Doni K.

Chrome Extension & JavaScript Developer | WordPress, APIs & Google Ad Manager I build Chrome extensions, JavaScript automation tools, API integrations, and custom web solutions for businesses, publishers, and agencies. I have hands-on experience taking browser-based tools from development to production and Chrome Web Store publication, along with extensive experience in WordPress, Google Ad Manager, advertising technology, and API automation. My background allows me to solve both the development problem and the business workflow behind it, whether you need a Chrome extension, browser automation tool, API integration, WordPress customization, or advertising technology solution. Chrome Extension & JavaScript Development * Custom Chrome extension development * JavaScript and browser-based tools * Chrome Extension APIs * DOM manipulation and page interaction * Browser automation and workflow tools * Content scripts and background functionality * API integration and data processing * Extension debugging and troubleshooting * Chrome Web Store packaging and publishing * Maintenance, improvements, and feature development I have also developed and published a production Chrome extension on the Chrome Web Store: // chromewebstore : "YouTube Comment Cleaner" // Google Ad Manager & AdTech I also specialize in advertising technology and publisher monetization: * Google Ad Manager (GAM) implementation * Google Ad Manager API * GAM automation and custom workflows * Google Publisher Tag (GPT) * Prebid.js and header bidding * Ad inventory configuration * Ad delivery troubleshooting * Ad latency and fill-rate optimization * Reporting and trafficking automation * Publisher monetization infrastructure WordPress & Web Development * Custom WordPress development * PHP and JavaScript * WordPress performance optimization * Security and malware cleanup * Custom integrations and automation * Third-party API integrations * Troubleshooting and debugging Why Work With Me? I combine JavaScript development, browser automation, API integration, WordPress, and AdTech expertise. That means I can go beyond simply writing code. I can understand an existing workflow, identify what should be automated, integrate the required APIs, and build a practical solution that works in a real production environment. I'm particularly well suited for projects involving: Chrome Extensions • JavaScript • Browser Automation • API Integration • Google Ad Manager • WordPress • AdTech • Web Automation If you have a repetitive browser workflow, a custom Chrome extension idea, an API that needs to be integrated, or an existing extension that needs debugging or new features, I can help turn it into a reliable production solution.