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Senior Chrome Extension Developer with 10+ years of experience. 300+ Chrome extensions developed. 140,000+ Users. I specialize in developing custom chrome extensions for internal use within your team. A custom chrome extension can be a powerful tool that improves your internal workflows and enhances websites that your business relies on. If you or your employees perform tedious manual tasks like copy-pasting, filling forms, looking up information on different websites - a custom chrome extension can greatly improve your experience and make work more streamlined and enjoyable. I can also integrate AI features into your extension like generating messages and images. I have experience implementing chrome extensions that work with the following websites and API providers: Gmail, Google Sheets, Google Drive, Google Docs, Google Meet, Outlook, Microsoft Word, LinkedIn, Facebook, Instagram, Amazon, Ebay, Shopify, Etsy, Salesforce, HubSpot, Zoho, Ticketmaster, LiveNation, Zillow, Notion, Airtable, ChatGPT, OpenAI, Gemini, Claude, Stripe, SendGrid, Firebase, Supabase, Google Cloud. I have experience implementing complex technologies to enhance chrome extensions: Vector search based on AI embeddings. Browser automation on a remote server. Remote configuration of website selectors. Video and audio recording, WebRTC. PDF generation. AI model tuning. Here is what I can provide you: A custom chrome extension that solves a specific problem within your team. An admin panel where you can configure settings of the extension and see usage analytics. A secure private server to store your information and secret keys. Complete ownership of any code I create or systems I develop for you. Lifetime support for any issues that may occur while using the extension. I guarantee that you’ll be happy with the chrome extension I create, or your money back. The systems I create are 100% secure and reliable in the long term. I use the latest AI tools to improve development speed and quality. I am currently available, happy to answer any questions.

I build SaaS products and Chrome extensions using Next.js, Supabase, TypeScript, and React. Most of the products I work on start as MVPs but are expected to grow, so I think about authentication, billing, permissions, and maintainability from the beginning. I usually work with founders who already have a product idea and need someone who can take ownership of the technical side of implementation. That might mean building a system from scratch, improving an existing codebase, or cleaning up a prototype that has become difficult to maintain. Some of the work I’ve done recently: - Building full-stack SaaS applications with authentication, file uploads, Stripe billing, dashboards, and AI-powered functionality - Developing Chrome extensions connected to SaaS backends through secure authentication, background processing, and data synchronization - Refactoring large Next.js applications to improve SEO, SSR, caching strategies, and long-term maintainability - Designing Supabase systems involving Auth, PostgreSQL, Row Level Security (RLS), Storage, and server-side logic - Improving search and filtering performance through query optimization and server-side rendering - Integrating third-party services such as Stripe, OpenAI, and Podio into existing products Technologies I work with regularly include Next.js, React, TypeScript, Supabase, PostgreSQL, Stripe, Vercel, OpenAI API, Chrome Extensions (Manifest V3), REST APIs, serverless functions, SSR, caching strategies, and role-based access systems. If you're ready to hand off the technical heavy lifting and focus on growth, drop me a message and let's map out your roadmap.

I'm about 15 years in scraping and data processing automation. I created above 200 scraping applications from tiny scripts to grab Google search results to complex full-stack solutions, including Chrome Extensions, cloud backends, and mobile front-ends. Three projects I'm proud of the most: 1. LinkedIn user profiles scraper. User searches profiles in LinkedIn and launches scraper via Chrome Extension. All the further scraping is made in a cloud. The scraping results are processed with side API to get more contact information. Even though a court has ruled that it's legal to scrape data from LinkedIn, LinkedIn thoroughly protects profiles and bans visitors for scraping the data. However, the scraper avoids bans and bypasses complex LinkedIn data protection algorithms. 2. Car portal data scraping and processing. It grabs 100k of car advertisements per day from the various car selling sites, including photos. Then it clears the data and processes the photos and merges the data in one database excluding duplicates. The data is used in the automotive advertisements aggregator. 3. Web stores goods scraping and processing software development. Complex cloud backend for scraping 1+ million goods daily. Web UI development to manage scraping sources, accounts, proxies, server load, etc. Intelligent algorithms for grouping goods, finding duplicates, processing captchas, etc. I know how to simulate browsers and user actions and avoid bans, how to crawl js-driven and ajax-driven sites, pass authorization forms, distribute and optimize the load, optimize DB queries and get rid of the duplicates. I would love to work on your project together.

I build high-quality software that solves problems and saves time. With hundreds of successful browser extensions under my belt, I’m a versatile engineer who specializes in web automation—turning manual workflows into seamless, automated systems. Expertise & Versatility: The Full Stack: Expert in React, Node.js, Python, and PHP. While these are my go-to tools, I’m a logic-first developer — I’m not limited to any specific framework and can adapt to your existing stack. Core Languages: Proficient in JavaScript (ES6+), TypeScript, and SQL/NoSQL databases. I use the right tool for the specific job. Browser Extensions: Chrome/Edge (Manifest V3), Safari, and Firefox specialist. Automation: Custom bots, web scraping, and workflow optimization. Process & Quality: I believe in a transparent and organized development workflow. I use Git for version control to ensure clean, documented progress and easy collaboration. Why work with me? I’m driven by building functional, high-impact tools that deliver immediate value. I take full responsibility for the quality of my code and understand that your time is your most valuable asset. My goal is always the maximum result in the shortest possible time. I’m easy to communicate with, highly punctual, and I genuinely love the craft. Let’s get started on your project!

I started developing software 👩‍💻 before AI tools became common, which means my work is grounded in real engineering experience🧠. Today, I use AI as a powerful addition — not a shortcut — and can integrate AI-driven features into your Сross-Browser or Google Chrome extension when it truly adds value. I am a Chrome Extension Developer with 8+ years of experience whose expertise goes beyond standard Front End and Back End development. My work is deeply grounded in browser extension architecture, including hands-on experience with Manifest V3 configuration, permissions, background/service workers, and Chrome Web Store🛒 compliance. I enjoy turning ideas into production-ready extensions — from system architecture and UI implementation to a polished, pixel-perfect, high-performance result.🧩 💡 If you have an idea for a browser extension to 𝗯𝗼𝗼𝘀𝘁 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝘃𝗶𝘁𝘆, 🚀optimizing workflows, or enhance your website, my solutions will help you attract new customers, improve user experience, and 𝗴𝗿𝗼𝘄 𝘆𝗼𝘂𝗿 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀💹 by increasing engagement and efficiency. 🎯 My passion lies in bringing concepts to life, meticulously crafting each element from layout to the final, pixel-perfect product with high-quality design and performance. I have experience in the full development cycle—from designing and building the product to successfully publishing it on the Chrome Web Store. With a solid understanding of both Manifest V2 and Manifest V3, I develop efficient, cross-browser extensions that work seamlessly in Chrome, Firefox, and even IE. These extensions can be built using pure JavaScript or React, with a preference for React to leverage its modular and scalable architecture. Aware of the challenges in maintaining compatibility across multiple browsers, I utilize 𝗪𝗫𝗧 to support and manage both manifests simultaneously, ensuring reliable performance and easier maintenance. ✅️𝗞𝗲𝘆 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 – HTML, CSS, JavaScript: Mastery of the core building blocks of web development, ensuring clean, maintainable code. – React and Next.j: Extensive experience in building high-performance, scalable web applications using these popular frameworks. – Chrome API, Manifest V3 and Manifest V2: Mastery in building and upgrading cross-browser extensions using Chrome API, Manifest V3 and V2, ensuring seamless compatibility and adherence to modern standards. – API Integration: Proficient in connecting front-end interfaces with backend services to deliver seamless user experiences. – Progressive Web Application (PWA): Skilled in developing high-performance PWAs that provide offline access and a smooth, app-like user experience. – Bootstrap & Responsive Design: Mastering responsive design with Bootstrap, creating adaptable and efficient applications for all screen sizes, from smartphones to desktops. – Webpack and Babel: Skilled in optimizing applications to ensure efficient bundling, faster load times, and modern JavaScript compatibility across different browsers. Expertise in reducing bundle size and improving performance for seamless user experiences. In addition to building new extensions🧩, I specialize in migrating existing extensions from Manifest V2 to Manifest V3. Since Chrome Web Store has discontinued V2 support, I help ensure your extension remains compliant with current browser policies while preserving existing functionality and performance. This migration keeps your extension live in the Chrome Web Store🛒, avoids removal or rejection, and provides users with a stable, seamless experience. 👩‍💻 If you're looking for a developer who combines deep web development knowledge with specialized skills in browser extension creation, I’d be thrilled to collaborate and help bring your ideas to life. Simply click the "INVITE" button on my profile, and let's get started! 🤝 Somehow, OnlyFans became a related keyword to my niche.😅 I’ll take it as proof that Chrome Extensions are needed everywhere! Best regards, your Developer Alona Zubrytska Keywords: Chrome extensions development, Cross-browser extension development, Chrome extension Manifest V3, Chrome extension Manifest V2, WXT extension configuration, Upgrade Chrome extension to Manifest V3, Chrome extension responsive web design, Chrome extension cross-browser compatibility, Chrome extension CSS media queries, Chrome extension pixel-perfect development, Chrome extension adaptive design, Chrome extension modern UI/UX, Chrome extension Bootstrap developer, Chrome extension Tailwind CSS, Chrome extension web performance optimization, Chrome extension Front End Developer, Chrome extension web developer, Chrome extension React developer, Chrome extension JavaScript developer, Chrome extension HTML CSS JS, Chrome extension Figma to code, Chrome extension Figma to React, Chrome extension frontend UI UX, Chrome extension web app development, Chrome extension JavaScript ES6+, Chrome extension React developer, Chrome extension Next.js developer

I am a software engineer focused on web development with a proven ability to develop efficient, scalable, and fault-tolerant software solutions for complex problems. I have over 5 years of experience in both startup and enterprise business environments building solutions where full-stack skills, creative thinking, and high attention to detail are key, and fast turnaround is paramount. Services: ✔ Chrome Extension Development ✔ Firefox / Safari / Edge Addon Development ✔ Database Development ✔ Server / API Development ✔ Data Scraping