankit
₹7,000 INR in 1 day
3.3
3.3

Building this as a single-EXE WPF app on .NET 8 is the strongest path here. It gives you native Windows performance, self-contained publishing with no runtime dependency, and clean data-binding for the grid-heavy UI this project needs. I'll wire up the encrypted connection manager using DPAPI for local credential storage, build the drag-and-drop import pipeline with column mapping and a preview-before-commit cleaning pane, and set up the query editor with AvalonEdit for syntax highlighting and execution history. One thing worth deciding early: for the data-cleaning transforms, I'll structure them as a chainable pipeline so you can stack operations (trim, deduplicate, re-encode) and see cumulative previews. That's more useful than one-off buttons once your datasets get large. Best regards, Shayan
₹1,650 INR in 3 days
2.2
2.2

With over a decade of experience in software development, I have a proven track record of delivering efficient and reliable custom solutions specialized for database management. Not only do I have proficiency in the preferred language of C# and the .NET stack, but I'm also versatile in Python, ensuring your demands for an installable EXE for Windows 10/11 are entirely met. Alongside my extensive technical skills is a deep understanding of the scope of your project, meaning I can speedily build a custom SQL Desktop Management Suite that's dedicated to meeting your specific needs with minimal overhead. Lastly, I understand the importance of thorough testing and providing quality logs for audit purposes in your project. Handled exceptions will remain non-existent during normal use due to robust error handling strategies in place. The source code delivered to you will be hosted on a private repo with an accompanying build README to further simplify its access and usage. To put it simply, choosing me guarantees timely deliverables of meaningful solutions that meet all your acceptance criteria while ensuring your journey from installation to utilization of your new custom SQL Desktop Management Suite is effortless!
₹7,000 INR in 7 days
2.0
2.0

Hello Sir, I have carefully read your requirements and can build a reliable Windows desktop application for managing SQL databases, importing and cleaning large datasets, running complex queries, and exporting results. I recommend C#/.NET with WPF because it provides strong Windows 10/11 compatibility, good performance, secure local storage, and a professional desktop experience. The application will include: • Secure SQL Server connection manager • Encrypted storage for saved credentials • CSV, XLSX, JSON, and SQL import/export • Drag-and-drop import with column mapping • Data cleaning, validation, deduplication, and preview • Query editor with syntax highlighting and parameters • Saved queries and execution history • CSV and Excel result exports • Basic charts and result visualisation • Admin and read-only user roles • Complete audit and error logging • Windows installer and clean EXE build I will test the full workflow using SQL Server, including large-file imports, transformations, saved queries, exports, and error recovery. You will receive the complete source code in a private repository, installer, build instructions, and short user documentation. Estimated delivery time: 5 to 7 weeks, depending on final database types and transformation rules. I am waiting for your kind response. Thanks
₹7,000 INR in 1 day
1.5
1.5

Hi, I read your project carefully and I can deliver exactly what you need. I can start immediately and show you the first preview in a few hours. Let’s discuss the details
₹2,500 INR in 3 days
0.0
0.0

A full DB-management front end (multi-DB, import/export, data cleaning, a multi-statement query editor, visualisation, single EXE) is a real build, so let me be straight about what fits this budget and propose an honest milestone 1. I'd build it in Python + PySide6, packaged to a single Windows EXE with PyInstaller (runs on Win10/11, no install) - you said that's fine, and it keeps it fast with clean source. Milestone 1 (this budget): - Connect and save connections to SQL Server / PostgreSQL / MySQL (local or remote). - Query editor: run and save multi-statement queries, tabbed results, export to CSV/XLSX. - Import CSV/XLSX/JSON into a staging table with type-check and row validation BEFORE it touches live tables. Phase 2 (next milestone): SQL-dump import, normalisation rules, and result charts/visualisation. You get full source plus the built EXE. I develop and test the data layer against a real SQL Server/Postgres, so import/export and validation are proven, not just demoed. Which engine is your main one - SQL Server, Postgres or MySQL? I'll wire that connector first. 5.0-star rated here.
₹12,500 INR in 12 days
0.0
0.0

i am 10 years of expertise developer with sql and java skill set and also in micro services please let me know if any help is needed
₹7,000 INR in 7 days
0.0
0.0

Hi I understand you need a Windows desktop application that provides a fast, reliable interface for SQL database management, data cleaning, and import/export workflows while remaining easy to maintain and expand. The main challenge is handling large datasets efficiently without compromising data integrity. Secure database connections, validation before import, query execution, and audit logging all need to work together seamlessly to provide a dependable management tool. I would focus on building a native desktop application with secure SQL connectivity, encrypted credential storage, drag-and-drop imports, data validation and transformation, an advanced query editor with execution history, role-based access, and comprehensive logging. The architecture will be modular so additional database features can be added in future releases. I have experience developing desktop applications, SQL-based systems, data processing tools, and database management solutions with a strong focus on performance and reliability. Q1 – Will the application primarily support Microsoft SQL Server, or are other databases required? Q2 – Do you already have sample datasets for testing the import and cleaning workflow? Q3 – Would you prefer WPF, WinForms, or are you open to another Windows-native framework? Looking forward to building a reliable database management solution for your workflow.
₹7,000 INR in 4 days
0.0
0.0

As a seasoned full-stack engineer and entrepreneur, my skills extend beyond just software development. My insight into B2B sales and business development gives me a unique perspective that can greatly benefit your project. My hands-on experience in building similar database tools, along with a solid command over key technologies like C# Programming makes me an ideal fit for your custom SQL desktop management suite. Not only do I understand the technical aspects of developing a robust Windows-only desktop application, but I also appreciate your emphasis on speed and reliability. My know-how with frameworks such as C# /.NET (WinForms or WPF), Java (JavaFX), or Python with PySide/Django makes me versatile enough to cater to your needs while ensuring that there is one installable EXE that runs seamlessly on Windows 10/11. On top of everything, I can offer you added value with my understanding of maintaining client relationships. Your acceptance criteria resonate deeply with my commitment to quality, and my dedication to delivering exceptional code will ensure that there are no unhandled exceptions during normal use, all while providing comprehensive logging for audit purposes. Trusting me with your project would mean having a technically accomplished professional who understands the bigger picture, and most importantly the value in what we'll be creating together. Let's discuss how we can make your vision come alive!
₹7,000 INR in 7 days
0.0
0.0

Hi, I can build your Custom SQL Desktop Management Suite as a fast, native Windows desktop application using C# / .NET 8 (WPF), compiled into a single self-contained .exe installer for Windows 10/11 without extra dependencies. Key Features Built to Your Exact Spec Secure Connection Manager: Local credential encryption via Windows DPAPI with internal Role-Based Access Control (Admin vs. Read-Only). Data Import & Cleaning Pane: Drag-and-drop CSV, XLSX, and JSON loader with interactive column mapping. Trim whitespace, fix encodings, and deduplicate with live previews before committing to live tables. Query Workbench: Syntax-highlighted SQL editor with parameter support, persistent saved queries, auto-saved execution history, and 1-click CSV/Excel export. Audit & Exception Logging: Robust file-based logging (Serilog) ensuring all data mutations are logged and normal operation runs with zero unhandled exceptions. Deliverables Single-File Windows Installer (.exe): Works cleanly out of the box on Win 10/11. Clean Source Code & Build README: Hosted in a private Git repository. Screen-Capture Video Demo: Proving SQL Server connectivity, CSV data cleaning workflow, and query history persistence under live conditions. I have extensive experience building desktop database utilities and WPF data grids. Ready to share past desktop work in chat and start immediately! Best regards, Sonu
₹7,000 INR in 7 days
0.0
0.0

I've deployed React, Python API, and MongoDB Atlas applications to production environments, handling everything from server configuration and environment variables to SSL, domain setup, and deployment documentation. My focus is on delivering stable deployments that are easy to maintain and redeploy in the future. For your project, I'll deploy both the frontend and backend, configure the MongoDB Atlas connection, set up environment variables securely, connect your domain (if available), enable SSL, and thoroughly test the application to ensure everything is working correctly before handover. As an added value, I'll provide a simple deployment guide along with an optimized deployment structure, making future updates and redeployments quick and hassle-free.
₹1,500 INR in 7 days
0.0
0.0

Bangalore, India
Payment method verified
Member since Apr 6, 2022
₹37500-75000 INR
₹1500-12500 INR
₹12500-37500 INR
₹1500-12500 INR
₹1500-12500 INR
$2-8 USD / hour
$30-250 USD
₹1500-12500 INR
₹1500-12500 INR
₹1500-12500 INR
$1500-3000 USD
$8-15 USD / hour
₹12500-37500 INR
₹12500-37500 INR
$15-30 AUD
min €36 EUR / hour
$250-750 USD
₹150000-250000 INR
$750-1500 USD
$25-50 USD / hour
₹1500-12500 INR
₹750-1250 INR / hour
€30-250 EUR
€30-250 EUR
$15-25 USD / hour