I build websites that do more than look good — they need to perform, rank, integrate, and support real business goals. I’m a Senior WordPress Developer & Full-Stack Website Developer with 12+ years of experience, combining deep WordPress expertise with backend development, performance engineering, Technical SEO, API integrations, and modern web technologies. Over the years, I’ve contributed to 300+ WordPress websites and worked remotely with companies and teams across the United States, Singapore, Malaysia, Israel, and Indonesia. My strongest area is WordPress beyond the standard page-builder workflow: Custom Themes & Plugins, advanced CMS architecture, WooCommerce, API integrations, multilingual, performance optimization, and technically sound SEO implementation. What I work with: • WordPress Engineering — Custom Themes & Plugins, WooCommerce, ACF, CPTs, WP-CLI, REST API, multilingual, custom workflows • Backend & Integrations — PHP, REST APIs, AJAX, webhooks, MySQL, Redis, external systems and data synchronization • Frontend & Full-Stack — JavaScript, TypeScript, React, Next.js, Vue, Node.js, responsive and mobile-first development • Performance Engineering — Core Web Vitals, caching, Redis, Nginx, FastCGI, CDN, Cloudflare, server and database optimization • Technical SEO & AI Search — Technical audits, structured data, crawlability, information architecture, internal linking, analytics, SEO/GEO and AI-search visibility • Design-to-Code — Turning supplied designs into responsive, maintainable, production-ready. I’m comfortable owning the full website lifecycle: Requirements → Design → Development → Integrations → QA → Technical SEO → Performance → Deployment → Maintenance Some of my work includes contributing to RunCache at RunCloud, building complex WooCommerce/API synchronization, developing advanced custom WordPress CMS platforms, multilingual websites, custom plugins, and supporting SEO-focused WordPress and AI Search visibility initiatives. What differentiates me is the ability to connect disciplines that are often treated separately. I understand how development, performance, SEO, content architecture, analytics, infrastructure, and conversion affect one another — and I build with that complete picture in mind. Selected areas: WordPress • WooCommerce • Custom Themes & Plugins • REST APIs • React / Next.js • Vue • Node.js • Redis • Core Web Vitals • Technical SEO/GEO • AI Search Optimization 🌐 Website & Portfolio: _Website not available. Sign in: https://www.twine.net/signup_ 📩 Open to: Remote opportunities, agency collaboration, and technically challenging web projects…

Christian Haryanto

I build websites that do more than look good — they need to perform, rank, integrate, and support real business goals. I’m a Senior WordPress Developer & Full-Stack Website Developer with 12+ years of experience, combining deep WordPress expertise with backend development, performance engineering, Technical SEO, API integrations, and modern web technologies. Over the years, I’ve contributed to 300+ WordPress websites and worked remotely with companies and teams across the United States, Singapore, Malaysia, Israel, and Indonesia. My strongest area is WordPress beyond the standard page-builder workflow: Custom Themes & Plugins, advanced CMS architecture, WooCommerce, API integrations, multilingual, performance optimization, and technically sound SEO implementation. What I work with: • WordPress Engineering — Custom Themes & Plugins, WooCommerce, ACF, CPTs, WP-CLI, REST API, multilingual, custom workflows • Backend & Integrations — PHP, REST APIs, AJAX, webhooks, MySQL, Redis, external systems and data synchronization • Frontend & Full-Stack — JavaScript, TypeScript, React, Next.js, Vue, Node.js, responsive and mobile-first development • Performance Engineering — Core Web Vitals, caching, Redis, Nginx, FastCGI, CDN, Cloudflare, server and database optimization • Technical SEO & AI Search — Technical audits, structured data, crawlability, information architecture, internal linking, analytics, SEO/GEO and AI-search visibility • Design-to-Code — Turning supplied designs into responsive, maintainable, production-ready. I’m comfortable owning the full website lifecycle: Requirements → Design → Development → Integrations → QA → Technical SEO → Performance → Deployment → Maintenance Some of my work includes contributing to RunCache at RunCloud, building complex WooCommerce/API synchronization, developing advanced custom WordPress CMS platforms, multilingual websites, custom plugins, and supporting SEO-focused WordPress and AI Search visibility initiatives. What differentiates me is the ability to connect disciplines that are often treated separately. I understand how development, performance, SEO, content architecture, analytics, infrastructure, and conversion affect one another — and I build with that complete picture in mind. Selected areas: WordPress • WooCommerce • Custom Themes & Plugins • REST APIs • React / Next.js • Vue • Node.js • Redis • Core Web Vitals • Technical SEO/GEO • AI Search Optimization 🌐 Website & Portfolio: _Website not available. Sign in: https://www.twine.net/signup_ 📩 Open to: Remote opportunities, agency collaboration, and technically challenging web projects…

Available to hire

I build websites that do more than look good — they need to perform, rank, integrate, and support real business goals.

I’m a Senior WordPress Developer & Full-Stack Website Developer with 12+ years of experience, combining deep WordPress expertise with backend development, performance engineering, Technical SEO, API integrations, and modern web technologies.

Over the years, I’ve contributed to 300+ WordPress websites and worked remotely with companies and teams across the United States, Singapore, Malaysia, Israel, and Indonesia.

My strongest area is WordPress beyond the standard page-builder workflow: Custom Themes & Plugins, advanced CMS architecture, WooCommerce, API integrations, multilingual, performance optimization, and technically sound SEO implementation.

What I work with:
• WordPress Engineering — Custom Themes & Plugins, WooCommerce, ACF, CPTs, WP-CLI, REST API, multilingual, custom workflows
• Backend & Integrations — PHP, REST APIs, AJAX, webhooks, MySQL, Redis, external systems and data synchronization
• Frontend & Full-Stack — JavaScript, TypeScript, React, Next.js, Vue, Node.js, responsive and mobile-first development
• Performance Engineering — Core Web Vitals, caching, Redis, Nginx, FastCGI, CDN, Cloudflare, server and database optimization
• Technical SEO & AI Search — Technical audits, structured data, crawlability, information architecture, internal linking, analytics, SEO/GEO and AI-search visibility
• Design-to-Code — Turning supplied designs into responsive, maintainable, production-ready.

I’m comfortable owning the full website lifecycle:
Requirements → Design → Development → Integrations → QA → Technical SEO → Performance → Deployment → Maintenance

Some of my work includes contributing to RunCache at RunCloud, building complex WooCommerce/API synchronization, developing advanced custom WordPress CMS platforms, multilingual websites, custom plugins, and supporting SEO-focused WordPress and AI Search visibility initiatives.

What differentiates me is the ability to connect disciplines that are often treated separately. I understand how development, performance, SEO, content architecture, analytics, infrastructure, and conversion affect one another — and I build with that complete picture in mind.

Selected areas:
WordPress • WooCommerce • Custom Themes & Plugins • REST APIs • React / Next.js • Vue • Node.js • Redis • Core Web Vitals • Technical SEO/GEO • AI Search Optimization

🌐 Website & Portfolio: Website not available. Sign in: https://www.twine.net/signup
📩 Open to: Remote opportunities, agency collaboration, and technically challenging web projects

See more

Experience Level

Expert
Expert
Expert

Work Experience

Full-Stack Website Developer at Finext
December 1, 2025 - July 1, 2026
Built and maintained a custom integration synchronizing external SAP/API product data into WooCommerce, managing products, variations, SKUs, categories, attributes, images, statuses, and custom metadata across large API datasets. Implemented scheduled, manual, and webhook-driven synchronization plus admin tools for search/filtering, JSON inspection, comparison/export, validation, and troubleshooting. Developed a Hebrew/English WordPress platform with RTL/LTR support, WPML, CPTs/taxonomies, ACF, AJAX search/filtering, roles/permissions, structured digital library, and interactive document presentation using PDF.js and Turn.js. Developed a multilingual marketing platform with Next.js/React/TypeScript/Tailwind and implemented SEO metadata, canonicals, structured data, robots directives, sitemaps, analytics/tracking, and lead-generation functionality.
Senior WordPress Developer at RunCloud
November 1, 2025 - January 31, 2026
Contributed to RunCache, a production WordPress full-page caching solution within the RunCloud ecosystem. Developed caching workflows across PHP, Nginx/Apache/LiteSpeed/OpenLiteSpeed, Redis, FastCGI, and implemented purge/preload, AJAX dashboard controls, admin-bar functionality, and WP-CLI commands. Improved CDN support (Cloudflare, BunnyCDN), Redis Object Cache configuration handling, import/export, Bedrock compatibility, Multisite support, URL normalization, and API error handling. Contributed to a Vue 3 admin interface with Vite/Tailwind and implemented a measurable performance uplift (lower TTFB, fewer origin queries, high Redis hit rate, and faster page loads).
WordPress Developer / Technical SEO at Montgomery | Steele
August 1, 2024 - Present
Develop and optimize WordPress websites for organic search, lead generation, and conversion. Build and customize themes/plugins, forms, templates, landing pages, and reusable components. Implement technical SEO including structured data, metadata, internal linking, crawlability/indexability, and SEO-friendly architecture. Optimize Core Web Vitals and frontend performance while supporting keyword research and search performance reporting using Google Analytics and Google Search Console. Designed an AI Search Visibility & Authority program connecting entity clarity, structured information, content authority, local relevance, GEO, and measurable AI discoverability.
WordPress Developer at Harnods / PT Inspirasi Digital Eksperiensia
April 1, 2021 - December 31, 2024
Developed 12+ custom WordPress websites and supported additional web projects. Built custom themes/plugins, integrations, responsive frontend implementations, and third-party API functionality. Supported technical SEO (structured data, internal linking, Core Web Vitals, and site optimization), plus QA, deployments, hosting, migrations, maintenance, troubleshooting, and backlink/guest-posting activities.
WordPress Developer at Cool Code Sdn Bhd
November 1, 2019 - December 31, 2025
Delivered and maintained 200+ WordPress websites across multiple industries. Converted Figma/Adobe XD/Sketch/PSD designs into responsive, production-ready WordPress builds. Developed custom themes/plugins, CPTs, metadata/structured CMS functionality, and API integrations including forms and analytics/marketing integrations. Optimized Core Web Vitals, caching, hosting/queries, technical SEO, migrations, deployment, and production troubleshooting, managing projects across different stages of the delivery lifecycle.
Senior Graphic Designer & WordPress Developer at Unclezam Holding Berhad
April 1, 2014 - December 31, 2021
Combined WordPress development, UI/UX, graphic design, SEO, and digital marketing. Designed and developed websites and digital assets supporting corporate branding, campaigns, and digital content, with an emphasis on creative-to-production delivery for marketing needs.
Freelance Graphic Designer, Website Designer & Developer at Sribu Digital
February 1, 2010 - February 1, 2020
Delivered graphic design, website design, UI, and web-development services for freelance clients. Worked with repeat clients across multiple design and website projects and won 10+ design contests.

Education

Add your educational history here.

Qualifications

Diploma in Information Management
January 11, 2010 - September 24, 2008

Industry Experience

Software & Internet, Computers & Electronics, Media & Entertainment, Professional Services, Retail