Sr. Software Engineer, Cloud (Hybrid, London)

About the Role:

Does building systems that help security analysts close a critical incident before it becomes a breach excite you Does correlating and analyzing data at trillions-of-events-per-day scale sound like the kind of challenge you want to wake up to Do you care deeply about cybersecurity and want to play an active role in helping organizations defend themselves from sophisticated cyberattacks Wed love to meet you.

We are seeking a Senior Cloud Software Engineer to join our Threat Detection and Incident Response (TDIR) team helping revolutionize security management with our AI-native Falcon Next-Gen SIEM platform enabling customers to detect investigate and hunt down threats 150x faster at Petabyte scale.

Youll design architect and develop world-class case management and investigation capabilities in Go empowering security analysts to be more effective at incident response threat hunting and collaborative investigations. Youll build intelligent workflows that connect detections evidence and response actions into cohesive cases. Leveraging advanced correlation contextual enrichment and AI/ML-powered insights youll help security teams work smarter through intelligent threat prioritization automated investigation suggestions and agentic analyst workflows helping them respond faster to emerging threats.

While Go experience is preferred strong backend engineers from other languages who can demonstrate rapid adaptability and a track record of delivering at scale are welcome to apply. If this is the kind of scale and impact youre looking for wed love to hear from you.

What Youll do:

• Own the engineering bar. Drive architectural improvements set the standard for code quality and ensure our systems are performant reliable and built to last not just for todays scale but for whats next

• Lead system design and architecture decisions including design reviews and RFC processes

• Develop Go-based microservices supporting threat detection case management and incident response workflows alongside RESTful APIs that power customer-facing capabilities

• Take end-to-end ownership of technical initiatives both individually and as part of a team across projects of increasing scope and complexity

• Work closely with designers product managers and engineers across product groups to understand design and implement solutions

• Mentor junior and mid-level engineers through pair programming code reviews and one-on-one knowledge sharing

• Contribute to AI-powered capabilities including LLM integration agentic workflows and intelligent analyst tooling

• Participate in the on-call rotation and drive improvements that reduce your teams toil and increase system reliability

• Operate with a high degree of autonomy youll be trusted to make decisions and drive outcomes

What Youll Need:

• A collaborative team player who lifts those around them (We believe in: One team. One fight!)

• 8 years of professional software engineering experience with 5 years building and operating distributed systems or cloud-native services at scale in production

• Solid understanding of distributed systems scalability RESTful patterns and multithreading concepts

• Proficiency building and scaling resilient low-latency services in production using Go Python Java C or C#

• Hands-on experience with Docker Kubernetes and cloud platforms preferably AWS or GCP

• Strong communicator and collaborator across functions and levels with a bias for ownership and a customer-first mindset

• Proven ability to translate complex and ambiguous business requirements into technical solutions and deliver projects on schedule

Bonus points:

• Currently developing Go-based microservices for scalable high-throughput architectures

• Experience in cybersecurity SIEM SOAR or adjacent security domains

• Hands-on experience with LLM integration prompt engineering RAG pipelines or agentic AI frameworks

#LI-GO1

Benefits of Working at CrowdStrike:

• 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

• 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.

CrowdStrike 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-off terminations and social/recreational programs--on valid job requirements.

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