Senior Anti-Abuse Security Engineer
ActiveCampaignChicago, Illinois, United States
Posted February 6, 2026
126000 - 154000 USD
Full Time
About the Company
ActiveCampaign is the autonomous marketing platform for people at the heart of the action. It empowers teams to automate their campaigns with AI agents that imagine, activate, and validate–freeing them from step-by-step workflows and unlocking limitless ways to orchestrate their marketing.
Job Description
As our next Senior Anti-Abuse Security Engineer, you won’t just be monitoring logs—you will be the primary architect of the next generation of abuse detection capabilities for our platform. You’ll move beyond routine security tasks to design and build sophisticated, automated behavioral analysis pipelines that protect our ecosystem from trial abuse, account takeovers, and evolving sending anomalies.
Requirements
- 5+ years of hands-on experience building robust fraud detection, abuse prevention, or security monitoring systems
- Expert-level Python development skills
- Deep expertise in messaging abuse patterns
- A strong understanding of ML-based detection systems and behavioral analytics
- Technical proficiency with modern abuse tooling
- Prior experience in SaaS messaging, marketing automation, or Email Service Provider (ESP) platforms a bonus
Benefits
- Comprehensive Health & Wellness
- Growth & Development
- Generous Paid Time Off
- Total Rewards
- Collaborative Culture
