Clera
Direct Ashby career site

Senior Data Infrastructure Engineer, Query Engine

Location
San Mateo
Listed
Today

About the Role

Join an early-stage AI infrastructure team building a query engine that connects graph-native queries with enterprise data. You will develop the coordinator, compiler, and executor components that enable reliable reasoning and aggregation across multiple data sources.

What You'll Do

  • 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 platforms such as Snowflake, Databricks, and Oracle.
  • Work with the platform team to improve performance, reliability, and scalability.
  • Debug and resolve complex query execution issues in production environments.

What We're Looking for

  • 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, and familiarity with Snowflake, Databricks, or Oracle.
  • Knowledge of semantic layers, knowledge graphs, or complex enterprise data environments is beneficial.

Compensation & Benefits

Visa sponsorship is available.

Location

On-site in San Mateo, United States.

Read the original posting

From Clera's careers page, first listed on Rolev.ai on November 11, 2026. Rolev.ai is not the employer.

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Common questions

Where is the Senior Data Infrastructure Engineer, Query Engine job at Clera located?

This Senior Data Infrastructure Engineer, Query Engine position at Clera is located in San Mateo. Always check Clera's application page for specific state eligibility or relocation policies.

How do I apply for the Senior Data Infrastructure Engineer, Query Engine position at Clera?

This listing links directly to Clera's Ashby application page. You can apply directly on Clera's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.