Logo
SupportFinity™

Founding Full Stack Engineer

SupportFinity™, San Francisco, California, United States, 94199

Save Job

Overview

Founding Full-Stack Engineer Ready to build the next generation of AI-native consumer experience? Text.ai is a consumer-first AI native company revolutionizing how people communicate in group chats. We are pioneering a new category of consumer AI products that millions will use daily. We are building the first AI-native communication platform where every conversation becomes intelligent, collaborative, and effortless. We are reimagining how humans and AI work together from first principles. The Role

We're hiring a

Founding Full-Stack Engineer

(Frontend/Backend) to be the technical owner and driver of our new app experience. This is a hands-on role focused primarily on React Native (iOS and Android), along with Backend (Python) integration. You will join the founding team and lead building our mobile app from the ground up, while contributing to backend integration tasks when needed. This isn’t your first native app launch; you've shipped bug-free, polished, high-performing apps and will work closely with design, product, and engineering stakeholders to deliver intuitive and beautiful experiences, fast. What Makes This Role Extraordinary

Category Creation: Invent new patterns that define how humans and AI collaborate. Massive Scale Potential: Early product-market fit signals with explosive organic growth affecting millions of daily conversations. Technical Innovation: Implementing AI capabilities, group preference learning, multi-participant coordination, and social facilitation algorithms. Founding Impact: Direct influence on product direction, technical architecture, and company culture. What You'll Build

Own the Mobile Platform (Primary Focus)

Lead development of our React Native app from ground zero to millions of users Create seamless group collaboration experiences impossible on any other platform Build AI-native interfaces that feel magical, not mechanical Ship polished, performant experiences across iOS and Android Shape Our Technical Future

Architect mobile backend (Python) integration for real-time group AI coordination Implement GenAI features that don’t exist anywhere else Design systems that scale from thousands to millions of concurrent conversations Become a true full-stack powerhouse across the technical ecosystem Collaborate Across Disciplines

Partner with design and product to bring new interaction patterns to life Work with founders on product strategy and technical roadmap Help build the engineering culture and practices for our growing team Who You Are

Technical Excellence

4+ years shipping React Native apps with strong mobile UX Full-stack capability with backend integration experience (Python/modern web stack) Consumer product instincts with a focus on performance, polish, and user delight Senior ownership mindset; you set direction, drive decisions, and own outcomes Startup DNA

Thrives in ambiguity and enjoys building new things without established playbooks Ships relentlessly with iteration cycles measured in days Quality-focused; ships only what you would personally use and love Team player, humble, hardworking, and ready to move the team forward Bonus Superpowers

Experience with GenAI/LLM integration in consumer products Background in social/communication platforms Mobile app performance optimization expertise Understanding of viral growth mechanics Why Text.ai

Product-Market Fit Signals

We’ve identified strong signals: organic word-of-mouth growth, high user engagement, and millions of messages transacted in just a few months. World-Class Backing

YC, SV Angel, and angels from Shopify and Tencent. Founding team from Tesla, Eventbrite, Amazon, and McKinsey. Technical Challenge

You will work on problems that don’t have Stack Overflow answers: group AI coordination, social preference learning, and multi-participant optimization—frontier territory. Culture & Values

Humble excellence — big ambitions, zero egos Ownership mentality — everyone leads, everyone contributes, everyone wins Learning velocity — new challenges, new growth every day Impact focus — your work directly shapes how millions connect Benefits

Competitive pay Meaningful equity 401k plan Fitness and gym reimbursement Ready to build the future? This isn’t a FAANG role focused on tiny optimization; it’s your opportunity to architect foundational technology and a new experience for how humans and AI collaborate for the next decade. We seek engineers who want to build something meaningful, ship something people love, and create technology that makes human connection easier and more joyful.

#J-18808-Ljbffr