Matthew Fellows

San Francisco, CA (Open to Remote) • matt.fellows@gmail.comLinkedInGitHubvibe-coded.ai

Professional Summary

Marketing technology architect specializing in AI-powered automation and product-signal-driven lifecycle systems. I design customer engagement infrastructure that connects product usage, activation, onboarding, transactional messaging, service signals, and expansion data across the customer journey. 15+ years of experience building scalable martech systems, event architectures, automation frameworks, and growth infrastructure across B2B and B2C environments, including Klaviyo, Bazaarvoice, Riverbed, and agency-side enterprise clients. Proven record delivering measurable impact, including $1M+ ARR through lifecycle orchestration, 90% operational overhead reduction through intelligent automation, and 20%+ conversion lift through behavioral signal engineering and experimentation.

Key Achievements

Professional Experience

Klaviyo

Remote

Senior Lead Solution Architect

Dec 2024–Present
  • Designed unified product custom objects linking product-level usage data with customer-specific signals, including role, activation state, onboarding progress, first-use behavior, service interactions, cross-sell readiness, and upsell indicators
  • Architected event-based product usage integrations between product systems and lifecycle platforms, enabling onboarding, activation, transactional, and customer-state-based messaging
  • Expanded lifecycle signal coverage across mobile, social, service, first usage, activation, cross-sell, and upsell programs to support more precise segmentation and journey logic
  • Scoped an end-to-end automation system for moving Monday.com campaign entries through content generation and into finalized email templates in Klaviyo and HubSpot
  • Implemented automated list import workflows with validation, routing, and rules-based processing to reduce manual operations and improve downstream data readiness
  • Launched transactional email automation patterns connecting customer, product, and lifecycle data to reliable triggered messaging
  • Built AI-assisted Figma-to-HubSpot code-generation pipeline, cutting design-to-build time by 70% and increasing adoption of reusable template systems
  • Owned operational data strategy for AI product launches, including event taxonomy, payload schema, identity mapping, QA, and UAT validation
  • Partnered with data science to engineer behavioral signals, define experiment guardrails, and achieve a 20% lift in paid conversion rate
  • Reduced campaign activation time by 20% through process automation, enablement, and streamlined intake workflows

Lead Klaviyo Solution Architect

May 2022–Dec 2024
  • Delivered a new compliance-focused lifecycle automation platform in less than six months in support of IPO readiness
  • Led a cross-functional task force building infrastructure, security controls, and governance around customer lifecycle messaging and marketing communications
  • Built the initial product-event pipeline, enabling marketing and transactional lifecycle orchestration and lifetime value modeling
  • Drove cross-functional efficiency wins by saving approximately 100 sales hours per month and reducing automation costs by offloading 100M iPaaS tasks
  • Automated localization workflows and shipped 600+ localized flows and messages, attributing more than $1M ARR

Marvel Marketers

Remote

Senior Solutions Architect

Oct 2021–Apr 2022
  • Created a reusable configuration-based framework for generating custom Marketo and HubSpot templates, reducing discovery and development time by more than 80%
  • Automated ETL and analysis framework for Marketo assets for compliance auditing and cross-instance migration, reducing manual discovery effort by 75% and enabling repeatable audits and migrations at scale

Solutions Architect

Oct 2018–Oct 2021
  • Developed custom rules-based request intake system with token-based quotas to control email program volume and ensure activations and engagement levels stayed within governance thresholds
  • Built multi-touch attribution tooling spanning JavaScript and Salesforce Apex/Flows for automated campaign tracking
  • Improved data reliability and reduced manual reconciliation through opportunity-level reporting automation

Martech Developer

Dec 2017–Oct 2018
  • Led technical solution design and implementation at a full-service marketing agency
  • Delivered scalable martech solutions for enterprise clients across SaaS, healthcare, and e-commerce verticals
  • Created an email-development workflow with code reuse and version control using GitHub and ZURB Foundation, improving delivery speed and reducing warranty work by 50%
  • Shipped custom JavaScript for cookie tracking and marketing attribution, and implemented Salesforce automation using Process Builder and Flow to streamline campaign execution
  • Rolled out development infrastructure for issue tracking and version control, improving collaboration and release reliability

Bazaarvoice

Austin, Texas

Marketing Operations Specialist

Aug 2015–Sep 2017
  • Led marketing requirements for a global lead-management reboot initiative, optimizing scoring and routing logic to improve lead handling speed and routing accuracy by 30%
  • Managed a global Marketo environment supporting multi-channel campaigns, architecting reusable template systems and automated campaign-in-a-box frameworks to reduce setup time by 50% and standardize execution across regions
  • Championed Marketing's participation in an enterprise Data Governance Council, ensuring alignment of business needs with system architecture and data standards across Marketo, Salesforce, and other key systems
  • Developed Tableau dashboards pulling marketing data into unified reporting views, providing real-time visibility into campaign performance and driving data-informed segmentation and targeting decisions

Chronicle Books

San Francisco

Marketing Systems Developer

Jul 2010–May 2014
  • Led full-stack marketing systems development, including e-commerce platform upgrades, warehouse integration, and Zendesk migration
  • Reduced support costs, improved operational efficiency, and enabled data-driven optimization through A/B testing and analytics

Riverbed Technology

San Francisco Bay Area

Contract Web Developer to Web System Technologist and Eloqua Administrator

Dec 2008–Jul 2010
  • Launched and localized Eloqua and web properties across multiple regions
  • Introduced standardized template libraries, mobile-friendly design, and version-controlled deployment processes that improved campaign consistency, developer quality, and sales–marketing alignment

ELT

San Francisco Bay Area

Help Desk Engineer to Learning Technology Consultant

Apr 2004–Feb 2007
  • Led modernization of a SaaS compliance e-learning platform, migrating a legacy LMS to a modern system
  • Improved platform reliability through QA workflows and third-party integrations

Personal Projects

Vibe-Coded.ai

Remote

Creator and Lead Developer

Oct 2024–Present
  • Built a playground for shipping bite-sized web experiences with Model Context Protocol (MCP) tooling baked in
  • Implemented zero-config discovery with automatic subdomain routing, storage, and AI agent integration
  • Designed WorkerStorageAdapter utilities for relational-style storage and KV config without database wiring
  • Created full MCP surface enabling type-safe function discovery and validation for AI agents (Claude, Cursor, ChatGPT)

Outstanding Photos

Remote

Principal

Jun 2019–Present
  • Built a custom e-commerce CMS and storefront for managing photo catalog and framed prints

Technical Skills & Expertise

AI & Machine Learning
  • OpenAI and Anthropic APIs
  • GPT-4
  • Model Context Protocol
  • Prompt engineering
  • LLM integration
  • AI-powered automation
  • ML pipelines
Marketing Platforms & CDP
  • Klaviyo
  • HubSpot
  • Marketo
  • Eloqua
  • Salesforce CRM
  • Salesforce Marketing Cloud
  • Customer Data Platforms
  • Snowflake
  • Segment
  • mParticle
Data & Analytics
  • SQL: PostgreSQL, MySQL, BigQuery
  • Event schemas
  • Identity resolution
  • ETL/ELT
  • Data pipelines
  • Tableau
  • Google Analytics
  • Attribution modeling
Growth & Experimentation
  • A/B testing
  • Multivariate testing
  • Lifecycle orchestration
  • Journey mapping
  • Conversion rate optimization
  • SEO/SEM
  • Personalization
Development & Engineering
  • JavaScript
  • Node.js
  • Python
  • Vue.js
  • HTML5
  • CSS3
  • Responsive design
  • REST APIs
  • Webhooks
  • SOAP
  • Git
  • CI/CD
  • Docker
Cloud & Integration
  • AWS Lambda
  • Amazon S3
  • Amazon EC2
  • Zapier
  • Workato
  • Tray.io
  • Cloudflare Workers
  • Heroku
  • API gateways
  • Microservices

Certifications

  • Previously certified: Marketo Certified Expert, 2016–2021

Education

B.A., Communication — University of Arizona (1999–2003)