PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
2mo
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Reinforcement Learning Engineer ($400k - $800k salary)
New York or London
$400k-$800k/yr OnsiteFull Time
Experience deploying autonomous learning systems with real capital; design risk limits; build evaluation loops; lead ML system end-to-end.
Python, ML frameworks, Simulation tools
1w
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Research Engineer, Chip Design RL (Reinforcement Learning)
San Francisco or New York City
$500k-$850k/yr HybridFull Time
Bachelor's or equivalent, expertise in ASIC/FPGA design and EDA tools, experience with RTL, verification (UVM, formal methods), physical design and tapeout experience; RL experience and tooling experience preferred.
EDA tools, UVM, formal methods, place-and-route
1mo
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Research Engineer, Code RL (Reinforcement Learning)
San Francisco or New York City
$500k-$850k/yr HybridFull Time
Bachelor's degree or equivalent; strong software-engineering skills with deep Python expertise (async/concurrent); experience designing RL environments, building verifiers/eval harnesses, PyTorch and distributed training, CUDA/TPU/GPU performance optimization preferred.
Python, PyTorch, CUDA, TPU, GPU
3mo
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Full-Stack Software Engineer, Reinforcement Learning
San Francisco or New York City
$300k-$405k/yr OnsiteFull Time
Strong full-stack software engineering, proficient in Python and a modern web stack, track record shipping systems that solve hard problems, ability to work with researchers and vendors.
Python, JavaScript, React, TypeScript, Docker, CI/CD, GCP, AWS
3w
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Senior Machine Learning Engineer
Wellesley or New York City
$111k-$222k/yr HybridFull Time
5+ YOE5+ years building ML systems in production, 5+ years Python, familiarity with PyTorch/TensorFlow, MLOps (Kubeflow, Vertex), 2+ years SQL with Snowflake/BigQuery, 2+ years system design leadership, experience in reinforcement learning/causal inference/LLMs, mentoring experience, strong communication.
Python, PyTorch, TensorFlow, Kubeflow, Vertex, SQL, Snowflake, BigQuery, Node.js, React, Spark, Kafka, Airflow
2mo
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Lead Machine Learning Engineer, Entry and Re-engagement (New York, NY, US, 10036)
New York, New York, United States
$157k-$235k/yr OnsiteFull Time
6+ YOE2+ Mgmt6-8+ years of ML engineering experience in ranking, retrieval, or reinforcement learning; strong Python and ML tooling; experience building scalable retrieval and ranking systems; proficiency with Spark/BigQuery; demonstrated mentorship and cross-functional collaboration.
Python, PyTorch, TensorFlow, JAX, Ray, Spark, Beam, BigQuery, Airflow, Argo, MLFlow, Weights and Biases, Docker, Kubernetes, Nvidia Triton, Java
1w
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Applied Researcher I (AI Foundations, Recommendation Systems, Personalization, Reinforcement Learning)
Cambridge or McLean or San Jose or New York
$219k-$272k/yr OnsiteFull Time
2+ YOEPhD or MS+2 years in CS/EE/AI/math; experience building large deep learning models and LLMs, publications, training/deploying models, strong ML foundation and software engineering skills.
PyTorch, AWS Ultraclusters, Huggingface, Lightning, VectorDBs
3mo
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Applied Researcher I (AI Foundations, LLM Customization, Finetuning, Reinforcement Learning)
Cambridge or McLean or New York or San Jose
$219k-$272k/yr OnsiteFull Time
PhD in Electrical/Computer Engineering, Computer Science, AI, Mathematics, or related field with start-date eligibility; or MS plus 2 years applied research experience; strong ML/NLP/AI foundation model expertise.
PyTorch, AWS, Hugging Face, Lightning, VectorDBs
3mo
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Applied Researcher I (AI Foundations, LLM Customization, Finetuning, Reinforcement Learning)
McLean or Cambridge or New York or San Jose
OnsiteFull Time
PhD in Electrical/Computer Engineering, Computer Science, AI, Mathematics, or related fields; or MS with 2+ years applied research experience; expertise in AI foundations, LLMs, finetuning, RL; strong publications and open-source contributions.
Python, PyTorch, AWS, Hugging Face, Lightning, VectorDBs
4w
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Staff AI Research Engineer
New York City or Pittsburgh
$221k-$331k/yr OnsiteFull Time
Proven AI/ML research engineering experience with LLMs and bandit models; experience across ML stack including feature engineering, training/fine-tuning, reinforcement learning, deployment, monitoring; leadership and mentoring experience; advanced degree or equivalent.
1mo
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Research Engineer, Domain Scaling
San Francisco or New York City
$1-$2/yr HybridFull Time
Experience fine-tuning LLMs, reinforcement learning/reward design, training data curation, vendor management, and collaboration with domain experts; Bachelor's degree or equivalent required.
1mo
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Research Associate
Brooklyn, New York, United States
$48k/yr OnsiteFull Time, Temporary
1+ YOEBS in Computer Science, Applied Mathematics, or related; 1+ year experience; background in software engineering, reinforcement learning or machine learning; strong publication record; eligibility to work in the U.S.
Interfolio
1mo
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Open Rank: Lecturer in Discipline or Senior Lecturer in Discipline in the Department of Industrial Engineering and Operations Research
New York City, New York, United States
$106k-$162k/yr OnsiteFull Time
Doctorate required in a related field; strong teaching record and communication skills; expertise in AI/LLMs/GenAI/Reinforcement Learning; experience with blended/online teaching and industry engagement is a plus; teaching demonstration required.