Sr. Software Engineer, Cloud Detection (Hybrid, London)

Crowd Strike is a global leader in cybersecurity, protecting people, processes and technologies that drive modern organizations.

Since 2011, our mission hasn’t changed — we’re here to stop breaches, redefining modern security with the world’s most advanced AI‑native platform.

About the Team

The Crowd Strike Detection Engine (CDE) team builds a powerful, next‑generation platform designed to be a force multiplier for security teams.

The platform empowers customers using multiple Falcon products to create and manage advanced, unified detections and content.

This core platform capability is a strategic imperative, providing a competitive advantage that is difficult to replicate.

About the Role

We are seeking a highly experienced backend engineer to join the CDE Platform team.

You will design, build, and scale the foundational services that orchestrate data, content, and execution logic across Crowd Strike’s products (e. g., NGSIEM, FCS, Endpoint).

Your work will create a highly performant, scalable, and resilient platform that processes internet‑scale data streams and enables real‑time detection generation.

• What You’ll Do
• Lead backend engineering efforts from rapid prototypes to large‑scale applications across Crowd Strike products.
• Leverage and build cloud‑based systems to detect targeted attacks and automate cyber threat intelligence production at a global scale.
• Brainstorm, define and build collaboratively with members across multiple teams.
• Obsess about learning, and champion the newest technologies & tricks with others, raising the technical IQ of the team.
• Mentor other developers on web, backend, and data storage technologies and our system.
• Continuously re‑evaluate our product to improve architecture, knowledge models, user experience, performance, and stability.
• Own work autonomously in a high‑trust environment.
• What You’ll Need
• Degree in Computer Science (or professional experience in data structures/algorithms/distributed systems).
• Understanding of scalability and distributed systems (sharding, partitioning, concurrency, etc.).
• Team player who is a thorough understander of engineering best practices—from testing paradigms to effective peer code reviews and resilient architecture.
• The ability to thrive in a fast‑paced, test‑driven, collaborative, and iterative programming environment.
• The skill to meet your commitments on time and produce high‑quality software that is unit tested, code reviewed, and checked in regularly for continuous integration.
• Proven experience utilizing AI technologies to enhance decision‑making, streamline workflows and processes, improve efficiency, and drive business outcomes.
• Bonus Points
• Contributions to the open‑source community (Git Hub, Stack Overflow, blogging).
• Existing exposure to Go or C++, Scala, AWS, Cassandra, Kafka, Elasticsearch, etc.
• Prior experience in the cybersecurity or intelligence field.
• Experience in thinking about, designing, or implementing programming languages and/or compilers.
• Interesting hobbies.

Benefits of Working at Crowd Strike

• 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 Networks, geographic neighborhood groups, and volunteer opportunities to build connections.
• Vibrant office culture with world‑class amenities.
• Certified Great Place to Work globally.
• Equal Employment Opportunity Statement

Crowd Strike is 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.

Crowd Strike is committed to providing equal employment opportunity for all employees and applicants for employment.

The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy‑related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law.

We base all employment decisions—including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay‑offs, return from lay‑offs, terminations and social/recreational programs—on valid job requirements.

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