Technical Co-Founder Jobs - April 2026

I'm building an art tech startup and seeking a highly driven full-stack technical co-founder ideally located in NYC. Candidate should have a proven track record of launching and operating tech products that generated sales or a substantial user base in the US…

Building an AI-guided financial platform with conversational AI to guide inexperienced users through the entire journey. Seeking a full-stack developer with AI/LLM experience for a co-founder/equity partnership role. Stack is mobile-first and includes React/N…

Looking for a technical co-founder interested in re-inventing the payment processing space from a B2C outlook. Current methods were initially built to make integration into native enterprise platforms seamless have now become expensive, lack meaningful innova…

beSpoke is a social media platform for AI-assisted spoken word creations. It's like Instagram or TikTok for podcasts. We combine AI tools, human direction, and a new social network to create and distribute types of spoken word content that have never existed …

QuitCarbon, our climate startup/nascent public-benefit company based in San Francisco, helps homeowners electrify (upgrade from fossil gas appliances to heat pumps, induction stoves, etc), and helps small business contractors flourish by being part of the cle…

Joule is accelerating the clean energy transition of the residential sector by decarbonizing homes alongside a home mortgage. We are building a digital mortgage solution that rolls the cost of packaged sustainable upgrades (think efficiency + electrification …