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Principal Data Engineer

Optiver
CompanyOptiver
CategoryEngineering
LocationSydney
RemoteOn-site (inferred)
EmploymentNot stated
LevelLead
SalaryNot stated by the employer
Posted3 Jul 2026
Last verified30 Jul 2026
SourceEmployer career page (greenhouse)
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Description
Every major business function, including Finance, People, Procurement, Tax, and Compliance, operates on its own version of the truth: fragmented, siloed, and manually managed. You'll build the governed data foundation that replaces this, greenfield, on a modern stack, with real architectural ownership and production delivery in your hands. The Problem You're Solving One truth across multiple domains. Multiple business functions. Multiple definitions of the same metrics. Your role is designing and building the unified semantic layer that brings this together. This is a real modelling challenge where getting the business logic right matters as much as getting the code right. Governance that's engineered, not bolted on. Lineage, access control, column masking, PII classification, and data stewardship are designed into every domain from day one using Unity Catalog and DataHub. The goal is a governance model rigorous enough to hold up to regulatory scrutiny and trusted enough that business teams stop building their own extracts. The data layer that AI depends on. Optiver is building conversational analytics and AI agents that query business data through a semantic layer. What Databricks Genie surfaces to the business depends entirely on what you build underneath it. What you'll do Architect and own delivery of shared data products across Finance, People, Procurement, and Compliance, from design decisions through to production Build and evolve the semantic layer that powers reporting, self-service analytics, conversational analytics, and Databricks Genie, writing the models, tests, and documentation that make it trustworthy Design and build scalable data pipelines, data models, and governed data products using Databricks, dbt, SQL, and PySpark Implement governance capabilities end-to-end, including Unity Catalog access controls, column-level security, data classification, lineage, and data quality standards Drive DataHub adoption by defining metadata standards, lineage definitions, and data ownership models that make discoverability a first-class engineering concern Translate complex and ambiguous requirements from senior stakeholders into production-grade data solutions, owning the problem from conversation to deployed model Set the engineering standard for the team through the quality of your code, architecture decisions, and pull request reviews Partner with the broader data team to continuously improve CI/CD, testing frameworks, observability, and data quality practices Who you are 12+ years of experience designing and building production data solutions, with a track record of leading complex technical initiatives end-to-end. Track record of architectural ownership and designing end-to-end data solutions Expert-level SQL and data transformation skills, with strong hands-on experience in dbt, PySpark, or both. You design data products for scale, write tests without friction, and have clear opinions on where each tool's limits are Deep experience with Databricks, Lakehouse architectures, or comparable modern data technologies, including Delta table design, Unity Catalog governance, compute trade-offs, and downstream BI or AI workloads Experience implementing governance at scale, including access control, PII handling, column-level security, data lineage, and data quality management in production environments Experience building trusted business-facing data products within Finance, People/HR, Procurement, Operations, or similar domains. You understand business logic well enough to challenge unclear or incorrect requirements   Why This Is Challenging You'll join a team building the foundations of how Optiver understands and operates its business. The data products you build will be used by business teams, leadership, and increasingly by AI-powered tools and conversational analytics experiences. You'll work
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Principal Data Engineer — Optiver · Job Opportunities API