Principal Data Platform Architect — Semantic Layer

Openkrill; United States; Hybrid; USD 19,000 - 33,000; Full time

Job summary

Openkrill is seeking a hands-on Principal Data Platform Engineer to own the semantic layer and data foundations that power Lyric's AI-driven supply chain solutions.

You will shape entity models, ontology, and knowledge graphs, while guiding engineering standards and reliability across multi-tenant deployments. Collaboration with leadership and product teams is essential for scalable, robust systems.

Qualifications

• Data platforms or semantic layers you personally built and owned in production: knowledge graphs, metadata or metrics layers, entity models.

Responsibilities

• Own the semantic layer and APIs that underpin Lyric's products and agents.
• Lead data foundations: ingestion, contracts, schema evolution, orchestration, storage and queries.
• Ensure correctness and reliability in a multi-tenant product, with recovery from incidents.
• Provide technical direction via RFCs, design reviews and code; mentor senior engineers.

Skills

Data platforms

Semantic layers

Knowledge graphs

Production code

AI coding tools

Tools

Spark

Kafka

Flink

Iceberg

Job description

Openkrill is seeking a hands-on Principal Data Platform Engineer to own the semantic layer and data foundations that power Lyric's AI-driven supply chain solutions.

You will shape entity models, ontology, and knowledge graphs, while guiding engineering standards and reliability across multi-tenant deployments. Collaboration with leadership and product teams is essential for scalable, robust systems.