Software Engineer – Platform Security

About the job FriendliAI is looking for an engineer to architect and build the security foundations of a multi-tenant serverless compute platform running on Kubernetes with hardened container isolation. As a Software Engineer, Platform Security, you will own the security design for both control plane and data plane, implement guardrails as code, and partner closely with Platform/SRE/Infra teams to ship a secure-by-default developer experience. This is a hands-on builder and architect role. Key Responsibilities - Design and implement the security architecture for a Kubernetes-based, multi-tenant serverless platform. - Build guardrails as code using Terraform and Helm. - Establish network segmentation and service-mesh policy. - Develop secrets and key management patterns. - Implement runtime detections for containerized workloads. - Design and roll out IAM & workload identity management. - Threat model new features and changes to the overall platform. - Collaborate with engineering to debug production issues, lead post-incident hardening, and automate evidence for compliance controls. Qualifications - 5+ years securing cloud-native platforms with a focus on distributed systems and multi-tenancy. - Bachelor’s or Master's degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent. - Strong hands-on experience with AWS (IAM, VPC/networking, logging/monitoring, …) and Kubernetes/container security. - Proficiency with Terraform and Helm. - Experience building or operating runtime detections for containers/functions. - Strong technical background in backend systems, cloud infrastructure, or AI tooling - Clear written and verbal communication; ability to translate pricing/business rules into robust systems. Preferred Experience - Knative or similar serverless-on-K8s frameworks. - Container hardening and sandboxing. - Policy-as-code and admission policy design at scale. - eBPF-based observability, detections, and signal tuning. - Multi-cloud exposure and cross-cloud identity approaches. - Hands-on contributions to SOC 2 / HIPAA control automation and audit evidence pipelines. BENEFITS - Flexible working hours - Daily lunch and dinner provided; unlimited snacks and beverages - Supportive and highly collaborative work environment - Health check-up support and top-tier equipment/hardware support - A front-row seat to the generative AI infrastructure revolution - Competitive compensation, startup equity, health insurance, and other benefits. ABOUT FRIENDLIAI FriendliAI is building the world’s best AI inference platform that makes large language and multi-modal models fast, efficient, and deployable at scale. We power high-throughput, low-latency AI workloads for organizations worldwide and integrate directly with Hugging Face, giving developers instant access to over 600,000 open-source models. We are a small, fast-moving team doing work that matters at one of the most exciting moments in the history of technology. With our world-class inference engine, we are building a platform that the AI industry can actually rely on.