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17,979 Y Combinator jobs

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

18K jobs
Dock Backed by Y Combinator
9 views 7 days ago

Software engineering senior

New RemoteLATAMSenior
Brazil

Senior software engineer on Dock's Pix team in Barueri, Brazil (hybrid, ~40% on-site), building and maintaining high-performance, low-latency APIs for Brazil's instant payment system at massive scale, with mentoring, observability, and 24/7 resilience. Stack includes Java/Node/Go, Kafka, PostgreSQL/Redis/DynamoDB, and AWS with Docker/Kubernetes.

API AWS Azure CI/CD DevOps +13 skills
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Muzz Backed by Y Combinator
11 views 7 days ago

Android Engineer (Kotlin) - Global-Scale Mobile Apps

New UK 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.
United Kingdom

Muzz is hiring an Android engineer to join its in-house team in London (hybrid, in-office Tue-Thu), building consumer mobile apps used by millions worldwide. You'll work across features in Kotlin, iterating designs quickly in a fast-paced startup environment.

Android Kotlin
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Airbnb Backed by Y CombinatorBacked by a16zBacked by SequoiaBacked by GreylockBacked by Founders Fund
6 views 7 days ago

Senior Software Engineer, Storage

Open 41d North 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

Senior engineer on Airbnb's Transactional Storage Services team building and operating the company's NewSQL database on Kubernetes, which serves critical user, listing, and financial data. Roles span Database Kernel work (storage engines, query execution, consensus, CDC) and Database Adoption (replication, failover, migration tooling).

Kubernetes Root Cause Analysis SQL
196K – 230K $
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Airbnb Backed by Y CombinatorBacked by a16zBacked by SequoiaBacked by GreylockBacked by Founders Fund
22 views 7 days ago

Staff Software Engineer, Streaming Infrastructure

Likely evergreen RemoteNorth AmericaContractStaff 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

Designs and scales Airbnb’s low-latency distributed key-value stores and data ingestion pipelines, mentoring engineers while ensuring 99.9%+ availability for millions of queries per second.

API Avro Distributed Systems Event Driven Architecture Flink +5 skills
204K – 255K $
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Airbnb Backed by Y CombinatorBacked by a16zBacked by SequoiaBacked by GreylockBacked by Founders Fund
4 views 7 days ago

Senior Software Engineer, Streaming Infrastructure

Open 6d North 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

Senior engineer on Airbnb's Data Infrastructure Ingestion team, building and operating large-scale platforms that move data from online databases for offline processing: SpinalTap (near real-time CDC streaming to Kafka) and DBExports (batch snapshots/exports). Core tech: Kafka, CDC/binlogs/Debezium, MySQL/Aurora, distributed systems.

Aurora Data Ingestion Debezium Distributed Systems Financial Reporting +3 skills
196K – 230K $
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Coinbase Backed by Y CombinatorBacked by a16zBacked by GreylockBacked by Union Square Ventures
21 views 7 days ago

Software Engineer Intern

Open 47d HybridNorth AmericaInternshipIntern 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

A 12-week summer 2027 software engineering internship at Coinbase, a crypto exchange. Interns pick a team (Product groups in San Francisco, Core teams in New York City), work hybrid, own a project end-to-end, and ship production code across crypto, blockchain, and platform systems.

AI API Automation Blockchain Ethereum +3 skills
60 – 60 $ / hr
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Rivet Backed by Y Combinator
7 views 7 days ago

GIS Software Quality Assurance Engineer

New RemoteNorth America
United States

Overview Job Title: GIS Software Quality Assurance Engineer Location: Remote Rivet Operations Company is seeking an experienced Senior GIS Software QA Engineer to support a U.S. Army program focused on improving the…

API ArcGIS Automation Data Quality ETL +10 skills
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Westgate Backed by Y Combinator
3 views 7 days ago

Member of Technical Staff

New On-siteNorth America
United States

If you want to build B2B SaaS, click the back arrow in the top left. Westgate Supply is an AI-native industrial distributor. Our agents sell the pipes, valves, and fittings that go into American data centers, fabs and…

AI Backbone.js LLM SaaS
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Avoca Backed by Y Combinator
2 views 7 days ago

Sales Development Representative

Open 6d On-siteAPACFull-time
Australia

About Avoca Avoca is transforming how home service companies engage with their customers. Our AI-powered conversational agents handle every high-value inbound call, from booking jobs, qualifying leads, and driving…

AI CRM Go-to-Market SaaS SQL
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Avoca Backed by Y Combinator
2 views 7 days ago

Account Executive

New On-siteAPACFull-time
Australia

About Avoca Avoca is transforming how home service companies engage with their customers. Our AI-powered conversational agents handle every high-value inbound call, from booking jobs, qualifying leads, and driving…

Account Executive Go-to-Market Pipeline Management
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People.ai Backed by Y CombinatorBacked by Lightspeed
2 views last week

Director, Customer Success

New RemoteNorth America 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

About Backstory Backstory (formerly People.ai) is the leading AI answers platform for sales teams. With more than a decade of training AI models on billions of sales interactions, Backstory enables modern sales teams…

Agentic AI AI Analytics Cybersecurity Gainsight +6 skills
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Alpaca Backed by Y Combinator
21 views last week

Project Manager

Open 68d RemoteAPAC

Coordinates global enterprise API integrations for Alpaca’s brokerage platform, bridging technical teams with clients to deliver onboarding, compliance, and feature rollouts for fintech/crypto partners.

API Confluence Fintech Jira Metabase +4 skills
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Heart Aerospace Backed by Y Combinator
5 views last week

IT Manager

New North America
United States

At Heart Aerospace we develop the ES-30, a regional hybrid-electric airplane with a capacity of 30 passengers, an electric zero-emission range of 200 km and an extended hybrid range of 400 km. Heart is targeting type…

AWS Azure Cloud Firewall GCP +10 skills
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CORA Backed by Y Combinator
last week

Licensed Clinical Supervisor

New On-siteNorth AmericaPart-time
United States

Clinical Supervisor Position Description Status : Part-Time, 30 hours per week Reports To: Manager of Mental Health Services Schedule of Hours: Monday – Friday, 9-5 pm Possible Percentage of Work from Home: A minimum…

Corrective Action Risk Assessment
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CORA Backed by Y Combinator
last week

Director Of Development

New On-siteNorth AmericaC-level
United States

DIRECTOR OF DEVELOPMENT AND MAJOR GIFTS Status : FT Exempt Reports To: Chief Executive Officer Schedule of Hours: Monday – Friday, 9-5 with occasional evenings and weekends Possible Percentage of Work from Home: 50% or…
Pump.co Backed by Y Combinator
6 views last week

Technical Product Manager

New North America
United States

About the Role We’re hiring a Product Manager to help decide what Pump builds next as we grow from cloud savings into AI cost optimization. You’ll own key parts of our platform, from savings and billing visibility…

AI Analytics API AWS Azure +7 skills
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Honeydew Backed by Y Combinator
21 views last week

Senior Software Engineer - Platform

New RemoteNorth AmericaFull-timeSenior
United States

Platform engineer strengthening the foundation other teams build on: migrating data to RDS, tightening security and compliance across a multi-account AWS org, and building tooling (including AI-agent-driven fixes) so feature teams ship faster. Core stack: TypeScript/Python, AWS, Terraform/IaC, PostgreSQL, CI/CD.

Agentic AI AI Amplitude Analytics Anthropic +49 skills
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Honeydew Backed by Y Combinator
17 views last week

Senior Software Engineer - Data

New RemoteNorth AmericaFull-timeSenior
United States

Data-focused senior engineer at Honeydew, a dermatology/telehealth platform, who owns the data layer: designing data models, running migrations, building trusted pipelines, and tightening PHI/PII security in a HIPAA environment. Core tech: SQL, TypeScript/Python, PostgreSQL, AWS, Databricks, dbt.

Agentic AI AI Amplitude Analytics Anthropic +49 skills
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Casca Backed by Y Combinator
13 views last week

Forward Deployed Engineer

Open 128d On-siteNorth AmericaFull-time
United States

A Forward Deployed Engineer at Casca embeds with bank customers on-site to learn their lending and operations workflows, then spends roughly 70% of their time building and shipping AI-powered software on Casca's platform to automate those manual processes. Stack includes React, TypeScript, Next.js, Python, and AI frameworks like LangChain and Vercel AI-SDK.

AI Fintech LangChain Next.js Python +3 skills
160K – 265K $
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Astranis Backed by Y CombinatorBacked by a16z
3 views last week

National Security Capacity Sales Manager

New North AmericaFull-time
United States

Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe –…

Business Development Program Management TypeScript
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