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Principal Scientist Process Development Expression Systems Jobs in San Francisco

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Active Principal Scientist Process Development Expression Systems roles in San Francisco, indexed directly from company ATS systems — not reposted from LinkedIn, Indeed, or Glassdoor. Upload your resume to see your match score against open positions.

Principal Scientist, Process Development (Expression Systems)

Moderna

Norwood, Massachusetts Senior Direct
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Principal Scientist, Upstream Process, Process Development

Legend Biotech

Somerset, New Jersey, United States Onsite Senior Direct
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Sr/Principal Scientist - Upstream Process Development

Genezen

Fishers, Indiana, United States Onsite Senior Direct
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Principal Scientist, Lentivirus Downstream Process Development

Legend Biotech

Somerset, New Jersey, United States Hybrid Senior Direct
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Senior / Principal Scientist, ADC Conjugation Process Development

Immunome, Inc.

Bothell, Washington, United States Senior Direct
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Scientist, LNP Process and Development

Serif Biomedicines, Inc.

Serif Biomedicines Senior Direct
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Sr Principal Data Scientist

Smartsheet

India Senior Direct
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Principal Data Scientist

Intellishore

Copenhagen Hybrid Senior Direct
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Lead / Principal Data Scientist

UptimeAI

Bangalore (India) Hybrid Lead Direct
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Principal Systems Developer - DevSecOps

InterSystems

Boston, MA Onsite Senior Direct
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Principal Scientist, Process Chemistry

Pfizer

United States of America Onsite Senior Direct
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Principal Applied Scientist, Hardware Silicon and Systems Group

ADCI

Bengaluru, Karnataka, IND Onsite Senior Direct
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Principal Data Scientist - Agent Builder

Elastic

Netherlands Principal Direct
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Principal Applied Scientist

Amazon Development Center U.S., Inc.

Seattle, Washington, USA Onsite Senior Direct
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Principal Data Scientist - Agent Builder

Elastic

Netherlands Senior Direct
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Principal Data Scientist - Agent Builder

Elastic

Netherlands Principal Direct
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Principal Data Scientist - Agent Builder

Elastic

Netherlands Principal Direct
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Principal Data Scientist - Agent Builder

Elastic

Netherlands Principal Direct
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Sr. Principal Scientist, Analytical Development (Small Molecule)

Antares Therapeutics

Boston, Massachusetts, United States Onsite Senior Direct
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C3BM Principal Systems Analyst

Mobius

Huntsville, Alabama, United States Senior Direct
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Scientist I, Process Development

Legend Biotech

United States Onsite Direct
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Staff / Principal Data Scientist

Auror

Remote - United States Remote Senior Direct
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Senior Director of Development, Principal Gifts

Indiana University Foundation

Bloomington, IN, United States Onsite director Direct
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Senior Director of Development, Principal Gifts

Indiana University Foundation

Bloomington, IN, United States Onsite director Direct
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Principal Rust Development Engineer

Bybit

Kuala Lumpur Tech Office Senior Direct
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Applied Scientist - Recommendation Systems

Amazon.com Services LLC

Seattle, Washington, USA Onsite Direct
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Principal Applied Scientist, Agentic Automated Reasoning Group

Amazon Development Center U.S., Inc.

Boston, Massachusetts, USA Onsite Senior Direct
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Principal Data Scientist

Canada Flexible Lead Direct
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Senior or Principal Data Scientist/Machine Learning Scientist

Cambridge, MA Onsite Senior Direct
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Principal Database Development Engineer

Bybit

Kuala Lumpur Tech Office Senior Direct
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Principal Applied Scientist, AGI Foundations

Amazon.com Services LLC

Boston, Massachusetts, USA Onsite Senior Direct
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Process Development Scientist

Capricor Therapeutics

San Diego, CA Onsite Direct
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Principal Scientist, Radiopharmaceutical Development/CMC

RayzeBio

United States of America Remote Senior Direct
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Senior Principal. NET Developer

Saxo

Denmark Onsite Senior Direct
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Senior Principal. NET Developer

Saxo

Denmark Onsite Senior Direct
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Principal Applied Scientist

UiPath

Bellevue Flexible Senior Direct
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Engineer III, Process Development

Moderna

Norwood, Massachusetts Senior Direct
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Principal Applied Scientist, Amazon Payments

Amazon.com Services LLC

Seattle, Washington, USA Onsite Senior Direct
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Principal Applied Scientist, AWS Agentic AI

Amazon Development Center U.S., Inc.

Seattle, Washington, USA Onsite Senior Direct
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Principal Software Developer

Lightspeed

Remote in the US Remote Lead Direct
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Principal Applied Scientist, Automated Reasoning Group

Amazon Development Center U.S., Inc.

Seattle, Washington, USA Onsite Senior Direct
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Principal Software Developer - Distributed Systems - Elasticsearch

Elastic

Distributed, Global Remote Senior Direct
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Principal Blockchain Development Engineer (Java)

Bybit

Abu Dhabi Senior Direct
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Process Development Scientist - Bioreactor

Capricor Therapeutics

San Diego, CA Onsite Direct
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Scientist, Process Development (I, II, III)

Cellares

South San Francisco, CA Onsite Direct
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Principal Applied Scientist, Sponsored Products and Brands

Amazon.com Services LLC

Palo Alto, California, USA Onsite Senior Direct
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Principal Applied Scientist, Sponsored Products and Brands

Amazon.com Services LLC

Palo Alto, California, USA Onsite Senior Direct
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Principal Applied Scientist, AWS Agentic AI

Amazon Development Center U.S., Inc.

New York, New York, USA Onsite Senior Direct
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ACES Process & Systems Engineer Quality, FC ACES

Amazon Servicos de Varejo do Brasil Ltda.

Cajamar, Sao Paulo, BRA Onsite Direct
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Principal Applied Scientist, Prime Video Personalization & Discovery

Amazon.com Services LLC

Sunnyvale, California, USA Onsite Senior Direct
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Common Questions

How many principal scientist process development expression systems jobs in san francisco are available?
JobsGlitch lists active principal scientist process development expression systems jobs in san francisco sourced directly from company ATS platforms — not reposted from LinkedIn.
Are these Principal Scientist Process Development Expression Systems roles actually hiring in San Francisco?
Yes — every listing is indexed directly from company career pages (Greenhouse, Lever, Workday, Ashby). These are not aggregated from other job boards, so they reflect live hiring intent.
What skills do Principal Scientist Process Development Expression Systems jobs in San Francisco require?
Required skills vary by employer and seniority. Browse the listings above to see the specific requirements for each open role.
How do I apply for principal scientist process development expression systems jobs in san francisco?
Click any job listing to view the full description and apply directly on the company's career page. Upload your resume on JobsGlitch first to see your match score before applying.