September 2021: Software Engineer jobs at Y Combinator startups

Many YC startups in 2021 are seeing breakout growth, and are actively hiring for software engineers. Find some of the top YC companies at Y Combinator. And create one application to apply to hundreds of roles at YC companies.

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Clipboard Health (W17) • Connects healthcare facilities with nurses nearby.(20 minutes ago)
(Frontend) Senior Software Engineer
fulltime
Remote / Remote
Frontend
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hotglue (S21) • Offer native user-facing SaaS integrations to your customers(about 9 hours ago)
Senior Full Stack Software Engineer
fulltime
Washington D.C. / Remote
Full Stack
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Prequel (W21) • Fully managed modern data stack(about 2 hours ago)
Senior Software Engineer
fulltime
New York City
Backend
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Seam (S20) • API for IoT Devices(about 6 hours ago)
Backend Software Engineer
fulltime
San Francisco / Remote
Backend
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FlutterFlow (W21) • Webflow for mobile(about 12 hours ago)
Founding Engineer
fulltime
Bay Area (San Mateo) / Remote
Full Stack
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Stable (W20) • A virtual address + mailroom for startups.(about 3 hours ago)
Software Engineer, Full Stack
fulltime
San Francisco or Remote / Remote
Full Stack
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Brevy (S20) • Enable anyone to report issues and feedback directly on your website(24 minutes ago)
Front-End Engineer
fulltime
Remote
Frontend
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Chums (W21) • The New Way To Shop.(about 2 hours ago)
Senior Fullstack Engineer @ Chums
fulltime
Remote
Full Stack
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Friz (W21) • Neobank for freelancers in South-east Asia and South Asia(about 4 hours ago)
Software Engineer
fulltime
Remote
Full Stack
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Axle Health (W21) • In-home Healthcare as a Service(1 day ago)
Founding Mobile Engineer
fulltime
Los Angeles, CA
iOS
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Kiwify (W21) • Create & sell online courses(about 18 hours ago)
Senior Backend Engineer
fulltime
Remote
Backend
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Jerry (S17) • A Super app for car owners to save money on car expenses.(about 3 hours ago)
Senior Software Engineer
fulltime
Remote Candidates are welcomed / Remote
Full Stack
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Gordian Software (W19) • APIs for selling airline add-ons such as seat selection and baggage. (about 7 hours ago)
Backend Engineer
fulltime
Bellevue, WA / Remote
Backend
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Algofi (S21) • Fast, low-cost crypto lending market on the Algorand blockchain(about 7 hours ago)
Software Engineer
fulltime
Brooklyn / Remote
Full Stack
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Snackpass (W18) • Order ahead at restaurants and get rewards with friends.(about 3 hours ago)
Full Stack Software Engineer
fulltime
Remote
Full Stack
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SigNoz (W21) • Open source alternative to DataDog (about 7 hours ago)
Founding Backend Engineer
fulltime
Bangalore, India / Remote
Backend
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Lumify (S21) • The super app for nurses(about 16 hours ago)
Founding Engineer
fulltime
San Francisco / Remote
iOS
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Pangea.app (W21) • Platform for hiring college freelancers(about 11 hours ago)
Backend Contractor
contract
United States / Remote
Backend
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Finary (W21) • Discord for Investing. (about 6 hours ago)
Full-Stack Engineer
fulltime
New York City
Full Stack
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Basis (S21) • Zapier for Data Science(about 3 hours ago)
Full-stack Developer
fulltime
San Francisco, CA / Remote
Full Stack
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Fig (S20) • Fig adds visual apps, shortcuts, and autocomplete to your terminal.(about 4 hours ago)
Typescript Engineer
fulltime
San Francisco / Remote / Remote
Full Stack
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Taskade (S19) • Where Remote Teams Get Work Done. Taskade is building a real-time…(about 8 hours ago)
Front-end Software Engineer
fulltime
San Francisco and Singapore / Remote
Frontend
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BlueCargo (S18) • BlueCargo builds software for trucking companies to optimize their…(about 11 hours ago)
Data Engineer
fulltime
Los Angeles
Backend
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H1 (W20) • Connecting stakeholders across the healthcare ecosystem.(1 day ago)
Senior Full Stack Engineer
fulltime
US Remote / Remote
Full Stack
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Argus (S21) • Unlocking the $5T of assets of employees with employer restrictions(about 2 hours ago)
Full-stack Senior Software Engineer
fulltime
Remote
Full Stack
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Catch (W19) • Benefits for independent workers.(about 12 hours ago)
Senior Software Engineer, Full Stack
fulltime
New York
Full Stack
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Gusto (W12) • Provides small businesses with everything to take care of their teams.(2 days ago)
Senior Engineering Manager, Shared Experiences/Growth
fulltime
USA, Canada / Remote
Engineering Manager
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Welcome (W20) • Create jaw dropping virtual events(1 day ago)
Software Engineer, Product
fulltime
Your Home Office / Remote
Full Stack
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Reframe (S21) • App to help people quit or cut back on alcohol use(about 13 hours ago)
Full Stack Engineer (IOS, Web)
fulltime
Atlanta, GA / Remote
iOS
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JITX (S18) • Automatic circuit board design.(1 day ago)
Algorithmic Design Engineer
fulltime
Berkeley, Ca (or Bay Area)
Machine Learning
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DreamWorld (W21) • the game where everyone creates together.(15 minutes ago)
Software Engineer / Game Developer
fulltime
San Francisco Bay Area
Full Stack
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Acho (W20) • A GUI for data engineering tasks(about 18 hours ago)
Senior Full-Stack Developer (Front-end focused)
fulltime
Boston, MA / Remote
Frontend
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Truepill (S17) • API-connected healthcare infrastructure.(about 18 hours ago)
Staff Software Engineer - Front End
fulltime
Remote / Remote
Full Stack
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Meticulous (S21) • Software to catch bugs in web apps with zero-effort from developers.(about 16 hours ago)
#1 Founding Engineer
fulltime
London / Remote
Full Stack
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Haven (W20) • Homeownership reimagined for the 21st century.(about 1 hour ago)
Frontend Engineer
fulltime
Remote
Frontend
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Juni (W18) • A learning platform helping every student achieve their best future. (about 7 hours ago)
Software Engineer
fulltime
San Francisco, CA
Full Stack
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Ashby (W19) • All-in-one recruiting software(1 day ago)
Solutions Engineer
fulltime
San Francisco Or Remote / Remote
Full Stack
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Secoda (S21) • Universal data search for every data driven company(about 8 hours ago)
Software Engineer
fulltime
Remote
Full Stack
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Tara AI (W15) • The smart and free Jira alternative(1 day ago)
Senior Front-End Engineer
fulltime
Remote
Frontend
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ClearMix (S20) • On-Demand, Fully-Remote Marketing and Sales Video Production Platform(about 7 hours ago)
Full-Stack Engineer
fulltime
New York City Hub / Remote
Full Stack
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Keeper Tax (W19) • TurboTax for gig workers(about 17 hours ago)
Full Stack Engineer
fulltime
San Francisco, CA
Full Stack
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Benchling (S12) • Collaboration and data management platform for life science research.(about 11 hours ago)
Data Infrastructure Engineer
fulltime
San Francisco, CA, USA
Backend
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Cortex (W20) • Understand and improve your services(about 12 hours ago)
Founding Engineer
fulltime
SF / Remote
Full Stack
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Koko (S17) • Koko enables older adults to live independently in their own homes…(about 12 hours ago)
Perception Engineer
fulltime
Palo Alto, CA
Machine Learning
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Fivetran (W13) • Automated data integration delivering ready-to-use connectors.(about 17 hours ago)
Senior Software Engineer
fulltime
Oakland, CA
Backend
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LineLeap (S19) • LineLeap is the OpenTable for bars and nightclubs, selling line-skip…(38 minutes ago)
Flutter Engineer
fulltime
New York
Frontend
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HEO Robotics (S21) • We visually monitor space objects for governments and defense(about 2 hours ago)
Senior Web Developer
fulltime
Sydney, Australia / Remote
Full Stack
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AtoB (S20) • Transportation Payments(about 4 hours ago)
Data Scientist
fulltime
San Francisco / Remote
Full Stack
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Hatchways (S19) • We find overlooked engineers for startups through simulated work.(about 7 hours ago)
Senior Full-stack Engineer
fulltime
Toronto / Remote
Full Stack
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Poll Everywhere (S08) • Interactive meetings and presentations(about 14 hours ago)
Business Engineer
fulltime
United States / Remote
Full Stack
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