# Member of Technical Staff, Applied Research at Sieve

- Company: Sieve
- What the company does: High-quality video, audio, image, and interaction data for frontier AI. Backed by Y Combinator and AI Grant.
- Company website: https://sievedata.com/
- Type: Startups (AI role)
- Level: Senior
- Location: San Francisco
- Work setup: On-site
- Pay: $150K to $350K base salary per year (USD)
- Posted: 2026-09-14
- Apply by: 2026-10-29
- Apply: https://jobs.ashbyhq.com/sieve/8aa0e260-e95d-4534-8932-d75c8d49f5fa
- Page: https://www.1752.vc/careers/jobs/sieve-member-of-technical-staff-applied-research/

## About the role

As a Member of Technical Staff, Applied Research at Sieve , you’ll train and evaluate multimodal models to understand how data shapes their capabilities. Your work will span video generation and audiovisual understanding, connecting advances in data curation with measurable improvements in model performance.

## What they're looking for

- 2+ years of experience in machine learning research or engineering, with hands-on experience training or fine-tuning deep learning models
- Strong Python and PyTorch skills, including the ability to implement, debug, and modify model training code
- Experience designing experiments, establishing baselines, and evaluating results critically
- Familiarity with modern generative or multimodal architectures, such as diffusion models or transformers
- Comfortable working with large datasets and diagnosing training bottlenecks, instability, and data quality issues
- Able to turn ambiguous research questions into concrete experiments and maintainable systems

Tags: Engineering