# Mifan.io > Senior Frontend & Shopify Systems Engineer delivering artisan web engineering, custom Shopify OS 2.0 architectures, bespoke WordPress CMS platforms, and high-performance wireframe-to-code implementations with zero hallucinations. ## Core Services - [Shopify Development](https://mifan.io/#shopify-development): End-to-end Shopify OS 2.0 theme development, custom Liquid architecture, GraphQL/REST Admin API integrations, checkout customizations, and CRO calibrated for 95+ Lighthouse scores ($2,988 USD). - [WordPress & Headless CMS](https://mifan.io/#wordpress-development): Bespoke WordPress theme and plugin development, custom Gutenberg blocks, REST endpoints, and WooCommerce optimization with sub-second TTFB ($2,488 USD). - [Wireframe to Code](https://mifan.io/#wireframe-to-code): Pixel-perfect conversion of Figma/Sketch designs into responsive, accessible HTML/CSS, React, Vue, or Shopify Liquid with modular design tokens ($988 USD). - [Surgical Bug Fixes](https://mifan.io/#bug-fixes): Rapid 24-48h triage and resolution for layout regressions, CSS bugs, and JavaScript exceptions with pull request documentation ($98 USD). - [Monthly Support & Maintenance](https://mifan.io/#monthly-support): 24/7 dedicated engineering care, security patching, performance monitoring, automated backups, and continuous sprint velocity ($4,988 USD/mo). ## Publications & Engineering Articles - [Why Bad Requests Lead to Buggy Code](https://mifan.io/publication/bad-requests-buggy-code): The engineering perspective on how ambiguous client requirements cause software defects and practical frameworks for drafting airtight technical specifications. - [Publishing a Shopify Theme: The Tactical Guide](https://mifan.io/publication/publishing-shopify-theme-tactics): Practical blueprint for building, certifying, and submitting high-performance themes to the official Shopify Theme Store. - [Running Local LLMs on M3 Ultra (128GB RAM)](https://mifan.io/publication/local-llm-m3-ultra): Complete setup guide, quantization benchmarks, and inference tuning for running multi-model local AI workstations on Apple Silicon. - [WordPress Custom Loop Optimization for Modern Web Apps](https://mifan.io/publication/wordpress-custom-loop-optimization): Architectural guide to structuring performant WP_Query loops, indexing, and transient caching in high-traffic production environments. ## Background & Experience - [Developer Story & Career History](https://mifan.io/story): Full biography, career track record across Grain Group, Skycoin, and Get Dialog B.V., engineering philosophy, and client testimonials. - [White-Label Agency Partnerships](https://mifan.io/#partnership): Dedicated silent engineering partner model for creative agencies, design studios, and tech consultancies worldwide. ## Optional - [Privacy Policy](https://mifan.io/#privacy): Client confidentiality, NDA compliance, and data privacy policies. - [Terms of Service](https://mifan.io/#terms): Service agreements, payment terms, and intellectual property transfer details. - [LinkedIn Profile](https://www.linkedin.com/in/mifantwan): Verified career history and professional network. - [GitHub Profile](https://github.com/mifantwan): Open-source repositories and code contributions. - [WhatsApp Direct Contact](https://wa.me/6281372441985): Direct mobile channel for immediate sprint bookings and technical inquiries. - [Email Inquiries](mailto:me@mifan.io): Direct asynchronous contact for project proposals and request-for-quotes.