Matthew Fellows

San Francisco, CA (Open to Remote) • matt.fellows@gmail.com • LinkedIn • GitHub • vibe-coded.ai

Professional Summary

Marketing technology architect with 15+ years building AI-powered automation systems that drive measurable growth. Led initiatives delivering $1M+ ARR through lifecycle orchestration, cut operational overhead 90% through intelligent automation, and increased conversion rates 20%+ via data-driven experimentation. Expert in designing 0-to-1 martech systems, event architectures, and scalable workflows across B2C/B2B enterprises including Klaviyo, Bazaarvoice, and Riverbed.

Key Achievements

Built AI-assisted Figma to HubSpot code-generation pipeline at Klaviyo (2024), reducing build time 70% and driving template system adoption
Automated data imports with AI and rules-based logic at Klaviyo (2024), cutting manual operations 90% and accelerating lead routing by 3 days
Delivered $1M+ ARR through localized lifecycle orchestration at Klaviyo (2022–2024), shipping 600+ flows across global markets
Increased paid conversion rate 20% through behavioral signal engineering and multivariate testing at Klaviyo (2024)

Professional Experience

Klaviyo

Remote

Senior Lead Solution Architect

Dec 2024–Present (1 yr)

Built AI-assisted Figma to HubSpot code-generation pipeline; cut design-to-build time 70% and increased template system adoption
Automated data imports with AI and rules-based logic; reduced manual operations 90% and cut lead scoring and sales routing time by ~3 days
Owned operational data strategy for two AI product launches including event taxonomy, payload schema, identity mapping, and QA/user acceptance testing (UAT) validation
Partnered with data science to engineer behavioral signals and establish experiment frameworks (guardrails, KPIs, readouts)
Achieved 20% lift in paid conversion rate through multivariate testing and signal optimization
Reduced campaign activation time by 20% through process automation, enablement, and streamlined intake workflows

Lead Klaviyo Solution Architect

May 2022–Dec 2024 (2 yrs 8 mos)

Delivered a new compliance-focused lifecycle automation platform in less than 6 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 (LTV) modeling
Drove cross-functional efficiency wins saving approximately 100 sales hours per month and reduced automation costs by offloading 100M iPaaS tasks
Automated localization workflows; shipped 600+ localized flows and messages attributing more than $1M ARR

Marvel Marketers

Remote

Senior Solutions Architect

Oct 2021–Apr 2022 (7 mos)

Created a reusable config-based framework for generating custom Marketo and HubSpot templates reducing discovery and development time by over 80%
Automated ETL and analysis framework for Marketo assets for compliance auditing and cross-instance migration, reducing manual discovery effort 75% and enabling repeatable audits/migrations at scale

Solutions Architect

Oct 2018–Oct 2021 (3 yrs 1 mo)

Developed custom rules-based request intake system with token-based quotas to control email program volume ensuring 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 (11 mos)

Led technical solution design and implementation at 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 (GitHub, ZURB Foundation) improving delivery speed and reducing warranty work by 50%
Shipped custom JavaScript for cookie tracking and marketing attribution, and implemented Salesforce automation (Process Builder, 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 (2 yrs 2 mos)

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%, strengthening Sales pipeline efficiency
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 (3 yrs 11 mos)

Led full-stack marketing systems development including e-commerce platform upgrade, warehouse integration, and Zendesk migration—reducing support costs, improving operational efficiency, and enabling 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 (1 yr 8 mos)

Launched and localized Eloqua and web properties across multiple regions, introducing 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 (2 yrs 11 mos)

Led modernization of SaaS compliance e-learning platform, migrating legacy LMS to modern system and improving platform reliability through QA workflows and third-party integrations

Personal Projects

Vibe-Coded.ai

Remote

Creator and Lead Developer

Oct 2024–Present (1 yr 2 mos)

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 (6 yrs 6 mos)

Built a custom e-commerce CMS and storefront for managing photo catalog and framed prints

Technical Skills & Expertise

AI & Machine Learning

OpenAI/Anthropic APIs, GPT-4
Model Context Protocol (MCP)
Prompt engineering, LLM integration
AI-powered automation, ML pipelines

Marketing Platforms & CDP

Klaviyo, HubSpot, Marketo, Eloqua
Salesforce CRM, Marketing Cloud
Customer Data Platforms (CDP)
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 and multivariate testing
Lifecycle orchestration, journey mapping
Conversion rate optimization (CRO)
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, S3, EC2)
iPaaS (Zapier, Workato, Tray.io)
Cloudflare Workers, Heroku
API gateway, microservices

Certifications

Previously certified: Marketo Certified Expert (2016–2021)

Education

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