Expert-level skills in designing, building, and operating large-scale distributed systems. Professional experience developing in Go and/or Python. Hands-on experience with cloud and data technologies like Google Cloud (BigQuery, Pub/Sub) or AWS equivalents (Redshift, SQS, Kinesis), along with databases like Postgres and Redis. Specific expertise in workflow or task orchestration systems (like Airflow, Prefect, or custom platforms) and a history of creating frameworks or APIs. The ability to lead through influence, communicate complex ideas clearly, and mentor other senior engineers.