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Agent J

2.2k members • Free

(n8n) RoboJewel AI Automation

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The Open Campus for AI

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Vibe Coding School

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Claw & Automate

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Samin's Free AI Resource Hub

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AI Automation Base

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ship - mobile app founders

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11 contributions to University of Code
Meta CAPI × LINE × n8n Conversion Tracking Automation
Recently, I completed a server-side conversion tracking system that connects Meta Ads, LINE Official Account, and n8n automation workflows. The system captures actual LINE friend additions and sends them directly to Meta through the Conversions API (CAPI), significantly improving attribution accuracy. Unlike traditional browser-based pixel tracking, this architecture is resilient to ad blockers, cookie restrictions, and browser privacy changes. Using n8n enabled rapid development, lower operational costs, and easier maintenance compared to building and managing a custom backend service. The workflow integrates webhooks, event processing, data transformation, and Meta server-side event delivery in a scalable architecture. This approach helps advertising campaigns optimize toward real business outcomes rather than simple page visits or button clicks. I specialize in building automation-driven systems that combine AI, APIs, cloud infrastructure, and marketing technology into production-ready solutions.
🚀 AI & Full-Stack Engineer | Open to New Opportunities
I'm currently available for freelance projects, contract work, and full time software engineering roles. Over the past few years, I've worked with startups and companies building AI powered products, web platforms, mobile applications, automation systems, chatbots, and voice AI solutions. My experience spans the entire product lifecycle from planning and architecture to development, deployment, and scaling. Some of the areas I've worked in include: • AI agents and multi-agent systems using LangGraph, AutoGen, CrewAI, and ReAct • Generative AI applications powered by OpenAI, Claude, DeepSeek, and Hugging Face • RAG systems, AI assistants, and custom chatbot solutions • Voice AI and IVR platforms using Vapi AI, Retell AI, and Twilio • Workflow automation with n8n, Zapier, Make.com, and custom API integrations • Full-stack web development with Next.js, React, and Vue.js • Cross-platform mobile development with React Native and Expo • Computer vision, OCR, AI avatars, and media-generation applications Tech Stack: Python, TypeScript, JavaScript, Next.js, React, Vue.js, React Native, LangChain, LangGraph, OpenAI, Claude, DeepSeek, Hugging Face, n8n, Zapier, Make.com, Twilio, Vapi AI, and Retell AI. I've had the opportunity to work on projects for companies across a variety of industries and collaborate with distributed teams in different parts of the world. I'm comfortable working across time zones and can provide overlapping hours with teams in North America, Europe, and Asia. If you're looking for an engineer who can help build, launch, or scale AI products, web applications, mobile apps, or automation solutions, I'd be happy to connect. Feel free to send me a message I'd love to learn more about your project or team.
🔴 How to Add Seat-Based Billing to a B2B SaaS in 2026 (Easiest Way)
If you’ve ever built a B2B SaaS, you already know the messy part starts when you need organization-specific features like seat limits, team members, subscriptions, invites, roles, checkout flows, emails, and keeping everything in sync. This video is all about how to set up Clerk’s new seat-limited organization plans so you can enforce member limits without building all the custom logic yourself. Clerk now lets you define organization plans with specific seat limits, connect them to checkout flows, manage subscriptions, and control how many members each organization can invite — all without manually syncing Stripe, webhooks, organization data, and your own database logic. I’ll show you how the full flow works inside a real B2B demo app: creating organizations, switching between Growth and Pro plans, inviting members, enforcing seat limits, setting up plans in the Clerk dashboard, and using Clerk’s new components to build both default and custom pricing experiences. We’ll cover: ✅ Why seat limits are painful to build manually in B2B SaaS apps ✅ How Clerk handles organization members, invites, roles, and subscriptions ✅ Creating a demo organization and testing member limits in real time ✅ Using Growth and Pro plans with limited and unlimited seats ✅ How invites count toward available seats before users accept ✅ Setting up organization membership limits inside Clerk ✅ Creating seat-based organization plans in the Clerk dashboard ✅ Using Clerk’s PricingTable, CheckoutButton, PlanDetailsButton, and SubscriptionDetailsButton components ✅ Building a custom pricing page without writing your own checkout or webhook sync logic This is one of those features that removes a huge amount of backend complexity. Fewer custom systems, fewer edge cases, fewer places for your SaaS app to break.
0 likes • May 12
おはようございます
🔴 How to CLONE your voice using AI! (Tutorial for Beginners)
What if I told you the voice at the start of this video wasn’t actually me speaking live? In this video, I test Fish Audio’s brand new S2 Pro model and show you how to generate realistic AI voices, add emotion tags, create multi-character conversations, clone your own voice, and then plug everything into a real Next.js app using the Fish Audio API. We’ll go from testing voices inside the Fish Audio dashboard to building a full developer demo with text-to-speech, speech-to-text, voice search, voice cloning, and real-time streaming audio. We’ll cover: ✅ Testing Fish Audio’s new S2 Pro voice model ✅ Adding emotion tags like laughing, aggressive, cheerful, and more ✅ Creating multi-speaker AI conversations ✅ Cloning your own voice from a short audio sample ✅ Keeping cloned voices private ✅ Creating a Fish Audio API key ✅ Building a Next.js demo app with the JavaScript SDK ✅ Text-to-speech, speech-to-text, and voice search ✅ Real-time streaming audio with low latency ✅ How to keep API keys safely on the server side If you’re building AI agents, voice assistants, creator tools, customer support bots, or any app that needs realistic AI voice, this is one of the coolest tools to try right now.
0 likes • May 8
Okay
Open to New Projects & Developer Collaboration
Hi everyone I recently completed my current projects and I’m now open to new opportunities. I’m interested in connecting with developers building in backend, SaaS, AI, or automation, and I’m always open to exchanging ideas with people working in similar areas. If you’re interested in a technical session, mentorship, collaboration, or discussing a project, feel free to reach out. Happy to connect.
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Yuki Nakamura
2
14points to level up
@misa-dana-2493
Full stack and AI developer contact info: telegram kingsudo7 whatsapp: +81 80-2650-2313

Active 4h ago
Joined Feb 5, 2026