Mark Phillip L.

My_Goal = 2 * (Your_SATISFACTION); I am EFFICIENT and EFFECTIVE. With 10+ years of frontend development experience, I specialize in building responsive, pixel-perfect websites and conversion-focused experiences. I work with designs, existing websites, and CRO requirements to turn ideas into clean, reliable, production-ready code. My experience covers both website development and A/B testing, from building pages and custom components to implementing conversion experiments and optimizing existing user experiences. I can help with: Frontend & website development HTML, CSS & JavaScript development Shopify theme & Liquid customization WordPress / Divi development React development A/B testing & CRO implementation Landing pages and conversion-focused changes Responsive & cross-browser development Dynamic DOM / SPA implementations Conversion tracking and experiment goals QA, debugging, and website optimization Technologies: HTML5, CSS3, Sass/SCSS, JavaScript, jQuery, React, TypeScript, Shopify/Liquid, WordPress, Divi, TailwindCSS, Bootstrap, Convert(dot)com, Intelligems, GA4/GTM, Git, and SEO fundamentals. Whether you need a frontend developer to build or improve your website or a developer to turn a CRO hypothesis into a working A/B test, I can help take it from idea to implementation.