
Closed
Posted
Paid on delivery
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 consistency with the current file. 2. Application Type * Desktop application (Windows priority). * Must include online/cloud access for synchronization and remote work. 3. User Roles & Access Levels * Collaborators (Audit staff): data entry, working papers completion. * Seniors / Chefs de mission: review and first-level validation. * Managers: final validation and approval. * Admin: full control (user management, settings, access rights). 4. Workflow & Validation Process * Structured workflow reflecting audit hierarchy. * Locking system after validation steps. * Audit trail (who did what, when). * إمكانية الرجوع (rollback) si nécessaire avec traçabilité. 5. Features Required * Dynamic forms based on the Excel structure. * Automated calculations (same as Excel or improved). * Document attachment capability (PDF, Excel, etc.). * Dashboard for progress tracking (per mission, per user). * Search and filtering functionality. * Export to Excel/PDF. 6. Data Management * Central database (SQL or equivalent). * Backup and restore system. * Multi-user concurrent access. 7. Security * Secure login system. * Role-based permissions. * Data encryption (recommended). 8. UI/UX * Clean, professional interface adapted to audit workflows. * Fast and efficient navigation (productivity-oriented). 9. Technical Expectations * Scalable architecture. * Clean, documented code. * Possibility of future integration (ERP, accounting systems, etc.). 10. Deliverables * Fully functional desktop application. * Source code. * Technical documentation. * User guide. 11. Mandatory Requirement (Critical) A beta version MUST be delivered before final payment for testing and validation. Payment will only be released after approval of the beta version and confirmation that all core functionalities are working as expected. 12. Timeline * To be proposed by the developer with milestones (including beta delivery phase). 13. Developer Requirements * Proven experience in desktop application development. * Experience with business tools / accounting / audit systems is a strong advantage. * Ability to understand and translate Excel logic into software architecture. Additional Notes: The Excel file provided is the reference base. The goal is not just replication, but improvement in usability, control, and scalability.
Project ID: 40385296
78 proposals
Remote project
Active 23 secs ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
78 freelancers are bidding on average $241 USD for this job

Hi! This is a great project you’re moving from Excel to a proper system that will make your audit process much more structured and easier to manage. The key is keeping your current logic intact while making everything smoother and more controlled. Here’s how I’d approach it: • Carefully translate your Excel logic into a clean application structure • Build a desktop app with simple, efficient forms for daily audit work • Set up role-based workflows (staff → reviewer → manager → admin) • Add validation steps, locking, and full activity tracking • Create dashboards so you can easily monitor progress • Enable secure cloud sync so teams can work remotely • Include document uploads and export to Excel/PDF I focus on making systems practical, structured, and easy for teams to adopt. Timeline • Beta version in ~5–6 weeks • Final version after feedback and validation Quick question: do you want the app to feel very close to Excel initially, or more like a completely new interface? I’d love to help you turn this into a powerful, long-term audit tool. Best, Jasmin
$140 USD in 7 days
8.5
8.5

Hi, I will build your Windows desktop audit application — converting your Excel lead file into a structured system with role-based workflows, hierarchical validation with locking, audit trail, and cloud sync for remote access. For the validation workflow, I will implement row-level locking tied to each approval stage, so once a senior validates a section, collaborators cannot modify it unless a manager triggers a documented rollback — preserving full traceability. Questions: 1) How many sheets/tabs does the Excel file contain, and roughly how many formulas drive the calculations? 2) Which database do you prefer — SQL Server, PostgreSQL, or SQLite for local with cloud sync? Looking forward to your response. Best regards, Kamran
$90 USD in 5 days
6.0
6.0

Hi, the right way to handle this is to treat the Excel file as the accounting logic source, but redesign the work itself around audit roles, validation, and traceability. From your workbook structure alone, with tabs like Materiality, BALANCE N, BALANCE N-1, and A0, the real flow is clearly not just data entry. A collaborator completes working papers -> senior reviews and validates -> manager approves -> the section locks, while every action stays traceable and rollback remains controlled. That is what turns a lead file into an actual audit application instead of a spreadsheet clone. These projects often look fine in demo, but fail when Excel formulas are copied without reproducing validation state, attachments, and multi-user behavior around the same mission. One real issue is a reviewer approving a section while underlying figures are later changed elsewhere, which can break audit integrity, so I would handle it with status based locking, recalculation rules, and a full audit trail tied to each mission and section. The part to get right early is the mapping between Excel logic and workflow state, because that drives both usability and data correctness.
$140 USD in 7 days
5.8
5.8

⭐⭐⭐⭐⭐ Build a Desktop Audit Application with Secure Online Access ❇️ Hi My Friend, I hope you're doing well. I reviewed your project details and see you're looking for a desktop audit application. You don’t need to look any further; Zohaib is here to help you! My team has completed over 50 similar projects for audit applications. I will convert your Excel file into a robust application, ensuring all logic and calculations are preserved while enhancing usability and security. ➡️ Why Me? I can easily create your desktop audit application as I have 5 years of experience in desktop application development, focusing on data management, user role creation, and secure access systems. I also have a strong grip on SQL databases and user interface design, ensuring a smooth workflow and professional look for your application. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Desktop Application Development ✅ SQL Database Management ✅ User Role Management ✅ Workflow Automation ✅ Secure Login Systems ✅ UI/UX Design ✅ Data Encryption ✅ Document Management ✅ Dynamic Form Creation ✅ Data Backup & Recovery ✅ Multi-User Access ✅ Application Testing Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
5.7
5.7

Hey , I just went through the project description, and I see you are looking for someone experienced in .NET, Data Management, C# Programming, Sharepoint, Desktop Application, SQL, User Interface / IA and Microsoft Access. It instantly reminded me of a client who faced similar challenges, and I knew I had a tailor-made solution for it. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: • Is there anything else you’d like to add to the project details? • What’s the top hurdle you’re facing with this project? • What is the timeline to get this done? Why Choose Me? 250+ Projects. 5 Years. Zero Misses. My reputation is built on a single metric: Flawless Execution. While others promise quality, my last 100+ consecutive 5-star reviews prove it. I don’t just finish the job; I set the standard. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) The portfolio here is just the tip of the iceberg. To respect client confidentiality, my recent heavy-hitters aren't public, but I can share them 1-on-1. Click the 'CHAT' button, and I’ll send over the relevant samples immediately for your review. Regards, Abdul Haseeb Siddiqui.
$30 USD in 2 days
4.6
4.6

Hello There!!! ★★★★ ( Transforming Excel audit file into secure desktop app with workflow & cloud sync ) ★★★★ I understand you want to convert your Excel lead file into a structured desktop app with role-based access, audit workflow, validations, and online sync while preserving logic and improving usability. ⚜ Excel logic to app conversion ⚜ Role-based access & permissions ⚜ Workflow validation & audit trail ⚜ Central SQL database setup ⚜ Cloud sync & multi-user access ⚜ Dashboard, search & exports ⚜ Secure login & backup system I’ve worked on .NET desktop apps and business tools, handling complex logic migration from Excel to scalable systems. I enjoy building clean and efficient workflows. My approach is using C# (.NET) with SQL Server, modular architecture, and syncing layer for remote access. I’ll deliver a beta early for testing and refine based on feedback. Let’s discuss your Excel file and plan milestones. Warm Regards, Farhin B.
$110 USD in 10 days
4.5
4.5

✋ Hi There!!! ✋ The Goal of the project:- TO TRANSFORM YOUR EXISTING EXCEL BASED AUDIT WORKFLOW INTO A SECURE, SCALABLE DESKTOP AND CLOUD ENABLED APPLICATION WITH ROLE BASED CONTROL AND COMPLETE WORKFLOW AUTOMATION I have carefully reviewed your requirement to convert the Excel audit lead file into a structured application with workflow validation, role hierarchy, and online synchronization while improving usability and control. I am confident I am a strong fit because I specialize in building complex business systems with data integrity and multi user access. Key points aligned with your needs: • Conversion of Excel logic into a structured application with dynamic forms and audit workflow • Desktop application with cloud sync, role based access, and secure multi user collaboration • Audit trail, validation locks, reporting, and export features in Excel and PDF I will provide UI design, database management, testing, secure architecture, and full source code delivery at project completion. I have 9+ years experience as a full stack developer and have built similar business workflow and data management systems including Excel to application migrations and enterprise dashboards. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$119 USD in 7 days
4.6
4.6

Hi, I have 9 years experience in (.NET, C#, SQL, desktop application development, workflow systems, role-based access control, and Excel-to-software transformation). For this project, I am going to convert your Excel lead file into a structured desktop audit application with secure online synchronization, preserving the existing logic and calculations while improving workflow control, validation hierarchy, audit trail, document handling, export features, and multi-user data integrity through a scalable SQL-backed architecture. I have real hands-on experience building business-critical desktop systems where translating complex Excel logic into maintainable software, delivering a working beta before final rollout, and keeping the system ready for future integrations are all essential. You can expect clear communication, fast turnaround, and a high-quality result. Best regards, Juan
$140 USD in 1 day
4.7
4.7

As a skilled developer with extensive experience in web application development, including my proficiency in programming languages such as C#, JavaScript, TypeScript, Python, and PHP, I believe I have the expertise to successfully transform your crucial Excel-based audit system into a structured and efficient desktop application. My deep understanding of application architecture, both front-end and back-end coupled with my abilities in clean documented coding will ensure a robust, fully-functional and maintainable platform that mirrors your current audit workflows. A notable strength that I bring to the table is my ability to comprehend and translate complex business logic from one platform to another. Given your requirement of transitioning an Excel file to a comprehensive desktop application without any loss of vital data or functionalities, you can rest assured that I will achieve this delicate task meticulously. Furthermore, my familiarity with SQL and strong appreciation for data integrity will ensure a safe central database management system, providing consistent and secure access to your team. Let's build an intuitive, highly functional centralized system that not only improves efficiency but also retains the already established auditing best practices of your team.
$140 USD in 2 days
4.5
4.5

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, thank you for sharing the detailed project brief. I can build your Desktop Audit Application using cutting-edge technologies with a secure, scalable, and efficient design. I will deliver: • Conversion of Excel file into a structured application • Online/cloud access for remote work • User roles with access levels • Workflow management with validation processes • Dynamic forms and automated calculations • Data management with SQL database • Secure login system and role-based permissions • Clean UI/UX for enhanced productivity You will also receive technical documentation and user guide. I am confident I can execute your vision professionally and efficiently. Looking forward to discussing further steps. Best regards, Chirag.
$200 USD in 7 days
4.0
4.0

Hi, I understand you want to transform your existing Excel-based audit lead file into a structured, secure desktop application with online sync, preserving all current logic while improving usability, control, and scalability across multi-user workflows. I can build this using a robust architecture (e.g., .NET desktop app with a centralized SQL database and optional cloud sync layer) that replicates and enhances your Excel calculations, implements role-based access (collaborator, senior, manager, admin), enforces validation workflows with locking and full audit trail (including rollback with traceability), and provides dynamic forms, document attachments, dashboards, and export features. The system will be designed for concurrent users, strong data integrity, backups, and future integrations, with clean documented code and a clear UI tailored for audit processes, and I will deliver a beta version for testing and validation before final delivery as required. Looking forward for your positive response in the chatbox. Best Regards, Arbaz N
$210 USD in 7 days
5.0
5.0

As an experienced full-stack developer specialising in robust and intelligent solutions, your project is right up my alley. My versatile skill set ranges from AI integration and automation to database scripting. This extensive experience makes me best placed to not only transform your Excel files but also to improve upon them in usability, control, and scalability. One of the core competencies I bring to the table is the ability to understand and translate complex Excel logics seamlessly into a more organized software architecture for enhanced performance. Additionally, my proficiency in backend development with technologies such as Node.js, Django, Flask, and Spring Boot will ensure that your transformed desktop application allows for efficient workflow management through hierarchical validation and centralized data control. Moreover, having worked on business tools specifically designed for accounting and audit systems, I fully grasp the critical importance of high data integrity and consistency. My portfolio also shows a strong understanding of user roles and access levels flowg angiight-users. I am eager to convert your existing Excel file onto a safe desktop application with secure online access while integrating tihnly demonstrated abilities include constructing multi-user concurrent access systems as specified in your project
$150 USD in 2 days
4.1
4.1

Hello, I appreciate the opportunity to bid on your project for developing a desktop audit application based on your existing Excel lead file. I understand that you aim to create a robust tool that enhances your audit processes through structured workflows, hierarchical validation, and centralized data management. With over five years of experience in developing desktop applications, particularly in the accounting and audit sector, I am well-equipped to deliver a solution that meets your specific needs. My expertise includes using technologies like C# and SQL, ensuring high data integrity, and implementing user role management systems that align with your requirements. To achieve your objectives, I propose the following approach: - Analyze the current Excel logic to ensure a seamless transition to the application. - Develop a user-friendly interface that supports dynamic forms, automated calculations, and document attachments. - Implement a secure, role-based access system with a robust audit trail and backup options. - Deliver a beta version for your testing and feedback to ensure all functionalities meet your expectations. I am eager to start this project and am confident in delivering a high-quality application that enhances your audit processes. Please feel free to reach out to discuss any details or clarify further requirements.
$30 USD in 7 days
4.2
4.2

With 15 years in development, I have honed my expertise in .NET, C# Programming, and SQL - all the right skills for transforming your Excel file into a powerful desktop application. I understand that simple replication is not sufficient; rather, you need improvements in usability, control, and scalability along with preserving the current logic and calculations. For this task, my experience becomes fundamental. Being highly communicative and detail-oriented, I ensure close collaboration throughout the project to deliver stable and quality software. As part of our inclusive approach, we will have regular meetings to discuss the project's progress and take your valuable suggestions on board to guide our development process. Besides technical proficiency, I hold a firm understanding of the unique needs of accounting and audit systems. This puts me in an optimal position to capture your requirements effectively while mitigating risks involved through clear validation processes as mentioned in your scope of work. Iteratively adapting logic from Excel into an improved digital format would be one of our key strengths as developers
$100 USD in 7 days
3.7
3.7

Hi, Dear. I can convert your existing Excel audit lead file into a secure, scalable desktop application with online synchronization, preserving all logic while significantly improving structure, usability, and workflow control. I will start by analyzing your Excel file in detail and mapping all calculations, dependencies, and audit logic into a clean software architecture. Next, I will build the core desktop application (Windows-first) with database integration, role-based access (Collaborators, Seniors, Managers, Admin), and full audit trail tracking. Finally, I will implement workflow validation, locking system, dashboards, export functions (Excel/PDF), and cloud sync for multi-user access, followed by a fully tested beta version for your approval. The system will be designed with scalable architecture, clean documented code, secure login, encrypted data handling, and future ERP integration readiness. A working beta version will be delivered within the timeline for full testing before final release, as requested. https://www.freelancer.com/u/seandinwiddie Best Regards, Sean D.
$450 USD in 7 days
3.4
3.4

Hi, I can build your desktop audit application with online access by transforming your existing Excel lead file into a structured, secure, and scalable business system while preserving all calculations and improving workflow, control, and usability. I have over 8+ years of experience in enterprise software development, including ERP-style systems, workflow automation platforms, and Excel-to-application migrations for accounting and operational processes. My Approach 1. Excel to Application Conversion • Preserve all Excel logic, formulas, and structure • Convert into modular application architecture • Improve data consistency and maintainability 2. Desktop + Cloud System • Windows desktop application (primary) • Online sync for remote access and collaboration • Central SQL database for secure data storage 3. Audit Workflow System • Role-based access: Staff (data entry) Seniors (review) Managers (final approval) Admin (full control) • Validation workflow with locking system • Complete audit trail (activity tracking) • Rollback with full traceability 4. Core Features • Dynamic forms based on Excel structure • Automated calculations engine • Document uploads (PDF/Excel) • Dashboard for progress tracking • Search, filters, and reporting • Export to Excel/PDF 5. Security & Performance • Secure login + role-based permissions • Data encryption + backup system • Multi-user concurrent access support Best Regards, JP
$140 USD in 7 days
3.5
3.5

Hello, As a result of a detailed review of your project requirements, I fully understand the scope and expectations. I have experience turning complex Excel-based business tools into structured desktop applications, and I can help convert your audit lead file into a secure, multi-user system with validation workflow, centralized control, and online synchronization. I bring deep expertise in C#, .NET, SQL, desktop application development, data management, and business software architecture with over 10 years of experience. One of the key challenges in projects like this is preserving the existing Excel logic while improving control and scalability, so I would build a Windows-first application with role-based access, audit trail, hierarchical validation, document attachments, export to Excel/PDF, and a central database with backup, sync, and beta delivery before final approval. I have a couple of quick questions. • Is your current Excel lead file heavily dependent on VBA/macros, or mainly formulas and structured sheets? • For online access, do you prefer a cloud-hosted SQL backend with desktop sync, or a remote-access setup for the application itself? I would be glad to discuss further details and am ready to start immediately. Looking forward to hearing from you. Best regards, Carlos
$50 USD in 7 days
3.6
3.6

Hello, I hope you are well. I’ve read your goal to turn an Excel lead file into a robust desktop app with secure online access. I’m an experienced developer focused on creating scalable, rule-driven business tools that preserve existing logic while improving usability and control. I’ve built and modernized similar audit and accounting platforms, converting structured Excel workflows into desktop apps with multi-user access, role-based permissions, audit trails, and strong data integrity. I would translate your Excel logic into a clean C#/.NET architecture, implement a SQL-based central store, dynamic forms, automated calculations, and a secure, role-aware UI. The solution would support collaboration, online synchronization, and reliable backups, while preserving the exact validation and workflow patterns you rely on. I can deliver a beta version for testing and validation within the agreed milestones, then iterate toward a polished, fully documented final product. Best regards, Billy Bryan
$250 USD in 3 days
2.8
2.8

Hello, I am confident that I can transform your Excel-based audit workflow into a structured, secure, and scalable desktop application with proper role management and online synchronization. My plan to implement your goal: I will first analyze your existing Excel file to fully map its logic, formulas, and workflow structure. Then I will design a database-driven architecture (SQL-based) to replace Excel while preserving all calculations and improving performance. I will build a Windows desktop application with role-based access (Collaborator, Senior, Manager, Admin), including workflow validation, audit trails, and locking mechanisms after each approval stage. I will also implement cloud synchronization for multi-user access, secure authentication, and a clean, productivity-focused UI. The system will support attachments, dashboards, exports, and full traceability of audit actions. My question: Could you confirm whether you prefer a local server + sync model (hybrid offline/online) or a fully cloud-based system, and do you already have a preferred database technology? Deliverables: Fully functional desktop audit application (Windows-first) Complete migration of Excel logic into database-driven system Role-based workflow (entry, review, approval, admin control) Audit trail with full action history and rollback tracking Dashboard for mission and user progress tracking Thanks.
$140 USD in 7 days
2.9
2.9

With a proven expertise in various programming languages - such as PHP, Node.js, Vue.js, and C# which encapsulate the very core of your project's technical requirements - I believe that I am tailor-made for your Audit App Transformation endeavor. Having handled numerous large-scale application transformations myself, I am akin to the intricacies involved in preserving the logic, structure, and calculations while immersing it to a new operational architecture. Lastly, having had experience with accounting systems in the past has endowed me with an innate understanding of how multi-access user hierarchies function within controlled workflows –a core necessity of this audit application project. As crucial as it is to comprehend Excel logic – its replication and improvement - adaptation to business tools is equally important. Hence my ability to recognize interconnections between CCPA compliance requirements alongside designing solutions for businesses makes me your perfect fit. Rest assured with me as your developer, you will obtain a scalable and secure application that connects all dots strategically towards aligning with futuristic integrations.
$120 USD in 3 days
2.7
2.7

New york, United States
Member since Sep 20, 2020
$250-750 USD
$5000-15000 USD
$10000-20000 USD
$30-250 USD
min $50000 USD
₹37500-75000 INR
₹37500-75000 INR
₹12500-37500 INR
$30-250 AUD
£250-750 GBP
$115-200 HKD / hour
$30-250 USD
₹600-1500 INR
$250-750 AUD
₹12500-37500 INR
€30-250 EUR
$250-750 USD
$250-750 USD
$30-250 USD
€30-250 EUR
$250-750 USD
$15-25 USD / hour
$30-250 USD
₹12500-37500 INR
₹1000000-2500000 INR