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Windows Internals Engineer (C++)

Full-time
Job Overview

Vacancy Description

We are looking for a Windows Internals Engineer to join our client, a cybersecurity company focused on prevention-first anti-ransomware protection and endpoint security.

This role is a strong fit for an experienced low-level engineer with deep knowledge of C++, Windows internals, and security-oriented system development. You will work on endpoint protection modules that help defend against complex real-world threats.

Requirements

  • More than 6 years of experience in software development with strong expertise in C++.
  • Experience with Windows API and multithreading.
  • AI Native: hands-on experience using AI coding tools (e.g., Claude Code) and building with LLM APIs.
  • Strong analytical and problem-solving skills with a passion for security.
  • Experience working on large-scale, high-performance systems with complex requirements.
  • Excellent communication skills and collaboration.
  • Using Common LLM tools to improve day-to-day throughput (e.g., Claude code).

Would be a plus

  • Knowledge of cybersecurity and the threat landscape.
  • Extensive understanding of LLM tools (e.g., agents, skills, etc.).
  • Familiarity with security concepts such as buffer overflows, race conditions, code injection, and privilege escalation. 
  • Deep understanding of Windows OS internals.
  • Modern C++.
  • Experience with Windows drivers, file systems, or network protocols. 
  • Knowledge of reverse engineering, malware analysis, or exploit development. 
  • .NET/C# experience.

Responsibilities

  • Design, develop, and maintain end-to-end security modules in C/C++ that power Morphisec’s endpoint protection. 
  • Work with low-level Windows internals, including kernel mode and user mode development.  
  • Lead the development of innovative security solutions that address complex real-world threats. 
  • Investigate and resolve advanced security-related issues and vulnerabilities. 
  • Collaborate closely with the product and research teams. 
  • Stay up to date with emerging threats and vulnerability trends to enhance Morphisec’s defense mechanisms. 
  • Participate in code reviews, mentoring, and technical discussions to ensure high-quality engineering practices across the team. 
Why IdeaSoft

What We Offer

vacancy offer

Competitive compensation

vacancy offer

Social package (24 working days of annual leave and 5 paid sick days)

vacancy offer

Flexible working hours

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Challenging projects in diverse business domains and a variety of tech stacks

vacancy offer

Personal development and professional growth opportunities

vacancy offer

Work with talented, ambitious and family-feel team

vacancy offer

Educational possibilities: corporate courses, knowledge hubs, and in-house English classes

vacancy offer

Compensation for your professional certification & support for your learning activities

vacancy offer

Opportunity to choose IT equipment you like

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Corporate social responsibility

Tamara Mitiagina
Tamara Mitiagina
Head of Recruitment
Send Your CV

Would you like to join us?

Please send your resume for our review, and we will be in touch with you soon.

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