Senior Backend Engineer – Mobile Sensor

About the Role

CrowdStrike Falcon Host is a two-component security product. One component is a “sensor”: a driver installed on client machines that observes system activity and recognizes malicious behavior, then provides on-box prevention capability and remote telemetry to the Falcon Host cloud. The sensor processes thousands of events per second to provide deep visibility into operations on the endpoint, and performs rich correlation and computation to identify malicious events and blocks malicious activity.

Join CrowdStrike and become a key leader building the most innovative endpoint security solution in the world. Our sensor development team is responsible for building the endpoint mobile sensor, deployed on multiple platforms including Android, and iOS. As Senior Software Engineer, you will be expected to make significant contributions to the design and implementation of major development projects. You will be required to identify solutions and collaborate with others to implement our features. You will work on stimulating problems borne out of the scale of our deployment and the stringent performance and security requirements of our sensors.

This position is open to candidates in Bucharest (Office and Remote), Brasov, Cluj and Isai (Remote).

What You’ll Need 

  • Experience designing and producing high quality software
  • Able to lead, mentor, communicate, collaborate, and work effectively in a distributed team.
  • Low-level OS knowledge in either Linux or Android or iOS
  • Extensive experience with C++, Java and System Development

Bonus Points 

  • Strong background in scalable systems
  • Familiarity and experience with Agile process
  • OS system expertise for core concepts and subsystems
  • Familiarity with DevOps practices and technologies
  • Familiarity with Python and Bash


  • Provide key contribution on the sensor development team involved in architecture, in implementation, and improvements to next generation Anti-Virus and Enhanced Detection and Response Security Software.
  • Develop features from design to delivery including participation in product demo at the end of the sprint.
  • Collaborate with multi-functional teams in various locations.
  • Devise innovative solutions to hard performance or scale problems.
  • Maintain the sensor up-to-date with the latest OS developments and patches.

Benefits of Working at CrowdStrike:

  • Market leader in compensation
  • Comprehensive health benefits
  • Working with the latest technologies
  • Training budget (certifications, conferences)
  • Flexible work hours and remote friendly environment
  • Wellness programs
  • Stocked fridges, coffee, soda, and lots of treats
  • Peer recognition
  • Inclusive culture focused on people, customers and innovation
  • Regular team activities, including happy hours, community service events


Join the world’s most secure businesses on the first cloud-native endpoint protection platform built to stop breaches.

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