
Closed
Posted
I’m building a low-level component for Windows and need an experienced C developer who is comfortable working close to the operating system itself. The focus is pure system programming: interacting with Windows internals, leveraging the Win32 API, and writing efficient, secure code that compiles cleanly with MSVC / clang. What I will provide: • A concise specification of the module’s purpose and required interfaces • Any existing code skeletons and test harnesses • Clear, reproducible steps for validating the build What I need from you: • Well-structured C source and headers, fully commented • A short README explaining build flags, dependencies, and usage • Verification that the solution runs on current Windows 10/11 releases Acceptance criteria • Source compiles without warnings at /W4 • All supplied tests pass on x64 Windows • No external libraries beyond standard Windows SDK unless pre-approved If you’ve written kernel-mode drivers or tight Win32 utilities before, this will feel familiar. Let’s discuss the details and get started.
Project ID: 40678402
34 proposals
Remote project
Active 13 mins ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
34 freelancers are bidding on average ₹883 INR/hour for this job

As a frontend developer who's led a senior team for 13+ years, I understand the importance of clean and efficient code, and I think my experience can be a great fit for your low-level Windows component. Although I haven't worked directly with the kernel or Win32 utilities before, my strength lies in adaptability and quick learning. So, while it may not be exactly parallel, I'm confident that my knack for system programming will allow me to ramp up quickly on this project. With 99% positive reviews on over 300 projects completed, including for funded startups and enterprise clients, my commitment to clear communication, clean code, and predictable delivery is not just lip service. It's a testament to my diligence as a developer and the kind of service you can expect when we work together. I'll make sure your provided specifications are adhered to meticulously and deliver neatly structured C source and headers which are fully commented. Given the nature of your project, compliance with the Windows SDK beyond any pre-approved external libraries is definitively ensured from my end. Additionally, you can count on a short but informative README accompanying the code that captures build flags, dependencies, usage guide - everything you might need to ensure hassle-free deployment and maintenance. Let's have a conversation about how we can tackle your Windows module head-on.
₹1,000 INR in 40 days
5.7
5.7

Hello, I have 11+ years of experience as a Senior UI/UX and Front-End Developer, delivering high-quality, user-focused web solutions. I specialize in building clean, scalable, and pixel-perfect interfaces that ensure smooth performance across all devices and browsers. My focus is not just on development, but on creating fast, SEO-friendly, and conversion-optimized experiences. ? “Here’s what I deliver:” ✅ • Frontend: HTML, CSS, SASS, Tailwind CSS, Bootstrap • JavaScript: JavaScript, jQuery, React, Angular, Next js • Platforms: Shopify, WordPress, Webflow • UI/UX: Responsive design, animations, performance optimization I’m available to start immediately and would be happy to discuss how I can add value to your project. Best regards, Nirbhay
₹1,000 INR in 40 days
3.9
3.9

Hello, With 14 years of windows development experience using MSVC/C++ as development tool and MFC/WIN32 api as frameworks for building applications, Hope I would be able to help you on these requirements. Let's discuss if you feel we can go ahead on this. Thanks.
₹750 INR in 30 days
1.6
1.6

Proposal for Windows Low-Level Component Development Hello, I’m Karthik, a C developer with over 15 years of experience in system programming. I am excited about the opportunity to work on your low-level component for Windows. My extensive background in interacting with Windows internals and leveraging the Win32 API makes me well-suited for this project. I understand the importance of writing efficient and secure code, and I am committed to delivering well-structured C source and headers, fully commented for clarity. I appreciate the clear specifications and existing code you will provide, which will facilitate a smoother development process. Here’s what I can deliver: - Well-organized C code that compiles cleanly with MSVC/clang, ensuring no warnings at /W4. - A comprehensive README detailing build flags, dependencies, and usage instructions. - Verification of compatibility with current Windows 10/11 releases, along with successful execution of all supplied test cases on x64 Windows. Having worked on kernel-mode drivers and tight Win32 utilities in the past, I am familiar with the nuances of system-level programming. I look forward to discussing the specifics of your project and getting started. Thank you for considering my proposal! Best, Karthik
₹1,330 INR in 40 days
1.2
1.2

Hi, I've reviewed your project, "Frontend developer ", and I understand what you're looking to achieve. Based on the requirements in your project description, my C Programming, HTML5, CSS3 experience aligns well with the work you need. I can carefully review the existing requirements, understand the expected functionality, and implement the solution with a focus on quality, performance, and reliability. Project Requirements: I’m building a low-level component for Windows and need an experienced C developer who is comfortable working close to the operating system itself. The focus is pure system programming: interacting with Windows internals, leveraging the Win32 API, and writing efficient, secure code that compiles cleanly with MSVC / clang. What I will provide: • A concise specification of the module’s purpose and required interfaces • Any existing code skeletons and test harnesses • Clear, reproducible steps for validating the build What I need from you: • Well-structured C source and headers, fully comme I’ll make sure the work is handled professionally, with clear communication throughout the project and attention to the details mentioned in your requirements. I’m ready to discuss the project and get started. Best Regards, Khadija Tul Kubra
₹1,000 INR in 7 days
0.0
0.0

Hello, I understand you need a low-level Windows component developed in C with direct Win32 API and Windows internals work, clean MSVC/clang compilation, and reliable x64 support across Windows 10/11. I have 6+ years of experience in C programming, Windows development, system-level programming, and performance-focused software development. I can implement the module according to your specification with well-structured C source/header files, clear interfaces, proper memory and resource management, error handling, and Windows SDK APIs without unnecessary external dependencies. I’ll ensure the implementation follows secure system-programming practices and remains maintainable. I’ll configure the project for clean /W4 compilation with MSVC/clang, validate all supplied tests on x64 Windows 10/11, and investigate edge cases around API failures, permissions, resource cleanup, and compatibility. I’ll provide the complete commented source code along with a concise README covering build flags, dependencies, usage, and validation steps. I can work directly from your existing code skeleton and test harness. Best Regards, Shailender
₹750 INR in 48 days
0.0
0.0

Hi, I can help implement the Windows component according to your specification, with a focus on clean C code, Win32 API usage, efficient system-level behavior, and compatibility with MSVC/clang. I’ll keep the implementation lightweight and avoid external dependencies unless required and approved. I’ll also provide the source and headers with clear comments, build/usage instructions, and verify the supplied tests on x64 Windows 10/11. Before starting, I’d like to review the module specification, existing code skeleton, and test harness so I can understand the exact interfaces and acceptance requirements. I’m available to start immediately and can work directly against the provided validation steps.
₹900 INR in 40 days
0.0
0.0

We recently helped a client achieve seamless integration of a low-level Windows component — and judging by your post, it sounds like we could do the same for you. We've worked on system programming projects and would love to bring that experience to your project. From your post, it sounds like you're looking for something efficient and secure, specifically around interacting with Windows internals and leveraging the Win32 API. We specialize in C programming and have extensive experience in writing well-structured code that compiles cleanly with MSVC and clang. I would love to help you with your project! The worst that can happen is you walk away with free consultation. Regards, Shannonkb21.
₹750 INR in 14 days
0.0
0.0

Hi, I can help you build a reliable low-level Windows component using clean, efficient C code with proper Win32 API integration and system-level programming practices. I have experience with C development, Windows APIs, and writing performance-focused software that requires careful handling of system resources, security, and compatibility. I’ll ensure the implementation is structured, maintainable, and builds cleanly with MSVC/clang while meeting your validation requirements. What I’ll deliver: * Well-structured C source files and headers with clear documentation * Efficient Win32 API integration following Windows development standards * Clean compilation with MSVC/clang and warning-free builds at /W4 * Proper comments and code organization for future maintenance * README documentation covering build steps, dependencies, and usage * Testing and verification on Windows 10/11 x64 environments * Solutions using only approved Windows SDK components unless additional libraries are required I can start immediately and will communicate clearly throughout the development process. Please share the module specification, existing code skeleton, and test requirements, and I’ll get started. Best regards, Reno
₹1,000 INR in 40 days
0.0
0.0

Hello, I’m interested in working on your Windows low-level component. I understand that the project requires clean and efficient C code, Win32 API integration, and compatibility with MSVC/clang on modern Windows 10/11 systems. I can provide: Well-structured and fully commented C source and header files Clean compilation with /W4 without warnings Proper Win32 API implementation following your specifications A concise README covering build flags, dependencies, and usage Testing and verification on x64 Windows 10/11 No external libraries unless explicitly approved I’ll also make sure the implementation is secure, maintainable, and passes the supplied test harness before delivery. I’m ready to review the specification and existing code skeleton and start immediately. Best regards, Mostafa
₹1,000 INR in 40 days
0.0
0.0

As a Full Stack Developer with a penchant for crafting reliable and efficient systems, the skills I possess are well-suited to your unique project. Although my primary language is JavaScript, C Programming, which you require for this task, happens to be one of my specialties as well. Having built several applications on Windows using the Win32 API, I am familiar with the low-level system programming you need and can produce clean and optimal code compliant with MSVC /clang. In addition, I believe my experience in maintaining & developing REST APIs and administering databases would be invaluable in ensuring your supplied tests pass seamlessly on x64 Windows systems. While adhering strictly to your acceptance criteria, I guarantee you'll receive well-structured C source code with comprehensive comments and detailed README files that will help not only in understanding the build process but also in maintaining the eventual product. Overall, my promise remains steadfast: a commitment to delivering high-quality code that is secure and scalable. Working with me translates to having a dedicated developer who understands the system intricacies of Windows operating system. Don't hesitate to place your project in my hands – together we can make great things happen!
₹750 INR in 32 days
0.0
0.0

Hi, I’d love to help you build your in-app drag-and-drop layout builder for your existing React + Node.js application. I understand that the goal is to create a user-friendly editor where non-technical users can build pages visually, rearrange components on a 12-column responsive grid, customize styles, and see changes instantly in a live preview. What I can deliver: Responsive drag-and-drop editor with 12-column grid Reusable buttons/blocks with customizable themes and styles Live preview with instant state updates JSON-based layout schema with database persistence Clean React/Node.js implementation API integration where required Cross-browser compatibility for Chrome, Firefox, and Safari Performance optimization targeting 90+ Lighthouse score Clean, documented code Short walkthrough/demo explaining the new modules I can also work with Claude or other AI-assisted development tools for rapid prototyping and iteration while keeping the final implementation clean and maintainable. I’m re
₹1,000 INR in 40 days
0.0
0.0

Hello, Thank you for the opportunity! I am a skilled mobile programmer with a strong foundation in C Programming, ready to assist in building your low-level component for Windows. I understand the importance of interacting with Windows internals and leveraging the Win32 API effectively. My focus is solely on producing secure, efficient code that meets your specifications and compiles smoothly with MSVC or clang. I will ensure that the code structure is well-organized, fully commented, and accompanied by a concise README for clarity on build flags and dependencies. Additionally, I am committed to validating the solution on current Windows 10/11 releases, aligning with your acceptance criteria. Please send a message to discuss more about this project. I look forward to serving you! Thank you!
₹875 INR in 3 days
0.0
0.0

Hi there, I’m an experienced C/Win32 systems programmer. Your project is right in my wheelhouse. I deliver exactly what you need: ✅ Clean compiles – /W4 clean with MSVC & Clang (no warnings). ✅ Pure Windows SDK – No external libs unless you pre-approve them. ✅ Fully tested – I’ll run your test harnesses and verify 100% pass on Win10/11 x64. ✅ Well-documented – Full comments in code + a clear README on build flags and usage. My background: I've written kernel-mode drivers (WDM) and low-level Win32 utilities, so I'm deeply comfortable with handles, memory management, and OS internals. I'm available to start immediately. Share the spec/skeleton, and I'll have a draft for you within hours. Happy to jump on a chat to discuss the interfaces. Best, Poushmita Paul
₹1,000 INR in 40 days
0.0
0.0

Hello, I have reviewed your project requirements and understand that you need a reliable C developer for Windows/Win32 system-level programming. I can work with the provided specification, existing code skeleton, test harness, and MSVC/Clang build requirements. I will focus on clean, well-structured code, proper documentation, warning-free compilation, and testing on Windows 10/11. I am also available to discuss the module requirements and implementation details before starting. Thank you.
₹750 INR in 15 days
0.0
0.0

Hello, Building a low-level component for Windows presents unique challenges, particularly in ensuring seamless interaction with Windows internals and achieving optimal performance. My approach would involve thorough analysis of your specifications and existing code skeletons to ensure that the final product is not only efficient but also secure. I will deliver well-structured C source and headers, fully commented for clarity, alongside a comprehensive README detailing build flags, dependencies, and usage instructions. I will also ensure that the solution compiles cleanly without warnings at /W4 and passes all tests on x64 Windows 10/11. To align with your requirements, could you clarify whether there are any specific performance metrics you want to achieve? Additionally, are there any particular features or interfaces you want prioritized in the implementation? Kind regards, Soné Joubert
₹750 INR in 14 days
0.0
0.0

Hi, I’ve developed low-level applications and backend components where performance, OS-level integration and reliable system behavior are critical, including work with C/C++, Windows APIs and native application environments. The most important part of your project is implementing the component close to Windows internals while keeping the code predictable, secure and compatible across current Windows 10/11 x64 environments. ✅ One challenge in low-level Windows development is handling Win32 APIs, memory, handles and system resources correctly without introducing leaks, undefined behavior or compatibility issues. I use defensive C practices, explicit resource management and careful API/error handling, then compile with MSVC/clang at /W4 to catch issues early. ✅ Another difficulty is maintaining reliable behavior across Windows versions and build environments. I keep dependencies limited to the Windows SDK, structure the module with clear interfaces and validate it against the supplied test harness so the final implementation remains maintainable and easy to integrate. I can deliver the C source/headers, build configuration, comments, README and verification on Windows 10/11 x64. I’m also comfortable working from an existing code skeleton and adapting closely to your specification rather than overengineering the module. Best regards, Michel
₹800 INR in 40 days
0.0
0.0

Hi! I’m comfortable with C and low-level Windows development, including Win32 APIs, system-level programming, and writing efficient code for MSVC/clang environments. I can deliver clean, well-structured C source and headers, Win32 API integration, Windows 10/11 x64 compatibility, /W4 warning-free builds, testing against the provided harness, and a concise README covering dependencies, build flags, and usage. I’ll review the specification and existing skeleton first, implement the module, and thoroughly test it against the acceptance criteria before delivery. I’m happy to discuss the requirements and get started.
₹750 INR in 20 days
0.0
0.0

Hi, I’m a Frontend Developer with 7+ years of experience in HTML, CSS, JavaScript, React.js, Bootstrap, WordPress, Shopify, Webflow, and Figma-to-website development. I can build clean, responsive, pixel-perfect interfaces with strong attention to design details, functionality, and cross-browser compatibility. I’m comfortable working with existing codebases, fixing frontend issues, and implementing designs accurately from Figma or other design files. I’m available to start immediately and would be happy to discuss your project requirements. Best regards, Salinder
₹800 INR in 40 days
0.0
0.0

Hi, I’m a Full Stack Developer with strong programming fundamentals and experience working with Windows-based development and debugging. I understand that this project requires clean, efficient C code using the Win32 API, MSVC/Clang compatibility, and reliable x64 Windows 10/11 testing. I can work from your specification and existing code skeleton, implement the required module and interfaces, and provide well-structured source/header files along with a clear README covering build flags, dependencies, and usage. I’ll also verify the implementation with the supplied test harness and ensure the code compiles cleanly with /W4 without unnecessary external dependencies. Before starting, I’d like to review the module specification, existing code skeleton, and test cases so I can confirm the exact implementation approach and scope. I’m available up to 40 hours/week and can start immediately. Thanks, Saurav
₹1,000 INR in 40 days
0.0
0.0

Jagdishpur, India
Member since Aug 29, 2026
₹12500-37500 INR
$30-250 USD
$250-750 USD
£20-250 GBP
$25-50 USD / hour
₹1500-12500 INR
€1500-3000 EUR
₹75000-150000 INR
$30-250 USD
₹12500-37500 INR
₹750-1250 INR / hour
$250-750 USD
$30-250 USD
$30-250 USD
₹100-400 INR / hour
$10-30 CAD
$250-750 USD
$30-250 USD
₹1500-12500 INR
₹12500-37500 INR