Linguist III

sgs-job-5843

Engineering
Remote
LLM
Datasets
Linguistics
SQL
Python
Annotation
Computational Linguistics.

Contract - 12 Months

We are looking for a skilled Linguistic Engineer to join our team to build, maintain, and analyze datasets powering LLM powered features. In this role, you will be instrumental in building and assessing the quality of data processed by our LLM production systems. Using new and existing data quality workflows and pipelines, you will collaborate closely with a cross functional team of engineers, research scientists, project managers, and data scientists to build datasets for, report on, and generally guide improvements on our LLM powered features, ensuring their accuracy and reliability in smart glasses applications.

Job Responsibilities:

  • Aggregate cross-functional requests and translate requests into actionable, high quality, datasets via synthetic data collections and on live user traffic.
  • Deliver analytics, statistics, and model performance results on datasets
  • Design and conduct experiments for evaluating rater quality, inter-rater reliability; write summary reports based on findings and speak on those findings in meetings.
  • Develop manual and automated processes for multiple concurrent projects ensuring high-quality labeled data.
  • Create and perfect LLM Quality grading queues and LLM related component quality error attribution grading queues.
  • Build datasets and write guidelines in rapid fashion for new and emergent LLM data rating, creation, and annotation needs.
  • Analyze system metrics such as factuality, brevity, coherence, as well as subcomponent performance, summarize findings, and communicate results.
  • Dataset Building & Curation: Receive requests from engineers and research scientists, then design and execute synthetic data collections or sample from
  • existing data to produce clean, labeled datasets for LLM training and evaluation.
  • Annotation Queue Management: Stand up and maintain grading queues — define rubrics, write annotation guidelines, onboard raters, and iterate on queue design
  • to keep pace with rapidly evolving LLM features.
  • Quality Auditing & Error Attribution: Review annotated data daily, flag inconsistencies, run inter-rater reliability checks, and trace quality issues back to specific LLM subcomponents (e.g., factuality, coherence, brevity).
  • Data Analysis & Reporting: Use AI to write SQL queries and Python scripts to pull metrics, compute agreement scores, and generate dashboards; summarize findings in
  • weekly reports shared with cross-functional partners.
  • Experiment Design: Plan and run controlled experiments to test rater calibration, guideline clarity, or model performance changes — then present results
  • and recommendations in team meetings.
  • Guideline Authoring: Draft, test, and refine annotation guidelines for new LLM capabilities on tight timelines, ensuring raters can consistently apply them at scale.
  • Cross-Functional Collaboration: Attend syncs with engineering, research, and PM stakeholders to align on data priorities, surface quality insights, and inform roadmap decisions for smart glasses LLM features.

Skills:

  • Basic Python, basic SQL with strong desire to grow required for this position. Intermediate level preferred.
  • Basic knowledge of linguistics (some of Phonetics, Syntax, Semantics, Dialectology) required.
  • Ability to analyze numerical rating results and draw conclusions based on data.
  • Basic stats / math for data analysis.
  • Written and oral communication skills necessary for communicating on project milestones and for reporting findings .
  • Data Annotation
  • SQL Python
  • Linguistic Background
  • Computational Linguistics (master’s preferred)
  • Statistics & Data Science
  • 4-6 year of experience

Education/Experience:

  • Bachelor’s degree in Linguistics, Computational Linguistics, Speech Science, or related field OR graduate degree in linguistics OR industry similar experience required.
  • Master’s degree or beyond preferred OR equivalent industry experience.
  • Additional learning via Coursera, Udemy, or other online resources is great too.

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