Lumia Security- Senior Software Engineer

Description Join Lumia, backed by Team8 and NewEra, and help us solve the next generation of AI security challenges at scale. Our product combines AI, security and high-performance distributed systems, and you'll design and build core services across our platform. Life at Lumia We're a small, early-stage team that takes the work seriously but not ourselves. We move fast, argue about architecture over lunch, celebrate wins together and help each other when things break. Everyone here has a real say, good ideas win no matter who they come from, and you'll see your work in production quickly. If you love hard technical problems and want to have fun solving them with people you like, you'll fit right in. What you'll do Design, build and own backend services and microservices across the Lumia platform Build features that secure how organizations use AI, including LLMs and AI agents Help shape our architecture, infrastructure and cloud deployment Debug and optimize complex, high-scale systems Work closely with product and research to turn AI security ideas into production features Requirements 5+ years of hands-on software development, preferably in Go Strong experience with microservices and cloud-native applications on AWS, GCP or Azure Background in high-scale, low-latency distributed systems with a focus on performance Experience with event-driven architecture (Kafka, RabbitMQ, NATS) Experience with Docker and Kubernetes Quick learner who does well in a fast-paced, changing environment Self-motivated and detail-oriented, with a strong sense of ownership A positive team player Advantages Hands-on experience building with LLMs, AI agents, RAG or MCP (Model Context Protocol) Experience with gRPC, REST APIs or WebSockets Infrastructure as code (Terraform, Pulumi) and CI/CD pipelines Observability experience (OpenTelemetry, Prometheus, Grafana) Understanding of security best practices and compliance for cloud systems Background in cybersecurity products