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Sieve

Member of Technical Staff, Machine Learning

Sieve
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about 3 hours ago
San Francisco, CA, USAMid Level / Senior
H1B Sponsor

Base Salary

$150k - $350k/yr

Responsibilities

  • Own model quality for customer-facing video understanding problems.
  • Fine-tune vision-language and multimodal foundation models for specialized tasks.
  • Build automated evaluation and QA pipelines using frontier models.
  • Design high-precision filtering, ranking, retrieval, and labeling systems over internet-scale video datasets.
  • Create datasets, benchmarks, and evaluation frameworks that continuously improve model quality.
  • Develop production ML pipelines spanning preprocessing, inference, post-processing, and quality validation.
  • Work directly with frontier AI labs to translate ambiguous requirements into scalable ML systems.
  • Ship improvements quickly, measure results, and iterate based on real-world performance.

Requirements

  • Strong Python engineer with experience building production ML systems.
  • Experience training, fine-tuning, or deploying modern deep learning models.
  • Comfortable working with PyTorch and modern foundation models.
  • Excellent intuition for evaluation, dataset quality, precision/recall tradeoffs, and edge cases.
  • Enjoys rapidly prototyping with new AI models and APIs.
  • Comfortable owning projects from customer problem to internal pipelines to deployed solution.
  • Strong communicator who enjoys working directly with customers and cross-functional teams.
  • Excited by video, multimodal AI, and frontier foundation models.
  • In-person at our SF HQ.

Tech Stack

Categories

AI & MLData Science