Senior Data Engineer

• Design, build, and maintain data ingestion pipelines for financial and billing data on GCP
• Design and evolve BigQuery data models, including nested ARRAY/STRUCT tables, partitioning, and clustering strategies
• Implement reconciliation checks across source, staging, and output layers
• Build file validation and quarantine processes for invalid or incomplete source data
• Design idempotent pipelines that can be safely rerun without duplication or corruption
• Implement append-only table patterns and use views as data checks to support auditability
• Handle monetary values accurately using BigQuery NUMERIC types and appropriate rounding rules
• Manage effective-dated reference data such as rates, mappings, and customer attributes
• Establish and maintain data lineage from outputs back to sources
• Write clean, typed, and well-tested Python code using pydantic and pytest
• Write and optimize advanced SQL for transformation, reconciliation, and reporting
• Collaborate with engineers, analysts, and finance stakeholders to translate business rules into reliable data logic
• Mentor team members and contribute to data engineering standards and best practices

• 6+ years of data engineering experience
• Proven experience building financial or billing pipelines where every amount must reconcile
• Strong Python skills, including pydantic, typed code, and pytest
• Advanced SQL skills, including complex joins, window functions, and performance tuning
• In-depth Google BigQuery experience, including nested ARRAY/STRUCT tables, partitioning, and clustering
• Experience handling money accurately using NUMERIC data types
• Experience designing append-only tables and using views as data checks
• Strong understanding of data quality practices, including reconciliation checks, file validation, and quarantine
• Experience building idempotent, rerunnable pipelines
• Experience implementing data lineage and managing effective-dated reference data
• Invoicing domain experience, including credit notes, rebills, FX conversion, and month-end close
• Experience working with finance or billing teams in a regulated or audited environment
• Experience with other GCP services such as Cloud Storage, Cloud Run, or Firestore

• Competitive compensation package commensurate with experience
• Government-mandated benefits
• Supplemental HMO coverage
• Collaborative and professional work environment
• Career growth opportunities within a growing organization
• Hybrid/Remote work arrangement (where applicable)
• Training to support employee growth and career advancement