Dylan Kotzer

Full-stack & AI Engineer

Open to freelance projects and full-time engineering roles. Discuss a project or role.

Summary

Full-stack and AI engineer based in Toronto, with experience across IT operations, web development, and teaching software engineering. Built subscription products, browser extensions, retrieval assistants, and multi-agent experiments. Work spans interfaces, data models, integrations, deployment, code review, and technical communication. Open to freelance projects and full-time engineering roles.

Skills

AI & Agents
Agent Orchestration · Multi-Agent Systems · RAG · MCP (Model Context Protocol) · Tool Calling · Prompt Engineering · Claude / Anthropic API · OpenAI · Vercel AI SDK · Claude Code · Hermes Agent · OpenClaw · Vector Databases (Pinecone, Supabase pgvector) · LLM Cost & Token Optimization · Hybrid Model Routing (Local + Cloud) · LLM Evals & Observability · LLM Deployment & Fine-tuning · Workflow Automation & Scheduled Agents
Languages & Frameworks
TypeScript · JavaScript · Python · React 19 · Next.js 16 · Node.js · Express · GraphQL · Django · Tailwind CSS
Data
PostgreSQL · MySQL · MongoDB · Prisma · Drizzle · Redis · Neon · Supabase
Cloud & DevOps
AWS · Vercel · Docker · CI/CD · Cloudflare · Google Cloud · Azure
Automation & Integrations
n8n · Make · Zapier · Airtable (incl. OAuth) · Stripe · Browser Extensions · Web Scraping
Quality & Observability
Playwright · Cypress · Sentry · Axiom · OpenTelemetry

Experience

Full-stack & AI Engineer · DK Solutions

2023 - Present
  • Built this site's streaming assistant with server tools, browser actions, and structured project intake
  • Built Airtable Base Doctor, connecting read-only OAuth access to schema diagnostics, interface previews, and redesign reports
  • Built TweetNet, a social simulation with configurable AI personas and generated posts and interactions
  • Work across application code, data models, integrations, deployment, and support

Lead Developer (AI Tooling) · The Shift Weight Loss Program (Dr. Ashley White, MD)

Feb 2025 - Jun 2025
  • Built internal AI-assisted tools for practitioner workflows
  • Worked with healthcare team members on requirements, usability, and handling sensitive information
  • Delivered web tools for documentation and program management

Lead Developer · CamelCollect

2023 - Present
  • Built capture and collection workflows across browser extensions and the web app
  • Implemented subscription billing and entitlement checks
  • Handled deployment, diagnostics, support, and product changes

Instructional Associate · General Assembly

2022 - 2023
  • Reviewed student code and helped debug unfamiliar codebases
  • Guided students through full-stack architecture and implementation choices
  • Explained development fundamentals and maintainable coding practices

Web Developer · Dr. Anne Hussain

Jun 2015 - Present
  • Built web applications and online learning experiences
  • Developed the book, blog, and podcast platform with a retrieval assistant
  • Maintained hosting and publishing workflows, including email integrations

IT Head · Samko and Miko Toy Warehouse

Apr 2007 - Apr 2020
  • Supported the transition from in-person retail to online sales workflows
  • Managed cloud and local infrastructure, security, backups, and recovery practices
  • Built reporting and automation for inventory and orders
  • Maintained the website backend

Selected projects

A web app and browser extensions for saving LinkedIn posts into organized collections, with onboarding and subscription billing.

Next.jsTypeScripttRPCPrismaPlanetScaleUpstashClerkStripe

A book, blog, and podcast platform with an assistant that retrieves published passages and presents source citations.

Next.jsTypeScriptOpenAIRAGStripePrisma

An Airtable review app that checks schema and sample records, then generates interface previews, redesign proposals, and migration plans.

Next.jsTypeScriptAirtableOAuthPrismaPostgreSQLOpenAIRecharts

A social simulation where configurable AI personas write posts and respond to one another in a shared feed.

Next.jsTypeScriptPrismaOpenAIVercelTailwind

Built this site's theme editor and streaming assistant. Published notes explain how one module manages theme changes, reduces CSS-variable writes, and checks those writes in tests.

Next.jsReactTypeScriptTailwind CSSVercel AI SDKPlaywright

Education

Software Engineering Immersive · General Assembly

2022

Diploma in Acupuncture and Traditional Chinese Medicine · AIM Academy

2013 - 2016

Bachelor of Arts, Philosophy · McMaster University

2006 - 2010