Dean Schlenker work history
Real-world work across three decades.
Dean Schlenker's work spans web design, email and sms outreach, custom marketing tools, on site AI chat bot and AI booking systems, social media marketing, local classified posting, automated posting, local organic SEO, organic SEO, Google Maps, SaaS, blockchain, and AI visibility.
1995Infrastructure & Outreach Systems
Built rack-mounted servers, configured SMTP software, and managed dial-up and leased-line infrastructure for early email marketing, hosting, and business communication systems before commercial platforms became common.
Custom SMTPServer FarmsNetwork Infrastructure
1996-1999Infrastructure & Outreach Systems
Built opt-in email lists from scratch using website sign-up forms, guestbook entries, and forum participation. Created weekly email newsletters for local businesses - promotions and updates that drove repeat customers.
Email ListsNewslettersOpt-In FormsList Management
2000-2005Automation & Local Classified Marketing
Set up and managed early Google AdWords campaigns with keyword research, ad copy, landing pages, tracking, and budget controls for local service and ecommerce businesses.
Google AdWordsPPCKeyword ResearchLanding Pages
2001-2004Automation & Local Classified Marketing
Coded custom PHP tools that auto-submitted websites to 200+ search engines and directories in one click. Built rank-checking scripts that tracked keyword positions across AltaVista, Yahoo, and early Google results daily.
PHPSEO ToolsAuto-SubmissionRank TrackingCustom Scripts
2007-2010Social & Reputation Projects
Ran early Facebook ad campaigns, built business fan pages, created engagement content, tested offers, and grew local audiences through paid and organic social media work.
Facebook AdsFan PagesShort-Form MarketingSocial Ads
2012-2015Mobile & Video Era
Rebuilt client websites with responsive design for the mobile-first era. Coded mobile-friendly navigation, touch-optimized forms, and fast-loading pages using CSS3 media queries and modern frameworks.
Responsive DesignMobile-FirstCSS3HTML5Web Development
2012-2015Mobile & Video Era
Built interactive front-end applications using modern JavaScript frameworks - AngularJS, Backbone, and early React. Created dashboards, booking systems, and client portals with real-time data and smooth UX.
JavaScriptAngularJSFront-End DevDashboardsWeb Apps
2016-2020Automation, Paid Media & Short-Form Marketing
Built custom web applications, admin dashboards, and client portals using modern JavaScript, React, and Node.js. Coded reporting tools, lead management systems, and campaign tracking platforms from scratch.
ReactNode.jsJavaScriptWeb ApplicationsDashboards
2016-2020Automation, Paid Media & Short-Form Marketing
Managed Google Business Profiles for businesses with multiple service areas. Built city-specific landing pages, location-based review campaigns, and geo-targeted ads ranking each location in its own Local 3-Pack.
Multi-Location SEOGBP ManagementCity PagesGeo-Targeting
2023Full-Stack Web, SaaS & Blockchain Development
Full-stack SaaS for an HVAC/plumbing multi-location company with React frontend, Node backend, AI lead routing, and technician dispatch map.
ReactNode.jsAI RoutingCRMDispatch System
2025Full-Stack Web, SaaS & Blockchain Development
Full-stack SaaS with GPS tracking, route optimization, driver performance analytics, and customer ETA notifications for a logistics company. React + Node.js + WebSockets.
ReactNode.jsWebSocketsGPS TrackingRoute OptimizationSaaS
2024AI Chatbots, Lead Scoring & Automation
GPT-powered service pricing + real-time availability for an HVAC installer.
GPT PricingReal-Time AvailabilitySame-Day Booking