HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
AI Engineer/ML Engineer - Senior Developers - AI Training - Fresno, US
Fresno or United States
$80/hrRemoteContract
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS/AI/Robotics or related field, professional experience building/deploying/fine-tuning ML models, deep learning/LLM expertise (Transformers, Prompt Engineering, RLHF, RAG), ability to audit model logic and spot hallucinations.
Protection Scientist Engineer, Intelligence and Investigations
San Francisco or New York City or Washington or Remote - US
$198k-$425k/yrHybridFull Time
OpenAI: Develops artificial intelligence models and generative AI software services.
4+ YOE4+ years in technical analysis/detection using SQL and Python; experience in trust/safety; data engineering and ML knowledge; productionised code experience.
SQL, Python, Data pipelines, Machine Learning, Production software development
Fresno or Washington or Jacksonville or Chamblee or Chamblee or Fairview Heights or Covington or Lanham or Detroit or Kansas City or Saint Louis or Charlotte or Holtsville or Philadelphia or Guaynabo or San Juan or Memphis or Austin or Austin or Farmers Branch or Ogden or Kearneysville
$106k-$173k/yrOnsiteFull Time
IRS Office of Chief Counsel: Represents the IRS in tax litigation and legal matters.
1+ YOEBachelor's in mathematics/statistics/computer science/data science or equivalent; 1 year specialized experience applying statistical methods, ML model development/deployment, working with large datasets and Spark/Databricks, data governance, and dashboarding.