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
2w
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Battery Research Scientist
El Segundo, California, United States
$117k-$176k/yr OnsiteFull Time
5+ YOEBachelor's in a STEM field required; 5+ years (senior) or 8+ years (research scientist) of battery/energy storage research, testing, or integration experience; strong electrochemistry and materials science background; hands-on experience with battery characterization techniques; ability to obtain security clearance and U.S. citizenship required.
XRD, SEM, EIS, cyclic voltammetry
2mo
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Research Scientist
Pasadena, California, United States
OnsiteFull Time
5+ YOEMS or equivalent experience in molecular/biochemical/biological sciences; 5 years of relevant research; experience with single-cell/spatial transcriptomics and multiomics; capable of leading and collaborating on projects.
Cell Ranger, Nanopore sequencing, CRISPR, siRNA, GOF screens, Python, R
1w
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Senior Research Scientist
Orange, California, United States
$85k-$90k/yr OnsiteFull Time
1+ YOEPh.D. in philosophy/psychology/neuroscience, 1+ year postdoctoral research, 5+ peer-reviewed publications, proficiency with MATLAB/JASP/R, EEG experience, strong writing and presentation skills.
MATLAB, JASP, R, EEG
1d
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Research Scientist
Pasadena or United States
$100k-$135k/yr RemoteFull Time
Graduate degree in physical/environmental/earth/applied sciences, experience with methane emission sectors and remote sensing, ability to work independently and manage multiple projects.
Git
2mo
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Scientist, Clinical Research
Sylmar, California, United States
$114k-$228k/yr OnsiteFull Time
8+ YOEBachelor's degree in a related field; minimum 8 years of experience; strong clinical research and regulatory understanding; protocol development and cross-functional collaboration.
1mo
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Research Scientist - World Model
Los Angeles or New York or San Francisco or Remote or United States or Singapore
$250k-$450k/yr HybridFull Time
PhD or equivalent in ML/vision/ robotics; deep expertise in generative modeling, self-supervised learning, or model-based RL; strong PyTorch and large-scale training experience; proven research record.
PyTorch, Large-scale training
2mo
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Research Scientist, Amazon Music - DISCO
Seattle or Culver City or New York or San Francisco
$136k-$213k/yr OnsiteFull Time
4+ YOEPhD or Master’s with 4+ years of quantitative field research; expertise in causal modeling, A/B testing, and data-driven decision making.
R, MATLAB, Python
5d
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Research Scientist, Quantum Error Correction, Quantum AI
Goleta or Los Angeles
$147k-$211k/yr OnsiteFull Time
PhD in quantum-related field, research publications in quantum error correction; experience initiating research agendas preferred; strong analytical and communication skills.
Low-Density Parity-Check (LDPC)
3d
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Research Scientist, Optical Systems
Redmond or Pasadena
$122k-$181k/yr OnsiteFull Time
PhD in relevant field, hands-on nanofabrication and thin-film deposition experience, proficiency with metrology tools, and experience developing/optimizing fabrication processes.
E-beam lithography, optical steppers, dry/plasma etching, sputtering, atomic layer deposition (ALD), e-beam evaporation, AFM, SEM, optical profilometry, spectroscopic methods, nanoimprint lithography (NIL)
1mo
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Research Scientist 4 - Machine Learning and Inference Research, LLM Post-Training
New York City or Los Angeles or Los Gatos
$300k-$537k/yr OnsiteFull Time
Ph.D. in Computer Science or related field with specialization in post-training LLMs and RL; top-tier publications; strong technical communication, collaboration, and self-motivation to drive research to impact.
1mo
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Research Scientist 4 - Machine Learning and Inference Research, LLM Post-Training
New York or Los Angeles or Los Gatos
$300k-$537k/yr OnsiteFull Time
Ph.D. in CS or related field with specialization in post-training LLMs and RL methods; strong top-tier publications; excellent technical communication, collaboration, independence, and ability to translate research into impact.
1mo
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Research Scientist, R&D (2026)
Los Angeles, California, United States
$100k-$175k/yr HybridFull Time
3+ YOEPhD or Master’s in CS/Physics/Mathematics; 3+ years R&D in graphics/physics/ML; advanced C++ with VCS and testing; strong communication; background in discrete geometry or related areas.
C++, CUDA, Metal, WebGPU
3d
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Applied Research Scientist - Trust and Safety
Los Angeles or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo or Singapore
$219k-$408k/yr OnsiteFull Time
5+ YOE5+ years applied research experience; strong quantitative and qualitative methods, experimentation, causal inference, and communication skills to influence policy and product decisions.
3w
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Scientist II, Translational Research
Redwood City or Boston or New York City or Chicago or San Francisco or Los Angeles or California or Colorado or Illinois or New York
$90k-$150k/yr OnsiteFull Time
4+ YOEPhD preferred, 4+ years drug development experience using genomic and multimodal data, strong computational biology and AI knowledge, proficiency in R/Python/ SQ, client-facing experience, and ability to travel ~25%.
R, Python, SQ, Pandas, NumPy, SciPy, Scikit-learn, Jupyter Notebooks, RStudio, tidyverse, ggplot, Git, matplotlib, seaborn, HTML5, CSS3, JavaScript, D3, Plot.ly, Flask, Dask, Docker, AWS
2w
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Gravitational-Wave Research Scientist III
Pasadena, California, United States
$145k-$181k/yr OnsiteFull Time
3+ YOEPhD in physics/astronomy/astrophysics or related field with 3+ years postdoctoral or relevant research experience; deep foundation in gravitational-wave data analysis, strong publication record, collaboration and communication skills.
1mo
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Research Data Scientist
Los Angeles or Washington
$106k-$125k/yr HybridFull Time, Temporary
3+ YOEMaster's in a quantitative field, 3+ years experience (5+ years statistical programming preferred), expertise with Medicare/Medicaid/commercial claims, SQL, Snowflake, AWS; strong analytic leadership and US work authorization required.
SAS, R, Python, SQL, Snowflake, AWS, VRDC, IDR, NIA LINKAGE
2mo
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Principal Research Scientist - Modeling and Simulation
Irvine, California, United States
$121k-$230k/yr OnsiteFull Time
6+ YOEPharmaceutical sciences/quantitative pharmacology/engineering with extensive PK/PD modeling expertise; strong programming in SAS/R; PBPK and population PK/PD knowledge; collaboration in cross-functional teams.
SAS, R, S+, Phoenix WNL, GastroPlus, SimCyp, Berkeley Madonna, ADAPT
3d
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Scientist II, Preclinical Research
Irvine, California, United States
$92k-$148k/yr HybridFull Time
1+ YOEMaster's in relevant life science required (PhD preferred), ~1–5 years lab experience, hands-on in vitro assays with electrophysiology or cardiac imaging preferred, scientific writing and basic data analysis, ELN documentation, compliance with EHS and quality procedures.
ELNs
1mo
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Postdoctoral Scientist – Behavioral Health Research (Hybrid)
Los Angeles, California, United States
$30-$45/yr HybridFull Time
1+ YOEDoctorate in a field related to behavioral/biomedical research; requires cover letter; 1 year postdoctoral experience; strong qualitative/quantitative research skills.
REDCap, Dedoose, Atlas, Microsoft Office, Zoom, Microsoft Teams
2d
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Biometrics and AI Research Scientist
Pasadena, California, United States
$137k-$228k/yr HybridFull Time
3+ YOEMS+3 years or PhD in EE/CS or related, 3+ years coding in C/C++ and Python, experience with deep learning frameworks (PyTorch, Tensorflow, Onnxruntime, OpenVino), biometrics or CV experience, US Person and authorized to work in the US.
C/C++, Python, PyTorch, Tensorflow, Onnxruntime, OpenVino, CUDA, OpenCL
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