Fullstack Engineer & Founder building AI-powered products that automate real business workflows.
I design and ship production-grade applications across web, mobile, and backend systems.
AI-driven automation platform for social media and messaging platforms.
- Automates customer replies across Instagram, WhatsApp, Facebook, TikTok, and YouTube
- Converts conversations into leads
- Helps businesses scale communication without hiring more people
Digital hymnal platform built for accessibility and global reach.
👉 https://hymnal.otoverse.org/
- 40,000+ users
- Multi-language support
- Offline-first experience
- Built to make hymns accessible worldwide
- Real-time systems
- Queue-based architectures (BullMQ + Redis)
- Media upload pipelines (direct-to-storage + processing)
- Scalable backend design
- Architect scalable systems
- Build real-time applications
- Design backend infrastructures
- Ship products end-to-end
- Frontend: Next.js, React, React Native, TypeScript
- Backend: NestJS, Node.js
- Realtime: Convex, WebSockets
- Queues: BullMQ + Redis
- Storage: Backblaze B2 (S3-compatible)
- Media Processing: FFmpeg, Sharp
- Testing: Playwright, Jest
- Auth & Payments: Clerk, Paystack, Stripe, Polar
- Infra: Docker, Coolify, Cloudflare
- Scaling FlowSynk into a global SaaS product
- Building systems that handle real users and real data
- Leveraging AI to solve business problems
- 🌐 FlowSynk: https://flowsynk.com
- 📱 Hymnal App: https://hymnal.otoverse.org/
- 💼 LinkedIn: https://www.linkedin.com/in/daniel-otoo-bb6370160/
I build systems that solve real problems — not just demos.