Sr Software Engineer, Cloud - Fusion; Hybrid, Sunnyvale

Position: Sr Software Engineer, Cloud - Fusion (Hybrid, Sunnyvale)
As a global leader in cybersecurity, Crowd Strike 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 Crowd Strike to keep their businesses running, their communities safe and their lives moving forward. We're proud to work for a mission-driven company leveraging AI to transform the way we work. Crowd Strikers drive their careers through flexibility and autonomy while also being expected to contribute to a culture of responsible AI adoption, experimentation, and innovation.

We use an AI-first mindset as a force multiplier to proactively and continuously accelerate execution, build expertise, uncover insights, and solve complex problems. We’re always looking to add talented Crowd Strikers 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:

Our Fusion product is seeking a Senior-to-Principal (Level
7) backend software Engineer to build out a platform product which provides core orchestration and workflow capabilities to all users of Crowdstrike’s Flagship offering, the Falcon Platform, while also offering plug-and-play access to the building block components of the lion's share of our codebase, as well as key feature components among our partner products. Fusion – a core ‘tier one’ offering in our Flagship Platform, Falcon – is used by customers to automate 80% of breach remediation actions with the Falcon Platform.

It also serves as a runtime engine of Foundry, a sibling product which gives the Falcon Platform users access to our whole suite of components as well as exposed APIs for a plethora of our security partners to instantly create custom-purpose 'Frankenstein' security apps by configuring selections in just a handful of dropdown menus. Fusion is among the most heavily used products in Crowdstrike's Falcon product suite.

Presently, we're integrating Fusion with agentic workflow development to push our Next gen SIEM functionality into the agentic AI-integrated future. This role is for an experienced backend microservices developer adept with cloud engineering principles, user-facing feature design and development ('or' Fine Grained Auth Expertise), and experience with plenty of custom API development as well as high-scale events processing on a msg queue like Kafka.

Your passion and meticulous attention to performance, reliability and scalability will be key ingredients to your success here at Crowd Strike.
* Be advised, this role is a hybrid work setup involving 2-3 days in-office at our Sunnyvale, CA location. What You'll Do:

Build highly fault tolerant Golang microservices to add features and functionality to our Fusion product and its supporting ecosystem

Support ultra-high volume Kafka event pipelines managing our customer workflows

Work with industry-leading technologies like Apache Kafka, Cassandra, Elasticsearch, Redis and more

Work on cross-team platform-level initiatives and projects

Troubleshoot critical production issues and implement solutions

What You'll Need:

Experienced building streaming platforms at scale (

Note:

We process over a trillion events per day)
At least 7 years (avg. YoE is 10-16 Yrs) of overall applicable experience in a technical role5+ years of recent experience building an event-driven, microservices-oriented…