Science jobs at Y Combinator startups

Find open roles and connect with founders and hiring teams of over 1,000 vetted, funded Y Combinator startups. And create one application to apply to hundreds of roles at YC companies.
Create Profile ›
EngineeringDesignRecruitingScienceProductOperationsSalesMarketingLegalFinance
Anthrogen (S24) We make molecules like fuels and plastics from the air.
Biologist/Structural Biologist

fulltimeSan Francisco, CA, USBiology

Cleancard (S23) Making cancer detection as easy as a pregnancy test
Senior Chemist

fulltimeSan Francisco, CA, USChemistry

Cleancard (S23) Making cancer detection as easy as a pregnancy test
Scientist II/III (Assay Development)

fulltimeSan Francisco, CA, USBiotechnology

Anima (W21) The next generation care enablement platform
Clinical Engineer

fulltimeRemoteHealthcare

SiPhox Health (S20) Wearable and At-Home protein monitoring with silicon photonic chips
Science/Health/Technology Podcast producer

fulltimeBoston, MA, US / Remote (US)Research

SiPhox Health (S20) Wearable and At-Home protein monitoring with silicon photonic chips
Chemist Technician

fulltimeBurlington, MA, USChemistry

Shaped (W22) The fastest path to relevant recommendations and search
AI Research Scientist

fulltimeNew York, NY, USResearch

Deepgram (W16) Building foundational AI for speech transcription and understanding.
Research Scientist, Voice

fulltimeUS / Remote (US)Research

LunaJoy (W22) Precision mental health care for women
Psychiatric Nurse Practitioner (PMHNP)

contractRemote (US)Healthcare

LunaJoy (W22) Precision mental health care for women
Licensed Mental Health Providers

contractUS / Remote (US)Healthcare

Nephrogen (S20) Curative gene therapies for kidney diseases
Research Associate - CRISPR/AAV

fulltimeNew York, NY, USBiotechnology

Notable Labs (W15) Personalized drug discovery for blood cancer.
Principal Product Development Scientist

fulltimeFoster City, CALaboratory

Notable Labs (W15) Personalized drug discovery for blood cancer.
Product Development Scientist / Senior Assay Development Scientist

fulltimeFoster City, CALaboratory

Yoneda Labs (W24) Foundation Model for Chemical Manufacturing
Organic Chemist

fulltimeSan Francisco, CA, USChemistry

Andson Biotech (W22) Empowering Mass Spec for Biotech and Beyond
Research Engineer (Mass Spectrometry, Instrumentation, and Field Applications)

fulltimeAtlanta, GA, USBiotechnology

Alga Biosciences (W22) We stop cows from burping methane.
Senior Research Scientist – Formulation Science

fulltimeBerkeley, CAPharmacology

Ankr Health (W22) Virtualizing brick-mortar infrastructures of clinics w/ generative AI
Manager, Clinical Research (Oncology)

fulltimeHouston, TX, USHealthcare

Rinse (S21) We're building the One Medical for dental
Lead Registered Dental Hygienist (RDH) - San Francisco, California

fulltimeSan Francisco, CA, USHealthcare

Epinoma (S21) We engineer proteins that control the operating system of biology.
Therapeutic Research Associate

fulltimeSan Carlos, CaliforniaBiology

Epinoma (S21) We engineer proteins that control the operating system of biology.
Protein Scientist (Ph.D. Required)

fulltimeSan Carlos, CABiology

Rev Genomics (S17) Rev is a biotechnology company creating better plants.
Rev Genomics (S17) seeks plant biologist

fulltimeoakland, caBiotechnology

Holy Grail (S19) We capture CO2 from the atmosphere and store it above ground
Electrochemist

fulltimeFremont, CA, USChemistry

Holy Grail (S19) We capture CO2 from the atmosphere and store it above ground
Chief Technology Officer

fulltimeFremont, CA, USChemistry


Sign up to see more ›