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810 senior scientist jobs at 304 companies in Union, NJ

3mo
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Senior Data Scientist II
Raleigh or New York or California
$105k-$175k/yr HybridFull Time
LexisNexis Legal & Professional
LexisNexis Legal & Professional: Legal AI and data analytics delivering legal, regulatory, and business insights and workflows to professional customers.
Senior data scientist with ML/NLP/LLM experience; master's or higher; strong coding; hybrid search and agentic workflows experience; Python; statistics.
Python, LLMs, NLP, Vector databases, LangChain, LangGraph, AutoGen, RAG, Embeddings
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2mo
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Senior Staff Data Scientist
New York or Chicago or Denver
$216k-$250k/yr HybridFull Time
Grubhub
Grubhub: U.S. food-ordering and delivery marketplace connecting diners with local restaurants, merchants, and convenience retailers.
8+ YOE8+ years in data science with MS or 6+ years with PhD; expertise in causal inference, experimentation; proficient in Python and SQL; production ML experience; mentoring data scientists.
Python, SQL, Data Visualization, Object-Oriented Programming, Machine Learning
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1mo
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Data Scientist
New York City, New York, United States
OnsiteFull Time
Alliance
Alliance: Crypto and fintech startup accelerator and founder community helping startups reach product-market fit.
Senior data scientist with strong Python and SQL, production ML experience, data engineering skills, stakeholder communication, and NYC-based or willing to relocate.
Python, SQL, Metabase, LLMs, GitHub
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3mo
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Senior Applied Scientist
New York City, New York, United States
$200k-$245k/yr HybridFull Time
Garner Health
Garner Health: Private healthtech helping employers and members find high-quality in-network doctors and reduce healthcare costs.
2+ YOE2+ years shipping data-driven algorithms; strong problem-solving; ability to translate problems into production systems; good communication.
Python, SQL, AWS, Snowflake, pandas, XGBoost
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Senior Data Scientist
New York, New York, United States
$168k-$184k/yr HybridFull Time
Justworks
Justworks: Private HR technology providing payroll, benefits, HR, compliance, and global hiring services for small businesses.
7+ YOE7+ years in data science or analytics; strong experimental design and causal inference; excellent data storytelling; SQL and at least one programming language; familiarity with cloud data stacks; startup/SaaS experience preferred.
SQL, Python, R, Snowflake, dbt
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Principal/Senior - Data Scientist – New York City
New York City, New York, United States
HybridFull Time
Aily Labs
Aily Labs: Aily Labs is a private B2B SaaS providing AI-powered decision intelligence for global enterprises.
Senior/Lead Data Scientist with 4+ years; Principal with 6+ years; strong MLOps, Python/SQL, domain expertise; ability to lead projects and mentor teammates.
Python, SQL, MLOps, Knowledge Graph
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Senior Scientist, Obesity, Muscle & Metabolism
Tarrytown, New York, United States
$110k-$179k/yr OnsiteFull Time
Regeneron Pharmaceuticals
Regeneron PharmaceuticalsNASDAQ: REGN: Biotechnology discovering and developing life-transforming medicines.
3+ YOEPhD with at least 3 years post-doctoral experience; expertise in biochemistry, molecular biology; in vivo and in vitro assay development; strong data interpretation and communication.
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Senior Scientist
Princeton, New Jersey, United States
$81k-$109k/yr OnsiteFull Time
Cyprotex US, LLC
Cyprotex US, LLC: U.S. contract research organization providing predictive toxicology and ADME-Tox services to pharmaceutical, biotech, chemical, and personal-care clients.
6+ YOEPhD preferred (or MS with 6+ years); experience in ADME/DM-PK, LC-MS/MS/GC-MS, in vitro assays, data analysis, experimental design, and strong communication skills.
Microsoft Word, Microsoft Outlook, LC-MS/MS, GC-MS
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Senior Scientist
Princeton, New Jersey, United States
$81k-$109k/yr OnsiteFull Time
Cyprotex US, LLC
Cyprotex US, LLC: U.S. contract research organization providing predictive toxicology and ADME-Tox services to pharmaceutical, biotech, chemical, and personal-care clients.
6+ YOEPhD preferred (or MS+6yrs); experience in ADME, DM/PK, in vitro drug metabolism, LC-MS/MS or GC-MS, cell-based/biochemical assays, data analysis, and strong communication skills.
LC-MS/MS, GC-MS, Microsoft Word, Microsoft Outlook
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1mo
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Senior Scientist
Princeton, New Jersey, United States
$81k-$109k/yr OnsiteFull Time
Cyprotex US, LLC
Cyprotex US, LLC: U.S. contract research organization providing predictive toxicology and ADME-Tox services to pharmaceutical, biotech, chemical, and personal-care clients.
6+ YOEPhD preferred (or MS+6yrs); experience in ADME, in vitro metabolism, DM/PK, LC-MS/MS or GC-MS, experimental design, data analysis, and lab/robotic systems; strong communication and attention to detail.
AI/ML, LC-MS/MS, GC-MS, Microsoft Word, Microsoft Outlook
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2w
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Analytical Scientist / Senior Analytical Scientist
Pearl River, New York, United States
$70k-$90k/yr OnsiteFull Time
RK Pharma
RK Pharma: Privately held generic pharmaceutical developer and manufacturer serving global pharmaceutical customers with APIs, injectables, and affordable medicines.
5+ YOEBachelor's degree in a scientific discipline; 5+ years of pharmaceutical laboratory experience, or 8–12+ years for senior level. Requires analytical development, validation, testing, instrumentation, and regulated documentation experience.
HPLC, UPLC, GC, UV-Visible Spectrophotometer, FTIR Spectroscopy, Dissolution Testing, Malvern Mastersizer, Zetasizer, Karl Fischer Titration, Brookfield Viscometer, Empower 3, LabSolutions, SAP, Microsoft Office Suite
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2mo
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Senior Data Scientist, Apple Ads
New York City, New York, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designing and manufacturing consumer electronics, software, and digital services.
Experienced data scientist skilled in experimentation, statistical modeling, machine learning, and using data to measure, forecast, and optimize advertising across products.
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Senior Data Scientist
California or New York City or Washington
$145k-$266k/yr OnsiteFull Time
Epic Games
Epic Games: Developer of video games and real-time 3D creation tools.
5+ YOE5+ years data science experience, expertise with SQL and Python, time series modeling and forecasting, strong communication, experience presenting to senior leaders.
SQL, Python, PySpark, Prophet
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1mo
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Senior Research Data Scientist
Boston or New York
$330k-$375k/yr HybridFull Time
Roku
RokuNASDAQ: ROKU: TV streaming platform powering the global television ecosystem.
10+ YOEPhD-preferred research data scientist with 10+ years applying causal inference and ML to large observational datasets; expertise in observational causal methods, communication skills, and productionizing pipelines.
Spark, Ray, SQL, Python, scikit-learn, XGBoost, LightGBM
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3mo
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Sr. Data Scientist, Translational Research
Chicago or Redwood City or New York City
$100k-$175k/yr RemoteFull Time
Tempus AI
Tempus AINASDAQ: TEM: AI-enabled precision medicine and health technology.
Senior data scientist with advanced degree, experience in large biomedical datasets, ML, Python/R, cloud, and AI-enabled workflows.
Python, R, AWS, GCP, Docker, Git, Linux, Jupyter, Pandas, NumPy, SciPy, Scikit-learn, GitHub Copilot, Plotly, Flask, Dask
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2w
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Senior Scientist - Imaging
Tarrytown, New York, United States
$110k-$179k/yr OnsiteFull Time
Regeneron Pharmaceuticals
Regeneron PharmaceuticalsNASDAQ: REGN: Biotechnology discovering and developing life-transforming medicines.
5+ YOEMSc or PhD in a relevant scientific field; 5+ years operating in vivo rodent MRI and handling mice and rats, including anesthesia, injections, and tissue processing; MRI software experience required.
7T Bruker BioSpin, 3D Slicer, ITK Snap, ImageJ, Bruker ParaVision, VivoQuant, Amira, LCModel, FID-A, FSL
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4d
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Senior Lead Data Scientist
Seattle or New York City
$204k-$227k/yr OnsiteFull Time
Compass
CompassNYSE: COMP: Technology-driven residential real estate brokerage and software platform.
8+ YOEMaster's or PhD in a quantitative field and 8+ years of data science experience. Requires advanced Python and SQL, complex modeling expertise, MLOps, technical leadership, strategic initiative delivery, and senior-level mentoring.
XGBoost, Python, SQL, MLOps, NLP
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2mo
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Senior Staff Data Scientist
New York or Chicago
$240k-$250k/yr HybridFull Time
Grubhub
Grubhub: U.S. food-ordering and delivery marketplace connecting diners with local restaurants, merchants, and convenience retailers.
8+ YOE8+ years experience with MS or 6+ years with PhD; strong data science and ML, causal inference, production ML; Python and SQL; mentoring; cross-functional collaboration.
Python, SQL, Pandas, Scikit-learn, Visualization, Production ML, Git
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3mo
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Senior Scientist, Analytical Chemistry
Branchburg Township, New Jersey, United States
$90k-$123k/yr OnsiteFull Time
Amneal Pharmaceuticals
Amneal PharmaceuticalsNASDAQ: AMRX: Developer and manufacturer of generic and specialty pharmaceutical products.
5+ YOEBachelor's in chemistry; Master's preferred; 5+ years pharma experience; extensive analytical chemistry knowledge; HPLC/GC and methods development expertise.
HPLC, GC, Dissolution Apparatus, UV-Vis Spectrophotometer, FTIR, TLC, Mass Spectrometry, Karl Fischer titrator, pH meter
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3mo
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Senior Data Product Scientist
New York, New York, United States
$155k-$185k/yr HybridFull Time
AMC Networks
AMC NetworksNASDAQ: AMCX: Public U.S. media producing and distributing television, film, streaming services, and cable networks worldwide.
8+ YOEMaster’s Degree in STEM or Quantitative field, or 6 additional years of relevant work experience; 8+ years of applied data science; strong Python/SQL and ML fundamentals; ability to communicate across technical and non-technical audiences.
Python, SQL, ML
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