Startups · AI

Senior Software Engineer — Lakehouse Systems

Granica · Bay Area Office · On-site

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About Granica

Granica reduces the cost of enterprise AI across data storage, data processing, and agent compute. Everything runs inside your perimeter, and you keep the intelligence your data builds. Backed by NEA.

About the role

Granica is hiring a Senior Software Engineer to build foundational lakehouse systems for AI. You will work on the core infrastructure behind Crunch , Granica’s continuous optimization product for enterprise lakehouse data. This includes systems for metadata management, transaction semantics, table maintenance, object-store-backed storage layouts, file-level optimization, and lakehouse cost/performance across petabyte- and exabyte-scale environments.

What they're looking for

  • Strong engineering depth in distributed systems, storage systems, databases, or data infrastructure
  • Production experience with modern data lake or lakehouse technologies such as Iceberg, Delta Lake, Hudi, Spark, Trino, Presto, Flink, Hive Metastore, Unity Catalog, or similar systems
  • Hands-on experience with columnar formats such as Parquet or ORC
  • Understanding of metadata-driven architectures, table formats, transaction semantics, query planning, and physical data layout
  • Experience with table maintenance, compaction, clustering, file sizing, metadata pruning, snapshot expiration, or garbage collection
  • Familiarity with cloud object storage systems such as S3, GCS, or ADLS and the performance tradeoffs of building lakehouse systems on top of them
More about this role

Granica builds AI infrastructure for enterprises operating massive data environments.

Our platform helps data and engineering teams reduce storage and compute costs, improve performance and reliability, and prepare large datasets for analytics and AI.

Crunch — continuous optimization for enterprise lakehouse data

Myelin — stateful infrastructure for long-running AI agents

Large Tabular Models — foundation models designed for enterprise tables

Together, we are building the infrastructure that enables enterprises to own their data, own the intelligence built on it, and scale both efficiently.

Granica has demonstrated approximately $200K in annualized value per petabyte and verified customer value within weeks.

Granica is hiring a Senior Software Engineer to build foundational lakehouse systems for AI.

You will work on the core infrastructure behind Crunch , Granica’s continuous optimization product for enterprise lakehouse data. This includes systems for metadata management, transaction semantics, table maintenance, object-store-backed storage layouts, file-level optimization, and lakehouse cost/performance across petabyte- and exabyte-scale environments.

You will own core systems...

Read the full posting on Granica's site ↗

Engineering

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