Senior Fullstack Engineer

As a Senior Software Engineer in Insider, you will build, scale, and maintain backend and frontend services that power Insider’s core analytics systems, which process hundreds of thousands of events per second, manage terabytes of data, and serve real-time insights across 9+ global products. You'll also maintain and evolve large-scale data stores, ensuring fast, reliable access to analytics data at massive scale and work on high-throughput, low-latency systems used by both internal teams and customer-facing dashboards. The role also involves contributing to event ingestion pipelines, API development, data enrichment, and metric generation flows. You will collaborate with backend and data engineers to continuously improve performance, reliability, and observability. You will write clean, modular, and testable code using Go and Node.js, focusing on building systems that scale.