C++ Software Engineer

Join to apply for the C++ Software Engineer role at Relia Quest

Are you a passionate Software Engineer who has a proven track record of solving complex problems and being at the forefront of innovation? Pursuing a career at Relia Quest will allow you to write code and manipulate data in ways that have never been done before, driving automation of threat detection and response for one of the world’s fastest growing industries.

You will lead the creation, testing, and deployment of cutting‑edge security technology to enterprise customers across the globe. Above all else, this role will allow you to work and learn from some of the most talented people in the business as well as have a direct contribution to the growth and success of RQ.

• Design and develop ultra‑low‑latency software in modern C++ to process and analyze cybersecurity data from diverse sources (e.g., SIEMs, EDRs, firewalls, cloud platforms, and threat intelligence feeds).
• Build scalable, modular, and reusable components for ingesting, normalizing, and analyzing cybersecurity telemetry and threat intelligence data.
• Optimize software for micro‑ and nanosecond latency using advanced techniques such as lock‑free algorithms, cache‑friendly memory layouts, and kernel‑by‑pass networking.
• Collaborate with cross‑functional teams, including cybersecurity analysts and threat researchers, to understand requirements and deliver solutions that enhance detection, investigation, and response workflows.
• Develop and maintain robust mechanisms for error handling, failover, and data integrity to ensure reliable operation in mission‑critical environments.
• Implement instrumentation and monitoring to track performance metrics, identify bottlenecks, and drive continuous improvement in latency and throughput.
• Contribute to the design and development of APIs and integration points to connect with other components of the cybersecurity platform.
• Write clear and concise technical documentation, including architecture diagrams, operational guides, and post‑mortem reports.
• Participate in a 24×7 follow‑the‑sun support rotation to ensure the reliability of mission‑critical cybersecurity services.

• BS/MS/PhD in Computer Science, Cybersecurity, or related field.
• 3+ years of professional software development experience with modern C++.
• Proven experience building high‑performance, ultra‑low‑latency systems, preferably in a cybersecurity or similarly demanding domain.
• High concurrency requirements needing strong use of multi‑threading and IPC mechanisms (like Pipes, Sockets, etc).
• Experience with endpoint agents.

• Hands‑on experience with one or more of the following technologies:
  Java script, Python, Elasticsearch, Kafka, Apache Spark, Logstash, Hadoop/hive, Tensorflow, Kibana, Athena/Presto/Big Table, Angular, React.
• Experience with cloud platforms such as AWS, GCP, or Azure.
• Solid understanding of unit testing, continuous integration and deployment practices.
• Experience with Agile Methodology.