Sr. Software Engineer - Counter Adversary Operations Team (Hybrid, ROU)

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily . Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We’re also a mission-driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. We’re always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters? The future of cybersecurity starts with you. About Product Group: The Counter Adversary Operations (CAO) Team is a first-of-its kind team that brings together CrowdStrike Falcon® Intelligence and the CrowdStrike® Falcon OverWatch™ threat hunting team to disrupt today’s adversaries and ultimately raise their cost of doing business. Both threat hunting and intelligence operations are essential to detect, disrupt and stop today’s adversaries. About the Role: Join our Counter Adversary Operations team as a Cloud Engineer and architect the infrastructure powering CrowdStrike's next-generation malware analysis ecosystem. You'll build and scale the cloud backbone for four cutting-edge products that are redefining threat detection: Falcon Sandbox's kernel-level evasion-resistant analysis environments, QuickScan Pro's high-throughput pipelines processing millions of files annually, Falcon MalQuery's multi-petabyte search infrastructure enabling real-time queries across 3.5 billion malware samples, and our intelligent Malware Analysis Agent that orchestrates sandboxes, YARA engines, and search capabilities to deliver instant attribution and automated rule generation. This role combines massive scale engineering challenges—from real-time processing of petabyte-scale datasets to coordinating complex distributed analysis workflows—with direct mission impact, as your infrastructure enables security analysts worldwide to stay ahead of the most sophisticated adversaries. You'll work alongside a collaborative team of security researchers and engineers who are passionate about building tools that don't just detect threats, but fundamentally change how the industry approaches malware analysis and threat intelligence. This role is open in Romania, Hybrid. Interviewing process: online Meet us virtually: CrowdStrike Romania What You'll Do: Work on and enrich backend microservices – From researching areas of concern to implementing the final solution. Leverage existing Crowdstrike tool and services to build cloud-based systems to help detect targeted attacks. Brainstorm, research, define, communicate, and build collaboratively with members across multiple teams. Be committed to learning and improving. Be aware of our customers and the difficulties they face and how we can support. Have a strong focus on Quality of Coding through Best Practices, Testing, Logging and Metrics. Work in a Collaborating & Agile environment with a small fast-moving team. Be prepared to mentor other developers on web, backend and data storage technologies and our system. Be aware of our product to improve architecture, knowledge models, user experience, performance, and stability. Be given the autonomy to own your work in a high trust environment. Tech Stack: In-depth knowledge of all is not required, but the ability to ramp-up and learn is. Go (Golang) Docker Kubernetes AWS Redis / S3 / EC2 / IAM Kafka GIT Cassandra ElasticSearch What You'll Need: Degree in Computer Science (or professional experience in data str ... (truncated, view full listing at source)