• Build and maintain robust platform services and internal tooling primarily in Python. • Design clean, well-typed interfaces and services that scale. • Develop and own internal APIs that other teams depend on. • Create high-performance data processing paths inside services. • Deploy and operate Python services on GCP using serverless and managed platforms. • Improve CI/CD pipelines, testing practices, and developer experience. • Partner closely with product engineers, data engineers, and leadership to shape platform direction. • Write ADRs, architecture diagrams, and technical documentation. • Mentor other engineers through code reviews.