Founding Engineer Jobs - October 2025
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String
Founding Engineer
Posted 8 months, 3 weeks ago
Collecting data from the web is painful with custom scripts everywhere, Cloudflare roadblocks, and pricey infrastructure. I’m Rohit, the CEO at String, where we are building the first scraping platform that just works. In the last two years, with a small team…
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Phosphor
Founding Engineer
Posted 8 months, 3 weeks ago
Phosphor builds recursively self-improving systems (via malleable software and natural language interfaces) to enable the efficient development and financing of the physical world (infrastructure, energy, real estate). Our product is built around a powerful o…
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Fairwater Labs
Founding Engineer
Posted 8 months, 3 weeks ago
We are building a cutting-edge product leveraging generative AI and machine learning for multi-modal data processing at the edge. Own the end-to-end architecture & tech / product roadmap – choose the stack, design data pipelines, secure cloud infra, and front…
Roles
Tech stack
Location
Remote
Compensation
Competitive salary and significant equity
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Cora AI
Founding Engineer
Posted 8 months, 3 weeks ago
We’re building AI agents that help B2B companies scale customer relationships. We’re already live with several enterprise customers and receiving a lot of positive feedback: “I’m super excited!! You’re changing our lives!!” — Account Manager for emerging-ente…
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Raremarq
Founding Engineer
Posted 8 months, 3 weeks ago
Raremarq is building the Stripe for Auctions — a no-code/low-code platform that lets brands, creators, and businesses embed auctions and dynamic pricing directly into their stores. Our auction engine already powers real-time bidding, payments, and fulfillment…
Roles
Location
Fully Remote
Compensation
$150K + founding-engineer equity, full healthcare, unlimited PTO
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Solitude Labs
Founding Engineer
Posted 9 months, 1 week ago
At Solitude Labs, we're securing the future of the energy grid. Solar, batteries, EV chargers, and other distributed energy resources (DERs) are transforming how energy is produced and consumed. While they present endless opportunities to modernize our grid t…