Founding team jobs at startups

Hiring now: SpaceX, Speechify, CoreWeave, Braze, Zin Technologies, Inc., Varda and 2135 more

• Senior Software Engineer, Backend (Platform) AIOptimal DynamicsRemoteSeniorOptimal Dynamics' AI solution provides real answers by using dynamic forecasting models to simulate downstream impacts with confidence. Backed by Bessemer.Posted Sep 4
• Senior Financial Analyst AIOutreachSeattle, WAHybridSeniorOutreach is the Agentic AI platform for revenue teams — forecast, coach, close deals, and expand accounts. See it in action. Request a demo. Backed by Techstars and Sapphire.$110K to $125KPosted Sep 4
• Principal Payments EngineerPayabliRemotePrincipal and upPayabli delivers payment infrastructure through a single unified API, enabling software platforms to embed, manage, and scale payments. Backed by QED Investors.Posted Sep 4
• Staff Machine Learning Engineer AIPayabliRemoteSeniorPayabli delivers payment infrastructure through a single unified API, enabling software platforms to embed, manage, and scale payments. Backed by QED Investors.Posted Sep 4
• Director of Go-to-Market EngineeringPerkChicagoOn-sitePrincipal and upPerk offers the freedom travelers want, and the control companies need. Enjoy an industry-leading travel inventory, 24/7 support and easy booking. Backed by General Catalyst and SoftBank VF.$190K to $240KPosted Sep 4
• Director of Go-to-Market EngineeringPerkBostonOn-sitePrincipal and upPerk offers the freedom travelers want, and the control companies need. Enjoy an industry-leading travel inventory, 24/7 support and easy booking. Backed by General Catalyst and SoftBank VF.$190K to $240KPosted Sep 4
• Senior Marketing ManagerPhilRemoteSeniorPhil offers a technology-driven platform that simplifies medication access for retail and specialty-lite brands. Its solutions aim to improve patient outcomes and drive commercial success by streamlining the script journey. Backed by Eniac Ventures.$120K to $140KPosted Sep 4
• Staff Product Manager, CreditPlaidNew York City OfficeSeniorBacked by Index, Kleiner Perkins and NEA.$208K to $307KPosted Sep 4
• Web Platform Lead EngineerPolymarketNew YorkOn-siteSeniorPolymarket is the world’s largest prediction market, allowing you to stay informed and profit from your knowledge by trading on future events across various topics. Backed by General Catalyst and Founders Fund.$250K to $500KPosted Sep 4
• Software EngineerPolymerLeland HQ - Lehi, UTOn-siteMid levelPolymer is a job board and tracking software dashboard to manage applicants. Backed by MedTech Innovator.Posted Sep 4
• Staff Product DesignerPoshNew York CityOn-siteSeniorPOSH develops data-center projects combining existing electrical infrastructure, on-site generation, storage, and intelligent energy control for AI load growth. Backed by Y Combinator.$250K to $280KPosted Sep 4
• Vice President, Revenue & Business OperationsPrediction HealthRemotePrincipal and upPredictionHealth automates the documentation and brings machine learning into daily clinical practice. It is powered by AI that allows the user to scribe and convert their conversations with patients into notes. Prediction Health Inc. Backed by LaunchTN.$250K to $300KPosted Sep 4
• Spring/Summer 2027 Engineering InternPrimerSan FranciscoOn-siteInternshipPrimer makes powerful mission-ready AI software designed to work in your environment, on your data. We help national security teams sift through massive unstructured data sets to find the needle in the haystack, understand and visualize their data, and act... Backed by Accel, Peak XV and ICONIQ.Posted Sep 4
• Account ExecutiveQualifyzeJersey City, New Jersey, United StatesOn-siteMid levelAI-powered Supplier Risk Management for Pharma — continuous monitoring, global audit management & the largest GxP audit report library. Backed by Insight.Posted Sep 4
• Senior FPGA Engineer, VerificationRadiantEl Segundo, CAOn-siteSeniorRadiant builds Kaleidos, a portable, factory-built nuclear microreactor that delivers a megawatt of clean power anywhere it is needed. Backed by a16z, Felicis and USV.$158K to $219KPosted Sep 4
• Senior Technical Program Manager, Security & ITRadiantEl Segundo, CAOn-siteSeniorRadiant builds Kaleidos, a portable, factory-built nuclear microreactor that delivers a megawatt of clean power anywhere it is needed. Backed by a16z, Felicis and USV.$134K to $190KPosted Sep 4
• Director of Business Development & Strategy, Branded PaymentsRainNew York, NYOn-sitePrincipal and upExplore Rain’s enterprise payments infrastructure for stablecoin-powered cards and global money movement. Fast settlement, scalable API, and trusted performance. Backed by Lightspeed, ICONIQ and Sapphire.$210K to $250KPosted Sep 4
• Staff Software Engineer, Developer EcosystemRedditRemote - United StatesSeniorBacked by 500 Global.Posted Sep 4
• Manufacturing Equipment EngineerRedwood MaterialsMcCarran, NVOn-siteMid levelRedwood Materials is building the U.S. stockpile of critical materials and deploying large-scale energy storage systems that power data centers and the nation’s grid.Posted Sep 4
• Staff Cathode EngineerRedwood MaterialsMcCarran, NVOn-siteSeniorRedwood Materials is building the U.S. stockpile of critical materials and deploying large-scale energy storage systems that power data centers and the nation’s grid.Posted Sep 4