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I need a seasoned developer who can turn a set of business rules into a robust desktop application that runs smoothly on both Windows and macOS. The core idea is simple: users type or paste text, press a button, and the software applies predefined logic and calculations to return fast, reliable results. You’ll shape the entire flow—from the parsing of free-form text input through to the final output screen—so clear thinking and thoughtful UI decisions matter as much as clean code. I’m open to Python with PyQt/PySide, C# on .NET MAUI, or any comparable stack that lets us deliver a native-feeling experience on the two target operating systems. Key points you’ll tackle • Automation engine: implement the calculation/decision logic in a way that is easy for me to tweak later. • Cross-platform desktop UI: consistent look and feel, keyboard-friendly, no clutter. • Error handling & logging: friendly messages for users, detailed logs for us. • Packaged installers for Windows (.exe or .msi) and macOS (.dmg or .pkg). Deliverables 1. Full source code with concise inline documentation. 2. Build scripts or CI workflow that generates installers for both OSs. 3. A short user guide covering installation, basic use, and common troubleshooting steps. Acceptance criteria – Inputs processed exactly according to the logic we outline in our spec session. – Output matches provided test cases. – Application launches and exits without warnings on current Windows 10/11 and macOS Sonoma systems. Once we agree on the tech stack, I’ll share the detailed rules, sample inputs, and expected outputs. Let’s create an intuitive tool that saves time from day one.
Project ID: 40449156
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Active 19 days ago
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45 freelancers are bidding on average ₹103,110 INR for this job

With over 15 years in software development, I have honed my skills to deliver high-quality, efficient solutions like the one you're seeking. My experience extends to desktop development with cross-platform capabilities, particularly using .NET and C#, which aligns perfectly with your project requirements. I've developed sophisticated desktop applications that handle complex business rules and provide a seamless user experience - exactly what your automation tool needs. One of my core strengths is developing clean, maintainable code while ensuring the security and robustness of the application. Your project demands a software engine that executes well and allows for easy tweaking; I am meticulous in documenting my code for enhanced comprehension and future modifications. My packaging and installer creation expertise will guarantee you smooth installation processes of .exe or .msi files on Windows while providing .dmg or .pkg files suitable for macOS users. In addition to my technical skills, I believe in fostering clear communication throughout the project journey. This encompasses documenting not only the source code but also my development process alongside providing troubleshooting measures upon completion, as required by your project. Together, let's create an intuitive tool that resonates with its users from day one and delivers substantial time-saving operations in their daily tasks. Let’s get started on this exciting journey!
₹150,000 INR in 30 days
8.3
8.3

Hello there, I will build your cross-platform automation tool — text parsing engine, rule-based calculation logic, and packaged installers for both Windows and macOS. I will use Python with PySide6, which delivers a native-feeling UI on both platforms from a single codebase. For the automation engine, I will structure the business rules as a modular pipeline — each rule as a separate, testable unit you can tweak or reorder without touching the rest of the codebase. This makes future adjustments straightforward and keeps validation predictable across rule changes. Questions: 1) How complex is the free-form text input — are we parsing structured fields, or does it require NLP-style interpretation? 2) Do you need any persistent storage for past results, or is this purely a process-and-display tool? Looking forward to your response. Best regards, Kamran
₹84,637 INR in 25 days
7.2
7.2

Hello, Your project is a great fit for my experience in building desktop automation tools and business-process applications. I can help you turn the defined business rules into a clean, reliable cross-platform desktop application for both Windows and macOS with a strong focus on performance, maintainability, and user experience. For this kind of application, I would recommend either: Avalonia if you prefer a more enterprise-oriented C# ecosystem, which gives excellent cross-platform support What I can deliver: • Well-structured automation engine with configurable and maintainable business logic • Native-feeling desktop UI optimized for keyboard usage and productivity • Robust parsing and validation for free-form text inputs • Detailed error handling and logging system • Clean source code with documentation I also pay close attention to edge cases, application stability, and long-term maintainability — especially important for tools that process user-entered text and business calculations. A few areas I would typically clarify during the specification phase: complexity of the rule engine expected input formats and parsing flexibility offline vs online functionality expected scale of calculations and data volume Once you share the detailed business rules, sample inputs, and expected outputs, I can help finalize the ideal architecture and provide a clear development roadmap with milestones. Looking forward to discussing the project further. Best regards Veer
₹112,500 INR in 30 days
6.3
6.3

Hello, I’m Karthik with 15+ years of experience in desktop application development, automation systems, cross-platform software engineering, and enterprise workflow tools. I can build your Windows/macOS automation application with a clean, native-feeling UI and a flexible logic engine that is easy to maintain and extend over time. What I can deliver: • Cross-platform desktop app for Windows and macOS • Fast text parsing and rule-based automation engine • Clean, keyboard-friendly UI with minimal clutter • Friendly error handling with detailed logging/debug support • Packaged installers (.exe/.msi and .dmg/.pkg) • Source code, build scripts, and concise documentation Recommended Stack: ✔ Python + PySide6/PyQt for rapid, stable cross-platform delivery or ✔ .NET MAUI if you prefer tighter native OS integration My expertise includes: ✔ Workflow automation and business-rule engines ✔ Cross-platform desktop software architecture ✔ CI/CD build pipelines and installer generation ✔ Performance optimization and structured logging ✔ Maintainable, modular codebases designed for future enhancement I focus on building reliable tools with intuitive UX and clean architecture so future rule modifications remain simple and scalable. Available to start immediately and discuss your specification, sample inputs, and expected outputs. Regards, Karthik
₹152,500 INR in 7 days
5.8
5.8

As a seasoned developer specializing in automation and scripting, I believe I'm the perfect fit for your custom cross-platform automation tool project. Throughout my career, I've consistently delivered solutions that improve operational efficiency and streamline processes in multi-os environments. With proficiency in Python's core language, data structures, and best practices, I can efficiently implement the calculation/decision logic of your tool. Furthermore, my expertise in file handling and manipulating different data formats such as JSON, XML, XSD, XSLT, CSV, EDI (837P, 837,I, 837, 277, 835, 999 etc) ensures clear and reliable handling of text inputs through to final output screens. My strong analytical and problem-solving skills allow me to design a codebase that accommodates easy tweakability - so you can easily make changes to the logical flow whenever needed. On top of this technical prowess, I've actively adopted industry-standard practices like Git version control and writing clear documentation. This means you'll not only receive a robust solution but also clean code with concise inline documentation for future reference. Utilizing these skills and ensuring adherence to high-quality standards at all times, I will create for you an intuitive tool that will save time right from day one. Let's discuss more details about the project and get it done!
₹112,500 INR in 7 days
6.1
6.1

Hello Mr. Client, I will build your robust well AI automation engine using MATLAB and Python. I will completely develop a scalable application. Please, award me to start the work. Thanks Ashish Kumar
₹150,000 INR in 21 days
5.3
5.3

I propose building a. Net MAUI app to support the requirements above. I would provide a datastore to implement the rules so they can be easily modified as desired. I am a. Net developer with over 20 years experience of developing high quality Web and desktop applications. I would have the source code in github and build the application using github actions for CI. If you provide more details I can flesh out the proposal for you eg rules etc.
₹112,500 INR in 7 days
4.8
4.8

Hi there, I have carefully reviewed your requirement for a cross platform desktop application and I understand you need a reliable tool where users can input text, apply predefined business logic, and instantly receive accurate results in a clean and intuitive interface. I have experience building desktop applications with Python using PyQt and also with cross platform frameworks where focus is on performance, clean UI, and maintainable architecture. I can design the full system including input parsing, rule based processing engine, and result rendering in a way that is easy for you to update in the future without touching core structure. Let's connect to discuss and start work! Thanks Saurabh
₹80,000 INR in 30 days
4.3
4.3

Hey, I noticed your project, Custom Cross-Platform Automation Tool and believe I can help. My work in Python has prepared me well for this kind of project. Looking forward to hearing your thoughts.
₹75,000 INR in 7 days
3.8
3.8

As an accomplished developer with more than 8 years of experience, I believe my skills and expertise make me the ideal candidate for your custom cross-platform automation tool project. I have a strong background in crafting dynamic web and app solutions, which will be instrumental in transforming your set of business rules into a robust desktop application. Proficient in both Python and C#, I can easily capitalize on popular toolkits like PyQt/PySide, or .NET MAUI to ensure a native-feeling experience on both Windows and macOS systems. My knowledge and understanding of different Operating Systems will guarantee consistent look, feel, and functioning across platforms. Additionally, my proficiency in error handling & logging will enable me to provide friendly messages for users while providing detailed logs for our reference. In line with your project milestones, I assure you not only a clean code but also concise inline documentation that would facilitate easy tweaking of calculation/decision logic even when the project ends. You can depend on my vast experience also to develop a well-detailed user guide covering installation, basic use, and common troubleshooting steps - ensuring even non-tech-savvy users would be able to take advantage of the full functionalities of your tool. Let's collaborate and create an intuitive, customized, cross-platform solution that simplifies complex data processing tasks for you!
₹112,500 INR in 7 days
4.0
4.0

Regardless of the tech stack you choose, my team and I have the expertise to turn your vision into reality. We have 10+ years of experience in Software development, offering Web, Mobile, and IT services, which are very much aligned with your project’s needs. Our processes ensure we offer superior value in terms of creativity, quality, speed and price - a unique combination that sets us apart. Building an automation engine that implements customizable calculation/decision logic is second nature to us. We have the skills and acumen for designing intuitive UIs that are keyboard-friendly yet void of unnecessary clutter - necessary for a positive user experience with a native-feeling app on both Windows and macOS. Additionally, our team is well-versed in crafting detailed error messages for users while maintaining logs troubleshooting for you. Delivery-focused and meticulous documentation is one of our trademarks. You can be assured of clean code with concise inline documentation - ensuring not only easy modification when required but also allowing smoother hand-offs if ever needed. We understand that it’s essential for you to have packaged installers readily available; thus, building scripts/CI workflows to generate installers is part of our skillset. One area where we go above and beyond is post-delivery support. Your satisfaction is guaranteed as we provide 45 days error-free service, daily progress reports, continued
₹85,000 INR in 10 days
4.8
4.8

Hello there, The biggest challenge in automation tools like this is usually not the UI itself, but designing a parsing and rules engine flexible enough that business logic can evolve later without requiring major rewrites. I would build the application using Python + PySide/PyQt or .NET MAUI depending on your long-term maintenance preference. My recommendation would likely lean toward Python/PySide because it allows faster iteration for parsing-heavy automation workflows while still supporting polished cross-platform desktop packaging for Windows and macOS. One important architecture decision I would make early is separating the automation/rules engine completely from the UI layer. This makes future rule updates, testing, debugging, and expansion significantly easier while keeping the desktop app stable and maintainable. The system can include: * free-form text parsing engine * modular rule/calculation workflows * cross-platform desktop UI * structured logging & diagnostics * validation/error handling * packaged installers (.exe/.dmg) * CI/build automation * maintainable architecture for future rule changes Questions: 1. Will the business rules mostly be deterministic calculations, or should the architecture support AI/NLP-assisted parsing later? 2. Do users need local-only/offline processing, or should the app support cloud sync/API integrations in future phases? Best regards, Bhupesh
₹100,000 INR in 15 days
3.1
3.1

Hi, I can build a robust cross-platform desktop application with a clean native-feeling UI, flexible automation engine, detailed logging, and packaged installers for both Windows and macOS using PyQt/PySide or .NET MAUI based on your long-term maintainability goals. I’ve developed desktop automation and business-rule processing tools with structured parsing, calculation workflows, CI-based installer generation, and user-friendly interfaces designed for reliability, performance, and easy future customization.
₹112,500 INR in 7 days
3.1
3.1

Hello, I’m very interested in developing your cross-platform desktop application and turning your business rules into a reliable, intuitive, and production ready tool for both Windows and macOS. I have experience building desktop applications using Python with PySide as well as modern cross-platform architectures focused on clean UI/UX, performance, and maintainable business logic. For your project, I would design a streamlined workflow where users can easily paste or enter free-form text, trigger processing with a single action, and receive fast, accurate results based on the calculation and decision rules defined during our specification phase. The automation engine will be structured in a modular and editable way so future logic updates remain simple and scalable without requiring major rewrites. I will also implement professional error handling, structured logging, and user-friendly validation messages to ensure stability and easier troubleshooting. The final delivery will include fully documented source code, installer packages for Windows and macOS, build scripts or CI workflows for generating future builds, and a concise user guide covering installation and operation. My focus will be delivering a native-feeling desktop application that is clean, keyboard-friendly, stable, and efficient while matching all provided test cases and operating smoothly on modern Windows and macOS systems.
₹150,000 INR in 7 days
2.9
2.9

Boasting years of experience in developing desktop applications, I am Sumit - a versatile developer who can offer precisely what you need for this cross-platform automation project. My extensive skills in Automation and cross-platform development are an ideal mesh with the complex requirements of your tool. One of the major points to consider is the efficiency of the automation engine, and I completely understand its significance. I am confident in my ability to implement your calculation/decision logic while ensuring that even after completion, you'll be able to tweak it without hassle. Moreover, I have built highly-responsive and sleek UIs - a skill that will blend seamlessly with your 'no clutter' and 'keyboard-friendly' requirements. With me, you'll receive much more than just coding skills; you'll have a partner constantly striving to save your time and give you ultimate control over your business rules - all within a robust packaged installer solution for Windows (.exe or .msi) and macOS (.dmg or .pkg). If chosen, the success of your project will be my priority. Let's make this tool together!
₹75,000 INR in 7 days
2.6
2.6

Dear Client I saw your requirements regarding to develop a custom cross platform application development for automation using python. I can develop this application ASAP. I developed many application is similar to your requirements. Let share further details. Thanks and Regards Kannadasan K
₹75,000 INR in 1 day
1.4
1.4

Hi, I’m an AI Automation Specialist, AI Agent Developer, and Full-Stack Developer with expertise in building agentic AI systems, LLM integrations, workflow automation, and scalable web applications that streamline and optimize business operations. I can help deliver a reliable, efficient, and scalable solution tailored to your project requirements while ensuring clean implementation, smooth integrations, and long-term maintainability. Flexible pricing available based on scope and complexity. Fast delivery • Clean implementation • Reliable communication • Long-term support
₹112,500 INR in 1 day
1.6
1.6

I'll turn your business rules into a robust desktop application tailored to your specific needs. Given the emphasis on a clean backend structure and reliable deployment, I envision building the project using Python with FastAPI as the core technology. This setup will enable seamless integrations, robust error handling, and easy maintainability. As someone who has delivered closely related work through Jarvis AI - Personal Automation Assistant, I'm confident in my ability to handle the delivery risk in this project. Specifically, I designed Jarvis AI to orchestrate 30+ automated workflows across scraping, system actions, and API-driven automation, which maps well to the technical challenges in this job. My execution plan will involve creating clean backend code, environment setup instructions, and a clear API integration flow. Before delivery starts, I'd like to clarify the scope, the first milestone, and the most important technical constraint. To confirm, do you already have the API contracts and environment ready, or should I define that structure first?
₹95,284 INR in 7 days
1.0
1.0

As a full-stack software developer with over 4 years of experience, my skills align perfectly with your project requirements. I have a great deal of expertise in both frontend and backend development, which plays a crucial role in creating efficient cross-platform applications. I'm especially equipped with Python and PyQt/PySide or .NET MAUI on C#, which qualifies me to select the most appropriate stack for your needs. Moreover, my proficiency extends beyond just coding; I prioritize clear thinking and thoughtful UI decisions to ensure the flow of your workflow application is as smooth as possible. One of my key strengths is creating clean, scalable, and well-documented code that aligns with your need for tweakability. I am thorough in my approach and will ensure that all inputs are processed exactly according to your outlined logic during our spec session Finally, incorporating carding installers and generating concise inline documentation are second nature to me. I've accomplished similar tasks for several complex projects in the past. Given the opportunity, you can rest assured of a solution that meets your specifications precisely, launches without warnings on current Windows 10/11 and macOS Sonoma systems and saves time from day one.
₹75,500 INR in 7 days
1.1
1.1

Your requirement is the kind of desktop tool where clean architecture and usability are just as important as the underlying logic engine. I can help you build a fast, reliable cross-platform application with a simple workflow: structured text input → processing engine → clear results/output. For this type of application, I’d likely recommend : - .NET MAUI if you prefer tighter native ecosystem alignment. I’d focus on keeping the UX uncluttered and responsive since tools like this are often used repeatedly throughout the day and efficiency matters. Once you share the business rules, sample inputs, and expected outputs, I can suggest the best architecture and provide a phased implementation plan with realistic delivery milestones. Happy to discuss preferred tech stack, deployment workflow, and future extensibility before starting.
₹112,500 INR in 7 days
0.6
0.6

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₹12500-37500 INR
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₹12500-37500 INR
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