Senior Research Engineer

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Senior Research Engineer in USA

Clera
Full time
Email

USA
10/06/2026
Report

San Francisco, CA

Responsibilities

Build systems to detect and transform PII, quasi-identifiers, credentials, and other sensitive information.
Develop and benchmark rules-based, statistical, classifier-based, and LLM-based detection approaches.
Create production anonymization pipelines for processing, training, evaluation, and synthetic data workflows.
Develop privacy-risk and retained-utility evaluation frameworks, including leakage tests and adversarial re-identification attempts.
Design systems that handle new sources, schema drift, unusual formats, and sensitive information in unexpected fields.
Partner with engineering, research, operations, and customers to translate privacy requirements into practical safeguards.

Requirements

At least 2 years of experience building production data or ML systems in Python, with strong Python proficiency.
Hands-on experience with PII detection, removal, or anonymization and utility-preserving transformations.
Experience with information extraction, named-entity recognition, classification, or related methods for finding rare or sensitive content.
Ability to build end-to-end data pipelines and compare approaches using recall, precision, latency, cost, and downstream utility.
Understanding of redaction, masking, pseudonymization, anonymization, and synthetic data generation.
Experience handling schema drift and edge cases.
Experience with differential privacy, k-anonymity, secure aggregation, or format-preserving encryption is valuable.
Experience with low-latency or high-throughput ML inference and data processing is beneficial.

Benefits

Salary range of $130,000 to $225,000 annually.
Visa sponsorship is available.
On-site role in San Francisco, California, United States.

Salary: $130k - $225k/yr

Clera

Clera harnesses the power of artificial intelligence to match high-growth startups with exceptional talent, streamlining the entire headhunting process. This innovative approach simplifies the job search for candidates while providing startups with access to a curated pool of skilled professional...

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