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
Corgi (S24) Corgi is building an AI insurance company
Chef (7 days a week)

fulltimeSan Francisco, CA, USChemistry

Same (W24) Build products without coding(3 days ago)
Research Engineer

fulltimeSan Francisco, CA, US / RemoteResearch

LunaJoy Health (W22) AI-powered scalable infrastructure + mental health services, starting…
Licensed Mental Health Providers

contractUS / Remote (US)Healthcare

Fella & Delilah (W20) Fella & Delilah is the direct-to-patient clinic for busy families to…
Nurse Practitioner (≥ 3 provinces Canada) — Remote, $60/h inc equity

contractCA / Remote (CA)Healthcare

Fella & Delilah (W20) Fella & Delilah is the direct-to-patient clinic for busy families to…
Fractional Medical Director — Remote, $90/h inc equity

contractCA / Remote (CA)Healthcare

AgileMD (S11) Predictive analytics and clinical pathways for hospitals
Healthcare Outcomes Data Analyst

fulltimeUS / Remote (US)Healthcare

camfer (S24) Building the world’s first AI mechanical engineer.(6 days ago)
Founding Research Engineer

fulltimeSan Francisco, CA, USResearch

Wyndly (W21) Life's better without allergies(6 months ago)
Physician - Synchronous Telehealth - 1099 / Remote

contractUS / Remote (US)Healthcare

SiPhox Health (S20) Wearable and At-Home protein monitoring with silicon photonic chips
Biomarker Insights & Clinical Training Lead

fulltimeBoston, MA, USHealthcare

Maritime Fusion (W25) Fusion reactors for ships
Plasma Physicist

fulltimeSan Francisco, CA, USLaboratory

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

fulltimeUS / Remote (US)Research

arnata (W21) AI workers for the logistics industry.
AI Researcher

fulltimeSan Francisco, CA, US / RemoteResearch

Anthrogen (S24) We're training the next generation of protein foundation models.(about 2 months ago)
Machine Learning Research Scientist

fulltimeSan Francisco, CA, USResearch

Relace (W23) LLMs for Code Generation
Machine Learning Scientist

fulltimeSan Francisco, CA, USResearch

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

fulltimeFoster City, CALaboratory

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

fulltimeFoster City, CALaboratory

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

fulltimeSan Francisco, CA, USChemistry

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.
Protein Scientist (Ph.D. Required)

fulltimeSan Carlos, CABiology

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

fulltimeSan Carlos, CaliforniaBiology

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

fulltimeoakland, caBiotechnology

PostEra (W20) Medicinal Chemistry powered by Machine Learning
Lead Investigator, Clinical Development/Operations

fulltimeRemote / Remote (US)Biotechnology


Sign up to see more ›