Research Engineer/Senior Research Engineer, 3D Auto-Labeling and Data Flywheel

Job overview

The Research Engineer/Senior Research Engineer, 3D Auto-Labeling and Data Flywheel is an onsite, full-time role in Santa Clara, CA, paying $130,000–$220,000 per year. PlusAI develops AI-based virtual driver software for factory-built autonomous trucks and works with automotive and logistics partners to advance autonomous trucking. The role develops offline methods and scalable pipelines that turn curated multi-sensor recordings into accurate 3D object labels. By improving label quality and reducing human review, it helps the data flywheel deliver training-ready labels and supports the teams that train and evaluate onboard models.

What you'll do

• Develop and evaluate offline methods for accurate 3D object labels from multi-sensor recordings
• improve label quality and reduce human review
• build and operate fleet-scale labeling pipelines
• integrate annotation tools, monitor throughput and cost, and create regression tests
• deliver training-ready labels and feed model failures and long-tail scenarios back into curation
• at the senior level, lead designs and mentor
• follow QMS requirements and contribute to continuous improvement.

What we're looking for

Skills & competencies

research engineer

senior research engineer

santa clara ca

full-time

$130k–$220k

3d auto-labeling

data flywheel

3d perception

sensor fusion

python

c++

autonomous trucks

Work arrangement

• Weekend coverage required

Benefits & perks

• Catered free lunch, unlimited snacks and beverages, professional and personal development opportunities, and 401(k) plan.

Why this role

Hiring at Research Engineer or Senior Research Engineer level; level depends on experience, technical depth, responsibility, and impact. Benefits include catered free lunch, unlimited snacks and beverages, professional development opportunities, and a 401(k) plan.

About the employer

PlusAI is hiring for this role. Industry: Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). Sector: 54.