Dean SchlenkerReal-World Work Since 1995

2021–2026

Full-Stack Web, SaaS & Blockchain Development

16 real-world projects from this period.

Back to full timeline

2021–2026

Full-Stack Web, SaaS & Blockchain Development

16 real-world projects from this period.

Hyperlocal marketing by a budget that fits
2021–2026

Full-Stack Web Application & SaaS Development

Building custom web applications, SaaS platforms, and dashboards using React, TypeScript, Node.js, and modern frameworks. Creating client-facing tools that automate lead management, reporting, and campaign tracking.

ReactTypeScriptNode.jsSaaSFull-Stack Development
2022

LeadFlow SaaS Dashboard

React + TypeScript + Node.js + Supabase platform for a marketing agency (40 clients). Real-time lead scoring, campaign ROI tracker, automated reporting. → Agency now manages 3× clients with same headcount.

ReactTypeScriptNode.jsSupabaseSaaS
2023

Contractor CRM + Booking Portal

Full-stack SaaS for an HVAC/plumbing multi-location company with React frontend, Node backend, AI lead routing, and technician dispatch map. → 52% faster job booking, 38% reduction in no-shows.

ReactNode.jsAI RoutingCRMDispatch System
2024

Influencer Brand Analytics Hub

Custom SaaS tracking TikTok/Instagram ROI, affiliate payouts, and content performance for a fashion brand network. Built in 6 weeks. → Brand scaled from 12 to 87 influencers in 4 months.

SaaSAnalyticsTikTok APIInstagram APIAffiliate Tracking
2021–2026

Blockchain & Web3 Application Development

Built decentralized applications, smart contract interfaces, crypto payment systems, NFT platforms, and blockchain-integrated websites. Coded Web3 wallets, token dashboards, and DeFi project front-ends.

BlockchainWeb3Smart ContractsDeFiNFT PlatformsCrypto
2022

NFT Membership Platform for Fitness Franchise

ERC-721 NFTs on Polygon with staking, loyalty rewards, and smart-contract gated access to classes. Web3 wallet login integration. → 9,400 NFTs sold in 3 months, +31% member retention.

ERC-721PolygonStakingWeb3 WalletSmart Contracts
2023

Crypto Payment Gateway for Luxury E-Commerce

Built payment dApp + smart contracts (USDC + ETH) with instant settlement and on-chain receipts for a luxury watch retailer. → 0% chargeback rate, saved $47K/year in processing fees.

dAppUSDCETHSmart ContractsOn-Chain Receipts
2023

DeFi Yield Dashboard for Token Project

React + Web3.js frontend + smart-contract staking UI with real-time APY calculator for a new DeFi protocol. → $2.1M TVL in first 30 days post-launch.

ReactWeb3.jsDeFiStaking UIAPY Calculator
2021–2026

Custom Website Design & Development

Designing and coding modern websites using React, WordPress, and custom frameworks with lead capture, booking systems, and analytics.

ReactWordPressWeb DesignResponsiveSEO
2023

High-Conversion React Site for Solar Installer

React + TypeScript + AI chatbot + instant quote calculator built for a solar installer. → 19% conversion rate.

ReactTypeScriptAI ChatbotQuote Calculator
2024

WordPress + AI Booking System for Plumber

Custom booking system + GBP integration built on WordPress + Elementor with AI scheduling. → 4.2× more inbound calls.

WordPressElementorAI BookingGBP Integration
2024

Internal React Site Builder for Agency

Built an internal React-based site builder tool used to deploy 60+ client websites rapidly with consistent design systems.

ReactSite BuilderAgency ToolDesign System
2024

DAO Governance & Voting dApp

Built a full DAO governance platform with on-chain proposal creation, token-weighted voting, and treasury management on Ethereum. React + ethers.js frontend with Snapshot integration. → 2,400 active voters in first quarter.

DAOGovernanceEthereumethers.jsSnapshotTreasury
2025

Real-Time Fleet Tracking SaaS Platform

Full-stack SaaS with GPS tracking, route optimization, driver performance analytics, and customer ETA notifications for a logistics company. React + Node.js + WebSockets. → 28% fuel cost reduction, 94% on-time delivery.

ReactNode.jsWebSocketsGPS TrackingRoute OptimizationSaaS
2024

High-Converting Funnel System for Med-Spa Chain

Built a complete digital revenue engine — conversion-optimized React website, multi-step booking funnels, automated email/SMS sequences, and analytics dashboard. Not just 'design' but a system that generates leads and revenue. → 340% increase in booked consultations, $1.8M attributed revenue in first year.

ReactConversion FunnelsRevenue EngineAnalyticsAutomation
2025

E-Commerce Revenue Engine with AI Personalization

Built a full-stack e-commerce platform with AI-powered product recommendations, dynamic pricing, personalized landing pages, and conversion tracking. 73% of customers expect personalized experiences — this system delivered. → 4.7× ROAS, 61% increase in average order value.

E-CommerceAI PersonalizationDynamic PricingReactFull-Stack