Sr. Backend Engineer II

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. We have 3.44 PB of RAM deployed across our fleet of C* servers - 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 the Role:

Are you passionate about building cutting-edge cloud-based security solutions? Do you thrive on solving complex problems in high-volume, data-intensive environments? CrowdStrike is seeking a Senior Engineer II - Cloud to join our elite CrowdStrike Falcon® Next-Gen SIEM team and drive the development of our advanced detections and user and entity behavior analytics (UEBA) solutions. In this role, you'll be at the forefront of designing and implementing innovative features that can handle trillions of events per day, empowering organizations to defend against sophisticated cyber threats with unprecedented efficiency. If you're ready to architect systems that operate at massive scale and make a significant impact on the future of cybersecurity, we want to hear from you.

What We’re All About:

At CrowdStrike, we stop breaches.

We’re here to protect data, systems, technology – and, most importantly, the people they serve. Our cloud-based security is the first line of defense for the data we safeguard, and we are proud of that. Because we know how important our software is, we work fiercely to make sure that what we create works for everyone who needs it, every time. 

We believe in one team, one fight, and our everyday work reflects that – our teams respect every member, and the people we work with care about the product and each other. We also understand that life is just as important as work, and treat time off and flexibility accordingly. We trust you to get the job done without having someone looking over your shoulder.

What You’ll Do:

• Lead the design and development of cloud-native microservices for our Next-Gen SIEM platform, focusing on detections and UEBA capabilities that can process and analyze trillions of events per day.

• Take end-to-end ownership of complex, high-impact projects across multiple teams, driving technical decisions and providing architectural guidance using collaborative tools like Miro.

• Partner with cross-functional teams to define, design, and implement solutions that enhance threat detection and analysis capabilities. Contribute to the medium-term strategic and technical direction by identifying areas of greatest need, and creating plans for improvement.

• Utilize and integrate technologies such as Go, Kafka, Redis, OpenSearch, PostgreSQL, and more to build robust, scalable solutions.

• Optimize and scale existing systems for improved stability, performance, and reliability across business-critical infrastructure, using monitoring tools like Grafana to track and analyze system metrics.

• Mentor junior engineers through pair programming, code reviews, and knowledge sharing, fostering a culture of technical excellence. Additionally, participate in the interview process and coach/mentor new interviewers to maintain high hiring standards.

• Champion software engineering best practices to ensure high-quality deliverables, including robust testing strategies, effective code reviews, comprehensive documentation, continuous integration/deployment, and adherence to architectural principles that promote scalability and maintainability.

• Participate in and lead technical working groups that influence the broader Product team or industry.

• Provide monitoring and operational support for production services, including participating in an on-call rotation for one week approximately every 10-12 weeks.

• Be given the autonomy to own your work in a high trust environment, managing tasks and priorities effectively using Jira.

What You’ll Need: 

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent experience.

• 10+ years of experience in software development, with a focus on cloud-native architectures and distributed systems.

• Expert-level proficiency in at least one modern programming language such as Go (preferred), Python, Java, or C#.

• Demonstrated experience in designing and implementing large-scale, high-performance data processing systems.

• Strong understanding of security concepts, threat detection methodologies, and UEBA principles.

• Proven track record of leading complex technical projects and delivering results on schedule.

• Experience with cloud platforms (preferably AWS) and containerization technologies like Docker and Kubernetes.

• Excellent communication skills, with the ability to explain complex technical concepts to both technical and non-technical audiences.

• A collaborative mindset and the ability to work effectively across teams and disciplines.

Bonus Points:

• Prior experience working in cybersecurity or intelligence fields.

• Experience in developing or working with SIEM or log management solutions.

• Experience with big data technologies such as Kafka, OpenSearch, Cassandra, Spark, or Flink.

• Familiarity with machine learning and AI techniques applied to cybersecurity.

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Benefits of Working at CrowdStrike:

• Remote-friendly and flexible work culture

• Market leader in compensation and equity awards

• Comprehensive physical and mental wellness programs

• Competitive vacation and holidays for recharge

• Paid parental and adoption leaves

• Professional development opportunities for all employees regardless of level or role

• Employee Resource Groups, geographic neighbourhood groups and volunteer opportunities to build connections

• Vibrant office culture with world class amenities

• Great Place to Work Certified™ across the globe

CrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program.

Right to Work

CrowdStrike, Inc. is committed to equal pay for equal work in its compensation practices. The base salary range for this position in the U.S. is $155,000 - $255,000 per year + variable/incentive compensation + equity + benefits. A candidate's salary is determined by various factors including, but not limited to, relevant work experience, skills, certifications, job level, supervisory status, and location.Expected Close Date of Job Posting is:04-10-2025