Windows Developer C#/C++ (Customer focus)

About The Position

MWDN connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We aim to ensure our employees enjoy a rewarding and secure experience while collaborating with prestigious international clients.

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 .

What is your new project?

• Domain: Security
• Location: Israel
• Company size: 51-200 employees

• Founded in: 2019

   

What makes you a great fit

• 3+ years of professional development experience (we mostly use C#).
• Understanding of Windows OS Internals (Processes/Threads, Memory Management, File Systems, and Registry).
• Proven track record in debugging complex systems. You should be comfortable navigating unfamiliar codebases to find the source of a leak or a crash.
• Problem-Solving: The ability to stay calm under pressure during remote customer sessions and provide a clear path to resolution.
• An Advantage: Experience with Kernel-mode development (drivers), network protocols, or cybersecurity threat prevention.

• At least an upper-intermediate level of English. You must be able to explain complex technical issues to both IT managers and fellow developers.

   

Your day-to-day in this position

• Live Investigation: Lead remote technical sessions with customers to investigate complex software malfunctions, performance bottlenecks, and security gaps in real-time.
• Advanced Debugging: perform root-cause analysis on Windows-based endpoint systems.
• Code Resolution: Design and implement code fixes (C#) or features to enhance product stability and meet specific customer requirements.
• Sustaining Engineering: Own the entire lifecycle of a fix, from reproducing the bug to final deployment at the customer site.

• Technical Advocacy: influence the core product roadmap based on recurring issues and customer feedback.

   

Why work with us?

• People-first management with minimal bureaucracy
• A friendly company culture, proven by employees who choose to return
• Flexible working hours
• 29 days of PTO (18 working days per year pluse all national holidays)
• 10 paid sick days
• Full financial and legal support for independent contractors
• Free English classes, with native speakers or Ukrainian teachers

• Dedicated HR support

   

Our next steps

✅ Intro call with a Recruiter — ✅ Client tech interview — ✅ Second tech interview — ✅ HR client interview — ✅ Reference check — ✅ Offer