209 senior researcher jobs at 86 companies in Lemay, MO
3mo
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Senior Research Technician - Pediatrics Gasteroenterology
Saint Louis, Missouri, United States
$19-$32/hr OnsiteFull Time
1+ YOEMaster’s degree or equivalent experience; 1 year lab experience; molecular biology skills; data management; supervise technicians.
PCR, qPCR, RT-PCR, DNA purification, RNA purification, Sequencing, Bacterial culture
3mo
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Senior Specialist, Product Experience Design
O'Fallon, Missouri, United States
$104k-$177k/yr HybridFull Time
2+ YOEExperience in UX design, UX research, content design, or technical writing in large scale or enterprise environments. Strong writing, information architecture, and collaboration with senior stakeholders.
Figma
3mo
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Senior Microbiologist (Chesterfield, MO -Missouri, US, 63017)
Chesterfield, Missouri, United States
OnsiteFull Time
6+ YOELead microbiology analyses, CCP validations, and environmental monitoring programs; ensure food safety compliance; support product development and regulatory activities.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, SAP
4d
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Research Assistant, Senior
St. Louis or Madrid
OnsiteFull Time
Bachelor’s degree in biomedical science or related field, mammalian tissue culture experience, and broad knowledge of biomedical laboratory techniques required. MS or 5+ years of biomedical research preferred.
spectrophotometers, fraction collectors, chromatography equipment, centrifuges, incubators, homogenizers, PCR machines, electronic imagers, microscopes, chromatography, electrophoresis
2w
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Senior Advanced AI Research Engineer
Mountain View or Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek
$123k-$338k/yr OnsiteFull Time
5+ YOEBachelor's degree in computer science, computer engineering, or related field; 5+ years Python or Node.js/TypeScript and AI/ML systems experience; research-to-production expertise preferred.
Python, Node.js, TypeScript, FastAPI, asyncio, Kubernetes, OpenTelemetry, Microsoft Excel
3w
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Senior Advanced AI Research Engineer
Mountain View or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years with Python and/or Node.js/TypeScript, and 5+ years with AI/ML systems. Research-to-production experience preferred; Kubernetes, databases, tracing, and async Python are bonuses.
Python, Node.js, TypeScript, FastAPI, asyncio, Kubernetes, OpenTelemetry, CI
3w
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Senior Analytical Scientist
St. Louis, Missouri, United States
$76k-$114k/yr OnsiteFull Time
1+ YOEBachelor's plus 6+ years, master's plus 2+ years, or PhD plus 1+ year of research in a relevant life science or engineering discipline; analytical development and GMP experience required.
ELISA, SPR, Isoelectric Focusing, CE, UV-Vis, HPLC, GC, IC, UPLC, SEC, HILIC, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
3w
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Senior Analytical Scientist
St. Louis, Missouri, United States
$76k-$114k/yr OnsiteFull Time
1+ YOEBachelor's degree plus 6+ years, master's plus 2+ years, or PhD plus 1+ years of research in chemistry, biochemistry, biomedical engineering, chemical engineering, life science, or engineering. Analytical development expertise required.
ELISA, SPR, Isoelectric Focusing, CE, UV-Vis, HPLC, GC, IC, UPLC, SEC, HILIC, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
3w
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Senior Analytical Scientist
St. Louis, Missouri, United States
$76k-$114k/yr OnsiteFull Time
1+ YOERequires a relevant bachelor's degree and 6+ years, master's degree and 2+ years, or PhD and 1+ years of research experience. Preferred expertise includes analytical methods, protein characterization, GMP, laboratory techniques, and project leadership.
ELISA, SPR, Isoelectric Focusing, CE-based methods, UV-Vis, HPLC, GC, IC, UPLC, SEC, HILIC, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
2mo
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Research Scientist or Senior Research Associate - Taylor Lab
Olivette, Missouri, United States
OnsiteFull Time
5+ YOE5+ Mgmt5+ years experience leading plant transformation platforms and supervising technical staff; expertise in cassava transformation, Agrobacterium biology, vector design, tissue culture, molecular analysis, and scientific communication. PhD with postdoc or MSc with extensive research experience required.
3w
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Senior Scientist
St. Louis, Missouri, United States
$106k-$158k/yr OnsiteFull Time
5+ YOERequires a chemistry-related BS with 5–7+ years, master's with 3–5+ years, or PhD with 0–1+ years; advanced LC-MS, biomolecule sample preparation, and collaborative communication skills.
LC-MS, Multiple Reaction Monitoring (MRM), Parallel Reaction Monitoring (PRM), UNIFI, BioPharma Finder, Mascot, Scaffold, Thermo, Sciex, Waters, Agilent, MALDI-MS
2mo
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Senior Archaeologist
Louisville or Saint Louis or Kansas City or Chicago or Peoria or Madison or Indianapolis or Columbus or Cincinnati or Lansing or Detroit or Novi or Lexington or Arkansas or Illinois or Kentucky or Michigan or Missouri or Mississippi or Oklahoma or Tennessee
OnsiteFull Time
7+ YOEMaster's in archaeology/anthropology/historic preservation, 7+ years CRM archaeology experience including Section 106/110 compliance, strong regulatory knowledge, project budgeting/proposals, technical writing, team leadership, and occasional travel.
2mo
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Senior Brand Planner
Saint Louis or Chicago
HybridFull Time
5+ YOE5+ years advertising/marketing experience in brand planning, strategy or research; experience developing creative briefs, research methodology, proposals, brand positioning, audience insight, and presenting recommendations.
2mo
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Senior Formulation Scientist
Bridgeton, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's in food science or related with 10+ years or Master's with 5+ years; hands-on formulation and scale-up experience in beverages/frozen desserts/confections; UHT/HTST experience preferred; MS Office proficiency; strong problem solving and communication.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Outlook
1mo
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Senior AI Scientist
Tempe or St. Louis
HybridFull Time
9+ YOERequires 9+ years delivering applied data science solutions, an MS in a quantitative field, Python, statistical modeling, and expertise in at least two of ML, AI, GenAI, optimization, or agentic systems.
Python, SQL, Git, CI/CD, Databricks
1mo
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Postdoc Research Associate - Genetics
St. Louis, Missouri, United States
OnsiteFull Time
Doctorate (Ph.D. or M.D.) required; conduct laboratory and computational research, assist grant and paper preparation, maintain research records, follow compliance and safety, and perform animal care if applicable.
3mo
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Imagery Scientist (EO) - Senior
St. Louis, Missouri, United States
OnsiteFull Time
4+ YOEActive TS/SCI clearance with CI/Poly; 4+ years EO imagery exploitation; expertise in EO, imagery science, sensor phenomenology, data pipelines; experience with algorithms, workflows, automated processing; strong communication.
Geospatial imagery, Remote sensing, Image processing, Machine learning, Computer vision, ETL, Algorithms
1mo
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Senior Product Development Specialist
St. Louis, Missouri, United States
$90k-$124k/yr OnsiteFull Time
5+ YOEBachelor's plus 5+ years product development (food) experience or HS with 9+ years; ability to manage scale-up, formulation, supplier qualification, and lead improvement projects; must travel ~50%.
3d
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Senior AI Research Scientist – Foundation Models & Agentic AI
Charlotte or San Francisco or West Des Moines or Irving or Tempe or Saint Louis or Minneapolis
$139k-$260k/yr HybridFull Time
4+ YOERequires 4+ years of quantitative analytics experience and a master's degree in a quantitative discipline. Desired: PhD or applied research experience, AI/ML publications, and expertise in foundation models, LLMs, agentic AI, and production systems.
GPT-4, BERT, LLaMA, Claude, GitHub Copilot, GPU, Transformer, TensorFlow, PyTorch, Hugging Face, AWS, GCP
2w
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Director / Senior Director, Antibody Therapeutics
St. Louis, Missouri, United States
$200k-$240k/yr OnsiteFull Time
12+ YOEPhD in a life-science discipline and 12+ years in biotechnology or pharmaceuticals, with antibody therapeutics leadership, IND-enabling development, immunology, translational pharmacology, regulatory, and team management experience.
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