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17,706 Y Combinator jobs

Open roles at Y Combinator–backed companies, from current batches to graduated unicorns.

17.7K jobs
Airbnb Backed by Y CombinatorBacked by a16zBacked by SequoiaBacked by GreylockBacked by Founders Fund
10 views 2 days ago

Senior Software Engineer, Tech Foundations

Open 43d RemoteNorth AmericaSenior Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Staff engineer on Airbnb's Data Warehouse Infrastructure team, designing and operating the big-data compute platform (Hadoop, Spark, Trino, Iceberg, Airflow) that hundreds of engineers use for ETL, analytics, and machine learning. Focus on reliability, performance, cost efficiency, and open-source contributions.

Airflow Analytics Big Data Data Warehousing Distributed Systems +10 skills
212K – 265K $
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Pronto Backed by Y Combinator
10 views 2 days ago

Senior Embedded Firmware Engineer

Open 129d North AmericaFull-timeSenior
United States

Develop and debug bare-metal firmware for autonomous haulage systems in mining and construction, integrating with vehicle hardware and CAN protocols.

AI Embedded Systems Ethernet Firmware I2c +1 skills
182K – 230K $
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Pronto Backed by Y Combinator
8 views 2 days ago

Robotics Planning Engineer

Open 129d North AmericaInternshipIntern
United States

Who we are Pronto AI is a global leader in commercializing autonomous vehicle (AV) technology, deploying Autonomous Haulage Systems (AHS) that automate operations in mines, quarries, and construction sites worldwide.…

AI C++ Machine Learning NumPy Python +3 skills
182K – 230K $
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Pronto Backed by Y Combinator
8 views 2 days ago

Robotics Support Engineer

Open 129d North AmericaInternshipIntern
United States

Who we are Pronto AI is a global leader in commercializing autonomous vehicle (AV) technology, deploying Autonomous Haulage Systems (AHS) that automate operations in mines, quarries, and construction sites worldwide.…

AI C++ Linux Machine Learning Networking +2 skills
114K – 144K $
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Pronto Backed by Y Combinator
6 views 2 days ago

Engenheiro de Robótica

Open 129d LATAM
Brazil

Quem Somos A Pronto AI é líder global na comercialização de tecnologia para veículos autônomos (AV), implementando Sistemas Autônomos de Transporte (Autonomous Haulage Systems - AHS) que automatizam operações em minas,…

AI C++ Firmware Git Linux +3 skills
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Pronto Backed by Y Combinator
11 views 2 days ago

Senior Robotics Planning Engineer

Open 109d North AmericaInternshipSenior
United States

Who we are Pronto AI is a global leader in commercializing autonomous vehicle (AV) technology, deploying Autonomous Haulage Systems (AHS) that automate operations in mines, quarries, and construction sites worldwide.…

AI C++ Machine Learning NumPy Python +3 skills
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Pronto Backed by Y Combinator
6 views 2 days ago

AHS Operations Senior Associate

Open 85d RemoteEuropeSenior
Finland

Who we are Pronto AI is a global leader in commercializing autonomous vehicle (AV) technology, deploying Autonomous Haulage Systems (AHS) that automate operations in mines, quarries, and construction sites worldwide.…
Pronto Backed by Y Combinator
4 views 2 days ago

Field Service Technician

Open 87d North AmericaFull-time
United States

On-site technician installs, maintains, and repairs autonomous haulage systems for mines and construction sites, including sensors, drive-by-wire kits, and vehicle interfaces.

58K – 73K $
Pronto Backed by Y Combinator
4 views 2 days ago

Senior Mining Engineer

Open 82d On-siteNorth AmericaFull-timeSenior
United States

Who we are Pronto AI is a global leader in commercializing autonomous vehicle (AV) technology, deploying Autonomous Haulage Systems (AHS) that automate operations in mines, quarries, and construction sites worldwide.…
Pronto Backed by Y Combinator
8 views 2 days ago

Software Engineer - Networking

Open 54d North AmericaFull-time
United States

Software Engineer at Pronto AI in San Francisco (onsite, 5 days/week) building and optimizing the network layer of autonomous haulage systems used in mines, quarries, and construction sites. Day-to-day involves tuning communication protocols, stress-testing RF/wifi/cellular networks, and building tooling to diagnose and visualize vehicle network performance using Python, C++, and Linux.

AI C++ Git Linux Networking +2 skills
182K – 230K $
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Lob Backed by Y Combinator
3 views 2 days ago

Business Operations Manager

Open 43d North AmericaFull-time
United States

Lob was founded in 2013 by technical co-founders with a vision to connect the world one mailbox at a time. Today, we're transforming the way businesses use direct mail and bringing the power of technology to a…

AI Analytics Data Warehousing Go-to-Market Program Management +2 skills
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Stripe Backed by Y CombinatorBacked by a16zBacked by SequoiaBacked by Union Square VenturesBacked by LightspeedBacked by Founders Fund
24 views 2 days ago

Software Engineer, Revenue and Financial Automation

Open 53d RemoteNorth America Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.
United States

Backend software engineer on Stripe's Billing Platform (Revenue and Financial Automation org), designing and shipping large-scale distributed services for subscription management, usage-based billing, and revenue tools. Work spans Go/Java/C++-style backend development, debugging production systems, and mentoring engineers.

Automation C++ Distributed Systems Event Driven Architecture Financial Reporting +3 skills
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General Proximity Backed by Y Combinator
5 views 2 days ago

Lab Operations Manager

Open 18d On-siteNorth AmericaFull-time
United States

tl;dr General Proximity is a seed-stage startup developing the next generation of induced proximity medicines (IPMs). Our OmniTAC drug discovery engine furnishes molecules that co-opt existing cellular machinery to…

Automation LIMS Python Vendor Management
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Stripe Backed by Y CombinatorBacked by a16zBacked by SequoiaBacked by Union Square VenturesBacked by LightspeedBacked by Founders Fund
6 views 2 days ago

Technical Account Manager

Open 135d North America Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.
United States

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow…

AI API ETL Postman Python +4 skills
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Grey Backed by Y Combinator
2 views 2 days ago

Vice President, New Business (Health)

Open 40d North AmericaC-level
United States

Grey’s mission is to create Famously Effective ideas that move people, businesses, and the world forward, harnessing the power of creativity to solve business challenges and drive growth for some of the world’s most…

Agentic AI AI Business Development Generative AI Regulatory Compliance +1 skills
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Dropbox Backed by Y CombinatorBacked by SequoiaBacked by AccelBacked by Greylock
12 views 2 days ago

Senior Corporate Enterprise Platform Engineer, Windows

NewBe an early applicant RemoteNorth AmericaSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Senior engineer on Dropbox's CorpFleet team who owns the Windows endpoint platform: making patching, app delivery, provisioning, and fleet health reliable via Intune, and adopting automation, FleetDM, osquery, and GitOps/IaC practices. Core stack is Windows, Intune/Entra ID, PowerShell, and another language like Python, Go, or C#.

AI API Automation CI/CD C# +13 skills
141K – 215K $
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EquipmentShare Backed by Y Combinator
7 views 2 days ago

Maintenance Manager

Open 24d On-siteNorth AmericaFull-time
United States

Build the Future with Us — EquipmentShare is Hiring a Maintenance Manager (Advanced Solutions) At EquipmentShare, we’re not just filling a role — we’re assembling the best team on the planet to build something that’s…

Haskell
DoorDash Backed by Y CombinatorBacked by SequoiaBacked by SoftBank Vision Fund
5 views 2 days ago

Strategic Account Development Executive - Marketplace

Open 128d HybridNorth America
United States

About the Team On the Outside Account Development team, we expand on existing DoorDash partnerships while identifying opportunities for further engagement, growth, and performance on our platform. We learn more about…

Pipeline Management
94K – 138K $
Mattermost Backed by Y Combinator
4 views 2 days ago

Account Executive - Federal (US ARMY)

Open 37d RemoteNorth AmericaContract
United States

Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in…

Account Executive Automation Cybersecurity DevSecOps Dfars +4 skills
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Nourish Backed by Y CombinatorBacked by Index Ventures
2 days ago

Director of Strategy & Operations

Open 66d North AmericaFull-time
United States

About Us Health is the most important thing in life, and the American healthcare system is completely broken - poor outcomes, high cost, bad patient experience. We're building a new system from the ground up. Our…

Agentic AI AI SQL
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