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You will get custom chrome browser extension manifest v3 firefox brave safari microsoft
Project details
develop custom browser extension manifest v3 chrome extension firefox brave safari microsoft edge chatgpt openai integration web automation claude in 48 hours
You need a browser extension built by a developer, not a template reseller.
I build every extension from scratch clean, documented, MV3-compliant code that works on all major browsers and passes Chrome Web Store review without issues.
What I Build:
UI design
Bug Fixing & Extension Upgrades
Database backend
Chrome Extension (Manifest V3)
Firefox Add-on (WebExtensions API)
Microsoft Edge Extension
Brave Extension
Safari Web Extension
Manifest V3 Migration
API Integration
Website Extension
Web Automation
Chrome Web Store & Firefox AMO Submission
Payment Integration
Tech Stack:
JavaScript
TypeScript
HTML
CSS
Chrome Extensions API (MV3)
WebExtensions API
Service Workers
Content Scripts
Declarative Net Request
Storage API
Tabs API
Alarms API
Notifications API
OpenAI API (GPT-4o)
Anthropic Claude API
Gemini API
React
Vue
Node.js
Python
Puppeteer
Playwright
Cheerio
Chrome Web Store
Firefox AMO
Edge Add-ons
Safari Web Extensions
Xcode
If you need a female expert developer,
CONTACT ME NOW!!!
You need a browser extension built by a developer, not a template reseller.
I build every extension from scratch clean, documented, MV3-compliant code that works on all major browsers and passes Chrome Web Store review without issues.
What I Build:
UI design
Bug Fixing & Extension Upgrades
Database backend
Chrome Extension (Manifest V3)
Firefox Add-on (WebExtensions API)
Microsoft Edge Extension
Brave Extension
Safari Web Extension
Manifest V3 Migration
API Integration
Website Extension
Web Automation
Chrome Web Store & Firefox AMO Submission
Payment Integration
Tech Stack:
JavaScript
TypeScript
HTML
CSS
Chrome Extensions API (MV3)
WebExtensions API
Service Workers
Content Scripts
Declarative Net Request
Storage API
Tabs API
Alarms API
Notifications API
OpenAI API (GPT-4o)
Anthropic Claude API
Gemini API
React
Vue
Node.js
Python
Puppeteer
Playwright
Cheerio
Chrome Web Store
Firefox AMO
Edge Add-ons
Safari Web Extensions
Xcode
If you need a female expert developer,
CONTACT ME NOW!!!
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$50
|
Standard
$200
|
Advanced
$600
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 6 days |
Number of Revisions | 0 | 0 | 0 |
Install Script | - | - | - |
Test Script | - | - | - |
Task Automation | - | - | - |
Frequently asked questions
16 reviews
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This project doesn't have any reviews.
MA
Malik A.
May 5, 2026
App icon design
Really happy with the app icon design. I wanted something clean and modern for my service marketplace app, and the seller delivered exactly that. The icon looks professional, scalable, and fits the branding perfectly.
Fast communication, good design sense, and overall a smooth experience. Highly recommend for app icon and mobile app branding work.
Fast communication, good design sense, and overall a smooth experience. Highly recommend for app icon and mobile app branding work.
MA
Malik A.
May 1, 2026
PHASE 2 — MINOR REACT NATIVE BUG FIX (BOOKING STATE ISSUE)
Great experience again. The seller quickly fixed a booking state issue in my React Native app where the UI wasn’t updating properly after API responses. Everything now updates instantly without needing a refresh.
Good understanding of frontend state management, app flow, and bug fixing. Fast delivery and clear communication throughout. Highly recommend for React Native and mobile app fixes.
Good understanding of frontend state management, app flow, and bug fixing. Fast delivery and clear communication throughout. Highly recommend for React Native and mobile app fixes.
ZS
Zsolt S.
Apr 25, 2026
I need please an hour of your time
Great communication and very patient
JK
Joe K.
Apr 6, 2026
AI automation using Open Claw
MS
Mason S.
Apr 5, 2026
React Native Core Screens — Supabase Data Wiring, Realtime & Shared Components (Fixed Price)
Opemipo delivered React Native screen wiring for 4 main app tabs connecting to a live Supabase backend. Responsive communicator — accepted quickly and delivered Early. Second engagement after a strong auth-service build. Would recommend for React Native/Supabase projects.
About Opemipo
React Native Expo App | SupaBase | Claude | Capacitor PWA Mobile App
83%
Job Success
Ado-Ekiti, Nigeria - 8:23 pm local time
Right now, most people struggle with:
❌ Hermes Agent and OpenClaw setup or installation failing
❌ Broken workflows and automation not triggering
❌ Mobile apps crashing or not deploying (Android/iOS issues)
❌ Backend not syncing with frontend (Firebase/Supabase issues)
❌ API integrations (Stripe, Telegram, WhatsApp) not working
❌ AI agents (Codex, Claude Code, Antigravity) not stable
👉 That’s where I come in.
⚡ Who I Am
I’m a Senior Full Stack Developer & AI Automation Engineer specializing in:
✔ Full stack app development
✔ Mobile app development (iOS and Android)
✔ Web app development & SaaS platforms
✔ OpenClaw AI agent development & automation
✔ Codex, Claude Code, Claude Cowork & Google Antigravity systems
I help businesses build, fix, optimize, deploy, and scale software that actually works.
🔥 What I Do
I handle everything from idea → development → deployment → scaling
✅ Full Stack App Development
- Full stack developer (frontend + backend)
- Mobile app development (Flutter, React Native Expo)
- Cross-platform app development (iOS and Android)
- Web app development (React, Next.js, Node.js)
- Progressive Web App (PWA)
- Desktop app development (Electron)
- Chrome Extension development
- Platformer Game development
✅ Backend & API Systems
- Backend developer
- REST API development & GraphQL
- API integration (Stripe, PayPal, Telegram, WhatsApp)
- Authentication systems (JWT, OAuth)
- Real-time database
✅ Database & Infrastructure
- PostgreSQL database
- MongoDB
- Firebase
- Supabase development
- VPS deployment (Hostinger, AWS, GCP)
- Docker & CI/CD pipelines
✅ OpenClaw AI Agent & Automation
This is where I dominate.
I help clients with:
✔ OpenClaw setup
✔ OpenClaw installation
✔ OpenClaw configuration
✔ OpenClaw developer services
✔ OpenClaw AI agent development
✔ OpenClaw workflow automation
✔ OpenClaw automation systems
✔ OpenClaw integration (Telegram, WhatsApp, APIs)
✔ OpenClaw troubleshooting & debugging
✔ OpenClaw fix & maintenance
✔ OpenClaw VPS deployment
✔ OpenClaw Mac setup / Windows setup
💰 Real Systems I Build
- SaaS MVP development for startups
- Marketplace app development
- Social media app development
- Web to mobile app conversion
- Chrome extension development
- Browser extension development
✅ AI + LLM + AUTOMATION SYSTEMS
I integrate:
- AI app development
- AI agent development
- LLM integration (GPT-4o, Claude, Gemini)
- Claude Code Apps
- Claude Cowork systems
- Google Antigravity
- Prompt engineering & automation logic
- RAG (Retrieval-Augmented Generation)
- Embeddings + vector databases
⚡ Advanced Automation Systems
- Telegram bot automation
- WhatsApp automation
- Email automation systems
- Web research AI agents
- Social media automation
- Crypto trading bots (Solana, Polymarket)
- Business automation systems
⚡ Deployment
- VPS deployment (Hostinger VPS setup)
- Cloud deployment (AWS, GCP, Vercel)
- Docker containerization
- Apple Store Upload
- Google Play Store Upload
🔥 What You Get
✔ Production-ready full stack app
✔ Stable OpenClaw AI agent system
✔ Clean, scalable architecture
✔ Automation that actually works
✔ Increased leads, conversions, and efficiency
✔ A system that runs 24/7 without breaking
📩 Send me a message.
I’ll quickly tell you:
✔ What’s wrong
✔ What’s missing
✔ How to fix it fast
✔ How to scale it properly
No fluff. Just results.
Your Expert Developer
Opemipo F.
PROFILE SKILLS
Full stack developer, full stack app development, React Native Expo App, Mobile app development, web app development, Flutter developer, cross-platform app development, iOS and Android app development, backend developer, frontend developer, API integration, Firebase development, Supabase development, PostgreSQL database, MongoDB, REST API development, SaaS development, MVP development, startup app development, build mobile app, build web application, convert idea into app, Progressive Web App PWA, desktop app development, web to mobile app conversion, Chrome extension development, plugin development, AI app development, AI agent development, LLM integration, AI automation, Claude Code, Claude Cowork, Google Antigravity, OpenClaw setup, OpenClaw installation, OpenClaw configuration, OpenClaw developer, OpenClaw workflow automation, OpenClaw integration, OpenClaw troubleshooting, OpenClaw fix, OpenClaw VPS setup, OpenClaw deployment, app debugging, bug fixing, performance optimization, VPS deployment, Docker, cloud deployment, CI/CD pipeline
Steps for completing your project
After purchasing the project, send requirements so Opemipo can start the project.
Delivery time starts when Opemipo receives requirements from you.
Opemipo works on your project following the steps below.
Revisions may occur after the delivery date.
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