Co-founder / CTO

Technical Co-founder / CTO - Inbo L ead the Future of Newsletter Reading The Opportunity Gmail wasn't built for reading. We're building what should have existed all along. Inbo.club is solving a $12.5B market problem: 360M newsletter readers worldwide are stuck using email clients designed for communication, not consumption. We're creating a dedicated home where newsletters finally get the reading experience they deserve. We need a Technical Co-founder who can both architect our future and build our present. Proven Traction Live Product: V1 shipped on iOS & Google Play Store Active Users: 50+ beta users with strong engagement Y Combinator: Application submitted for Fall 2025 Revenue Path: Clear $500K Year 1 target with proven monetization This isn't a 0-to-1 challenge. This is a 1-to-100 scaling opportunity. Your Role: Balanced Leadership Technical Leadership (40%) Own technical vision and long-term architecture roadmap Lead and scale engineering team (2 developers 4+ person team) Make critical technology decisions for platform scalability Establish engineering culture and best practices Hands-On Development (40%) Build core features: email processing, AI recommendations Write foundational code for critical systems Code reviews and technical mentorship Jump in to solve complex technical challenges Co-Founder Responsibilities (20%) Product strategy and roadmap collaboration Technical communication to investors and stakeholders Team building and engineering hiring Translate technical capabilities to business opportunities Technical Challenges You'll Lead Email Processing Infrastructure Challenge: Scale from 10 emails to 100K+ daily newsletters Your Role: Architect system + code critical components Impact: Foundation for millions of newsletter readers AI-Powered Recommendation Engine Challenge: Build personalized newsletter discovery Your Role: Design ML pipeline + implement algorithms Impact: Drive user engagement and platform stickiness Creator Analytics Platform Challenge: Build revenue-generating analytics dashboard Your Role: Define requirements + code real-time data systems Impact: $300K+ annual revenue target Scalable Platform Architecture Challenge: Prepare for millions of users across mobile/web Your Role: Microservices architecture + core platform development Impact: Technical foundation for global scale Market & Revenue Opportunity Market Size: 360M newsletter readers globally ($12.5B industry) Creators spend $1-5B yearly on subscriber acquisition Average $0.80-$4.00 per engaged subscriber on Facebook/Google Our Advantage: Lower CAC through organic product-driven growth Higher LTV with highly engaged newsletter readers Multiple revenue streams: subscriptions + creator tools + ads Year 1 Revenue Targets: Sponsored Onboarding: $50K Creator Analytics: $300K Ad Marketplace: $100K Premium Features: $50K Current Tech Stack Production (Working & Proven): Frontend: React Native + React.js + TypeScript Backend: Node.js + Express + PostgreSQL + Redis Infrastructure: Azure + Docker + Custom Email Pipeline Your Technical Leadership Will Add: AI/ML: OpenAI GPT-4 + TensorFlow + Vector Search Scale: Microservices + Event Architecture + CDN Analytics: Real-time pipelines + BI dashboards Integrations: APIs + Webhooks + Platform connectors What We're Looking For Technical Leadership (Must-Have): 5+ years full-stack development with scalable system architecture 3+ years leading engineering teams while staying hands-on Startup experience scaling products from MVP to 100K+ users Technical decision-making - choosing technologies and architecture Team building - hired, mentored, and grown engineering teams Core Technical Skills: Full-stack expertise: React Native, Node.js, PostgreSQL, cloud infrastructure Email/messaging systems: SMTP, email processing, deliverability AI/ML integration: APIs, recommendation systems, data processing DevOps capabilities: CI/CD, monitoring, deployment automation Co-Founder Qualities: Strategic thinking: Translate business goals to technical roadmaps Communication skills: Explain complex tech to non-technical stakeholders Product mindset: Understand how tech choices impact UX and business Ownership mentality: Take responsibility for technical and business outcomes Ideal Background: Previous co-founder or founding engineer with equity experience High-traffic consumer apps serving thousands of daily users Y Combinator or accelerator alumni preferred Co-Founder Package Equity & Compensation: Equity stake (based on experience and contribution) Nominal salary initially, competitive post-funding 4-year vesting with 1-year cliff Full benefits package post-funding Leadership Authority: CTO title with full technical decision-making power Participation in strategic decisions Hiring authority to build your ideal engineering team Conference speaking and thought leadership opportunities Lifestyle & Growth: Remote-first culture Direct founder relationship The Technical Co-founder We're Seeking We need someone who understands that great technology serves human needs, not the other way around. You're not just a technical leader - you're someone who believes that the best software feels invisible, that elegant architecture enables beautiful experiences, and that the most powerful feature is often the one you don't have to think about. You've built systems that scale, but more importantly, you've built systems that matter . You understand that when we're processing 100,000 newsletters daily, we're not just moving data - we're preserving thousands of hours of human creativity and enabling millions of moments of discovery and reflection. A Final Thought Reading deserves a sanctuary. We're not here to fight for attention. We're here to protect it. We're building Inbo.club for everyone who has ever saved a newsletter to read later, only to lose it in the noise. For everyone who believes that the best technology is the kind you don't have to think about. For everyone who thinks the internet could be a little more thoughtful, a little more human. If you're someone who wants to build technology that serves human flourishing rather than exploiting human attention, we should talk.