Senior C++ Developer at Action1
, , United Kingdom -
Full Time


Start Date

Immediate

Expiry Date

09 Feb, 26

Salary

0.0

Posted On

12 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

C++, Cross-Platform Development, System-Level Programming, Multithreading, Asynchronous Programming, Network Programming, Clean Code, Version Control, CI/CD, Production-Ready Software, Problem-Solving, OpenSSL, Endpoint Security, CMake, Bash, PowerShell

Industry

Computer and Network Security

Description
About us: Action1 is an autonomous endpoint management platform that is 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 - AEM’s foundational use case - through peer-to-peer patch distribution and real-time vulnerability assessment without needing a VPN, it eliminates costly, time-consuming routine labor, preempts ransomware and security risks, and protects the digital employee experience. Trusted by thousands of enterprises managing millions of endpoints globally, Action1 is certified for SOC 2 and ISO 27001. The company is founder-led by industry veterans Alex Vovk and Mike Walters, American entrepreneurs who founded Netwrix, which has grown into a multi-billion-dollar industry-leading 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.
Responsibilities
Develop and support a cross-platform endpoint agent for Windows, Linux, and macOS. Ensure the agent is performant, secure, and reliable across all supported operating systems.
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