“

Marketing without engineering is just noise. True growth lives at the intersection of psychology, data architecture, and relentless experimentation.

— Julian Vance, Technical Growth Marketer
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Trajectory

2021 - Present

VP of Growth & Data Strategy

DataPulse Analytics Inc.

  • Architected a server-side tracking infrastructure utilizing GTM and Node.js, increasing data fidelity by 45% post-iOS 14.
  • Engineered an automated lead-scoring algorithm using Python and HubSpot API, reducing sales cycle duration by 22%.
  • Led a cross-functional team of 8 (developers and creatives) to deploy dynamic landing pages via Vue.js, resulting in a 3.4x lift in conversion rates.
  • Optimized marketing database queries by 40%, drastically reducing BI dashboard load times for executive stakeholders.
2018 - 2021

Senior Marketing Technologist

ElevateHQ SaaS

  • Developed a programmatic SEO engine generating 10,000+ localized landing pages dynamically from a Postgres database.
  • Spearheaded the migration of the core marketing site from WordPress to a headless Jamstack (Next.js/Sanity), decreasing TTFB by 1.2 seconds.
  • Implemented predictive churn models leveraging user event data via Segment and Mixpanel integrations.
2015 - 2018

Frontend SEO Specialist

Nexus Digital Media

  • Rebuilt core component architecture in vanilla JavaScript to eliminate render-blocking resources across 5 high-traffic client portals.
  • Executed technical SEO audits resolving complex crawl-budget issues, indexing anomalies, and schema.org validation errors.
  • Boosted organic traffic by 180% year-over-year for a flagship e-commerce client through structured data and DOM optimization.

Technical Stack Radar

Frontend & Web

HTML5 / Modern CSS (Grid/Flex) 95%
Vanilla JavaScript (ES6+) 88%
Vue.js / React (for Marketing) 75%
Technical SEO & Core Web Vitals 98%

Backend & Data

Node.js / Express 70%
Python (Pandas, Scrapy) 82%
SQL (PostgreSQL / BigQuery) 85%
RESTful API Integrations 90%

MarTech & Tools

Google Tag Manager (Server-Side) 95%
GA4 / Looker Studio 92%
HubSpot CRM & Workflows 88%
Segment / Mixpanel (CDP) 80%
Cross-functional Leadership Agile Methodology Data-Driven Storytelling Vendor Negotiation Conversion Psychology

Deployment Showcase

Data visualization dashboard on a screen
Python BigQuery Looker Studio

Omnichannel Attribution Engine

Engineered a custom multi-touch attribution model bridging offline CRM data with online advertising touchpoints. By piping Facebook, Google, and LinkedIn ad data into BigQuery via Python scripts, we identified a 30% misallocation in ad spend, re-routing budget to high-intent automated email sequences.

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Person typing on laptop looking at analytics
Vanilla JS A/B Testing CSS Grid

Frictionless Checkout Architecture

Led a complete DOM overhaul of a legacy e-commerce checkout flow. Implemented asynchronous validation, skeleton loaders, and Neumorphic micro-interactions using pure CSS/JS. The resulting split test showed a statistical significance in cart abandonment reduction, resulting in high-impact annualized revenue growth.

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Close up of computer code on monitor
Node.js Webhooks HubSpot API

Lead Sync Middleware

Developed a custom Node.js middleware application hosted on AWS Lambda to capture, sanitize, and enrich incoming webhook payloads from various disparate lead-generation forms before injecting them into the enterprise CRM. This eliminated manual data entry and resolved critical duplicate record errors.

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Abstract architectural structural lines representing infrastructure
Next.js Sanity CMS SEO

Headless B2B Corporate Portal

Architected the migration of a heavy, monolithic WordPress site to a decoupled Jamstack environment. Implemented programmatic semantic HTML, dynamic XML sitemaps, and optimized image delivery pipelines, achieving perfect 100/100 Google Lighthouse scores across all Core Web Vitals metrics.

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Professional Endorsements

"Julian is a rare breed. He speaks the language of the marketing department and the engineering team with equal fluency. He doesn't just ask for features; he brings functional prototypes and data-backed business cases. He fundamentally changed how we approach user acquisition."

Sarah Jenkins

Chief Marketing Officer

"Working with Julian means your codebase won't be filled with bloated tracking scripts. He understands the critical balance between gathering necessary analytics and maintaining exceptional front-end performance. A true asset to any cross-functional digital squad."

Marcus Chen

Lead Frontend Engineer

"His ability to deconstruct complex user journeys and apply rigorous technical solutions is unmatched. Julian took our chaotic database of fragmented user events and turned it into a crystal-clear, actionable dashboard that the entire executive board relies on daily."

Elena Rodriguez

VP of Product

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