Strong proficiency in Next.js, Node.js, Typescript. Strong backend experience — building APIs, integrating third-party services, securing data flows. Comfortable with Postgres + SQL, and BigQuery. Experience with Dockerized services and cloud deployment (Cloud Run, ECS, Lambda). Familiarity with Terraform and IaC best practices. Strong ability to read and maintain complex codebases. Ability to work across the whole stack with minimal supervision. Experience with analytics platforms (Google Analytics, PostHog, Segment, etc). Experience with automation systems or backend task runners. Understanding of marketing automation systems (Mautic) is a plus. Experience with real-time dashboards or streaming (Pub/Sub, Kafka, Redis).