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8 jobs
Reflection
yesterday

Member of Technical Staff - Pre-Training Data

NewBe an early applicant On-siteNorth America
United States

You will design and implement techniques to source, curate, and filter large-scale web, text, and code data. You will develop data-quality analyses, run data experiments, evaluate dataset changes, address privacy,…

Data Quality Deep Learning JAX Python PyTorch
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Reflection
2 weeks ago

Senior Talent Operations Specialist

On-siteNorth AmericaSenior
United States

You will own the applicant tracking system and its integrations, configuration, standards, and reporting. You will maintain reliable recruiting data, build training and documentation programs, support tool enablement,…

API Automation Candidate Experience Data Quality Webhooks +1 skills
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Reflection
last month

Member of Technical Staff - Data Quality Engineer Post-training

On-siteNorth America, UK

You will define and operationalize measurable data-quality standards for LLM post-training and evaluation. You will analyze datasets, build and validate automated QA methods, create reusable quality pipelines, provide…

Acceptance Criteria Agentic AI Data Pipelines Data Quality LLM +2 skills
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Reflection
last month

Member of Technical Staff - Engineering Lead Data Ingestion

On-siteNorth America, UKLead

You will lead, mentor, and grow data ingestion engineers while remaining hands-on with the technical stack. You will prioritize work, run acquisition campaigns, guide architecture across crawling, pipelines, and data…

Airflow Data Ingestion Data Lake Data Quality LLM +3 skills
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Reflection
last month

Member of Technical Staff - Data Ingestion Engineer

On-siteNorth America, UK

You will build and operate systems that acquire, extract, normalize, version, and deliver large-scale data for pre-training. You will run experiments on crawling and extraction strategies, analyze data quality and…

Data Ingestion Data Quality LLM Spark
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Reflection
last month

Member of Technical Staff - Data Quality Engineer Pre-training

On-siteNorth America, UK

You will define and operationalize measurable data-quality standards for LLM pre-training. You will analyze data, build and validate automated QA methods alongside human-in-the-loop processes, create reusable quality…

Acceptance Criteria Data Pipelines Data Quality LLM Machine Learning +1 skills
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Reflection
last month

Member of Technical Staff Engineering Lead Data Platform

On-siteNorth America, UKLead

You will lead and grow a data platform engineering team while guiding the technical direction of data ingestion, orchestration, processing, storage, quality, and governance. You will work hands-on on designs,…

Data Engineering Data Ingestion Data Quality
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Reflection
last month

Member of Technical Staff Data Platform

On-siteNorth America, UK

You will design and implement ingestion and orchestration for batch and streaming workloads. You will build scalable storage and compute foundations, maintain reproducible pipelines, establish data quality and…

Data Engineering Data Quality
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