# Shafin Sadnan > Product Engineer / Full-Stack Developer helping founders, businesses, agencies and operators build, improve, integrate, modernize and rescue web products and business systems. ## Work With Me - https://shafinsadnan.com/services - https://shafinsadnan.com/for-agencies - https://shafinsadnan.com/contact ## Proof / Case Studies - Tutorliy — https://shafinsadnan.com/case-studies/tutorliy-smart-tuition-matching - Rifat Academy — https://shafinsadnan.com/case-studies/lms-platform-migration-scale - DripGym — https://shafinsadnan.com/case-studies/dripgym-shopify-treatment-seo - Ketamine Wellness — https://shafinsadnan.com/case-studies/ketamine-wellness-local-seo - TiresDash — https://shafinsadnan.com/case-studies/tiresdash-wordpress-to-nextjs-migration ## Notes / Technical Writing - https://shafinsadnan.com/blog - https://shafinsadnan.com/blog/replace-google-places-autocomplete-without-rewriting-matching-system - https://shafinsadnan.com/blog/wordpress-vs-custom-web-application - https://shafinsadnan.com/blog/reusable-shopify-sections-service-pages ## About - https://shafinsadnan.com/about ## Accuracy Case studies describe implementation work and evidence-supported project facts. Revenue, ranking, conversion, traffic and unverified performance outcomes are not claimed unless explicitly supported on the relevant page. This file is an experimental agent-interoperability layer, not a Google ranking signal.