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
3w
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ML Research Engineer / Scientist (Boston, hybrid)
Boston, Massachusetts, United States
HybridFull Time
Experience building and training deep learning models (PyTorch), designing and running experiments, distributed training, strong understanding of architectures and losses, rigor and reproducibility; authorized to work in the U.S.
PyTorch, DICOM, CheXpert, Kaggle
3mo
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AI/ML Research Engineer
Boston or San Francisco
OnsiteFull Time
2+ YOE2+ years with PyTorch/JAX; Python stack; distributed computing; protein/computational biology familiarity; Git; independent problem solving; strong communication.
Python, PyTorch, JAX, NumPy, Pandas, scikit-learn, Git
1mo
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Temporary Research Technician in ML in Healthcare
Worcester, Massachusetts, United States
$20/hr HybridFull Time, Temporary
Bachelor's degree in CS, Data Science, Engineering or related; proficiency with Python/JAX/PHP preferred; experience in university research lab preferred; ability to apply ML, develop web apps, and publish research.
Python, JAX, PHP
2mo
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Senior Research Engineer, Machine Learning
Toronto or Cambridge
$175k-$200k/yr HybridFull Time
Strong ML foundation, expertise in PyTorch, modern deep learning architectures, high proficiency in programming (concurrency, memory management), debugging and performance optimization, and ability to bridge research and production.
PyTorch, Weights & Biases, Airflow, Kubernetes, Docker, GCP, CUDA, Triton
2mo
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Research Engineer, Monetization AI
Sunnyvale or Bellevue or Menlo Park or Burlingame or Boston or New York or San Francisco or United States
$184k-$257k/yr HybridFull Time
Bachelor's in CS/ENG or equivalent; ML/NLP/recommender systems experience; Python with PyTorch; scalable ML; familiarity with large-scale architectures and AI tooling.
Python, PyTorch
1w
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Senior Applied AI/ML Engineer
Cambridge, Massachusetts, United States
OnsiteFull Time
10+ YOEAdvanced degree in Biological, Data, or Computer Science; 10+ years AI/ML development experience (or 5+ in commercial life sciences); portfolio of end-to-end AI/ML products; proven deployment experience; strong communication.
Tetra OS, Databricks, Snowflake, NVIDIA, Google, Microsoft
2w
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Applied AI Research Engineer
Boston or San Francisco or United States
HybridFull Time
3+ YOEBachelor's or Master's in a technical field (or equivalent), 3+ years building AI/ML or applied research systems, strong Python and PyTorch skills, experience with LLM tooling, fine-tuning, retrieval, agentic systems, and experiment design; eligible to obtain U.S. security clearance.
Python, PyTorch, Transformers, vLLM, Hugging Face
1w
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Computational Design Research Engineer
Boston or United States
$100k-$140k/yr RemoteFull Time
5+ YOE5+ years in geometric processing, simulation, optimization, ML, or DSLs. Strong Python and ML skills, experience with CAD/CAE/CAM data, dataset and pipeline development, and MS/PhD in related field.
Python, Machine Learning, LLMs, CAD, CAE, CAM
2mo
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Senior Machine Learning Research Engineer (Sensor Intelligence Group)
Boston, Massachusetts, United States
$150k-$215k/yr OnsiteFull Time
4+ YOEMaster’s or PhD in CS, EE, Biomedical Eng, Data Science, AI, Statistics; 4+ years ML/DL research; publications in ML/DL; experience with regulated/high-risk ML systems; Python, PyTorch, TensorFlow; AWS/GCP; strong communication.
Python, PyTorch, TensorFlow, AWS, GCP
2mo
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Computational Sensing Research Engineer
Boston, Massachusetts, United States
$144k-$198k/yr OnsiteFull Time
PhD or MS with strong mixed-signal design; sensor signal chain, CIS, signal processing, ML for sensor data; strong publication record.
FPGAs, CMOS image sensor, readout circuitry, signal processing, machine learning
1mo
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Principal Research & Design Engineer
Boston, Massachusetts, United States
$144k-$259k/yr OnsiteFull Time
Advanced experience applying AI/ML, data science, and automation to operational problems; strong programming and data-pipeline skills; experience with physical systems and fabrication workflows; willingness to work on-site in a hands-on technology center.
CNC, CAM, Fusion, Inventor, AutoCAD, Revit, Forma, PLCs, MQTT, OPC-UA, ROS
2mo
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Research Principal Engineer, Machine Learning
Milford or Cambridge
OnsiteFull Time
8+ YOEPhD or MS (or equivalent experience) in a quantitative field, 8+ years applying ML in research/engineering, expertise in ML and data science, Python and ML frameworks, ability to lead and mentor cross-functional teams.
Python, PyTorch, TensorFlow, scikit-learn
3mo
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Staff / Principal Engineer, Technical Mitigations Research
Cambridge or London or San Francisco
$224k-$336k/yr HybridFull Time
4+ YOE4-6+ years of engineering work with ML systems; experience building scalable production systems; ability to define research directions; strong communication of complex concepts.
1mo
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Research Software Engineer — Differentiable Scientific Computing (JAX/Julia)
Boston or Cambridge or Barcelona
HybridFull Time
3+ YOE3+ years building scientific/numerical/HPC or ML infrastructure; deep expertise in JAX or Julia; strong Python/Julia engineering; numerical methods, AD, optimization, and profiling skills; clear communication.
JAX, Julia, Python, Kubernetes, Docker, PyVISA, SCPI, HPC, CI
1w
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Senior Research Engineer - AI Security
Redmond or Cambridge
$120k-$235k/yr HybridFull Time
4+ YOEBachelor's in CS or related and 4+ years engineering experience coding in C/C++/C#/Java/JavaScript/Python; experience building ML systems, adversarial testing, telemetry, and secure production deployments; ability to pass Microsoft security screenings.
C, C++, C#, Java, JavaScript, Python
3w
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AI Foundations - Research Engineer
Cambridge, Massachusetts, United States
$111k-$191k/yr OnsiteFull Time
Master's degree required. Experience with Ruby, Python, Java, Node.js, SQL, RESTful API development, database design and security, and AI foundations (ML, DL, NLP). Agile development exposure preferred.
Ruby, Python, Java, Node.js, SQL, RESTful APIs
1mo
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AI Researcher / ML Engineer (ASR & Speech Specialist)
Washington D.C. or Indianapolis or Boston
HybridFull Time
3+ YOEMaster's/PhD or equivalent; 3+ years developing ASR and multilingual speech systems; strong PyTorch/Python skills; experience with speech toolkits, on-device runtimes, large audio datasets, and benchmark evaluation.
End-to-End Conformer, Whisper, RNN-T, CTC/Attention, PyTorch, NVIDIA NeMo, Hugging Face Transformers, Kaldi, ESPnet, SpeechBrain, ExecuTorch, LiteRT, TensorFlow Lite, ONNX Runtime Mobile, ONNX Runtime, Python, SpecAugment, ITN, TensorRT, Triton Inference Server, WebSockets, gRPC, Qualcomm QNN, Hexagon, NNAPI
2w
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AL/ML Programmer (Lexington, MA, US)
Lexington, Massachusetts, United States
$145k-$220k/yr OnsiteFull Time
5+ YOEPh.D. in EE/CS or Masters +5 years; deep AI/ML research experience; expert Python and deep-learning frameworks (PyTorch, TensorFlow), Huggingface, NumPy/pandas/SciPy; strong software-engineering and leadership skills; ability to obtain Top Secret clearance.
Python, PyTorch, TensorFlow, Huggingface, NumPy, pandas, SciPy, Git, conda, virtualenv
1w
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Senior Software Engineer - AI Research Clusters
Santa Clara or Austin or Westford or United States or Hillsboro or Durham
$152k-$288k/yr HybridFull Time
5+ YOEBS/MS in CS or Engineering (or equivalent), 5+ years software/platform engineering including 3+ years in ML infrastructure or distributed systems, strong coding in Python/C++/Rust, experience with Docker, Kubernetes, GitLab CI, Linux, and AIOps/Agentic AI.
Python, C++, Rust, Docker, Kubernetes, GitLab CI, Linux, Slurm, JavaScript, CSS, REST API
3w
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AI Research Scientist
Andover, Massachusetts, United States
$118k-$176k/yr HybridFull Time
PhD in ML/AI/NLP/Robotics (or strong Master\u0002s) with foundation-model experience, hands-on PyTorch and custom architectures, experiment design, Git-based engineering discipline, and ability to build reproducible ML prototypes.
PyTorch, Git, transformers, Coursera
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