Windows Systems / Low-Level Engineer (OS Internals & Platform Infrastructure)

Posted 4 Hours Ago
Be an Early Applicant
Hiring Remotely in POL
Remote
Senior level
Information Technology • Consulting
The Role
Develop and maintain Windows system-level components, build persistent agents, implement OS-integrated infrastructure, and debug OS-level issues.
Summary Generated by Built In
Description

MWDN is a global IT outstaffing company with 23+ years of experience that connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We offer opportunities to work on international products in a stable and professional environment.

Why does MWDN rock?

Here’s what you can expect when you join MWDN:

  • Security: We carefully vet our clients to minimize risks and ensure reliability and timely payments—no fraud or unpleasant surprises.
  • Career support: If a project isn’t the right fit, we support you and actively help find new opportunities that match your skills and career goals.
  • Legal assistance: We provide guidance on legal matters, including opening and managing your independent contractor or sole proprietorship status, taxes, and related processes.
  • Professional development: We offer English courses and professional growth opportunities, as well as team-building events.

Why choose us? MWDN is ranked among the top 5 IT employers in our region according to DOU. We take pride in our transparency and strong commitment to our team. Curious to learn more? See what our employees say about working with us on DOU.

What is your new project?
  • Domain: AI-powered sales co-pilot 
  • Location: Israel, USA
  • Company size: up to 10 employees
  • Founded in: 2025
What makes this project exciting?

Join a forward-thinking technology company building intelligent systems that transform how people interact with digital experiences. Focused on the next generation of AI-driven applications, the company develops advanced solutions powered by large language models and real-time decision-making to create responsive, adaptive platforms.

If you’re passionate about building cutting-edge AI systems and want to help shape technology that can reason, adapt, and communicate instantly, this is an opportunity to contribute to a platform redefining intelligent interaction.

What makes you a great fit
  • 5+ years of experience in Windows system-level development
  • Strong expertise in C++ (mandatory)
  • Deep understanding of Windows internals
  • Strong knowledge of WinAPI and OS-level programming
  • Experience with networking, system hooks, and OS event handling
  • Understanding of Windows security model (UAC, permissions, service isolation)
  • Experience in performance-critical or low-latency systems
  • Strong debugging skills using system tools (logs, profilers, tracers)
  • Upper-intermediate+ level of English
  • Experience with Electron / Chromium internals will be a plus
  • Cross-platform development experience (macOS/Linux awareness) will be a plus
Your day-to-day in this position
  • Develop and maintain Windows system-level components and services
  • Build and support Windows background services and persistent agents
  • Design and implement OS-integrated infrastructure: system services lifecycle management, auto-update mechanisms, device and environment detection
  • Work with Windows OS internals and native APIs (WinAPI)
  • Implement low-level networking and system integrations
  • Work on system-level audio/video integration on Windows
  • Optimize the performance of background services and system processes
  • Debug complex OS-level issues (crashes, performance bottlenecks, race conditions)
  • Collaborate on cross-platform desktop architecture (macOS/Windows parity)
Why work with us?
  • People-oriented management without bureaucracy
  • The friendly climate inside the company is confirmed by the frequent comeback of previous employees
  • Flexible working schedule
  • Full financial and legal support for private entrepreneurs
  • Free English classes with native speakers or with Ukrainian teachers (for your choice)
  • Dedicated HR
Our next steps

✅ Intro call with a Recruiter — ✅ Client intro interview — ✅ Сlient tech interview — ✅ Offer

Top Skills

C++
Chromium
Electron
Winapi
Windows
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The Company
Warszawa
143 Employees
Year Founded: 2002

What We Do

MWDN bridges the gap between your business and the top-tier talents worldwide. With strategically located delivery centers across Central and Eastern Europe, MWDN empowers startups and established businesses in the USA, Europe, and Israel. Let MWDN connect you to the talent that turns the impossible into reality. What we offer: ✔️200+ in-house software development and tech engineers – a global pool of IT and digital experts ✔️60% saving on direct labor costs and other payment plans for tight-budget projects ✔️20 years of experience in healthcare, logistics, fintech, cybersecurity, and manufacturing software ✔️24/7 assistance with your remote teams, regardless of their location Our services: - Staff augmentation - Dedicated teams - R&D team extension - Global IT recruitment Our expertise: - Transportation and logistics - Cybersecurity - FinTech - Blockchain - Construction - Medical sphere and healthcare - Telecommunication - ATS - GameDev We personalize our services for each client, and some of them have stayed with us for years! See what they say. SHARON VIENTE - Co-Founder & CTO Better Chains “I approached MWDN for a POC that was delivered ahead of time with very competitive pricing. Following that experience, I have been working with various teams at MWDN for more than two years. Developers and managers have. great technical and interpersonal qualities.” NETANEL MOHONI - CEO, VIDOO “MWDN is one of the best subcontractors we’re working with. The development team are experts, and the management team are flexible and opportunity creators. Definitely the right choice.” Let’s get in touch: [email protected]

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