Senior Data Platform Engineer

Harnham is a high-growth, venture-backed AI company seeking a Senior Data Platform Engineer to lead the development of a modern cloud data ecosystem. The role involves architecting and scaling the platform for machine learning, analytics, and operational decision-making, while collaborating with senior technical leadership.

Responsibilities:

• Core data platform architecture
• Streaming ingestion systems (Kafka / Kinesis / equivalent)
• Lakehouse / warehouse design and evolution
• Performance, scalability, observability, reliability
• Security, RBAC, governance, lineage
• Internal tooling for engineers, analysts, and ML teams
• Cost optimization at scale

Requirements:

• Core data platform architecture
• Streaming ingestion systems (Kafka / Kinesis / equivalent)
• Lakehouse / warehouse design and evolution
• Performance, scalability, observability, reliability
• Security, RBAC, governance, lineage
• Internal tooling for engineers, analysts, and ML teams
• Cost optimization at scale
• Deep Databricks expertise
• Strong AWS engineering fundamentals
• Built high-scale pipelines and data systems
• Strong Python / SQL
• Experience in fast-moving startup or elite product environments
• Uses AI coding tools to materially increase output and leverage
• Builder mentality with strong product instincts