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Action1

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Senior C++ Developer

Open 54d

About us:

Action1 is an autonomous endpoint management platform trusted by many Fortune 500 companies. Cloud-native, infinitely scalable, highly secure, and configurable in 5 minutes—it just works and is always free for the first 200 endpoints, with no functional limits. By pioneering autonomous OS and third-party patching with peer-to-peer patch distribution and real-time vulnerability assessment without needing a VPN, it eliminates routine labor, preempts ransomware and security risks, and protects the digital employee experience.

In 2025, Action1 was recognized by Inc. 5000 as the fastest-growing private software company in America. The company is founder-led by Alex Vovk and Mike Walters, American entrepreneurs who previously founded Netwrix, a multi-billion-dollar cybersecurity company.

About the Role:

We are seeking an experienced Senior C++ Developer to take a leading role in developing and supporting a cross-platform endpoint agent that runs on Windows, Linux, and macOS. This agent is a key component of our platform, responsible for executing patching workflows, communicating with the cloud backend, collecting system data, and enforcing policies.

You will work closely with a high-caliber team of engineers to ensure that the agent is performant, secure, and reliable across all supported operating systems.

What you'll do

  • Design, develop, and maintain a robust, efficient, and secure cross-platform agent in modern C++.
  • Ensure seamless functionality and consistent behavior across Windows, Linux, and macOS environments.
  • Build integrations with OS-level APIs and services related to patching, system info gathering, and task execution.
  • Optimize agent performance for different platforms and deployment scenarios.
  • Handle communication with the cloud backend using secure and efficient protocols.
  • Stay current on system security best practices and OS updates that affect agent behavior.

Requirements:

  • Strong proficiency in C++ (ideally C++17 or later), with solid cross-platform development experience.
  • Good understanding of system-level programming on at least two of the following: Windows, Linux, macOS.
  • Experience in multithreading and asynchronous programming
  • Experience in network programming (e.g., sockets, REST, HTTP/HTTPS)
  • Writing clean, portable, and maintainable code
  • Familiarity with version control (Git) and CI/CD pipelines.
  • Experience in developing and debugging production-ready software for heterogeneous environments.
  • Strong problem-solving skills and ability to work independently.

Nice to Have:

  • Experience working with OpenSSL, secure communication protocols, or certificate handling.
  • Background in endpoint security, patching, or systems management.
  • Experience with cross-platform build systems (e.g., CMake).
  • Proficiency in Bash, PowerShell
  • Familiarity with cloud services such as AWS, Azure, or GCP.

What We Offer:

  • Fully remote work, giving you the flexibility you need in the modern world
  • A multitude of interesting challenges and opportunities.
  • Non-stop professional growth and learning of new technologies.
  • Stable income and flexible working hours, opportunities for promotion.
  • Friendly and professional peers.

Requirements

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What this application asks

workable

First name, Last name, Email, Headline, Phone, Address, Photo, Education, Experience, Summary, Resume, Cover letter, Notice Period (how soon could you join us if everything goes well?), Spoken Languages (please let us know which languages you speak)

  • Can you share your experience developing secure, cross-platform system-level applications using modern C++? What were some of the key challenges you faced and how did you address them? written answer
  • Could you describe your experience working with Windows internals and OS-level APIs? What kinds of tasks or projects have you handled using these skills? written answer
  • What is your background with Linux internals and OS-level APIs? Can you provide examples of how you've used this expertise in your previous work? written answer
  • Have you worked with macOS internals and OS-level APIs? If so, please describe the types of projects or challenges you've tackled in this area. written answer
  • What experience do you have building Windows-based SaaS products for customers? What was your role and what made these products successful? written answer
  • Can you give an example of a project where you implemented multithreading or asynchronous programming in C++? What approaches or patterns did you use? written answer
  • Could you tell us about your experience with network programming in C++, such as using sockets or implementing REST/HTTP communication? What were the main challenges and how did you solve them? written answer

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