John Robert G.
Full Stack Developer | Apps, MVPs & n8n Automation Workflows
I'm a full-stack developer and solo founder who builds apps and MVPs fast. I've been programming for 9+ years and have launched 10+ of my own products in the last 2 years, so I build the way founders actually need: core flow first, polish comes in v1.1. I ship MVPs from idea to paying users in 6-8 weeks, and I work from Figma designs, written briefs, or a rough idea scribbled on a napkin. I've served 200+ clients on Upwork (verifiable on my profile) and collaborated with major tech firms like Samsung. Beyond client work, I run my own product studio, so I know what it's like to be on the other side of the table: watching costs, chasing users, needing something live now. ✅ I Can Help You With: - MVP Development (idea → paying users in 6-8 weeks) - Web & Mobile App Development - SaaS & Subscription Platforms (multi-tenant, payments built in) - AI-Powered App Features (ChatGPT, Claude, Suno AI, Veo 3, on-device AI) - Workflow Automation & Integrations (n8n, scheduled jobs, connecting apps, admin dashboards) - Payment Integration (Stripe, Polar, Creem) - API Development & Third-Party Integrations - Desktop Apps & Chrome Extensions 💡 Having Built: - Product launch & directory platforms (leaderboards, karma systems, newsletters) - AI assistant hubs connecting to 1,000+ apps and MCP tools, running scheduled automated workflows - Waitlist & landing tools with signup/conversion tracking - Privacy-first offline mobile apps (journaling, CBT-based tools) - On-device AI apps (camera-based chess board scanning + offline engine analysis) - Free-to-use browser tools (PDF signing, no signup, client-side only) 🎯 Real Numbers: 🚀 200+ clients served on Upwork 🚀 9+ years of programming experience 🚀 10+ of my own products launched in the last 2 years, as a solo founder 🚀 One of my apps grew to 7,500+ registered users 🚀 11k+ unique visitors on one of my apps 🚀 40k+ followers on TikTok where I share programming content 🚀 Collaborated with major tech firms like Samsung 🎯 Notable Work (full case studies and links in my Portfolio section): ✅ NextGen Tools — a Product Hunt-style launch platform built to handle thousands of users (7,500+ registered): directory, launch queue, leaderboards, karma system, newsletter, payments. Built it because I kept launching my own products and needed a platform myself. ✅ NextGen Assistants — an AI assistant hub where users build custom assistants connected to 1,000+ apps and MCP tools, run scheduled workflows, and generate text/images/audio/video/charts/reports. Built it to automate my own tedious tasks; I use it daily as a unified admin dashboard across all my apps. ✅ VIP List — a waitlist builder where founders create a branded waitlist page in seconds by dropping in images/videos, with signup and conversion tracking. Mobile responsive. ✅ Free PDF Signer — free unlimited PDF signing, works with encrypted PDFs, signatures stored privately in-browser, no signup required. ✅ Clearity — a CBT-guided journaling Android app on Google Play helping people with anxiety stop overthinking, built from my own experience with anxiety. Offline-first, privacy-first. ✅ Chessie — an Android chess app on Google Play that scans a physical board via camera and runs unlimited offline Stockfish analysis with move grading. Built because I play chess myself. 🎯 Areas of Expertise: ◉ Frontend: Next.js, modern web frontends ◉ Backend & Infra: Node-based stacks, DigitalOcean, Coolify, Vercel, AWS ◉ Mobile & Desktop: Tauri, Vite, Rust (cross-platform mobile + desktop) ◉ AI Integration: ChatGPT, Claude, Suno AI, Veo 3, on-device AI/ML ◉ Payments: Stripe, Polar, Creem ◉ Automation: n8n, workflow builders, scheduled jobs, multi-app/MCP integrations Additional notes: - I build my own products, not just client work, so I've felt every tradeoff I recommend to you (cost, speed, scope) firsthand. - Full portfolio and demo videos are available in my Portfolio section below. 🔹 What I Do: - MVP & Full Product Development (web + mobile) - SaaS Application Development (subscriptions, multi-tenant) - AI App Development & Integration (chat, generation, on-device AI) - Workflow & Automation Systems (n8n, multi-app integrations, scheduled tasks, admin dashboards) - Payment Integration & API Development - Desktop Apps & Browser Extensions Let's talk about your project. Send me a brief, a Figma file, or even just a rough idea, and I'll tell you honestly what a realistic MVP timeline looks like.
Earnings and projects
Last 6 months ÷ 6
Billed in all: $42,769$43k
$0 in the last 6 months
Across 3 contracts
Across 312 contracts