Jobs at Y Combinator Startups
Every open role at the companies in Y Combinator's newest batches that are hiring, and at the security startups we feature, read daily from their public YC profiles. Pay, equity, location and visa terms are as each company posted them. Apply links go to YC's Work at a Startup.
141 open roles at 61 companies · 87 companies watched · updated 1h ago
Rhem Labs Featured
Home care technology for aging parents and their families
-
Founding Creative Generalist
San Mateo, CA, USFull-timeAny (new grads ok)US citizen/visa only
Bloomy Featured
AI-native learning for every school
-
Partnerships Account Manager
US / Remote (US)Full-time3+ yearsUS citizen/visa only
-
Partnerships Account Executive
US / Remote (US)Full-time3+ yearsUS citizen/visa only
-
Chief Technology Officer
San Francisco, CA, USFull-time6+ yearsUS citizen/visa only
-
Founding Engineer
San Francisco, CA, USFull-time3+ yearsUS citizen/visa only
Parameter Featured
AI pentesting, that works!
-
Member of Technical Staff
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Member of Security Staff
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
Salus Featured
Guardrails to validate your agent's actions before they execute
-
Founding SWE / MLE
San Francisco, CA, US / New York, NY, US / Remote (US)Full-time1+ yearsWill sponsor
PythonTypeScriptLLMsAI Agents
-
Founding GTM / BDR — AI Agent Infrastructure
San Francisco, CA, US / Remote (San Francisco, CA, US)ContractAny (new grads ok)US citizen/visa only
Antigen Featured
Continuous offensive security for the enterprise.
-
Security Researcher
San Francisco, CA, USFull-time1+ yearsUS citizen/visa only
Information SecuritySoftware SecurityAI Agents
ComplyDo Featured
Global Compliance for Enterprises
-
Engineer
Berlin, BE, DE / Berlin, Berlin, DEFull-timeAny (new grads ok)US citizenship/visa not required
CONUS
The AI knowledge layer for medical devices
-
Senior Frontend Engineer, Product & UX
Cologne, NRW, DEFull-time6+ yearsUS citizenship/visa not required
CSSReactTypeScript
-
Senior Backend Engineer, AI & Data Platform
Cologne, NRW, DEFull-time6+ yearsUS citizenship/visa not required
DjangoPythonSQLDocker
Covera
AI-native OS for insurance brokers
-
Founding GTM/ Account Executive
San Francisco, CA, USFull-time3+ yearsUS citizen/visa only
Ignition Benefits
The AI-Native Benefits Brokerage
-
Founding Member of Technical Staff
San Jose, CA, USFull-time6+ yearsUS citizen/visa only
PythonTypeScriptAI Agents
Orca Aerospace
AI spacecraft operators that lives onboard the vehicle
-
Founding Flight Software Engineer
San Francisco, CA, US / Remote (US)Full-time1+ yearsUS citizen/visa only
C++PythonLinux
Runtime.si
Evaluation Infrastructure for Robotics (YC F26)
-
Founding GTM
San Francisco, CA, USInternshipUS citizen/visa only
-
Founding Software Engineer, Robotics Infrastructure
San Francisco, CA, USInternshipUS citizen/visa only
-
Electrical Engineer, Robotics
San Francisco, CA, USInternshipUS citizen/visa only
Simantic
Firmware simulation for AI agents
-
Lead Simulation Researcher (Electronics / Firmware)
Waterloo, Ontario, CA / San Francisco, CA, USFull-time6+ yearsWill sponsor
AssemblyCC#C++VerilogGPU Programming
Spine
We run benefits, payroll & compliance for startups, for free
-
Senior Health & Benefits Broker
San Francisco, CA, US / Los Angeles, CA, US / Remote (CA, US)Full-time3+ yearsUS citizen/visa only
-
Growth & Community Lead
San Francisco, CA, US / Remote (San Francisco, CA, US)Full-time3+ yearsUS citizen/visa only
The Subvocal Company
Talk to your computer without talking
-
Head of Hardware
San Francisco, CA, USFull-time3+ yearsUS citizen/visa only
-
Head of Sensing
San Francisco, CA, USFull-time6+ yearsUS citizen/visa only
-
Head of ML
San Francisco, CA, USFull-time3+ yearsUS citizen/visa only
Machine LearningSpeech Recognition
Volaren Inc.
The investing agent that comes to you
-
Software Engineer
San Francisco, CA, US / Remote (US)Full-time1+ yearsUS citizen/visa only
Voyager
Open harness for video and other creative work.
-
Filmmaker
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
Vyra
Autonomous video editing for non-editors.
-
Creator Internship
US / Remote (US)InternshipUS citizen/visa only
Workers IO
Simulation environments for verifying mission-critical software
-
Systems Engineer, Hypervisor and Kernel
San Francisco, CA, US / Remote (US)Full-timeAny (new grads ok)US citizen/visa only
Amazon Web Services (AWS)CRustLinuxSoftware Architecture
83 Sciences
AI-native materials discovery powered by unpublished experimental data
-
Head of Data Partnerships
New York, NY, US / San Francisco, CA, US / Remote (US)Full-time3+ yearsUS citizen/visa only
-
Founding AI Engineer
San Francisco, CA, US / New York, NY, US / Remote (US)Full-time1+ yearsUS citizen/visa only
Aktoria Robotics
Human as API for robots
-
Head of Marketing
Noida, UP, IN / Noida, Uttar Pradesh, INFull-time3+ yearsUS citizenship/visa not required
-
HR Manager (India)
Noida, UP, IN / Noida, Uttar Pradesh, INFull-time6+ yearsUS citizenship/visa not required
-
Robot Learning Researcher (VLA / Foundation Models)
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
Allia Health
AI-Native Medical Group for Mental Health
-
Growth / Marketing Lead
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
COACH
The AI Coach for in person sales reps.
-
Founding Marketer
San Francisco, CA, USFull-time3+ yearsWill sponsor
-
Founding Sales - Europe
Paris, IDF, FR / Paris, Île-de-France, FRFull-time3+ yearsUS citizenship/visa not required
-
Founding Customer Success
Paris, FranceFull-timeAny (new grads ok)US citizenship/visa not required
-
Founding Customer Success (Senior)
Paris, FranceFull-time3+ yearsUS citizenship/visa not required
-
Founding AI Engineer
San Francisco, CA, USFull-time6+ yearsUS citizen/visa only
PostgreSQLPythonMachine LearningAI Agents
DeepReach Inc.
Network for Physical AI Data Business
-
VP / Head of Global Data Partner Network & Operations
San Jose, CA, USFull-time3+ yearsWill sponsor
Denta
Fortune 500 Dental Benefits for Startups
-
Founding Growth
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
Edgerun
Military exoskeletons
-
Supply Chain Engineer
Palo Alto, CA, USFull-time3+ yearsUS citizen/visa only
-
Software Engineer
Palo Alto, CA, USFull-time3+ yearsUS citizen/visa only
Amazon Web Services (AWS)CC++PythonData WarehousingData Analytics
-
Principal Engineer, Embedded Systems
Palo Alto, CA, USFull-time11+ yearsUS citizen/visa only
C++Firmware
Edviro
AI That Operates Energy Infrastructure
-
Founding GTM
San Francisco, CA, US / Remote (US)Full-timeAny (new grads ok)US citizen/visa only
-
Member of Technical Staff
San Francisco, CA, US / Remote (US)Full-timeAny (new grads ok)US citizen/visa only
Glen
Institutional Learning Layer for Every Agent in Your Company
-
Founding Member of Technical Staff
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
ReactTypeScript
HERA
We make sure every factory in the world builds without mistakes.
-
Industrial Software Engineer
San Francisco, CA, US / Remote (US)Full-time3+ yearsUS citizen/visa only
Amazon Web Services (AWS)JavaScriptCAD DesignAI Agents
Hubble
AI-native retrieval engine for medical records
-
Founding Engineer
Seattle, WA, USFull-time3+ yearsUS citizen/visa only
IMPACT Drones
Air Defense as a Service for Civilian Infrastructure.
-
Autonomy Engineer, Interceptor Drones
San Francisco, CA, USFull-time1+ yearsUS citizen/visa only
CC++PythonComputer VisionEmbedded LinuxFirmware
-
Integration Engineer, Radar and Drone Software (Counter-UAS)
San Francisco, CA, USFull-time1+ yearsUS citizen/visa only
C++PythonTCP/IPLinuxEmbedded LinuxFirmware
-
Founding Engineer, Robotics and Flight Software
San Francisco, CA, USFull-time3+ yearsUS citizen/visa only
CC++PythonRustEmbedded LinuxFirmware
Lamb Labs
Lightning fast chips with hardcoded AI models
-
Member of Technical Staff (Model Quantization & Inference)
London, England, GBFull-timeAny (new grads ok)US citizenship/visa not required
-
Founding ASIC Engineer (Architecture & RTL)
London, England, GBFull-time1+ yearsUS citizenship/visa not required
-
Founding AI Accelerator Architect (Research & Hardware Co-Design)
London, England, GBFull-timeAny (new grads ok)US citizenship/visa not required
LemonLime
Fully automated GTM for small business
-
Growth
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
AI Engineer
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
AI AgentsMultimodal AI
Locke
The AI-native firm for public influence.
-
Member of Technical Staff
San Francisco, CA, US / Washington, DC, USFull-timeAny (new grads ok)US citizen/visa only
-
Member of Policy Staff
Washington, DC, USFull-timeAny (new grads ok)US citizen/visa only
Luca IQ
API-first tax engine for CPA firms and developers
-
AI Engineer
Chicago, IL, US / Remote (US)Full-time3+ yearsUS citizen/visa only
PythonMachine learningLLMsFine-tuningEvalsAI Agents
-
Founding Tax Lead (CPA or EA Required)
Chicago, IL, US / Remote (US)Full-time6+ yearsUS citizen/visa only
Marble
The autonomous back-of-house for restaurants.
-
Founding Ops
New York, NY, USFull-time1+ yearsUS citizen/visa only
-
Founding Engineer
New York, NY, USFull-time1+ yearsUS citizen/visa only
Mochi
Watch and create anime
-
Founding Product Engineer
Los Angeles, CA, USFull-timeAny (new grads ok)US citizen/visa only
React NativeTypeScriptFigmaAI Agents
Molagri
Resistance free pesticides.
-
Scientist / Senior Scientist, Molecular Display and Binder Discovery
Toronto, ON, CAFull-time3+ yearsUS citizenship/visa not required
-
Sr. Research Associate, Yeast Expression and VLP Production
Toronto, ON, CAFull-time3+ yearsUS citizenship/visa not required
-
Scientist / Senior Scientist, Insect Biology and Bioassays
Toronto, ON, CAFull-time3+ yearsUS citizenship/visa not required
-
Scientist / Senior Scientist, Synthetic Virology for RNA Delivery
Toronto, ON, CAFull-time3+ yearsUS citizenship/visa not required
Neuromorphic
Building robots to automate wetlabs
-
Forward Deployed Engineer
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
PythonCAD Design
Nori
The most capable American-made humanoid robot for $1,688
-
Executive Assistant / Operations Coordinator
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Mechanical Engineer, Manufacturing & Rapid Prototyping
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Robot Assembly & Automation Technician
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Electrical Engineer
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
-
Social Media & Content Marketer
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Design Engineer
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
-
Applied AI Engineer, Agents & Robot Learning
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
-
LLM Researcher
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
-
VLM Researcher
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
-
Multimodal Engineer
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
-
Full-Stack Engineer
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
-
Data Operations Lead
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
Ooak Data
We turn company data into training data
-
Lead Counsel - Data Licensing & Privacy
Paris, IDF, FR / Paris, Île-de-France, FRFull-time6+ yearsUS citizenship/visa not required
-
Data Partnerships - Account Executive (EU)
Paris, IDF, FR / Paris, Île-de-France, FRFull-time3+ yearsUS citizenship/visa not required
-
Data Quality Specialist
Paris, IDF, FR / Paris, Île-de-France, FRFull-time6+ yearsUS citizenship/visa not required
-
Operations Manager - Data & AI
Paris, IDF, FR / Paris, Île-de-France, FRFull-time1+ yearsUS citizenship/visa not required
-
GTM Manager (US)
San Francisco, CA, USFull-time6+ yearsUS citizen/visa only
-
Account Executive - Data Partnerships (US)
San Francisco, CA, USFull-time6+ yearsUS citizen/visa only
-
Head of Engineering
Paris, IDF, FR / Paris, Île-de-France, FRFull-time11+ yearsUS citizenship/visa not required
-
1st Product Manager
Paris, IDF, FR / Paris, Île-de-France, FRFull-time6+ yearsUS citizenship/visa not required
-
Chief of staff
Paris, IDF, FR / Paris, Île-de-France, FRFull-time6+ yearsUS citizenship/visa not required
-
Founding Marketing Lead
Paris, IDF, FR / Paris, Île-de-France, FRFull-time6+ yearsUS citizenship/visa not required
-
Data engineer senior
Paris, IDF, FR / Paris, Île-de-France, FRFull-time3+ yearsUS citizenship/visa not required
-
Software Engineer Senior
Paris, IDF, FR / Paris, Île-de-France, FRFull-time6+ yearsUS citizenship/visa not required
-
ML engineer
Paris, IDF, FR / Paris, Île-de-France, FRFull-time6+ yearsUS citizenship/visa not required
Machine LearningReinforcement learning (RL)
Operon
Agentic data layer for manufacturing & process industries.
-
Founding FDE
San Francisco, CA, US / Remote (US)Full-timeAny (new grads ok)US citizen/visa only
OS3
Affordable, intelligent humanoid robots built to deploy at scale
-
Mechanical Design Engineer - Robot Parts & Enclosures (Contract)
San Francisco, CA, US / Remote (IN)ContractAny (new grads ok)US citizenship/visa not required
CAD Design
Pango
Agentic OS for e-commerce operations
-
Founding Engineer
Stockholm, Stockholm County, SEFull-time3+ yearsWill sponsor
Parasma
Replacing GPUs with human brain cells
-
Founding Scientist
San Francisco, CA, US / RemoteFull-time11+ yearsWill sponsor
Pennant
The World Model for Corporate Governance
-
Founding Engineer, Product
New York, NY, USFull-time3+ yearsUS citizen/visa only
Google CloudNode.jsPostgreSQLReactTypeScriptSQL
-
Founding Engineer, Data & AI
New York, NY, USFull-time3+ yearsUS citizen/visa only
GoGoogle CloudKubernetesNode.jsPostgreSQLPython
-
Founder Fellow - Applied AI
New York, NY, USInternshipUS citizen/visa only
Google CloudNode.jsPostgreSQLPythonTypeScriptSQL
Posted about 1 month ago
Apply ↗ -
Founder Fellow - GTM, Growth & Strategy
New York, NY, USInternshipUS citizen/visa only
Data AnalyticsFigmaEvalsAI AgentsAI SafetyGenerative AI
Posted about 1 month ago
Apply ↗
Pluto
LinkedIn for agents
-
Founding Engineer
San Francisco, CA, US / New York, NY, USFull-time1+ yearsUS citizen/visa only
JavaScriptPostgreSQLReactTypeScriptSQLNext.js
Prescience, Inc.
Superintelligent health insurance that keeps employees healthy
-
Founding GTM
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Founding Operations / Head of Operations
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Founding Engineer
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
ML Research Engineer
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
TypeScriptMachine LearningDeep LearningNext.js
PRINCEPS
AI-native insurance company for the compute economy
-
Founding Engineer
London, England, GBFull-time1+ yearsUS citizenship/visa not required
ProvenMetal
AI-native electronics manufacturing for the American industrial base
-
Founding Engineer
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
Rational
First Zero-human Accounting Firm
-
Applied AI
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Software Engineering Intern
San Francisco, CA, USInternshipUS citizen/visa only
-
Machine Learning Researcher
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Forward-Deployed Engineer
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
Rex
AI operations partner for enterprise order-to-cash
-
Finance Operator in Residence (Order-to-cash)
London, England, GBFull-time1+ yearsUS citizenship/visa not required
-
Founding AI Engineer (Enterprise Finance Operations)
London, England, GBFull-time1+ yearsUS citizenship/visa not required
screenpipe
Turn your company's computer work into AI agents.
-
Founding Engineer
San Francisco, CA, USFull-timeAny (new grads ok)US citizen/visa only
ReactRustTypeScript
-
Senior Product Manager
San Francisco, CA, USFull-time6+ yearsUS citizen/visa only
-
Forward Deployed Engineer (Enterprise)
San Francisco, CA, USFull-time6+ yearsUS citizen/visa only
ReactRustTypeScript
Stoa
The market behind AI hardware.
-
Marketing
San Francisco, CA, US / RemoteFull-timeAny (new grads ok)US citizenship/visa not required
Marketing design
-
Trader, Compute Markets
San Francisco, CA, US / RemoteFull-timeAny (new grads ok)US citizenship/visa not required
Data Analytics
-
Member of Technical Staff
San Francisco, CA, US / RemoteFull-timeAny (new grads ok)US citizenship/visa not required
PostgreSQLPythonTypeScriptSQLData Analytics
Sunflower
We are building an AI-native telemedicine clinic for addiction. 🌻
-
AI SEO Lead
Buenos Aires, Buenos Aires, AR / Remote (US)Full-time1+ yearsUS citizenship/visa not required
Search
Synapse Semiconductor
New semiconductors that merge compute and vision
-
Founding Engineer - RETINA
San Francisco, CA, US / Durham, NC, USFull-time1+ yearsUS citizen/visa only
VerilogVHDLComputer Vision
Tenor
Infrastructure for building and scaling AI-native businesses.
-
Founding Engineer, Agent and Data Systems
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
Distributed SystemsSoftware ArchitectureData WarehousingETLData ModelingLLMs
Torus
Legora for physical engineering firms
-
Member of Nontechnical Staff (GTM)
San Francisco, CA, USFull-time1+ yearsUS citizen/visa only
Marketing design
-
Physical Infrastructure Engineer (any discipline)
San Francisco, CA, USFull-time3+ yearsUS citizen/visa only
CAD DesignAI Agents
-
Electrical Engineer
San Francisco, CA, US / Houston, TX, USFull-time3+ yearsUS citizen/visa only
-
AI Engineer (interested in physical infrastructure)
San Francisco, CA, USFull-time1+ yearsUS citizen/visa only
PythonRustTypeScriptTorch/PyTorchMachine LearningCAD Design
TryNearby
Local creators for local businesses
-
Founding Creator & Community Lead
CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Founding Sales/Growth Lead
CA, USFull-timeAny (new grads ok)US citizen/visa only
-
Founding Operations Lead
CA, USFull-timeAny (new grads ok)US citizen/visa only
Tsenta
AI career agent that finds matching jobs & applies on your behalf
-
Founding Engineer
Bengaluru, KA, IN / Bengaluru, Karnataka, INFull-time3+ yearsUS citizenship/visa not required
Vernius Systems, Inc.
Mass-deployable radars for air defense
-
Radar PCB Engineer
San Francisco, CA, US / San Jose, CA, USFull-timeAny (new grads ok)US citizen/visa only
PCB designAltium
Waddle Labs
LLMs that control robots
-
Founding Research Engineer
San Francisco, CA, USFull-timeAny (new grads ok)Will sponsor
MLPythonTorch/PyTorchDistributed SystemsFine-tuningEvals
No roles match those filters.
The companies here are the ones on our Y Combinator tab that YC lists as hiring, plus every startup on /featured. A company that stops advertising drops off at its next daily check. We take no fee and have no part in hiring: each listing is the company's own, and the company is who you deal with.
Running a security startup and hiring? If you are a YC company, post the role on your YC profile and it will appear here within a day. Otherwise get in touch.