Brian Sullivan

Marketfuel • 2024 - 2025

Senior Full-Stack Web Engineer • April, 2024 — October, 2025

• Worked on a small team of developers to create a SaaS e-commerce platform for marketing agencies
• Acted as Project lead for integrations, including backend system design and development of user interfaces to support third-party API connections
• Collaborated in a startup environment to scale and modernize the platform while adding support for multi-tenancy and adhering to SOC2 compliance
• Performed security updates and dependency management, patching vulnerabilities and updating packages to maintain SOC2 compliance standards
• Developed new features and fixes end-to-end across React and Ruby on Rails codebases, designing idempotent Rails APIs consumed by the React frontend
• Wrote tests and automated pipelines for atomic code units, ensuring reliable test execution and reducing the test suite run time by 80%
• Worked in AWS to monitor, deploy, and scale services, helping to lower costs by 32%
• Utilized Sidekiq for multi-threaded background processing and automation tasks to improve page response times and reduce server load

Flashtalking by Mediaocean • 2015 - 2023

At Mediaocean I was an integral part of Feeds, a worldwide team that specializes in dynamic ad automation and feed-driven solutions. In 2023 I earned the Director role, leading the technical direction for our team.

Director, Feeds Automation & Engineering • Feb, 2023 — Sept, 2023

• Led technical direction and best practices for worldwide team utilizing a diverse tech stack, typically using PHP/Docker/AWS
• Reviewed pull requests, organized releases and led software deployments using Git, Bitbucket and Jenkins
• Managed routine review sessions of code and documentation to align and educate developers on each other's projects
• Developed reusable tools and software used internally and by clients, including wrappers to enable access to internal API flows
• Managed projects for display, social, and dynamic video campaigns

Senior Web Services Engineer • May, 2015 — Feb, 2023

• Built and managed high-availability services and applications that power billions of ad requests across the web
• Programmed automated data pipelines for ingesting and transforming client data (e.g. product APIs, catalogs) to create highly scalable APIs, applications and services used in ad serving
• Lead engineer responsible for data feeds, retargeting implementation, social ad creation, and dynamic video automation for hundreds of individual campaigns
• Worked closely with major international companies across industries including Tier 1 & Tier 2 Auto (Lexus, Audi, Nissan), travel (American Airlines, Southwest Airlines, JetBlue, Royal Caribbean), retail (Best Buy, Dell, Kohl's)

Theatermania

Full-Stack Web Developer • May, 2013 — November, 2014

• Full-stack developer for Theatermania.com and WhatsOnStage.com websites
• Developed and maintained custom CMS for high-traffic sites specializing in theater news, reviews and ticketing
• Created custom WYSIWYG article editor for writers
• Implemented new responsive front-end design

Inkwell Global Marketing

Full-Stack Web Developer • Jun, 2010 — March, 2013

• Lead full-stack developer creating branded internal stores for businesses
• Developed and designed internal store websites for brands such as ADP, Grant Thornton, NYU
• Leveraged E-Commerce platforms such as Opencart and Shopify while developing other sites from scratch
• Developed OpenCart modules to add custom functionality
• Created custom payment gateway flows (PayPal, employee discount programs, etc) and user authentication systems while adhering to PCI compliance rules

Programming Languages & Frameworks

TypeScript / JavaScript, Node.js, jQuery, React, Redux, Angular, Ruby / Ruby on Rails, PHP, Symfony, Laravel, Python, Jekyll, Tailwind, CSS, HTML, Markdown, SwiftUI

Cloud Platforms

AWS (EC2, ECS, S3, CloudFront), Google Cloud, Render, Railway, GitLab Pages

Databases

DynamoDB, MongoDB, MySQL, PostgreSQL

Caching

Redis, Memcached

DevOps & CI/CD

Docker, Jenkins, CircleCI

Version Control

Git, GitHub, Bitbucket

Testing & QA

Cypress, Playwright, RSpec, Postman

Monitoring & Observability

Bugsnag, Sentry, Grafana, AWS CloudWatch

AI & LLMs

OpenAI/Anthropic API integrations, prompt engineering, model evaluation, content moderation, workflow automation, AI MCP Integrations, NLP (Natural Language Processing)

Scripting & CLI

Bash, PowerShell

Project & Collaboration

Jira, Linear, Asana

Ad Tech & Social

Facebook Business Manager, Opal, Google AdSense, Google AdMob, TikTok Ads Manager, Snapchat Ads Business Manager

CMS

WordPress, Shopify, OpenCart

Background Jobs & Queues

Sidekiq, cron

Authentication & Security

OAuth, JWT, Single Sign-On (SSO), Content Security Policy (CSP)

Technical Proficiencies

REST applications, micro services, AI Integrations, data parsers, ETL pipelines, content management systems, large-scale data ingestion & retrieval, full-stack development

Stockton University

Bachelor of Arts, English & New Media Studies • 2004 — 2010

recipient of New Media Studies Award for social app "Treefingers"

newsquick.app

Founder, Developer • 2025 — Present

AI-powered news aggregator, iOS (SwiftUI) and web (Node.js) app.

deadreader.com

Founder, Writer • 2022 — Present

A personal blog about horror literature, including reviews and personal writing.