User Study Researcher — UX Data, Labeling & Insights

OSI Engineering; Sunnyvale (CA); On-site; USD 55,000 - 96,000; Part time

Job summary

OSI Engineering seeks a User Study Researcher contractor to support data collection, labeling, and validation for sensor-based interactions. The role emphasizes high-quality participant recruitment, in-person studies, and tool-assisted labeling to improve user experiences.

The ideal candidate has strong qualitative research skills, meticulous data handling, and proficiency with Mac Terminal. Experience with ML labeling workflows and LLMS is a plus.

Qualifications

• Qualitative user research skills including interviews and usability testing.

Responsibilities

• Manage recruitment and scheduling of qualified candidates based on study requirements.
• Facilitate, conduct, and lead in-person user studies
• Prepare, troubleshoot, and maintain study specific equipment for data collection efforts
• Assist with development of instructional materials as needed
• Develop and distribute surveys, review and collate survey responses and other feedback
• Set up and break down study session areas
• Engage and communicate with participants
• Ensure appropriate participant compliance with protocol
• Manage participant data including transferring data from test devices or session notes to secure storage
• Validate auto-labeled data and machine-generated transcripts against source recordings, correcting errors and flagging recurring or systematic issues for the team
• Perform manual annotation of data (audio, video, sensor, and/or text) according to established labeling guidelines when auto-labeling is not available or requires human review
• Use LLM-based tools, where appropriate, to accelerate labeling, transcript review, and preliminary analysis, applying human judgment to verify and QA model-generated output
• Track labeling/annotation quality and consistency, and contribute feedback to refine labeling guidelines and workflows

Skills

Qualitative user research

Attention to detail

Data labeling validation

Manual data annotation

Ergonomics/usability knowledge

Mac Terminal proficiency

Motion capture hardware

Python

R

MatLab

LLM tools for labeling

Data annotation tools

Education

Bachelor’s degree or Master’s degree

UX research certificate / training

Tools

Mac Terminal

Job description

OSI Engineering seeks a User Study Researcher contractor to support data collection, labeling, and validation for sensor-based interactions. The role emphasizes high-quality participant recruitment, in-person studies, and tool-assisted labeling to improve user experiences.

The ideal candidate has strong qualitative research skills, meticulous data handling, and proficiency with Mac Terminal. Experience with ML labeling workflows and LLMS is a plus.