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Security Engineer

EngineeringFull-timeSF (relocation included)On-site

Role

We're looking for a security engineer to architect and own our entire security posture as we handle the most sensitive enterprise data environments on the planet. You'll build the security infrastructure that protects terabytes of workflow data per customer in real-time. This means securing data pipelines processing billions of events per day, implementing controls across our full stack, and ensuring we meet Fortune 500 compliance requirements without slowing down our engineering velocity. You'll own security end-to-end—from infrastructure hardening and application security to SOC 2 compliance and customer security reviews. You'll design access controls, build audit systems, conduct security reviews of code and architecture, and directly enable million-dollar deals by earning CISO trust. You'll work directly with founders and our engineering team. The technical challenges are real: securing real-time data pipelines at massive scale, building compliance programs that Fortune 500s actually trust, and creating security architecture that enables speed rather than blocking it.

Sample projects include...

  • Architecting security infrastructure across our full stack—from data pipelines and APIs to frontend applications and cloud infrastructure
  • Securing real-time data pipelines that process terabytes of workflow events—ensuring no data breaches or leakages while maintaining sub-second performance
  • Conducting security reviews of code, architecture, and third-party integrations before they ship
  • Working directly with customer IT and security teams on security reviews and compliance validation

About

Fluency is building the world's first Adaptive Workplace Intelligence Platform. Six weeks ago, we launched Fluency Vision. Since then, we've built pipeline with Fortune 100 companies across financial services, healthcare, and insurance. Soon, we will process the largest per-user enterprise datasets on the planet. Our culture is simple: we only hire the most talented, intensely competitive operators and engineers. We move fast, give full autonomy to our team for outcomes. If you want to help lift others up to be best engineering unit in the world, this is your team. We're carving a new category of enterprise technology.

Applying

Our interview process is fast and technical. We'll start with a conversation about what you've built and why. Then you'll talk with engineers and founders about hard problems we're solving. We'll dive deep into your thinking, your code, and how you approach building products. We typically move from first conversation to offer in under 2 weeks for candidates we're excited about. If you're world-class but don't match every detail here, apply anyway. We care about exceptional people, not checkbox qualifications.
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