Sr. Security Engineer

*Our Mission*

*ButterflyMX is on a mission to empower people to automate property access, operations, and security from a single platform. Our products are installed in more than 20,000+ multifamily, commercial, gated communities, and student-housing properties worldwide, including properties developed, owned, and managed by the most trusted names in real estate. Our features are designed for developers, owners, property managers, and tenants, and our products lower operating costs and improve tenant satisfaction.*

*Our Solution*

*Developers and owners no longer need to run building wiring or install in-unit hardware. Property managers can grant building access, revoke permissions, and review entry logs from an online dashboard. Residents can open doors from their smartphones, issue visitor access, and see who is trying to enter the building.*

*Our Culture & Values*

*Fantastic people are the key to our success. As a distributed, primarily remote workforce, we’re looking for more intelligent, passionate, collaborative, ai-forward, and down-to-earth individuals to join our growing team. We’re driven by a shared commitment to excellence and innovation, grounded in our core values: We delight our customers, We take ownership, We are a community of collaborators, We speak up, We think big and do small, and We are tenacious.*

Role Overview

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ButterflyMX is looking for a Senior Security Engineer to join our growing security team. In this role you will drive application security across the full software development lifecycle — from threat modeling and secure code review to penetration testing and vulnerability management. You will build the internal tooling that powers the “defender’s loop” and scales security. You will partner with product teams to embed security into the development lifecycle and ensure reusable secure patterns. You will partner closely with engineering to build security in from the start, while also ow...