Top Windows API Development freelancers

48 freelancers list Windows API Development on Upwork.

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Showing 48 of 48Data updated Nov 7

# Freelancer		SinceMember since
Aleksandr S. 🇦🇲🇦🇲 Expert C++ Engineer \| Multithreading, Cybersecurity, High-Performance	$29k0%	Nov 2014Nov 16, 2014
Volodymyr T. 🇺🇦🇺🇦 Cross-Platform Software Architect	$26k↓ 5%	Nov 2006Nov 1, 2006
Dmitrii Z. 🇰🇿🇰🇿 Senior Full-stack .NET/C# Developer \| WPF and Silverlight Expert	$5k↑ 3%	Nov 2012Nov 8, 2012
4 Yury Z. 🇺🇿🇺🇿 Full stack Python, Javascript, C++, Golang, PHP, Perl	$2k↑ 1%	Feb 2023Feb 24, 2023
5 Soumen S. 🇮🇳🇮🇳 Web Development, Web Designing, E-Commerce, Testing & QA Specialist	$2k↑ 2%	Mar 2011Mar 9, 2011
6 Mark S. 🇺🇸🇺🇸 Senior Software Engineer	$1k↑ 5%	May 2022May 6, 2022
7 Truong Phuc N. 🇻🇳 NewNew🇻🇳 Full-Stack PHP Developer \| SaaS, APIs & Business Systems	$816–	Sep 2026Sep 17, 2026
8 Movses M. 🇦🇲🇦🇲 Software Engineer \| C++ \| Python \| AI \| Cross-Platform	$812↓ 10%	Jul 2016Jul 2, 2016
9 Vu Thanh L. 🇻🇳🇻🇳 Web Developer	$632↓ 1%	Jul 2013Jul 7, 2013
10 Muhammad A. 🇵🇰🇵🇰 .NET Developer \| WPF, WinForms, Avalonia & Backend	$564↓ 7%	Mar 2010Mar 10, 2010

Freelancer	MRR	Member since
11 Corvary D. 🇵🇭🇵🇭 Senior Software Engineer \| AI Integrated Apps & Automation	$525–	Feb 2026Feb 9, 2026
12 Joseph D. 🇺🇸 NewPrivate profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Oct 22, 2026.New🇺🇸 Senior C/C++ & Python Engineer \| Qt, Embedded, PCB Design & AI/ML	≈$406–	Nov 2024Nov 24, 2024
13 Daniel I. 🇷🇴🇷🇴 Senior developer with 25+ years of experience	$206↓ 12%	May 2017May 3, 2017
14 Sergey K. 🇺🇦🇺🇦 Desktop Software Development	$60↓ 1%	Jul 2018Jul 3, 2018
15 Muhammad Bilal K. 🇵🇰🇵🇰 Systems Engineer: Desktop(C++,ROS), Firmware, Hardware(ASIC/FPGA) &Web	$54↓ 1%	Feb 2010Feb 5, 2010
16 Shehab A. 🇪🇬🇪🇬 C++ & Qt Developer \| Desktop Applications & Systems Development	$26↓ 1%	Jun 2023Jun 15, 2023
17 Muhammad Usman G. 🇵🇰🇵🇰 Full Stack Developer & SaaS MVPs \| Next.js, Supabase \| n8n \| Agents	$24↓ 45%	Feb 2019Feb 18, 2019
18 Amro W. 🇪🇬Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇪🇬 Senior Full Stack .NET Developer C# Blazor MAUI ASP.NET	≈$6–	Jun 2018Jun 18, 2018
19 Alex P. 🇺🇦🇺🇦 Experienced Full Stack Developer, Team Leader	$0–	Nov 2008Nov 30, 2008
20 Victor G. 🇬🇪🇬🇪 Real-time Audio & Streaming Engineer \| Networking, Drivers, Embedded	$0–	Jun 2019Jun 5, 2019

Freelancer	MRR	Member since
21 Saad S. 🇵🇰🇵🇰 Node.js Backend Engineer \| AWS APIs \| AI/LLM Integrations	$0–	Jun 2017Jun 20, 2017
22 Marko C. 🇲🇰🇲🇰 Experienced full-stack desktop/mobile/web developer	$0–	Oct 2013Oct 30, 2013
23 Jan M. 🇩🇪🇩🇪 AI Consultant for Business Automation & Tools	$0–	Oct 2011Oct 25, 2011
24 Gevorg V. 🇦🇲🇦🇲 Expert C++ Developer, Armenia	$0–	Jul 2010Jul 12, 2010
25 Subhodeep B. 🇮🇳🇮🇳 Windows Desktop App Developer \| C# .Net, Plugins \| Serial, USB, TCP/IP	$0–	Jan 2017Jan 14, 2017
26 Robert P. 🇺🇸🇺🇸 Software Engineer	$0–	Jan 2018Jan 28, 2018
27 Chia G. 🇲🇾🇲🇾 Director \| Senior ELV, VMS, CCTV & Forensic Consultant (17y Exp)	$0–	Feb 2023Feb 17, 2023
28 Kalpna G. 🇮🇳🇮🇳 PKI, Encryption, Signature, PDF, HSM, NFC, Reverse Engineering, FIDO	$0–	Dec 2021Dec 25, 2021
29 Aravind A. 🇮🇳🇮🇳 Freelance Software Developer - C/C++/C#/Python - Linux/Windows	$0–	Dec 2020Dec 31, 2020
30 Ruben Y. 🇦🇲🇦🇲 Passionate C++ \| Java - Backend & Desktop Application Engineer	$0–	Jan 2019Jan 6, 2019

Freelancer	MRR	Member since
31 PengXuan J. 🇨🇳🇨🇳 C/C++ Developer Windows & Linux	$0–	Dec 2022Dec 22, 2022
32 Vijayakumar B. 🇮🇳🇮🇳 Windows & macOS System Software Engineer \| Drivers, AI	$0–	Apr 2017Apr 14, 2017
33 Hamza S. 🇵🇰🇵🇰 Video Streaming, Encoding / Transcoding, Multimedia, Linux & Windows	$0–	Jul 2008Jul 18, 2008
34 Luka U. 🇷🇸🇷🇸 Full-Stack Developer \| .NET React Flutter	$0–	Feb 2021Feb 26, 2021
35 Amit R. 🇮🇳🇮🇳 Desktop App Developer with 22+ yrs Exp in C++.	$0–	Apr 2020Apr 1, 2020
36 Vladimir F. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 Kernel expert	≈$0–	Jan 2017Jan 8, 2017
37 Karen B. 🇦🇲Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇦🇲 Senior C/C++/trading software developer	≈$0–	Sep 2004Sep 11, 2004
38 Krishnaswamy B. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 AI/ML Architect, Design and Development	≈$0–	Jun 2007Jun 25, 2007
39 Stefan A. 🇦🇺Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇦🇺 Wasm & win32 - C/C++ specialist, automation & data analysis experience	≈$0–	Jul 2016Jul 4, 2016
40 Andrey S. 🇰🇿Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇰🇿 Ph.D, Technical Director (CTO) C/C++ Software Engineering PCB design	≈$0–	Sep 2015Sep 16, 2015

Freelancer	MRR	Member since
41 Viktor H. 🇺🇦Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇺🇦 SOLID Web (Fullstack) Developer. PHP, Javascript, HTML, CSS and so on	≈$0–	Dec 2007Dec 13, 2007
42 Roman L. 🇺🇦Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇺🇦 C++ Developer	≈$0–	Dec 2015Dec 16, 2015
43 Amandeep S. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 Expert - C#\|.NET Core\| RESTFul Web API's\| MVC\| jQuery\| JavaScript\| SQL	≈$0–	Mar 2014Mar 14, 2014
44 Oleksiy H. 🇺🇦Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇺🇦 A Programmer	≈$0–	Oct 2014Oct 30, 2014
45 Peter S. 🇨🇦Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇨🇦 .NET and Senior WPF Developer (ASP.NET also)	≈$0–	Nov 2006Nov 29, 2006
46 Rahul B. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇮🇳 Desktop Application Expert \| VB.NET\| C, C++, C#.NET \| NodeJS, React.JS	≈$0–	Feb 2013Feb 23, 2013
47 Vitaliy Y. 🇭🇷Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇭🇷 C/C++ Senior Software Engineer	≈$0–	Jun 2013Jun 25, 2013
48 Ahmad A. 🇵🇰Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇵🇰 .NET Core, .NET Framework, .Net MVC, MSSQL	≈$0–	Aug 2023Aug 16, 2023

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