Founding Engineer

About Ezra Ezra is building the AI-powered recruiter of the future. Our voice-based platform conducts natural, personalized interviews at scale—so hiring teams can quickly surface the best candidates, without spending hours on phone screens. The product is live, early customers are using it, and we're backed by Andreessen Horowitz (a16z Speedrun), NEA,...

Founding Software EngineerAbout the RoleA fast-growing AI startup is seeking aversatile backend or full-stack engineerto joinin person at the San Francisco officeas aFounding Engineer. This is an opportunity to work oncutting-edge voice AI systemsand help shape a company tackling a massive market.You'll develop and deployLLM and voice technologies, build...

About UsBlueberry is building the 1:1 marketer for the world's most ambitious brands. The way brands engage with customers is fundamentally shifting. In the early days, founders reply to every comment, DM every follower, and know customers by name. But as audiences grow into the hundreds of thousands or millions, that intimacy breaks. Even with social...

Company OverviewInfinite is a stablecoin payment processor. We offer businesses turnkey APIs and SDKs to instantly move money anywhere in the world at a fraction of the cost of traditional solutions. The founding team previously built and scaled products at financial services category leaders Coinbase and Sardine.The opportunityAs ourFounding Engineer, you...

Founding Engineer – Build the Future of AI-Powered Supply ChainsSan Francisco, CA (on-site)$160K–$225K + 1–2% equity2–5 years experienceNo visa sponsorship availableAbout The RoleWe're looking forobsessive, fast-moving buildersto join as founding engineers and help take our product from early traction to full enterprise scale — from pilot customers...

Founding Engineer – AI & Cyber DefenseThe CompanyA $5M-backed team of ex-OpenAI and serial deep-tech founders developing next-generation cyber capabilities for U.S. defense and intelligence - focused on an emerging class of digital operations that goes beyond traditional vulnerability exploitation are on the lookout for a Founding AI Engineer to join their...

We're hiring founding engineers to help build the infrastructure behind the next generation of B2B software. This is a high-ownership role: you'll work directly with the founders to shape the product, the company, and the way healthcare and staffing operations are run.You'll be among the first employees at an early-stage startup, which means challenge,...

Caddie is hiring for a Founding Engineer Roleon behalf ofBlueJay. The job description below is provided directly by the Bluejay team.About BluejayBluejay is the end-to-end testing platform for conversational AI, with a strong focus on voice. We serve customers ranging from very large enterprises to the hottest startups and are backed by Y Combinator and...

tl;dr: Interface is looking for generalist founding engineers (ml, data, full-stack) who are scrappy, push boundaries and have a need to win. We need to work hard and build quick to win. We want people to challenge our ideas and build alternatives. We have a LFG attitude - so you should too who you are:make two-way door decisions quicklyfix things before...

About Data Cleanse AIAt Data Cleanse AI, we make unstructured, messy data usable for AI. From PDFs and CSVs to documents and slides, our platform cleans, structures, and formats your data to be instantlyRAG-ready.No more garbage retrieval or unreliable outputs - just clean, structured, and context-rich data pipelines optimized for LLMs and enterprise AI...