Founding Engineer Jobs in the United States

About Eventual Eventual is a well-funded AI fintech startup on a mission to improve housing affordability for hundreds of millions of Americans. We use AI and proprietary data to build (i) software and (ii) novel embedded financial products to bring better predictability to…

At Falconer, we’re transforming how engineers create, access, and share knowledge with each other and their AI agents. We’re looking for a Founding Backend Engineer to help us build an AI-powered knowledge platform that companies love. As a founding engineer, you'll have a major…

About Equi Equi is an investment management firm building institutional-quality alternative investment solutions. We operate a unique business model: in addition to offering Equi-branded funds, we build white-label fund-of-funds products for some of the top independent…

👋 Hi, I’m Nik. I’m looking for a world-class founding engineer to build Omi with me. Omi is AI for your real life. Think: wearable memory, voice-first interface, the reverse iPhone. In the past 10 months, we’ve: Grown to 300K software users Hit 100M+ organic video views Built 3…

🚀 Founding Engineer, Thera (NYC) Thera is building the financial OS for modern SMBs. Payroll, payments, treasury, spend, and accounting in one ecosystem that actually works end-to-end. We're looking for our first NYC-based Founding Engineer to help scale the systems powering…

The Role Constellation builds ConstellationOS, an intelligence and forecasting layer for satellite and ground-network operations. We are looking for a Founding Engineer to build the platform and ship the models that run on it. You will work directly with the founders and own…

Valius overview At Valius, we believe that the future of cancer care will be defined by “maximalist” diagnostics: deep, comprehensive assessments of DNA, RNA, and protein designed to give patients and their care teams the best possible understanding of how their tumor works and…

About Cluely Cluely is building AI to give you an unfair advantage in every situation. It acts as a desktop assistant that takes in screen, mic, and audio context to give you information and suggestions that existing model providers cannot, due to a lack of context. We will win…

The gap no one has filled Every complex system in America has a profession whose job it is to be your trusted guide. You have a lawyer for legal. An accountant for taxes. A financial advisor for your money. Healthcare, a trillion-dollar industry that's arguably the most complex…

Founding Engineer – Baton AI Location: San Francisco, CA (In-Person) Experience Level: 3+ years (Full-Stack Engineering) About Baton AI Baton AI ( getbaton.ai ) is building the enterprise automation platform for cross-application workflows. We’re starting by helping solutions…

About Abacus Abacus is reinventing how accounting firms operate by building AI agents that automate the tedious, repetitive workflows that teams currently face. Our core engine combines advanced OCR and LLMs to deliver truly intelligent back-office automation. We're already…

Founding Engineer Location: Bangalore [ WeWork Embassy Tech Village ] (No Remote/Hybrid please) ABOUT OODLE Oodle’s mission is to build an iconic observability company! Oodle enables developer and SRE teams to handle 10x more data at a tenth of the price. Oodle is disrupting…

About Us We are a well-funded SF Bay Area startup backed by tier-1 investors. We’re a small, cracked team in stealth, building an agentic platform for the hardest, least glamorous, but most valuable, software problems inside the Global 2000. Think decades-old business logic,…

Elo is the ad-network for consumer AI applications. We’ve gone from 0 to XXM users in our publisher network in 45 days of inception. Background With AI becoming the primary surface of interaction for internet users, it is inevitable that digital advertising will happen within AI…

The Opportunity Companies have spent billions on AI tools and tokens. Almost none of them can prove it’s working. 95% of organizations report zero measurable return from their AI investments. Not because the tools are bad, but because nobody redesigned the workflows, coached the…