[Remote] Staff Software Engineer - Backend - Message Security Detection (Detection Serving & Signals)

Note:The job is a remote job and is open to candidates in USA. Abnormal AI is seeking a Staff Backend Software Engineer to join their Detection Team, which is focused on developing advanced technology to combat sophisticated email and cloud-based attacks. The role involves scaling and optimizing a high-throughput, low-latency scoring infrastructure to enhance customer experience and ensure reliable service. Responsibilities• Lead the architecture, design, and implementation of highly scalable backend services and infrastructure supporting our world-class Detection Engine• Spearhead critical projects to meet ambitious goals, such as scaling components of Detection's Scoring Pipeline by 10x while maintaining or improving performance• Collaborate closely with ML Engineering teams to gather requirements, provide technical leadership, and drive execution of infrastructure improvements• Mentor and coach junior engineers through 1-on-1s, pair programming, and high-quality code and design reviews• Continuously optimize system performance, reliability, and efficiency to meet growing demand and evolving threat landscapeSkills• 8+ years of professional experience as a hands-on engineer building and scaling data-intensive products• Extensive experience with real-time, online, high-throughput & low-latency distributed systems• Proven ability to maintain 99.99% uptime for services handling 50k+ QPS• Strong track record of cross-functional collaboration and driving complex projects to completion• Demonstrated leadership in setting and maintaining high standards for project execution and code quality• Experience in fast-paced or start-up like environment• Experience with cloud-native architectures and microservices• Experience with event-driven architecture such as Kafka, Pub/Sub, etc.• Familiarity with ML systems/products and distributed system technologies (e.g., Python, Golang, Kafka, Redis, Docker, Kubernetes, feature serving platforms, ML training and serving infrastructures)• Hands-on experience optimizing high-throughput online systems• MS or PhD in Computer Science, Electrical Engineering, or a related field• Familiarity with the cybersecurity industry or fraud detection and its unique challengesBenefits• Bonus• Restricted stock units (RSUs)• BenefitsCompany Overview• Abnormal AI is the leading AI-native human behavior security platform.It was founded in 2018, and is headquartered in Las Vegas, Nevada, USA, with a workforce of 1001-5000 employees. Its website isCompany H1B Sponsorship• Abnormal AI has a track record of offering H1B sponsorships, with 3 in 2025. Please note that this does not guarantee sponsorship for this specific role. Apply tot his job