Software Engineer jobs at Y Combinator startups

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SnapMagic (S15) AI copilot for electronics design(8 days ago)
Director of Software & Product

fulltimeRedwood City, CA, US / Remote (Redwood City, CA, US)Engineering manager

Tenjin (S14) Mobile marketing analytics and infrastructure
Senior Full-Stack Ruby on Rails Engineer

fulltimeUS / CA / MX / BR / AR / CO / PE / Remote (US; CA; MX; BR; AR; CO; PE)Full stack

Tenjin (S14) Mobile marketing analytics and infrastructure
Senior Mobile SDK Engineer

fulltimeSan Francisco / Remote (US; CA; MX; CO; AR; BR; PE)Full stack

Noora Health (W14) Training patients and their families with health skills(22 days ago)
Senior Data Analyst

fulltimeBengaluru, KA, IN / Bengaluru, Karnataka, INData science

Noora Health (W14) Training patients and their families with health skills
Product Development Engineer (Frontend)

fulltimeBengaluru, KA, IN / Bengaluru, Karnataka, INFrontend

Oximy (W26) The system of record for enterprise AI usage.(13 days ago)
Founding Full Stack Engineer

fulltimeSan Francisco, CA, USFull stack

Clicks (F25) Computer use agents to automate all back-office work(12 days ago)
Software Engineer

fulltimeZürich, ZH, CHFull stack

Lightberry (F25) The social brain for robots.(5 days ago)
Software Engineer, Voice AI

fulltimeSan Francisco, CA, USFull stack

Lightberry (F25) The social brain for robots.(about 13 hours ago)
Robotics Engineer

fulltimeSan Francisco, CA, USRobotics

Icarus (F25) Stratospheric birds for defense(23 days ago)
Senior Mechanical Engineer

fulltimeLos Angeles, CA, USMechanical

Icarus (F25) Stratospheric birds for defense(23 days ago)
Senior Embedded Software Engineer

fulltimeLos Angeles, CA, USEmbedded systems

Leadbay (F25) Discover and qualify SMB leads that couldn't be found before.(2 months ago)
Engineering Intern

internParis, IDF, FR / Paris, Île-de-France, FR / San Francisco, CA, USFull stack

Leadbay (F25) Discover and qualify SMB leads that couldn't be found before.
Frontend Engineer

fulltimeParis, IDF, FR / Paris, Île-de-France, FR / San Francisco, CA, USFrontend

Hypercubic (F25) AI to maintain and modernize COBOL.(5 days ago)
Founding Software Engineer

fulltimeSan Francisco, CA, USFull stack

Idler (S25) Reinforcement learning environments.
Staff Software Engineer

fulltimeSan FranciscoFull stack

Idler (S25) Reinforcement learning environments.
Software Engineer

fulltimeSan FranciscoFull stack

Floot (S25) The easiest way for non-coders to build apps with AI.(14 days ago)
Founding Full-Stack Engineer

fulltimeSan Francisco, CA, USFull stack

Socratix AI (S25) AI coworkers for fraud and risk teams.
Software Engineering Intern

internMountain View, CA, USFull stack

Socratix AI (S25) AI coworkers for fraud and risk teams.(14 days ago)
Founding Backend Engineer

fulltimeMountain View, CA, USBackend

Manufact (formerly mcp-use) (S25) Open source SDK & cloud infrastructure for MCP Servers & ChatGPT Apps (21 days ago)
Software Engineer (Founding Team)

fulltimeZürich, ZH, CH / Zürich, Zurich, CH / San Francisco, CA, USFull stack

Manufact (formerly mcp-use) (S25) Open source SDK & cloud infrastructure for MCP Servers & ChatGPT Apps (21 days ago)
Cloud Engineer (Infra / DevOps)

fulltimeSan Francisco, CA, US / Zürich, Zurich, CHDevops

Channel3 (S25) Database of every product on the internet(10 days ago)
Fullstack Engineer

fulltimeNew York, NY, USFull stack

Channel3 (S25) Database of every product on the internet(9 days ago)
Backend Engineer

fulltimeNew York, NY, USBackend

Pangolin (S25) Identity-aware VPN and proxy for remote access to anything, anywhere.(about 1 hour ago)
Founding Engineer Full Stack

fulltimeSan Francisco, CA, US / Remote (US)Full stack

EffiGov (S25) The AI OS for Cities(4 days ago)
Founding Engineer

fulltimeSan Francisco, CA, USFull stack

EffiGov (S25) The AI OS for Cities(about 2 months ago)
Forward Deployed Engineer

fulltimeSan Francisco, CA, USFull stack

Verne Robotics (S25) AI models that teach robots new skills in hours(10 days ago)
Robotics Data Infrastructure Engineer

fulltimeSan Francisco, CA, USBackend

truthsystems (S25) Automatically blocking risky behavior with real-time governance agents(3 months ago)
Founding Full-Stack Engineer

fulltimeSan Francisco, CA, USFull stack

Parametric (F25) Robots for frontline physical labor — starting with laundry(28 days ago)
Software Engineer, Data Engine

fulltimeSan Francisco, CA, USData science

Parametric (F25) Robots for frontline physical labor — starting with laundry
Software Engineer, Systems

fulltimeSan Francisco, CA, USEmbedded systems


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