Clera

Senior Data Infrastructure Engineer, Query Engine

Clera
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23 hours ago
San Mateo, CA, USASenior
H1B sponsor

Responsibilities

  • Design and extend compiler and executor components to support new query language features and functions.
  • Build and optimize graph-native query capabilities across multiple data sources.
  • Develop pass-through query logic for Snowflake, Databricks, and Oracle.
  • Collaborate with the platform team to improve performance, reliability, and scalability.
  • Debug and resolve complex query execution issues in production environments.

Requirements

  • At least 5 years of experience in data infrastructure, query engine development, distributed systems, or database query processing.
  • Experience building or maintaining query compilers, optimizers, or execution engines.
  • Background with graph databases or graph query languages.
  • Experience shipping distributed query processing across multiple data sources, including federated execution across heterogeneous systems.
  • Proficiency in C++, Rust, or Java, with knowledge of SQL, query optimization, or compiler design.
  • Experience optimizing query performance in high-volume or latency-sensitive environments.
  • Familiarity with Snowflake, Databricks, or Oracle.
  • Knowledge of semantic layers, knowledge graphs, or complex enterprise data environments is beneficial.

Benefits

  • Visa sponsorship is available.
  • On-site work in San Mateo, United States.

Tech Stack

C++DatabricksJavaRustSnowflakeSQL

Categories

BackendData Engineering
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