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WHAT I BRING TO THE TABLE: • 20+ years of web development experience – front- to back-end, and everywhere in-between. • Design background (print and web), with extensive graphic editing and production experience. • A keen ear, developed from audio content production and editing, including music and voiceover. • Strong communication, plus copy editing and technical documentation expertise.…WHAT I BRING TO THE TABLE: • 20+ years of web development experience – front- to back-end, and everywhere in-between. • Design background (print and web), with extensive graphic editing and production experience. • A keen ear, developed from audio content production and editing, including music and voiceover. • Strong communication, plus copy editing and technical documentation expertise.

Jeff Zinn

Full Stack Developer, Web Developer, Front-End Developer, +4

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WHAT I BRING TO THE TABLE: • 20+ years of web development experience – front- to back-end, and everywhere in-between. • Design background (print and web), with extensive graphic editing and production experience. • A keen ear, developed from audio content production and editing, including music and voiceover. • Strong communication, plus copy editing and technical documentation expertise.…WHAT I BRING TO THE TABLE: • 20+ years of web development experience – front- to back-end, and everywhere in-between. • Design background (print and web), with extensive graphic editing and production experience. • A keen ear, developed from audio content production and editing, including music and voiceover. • Strong communication, plus copy editing and technical documentation expertise.

Available to hire

Palm Beach Gardens, United States

WHAT I BRING TO THE TABLE:

• 20+ years of web development experience – front- to back-end, and everywhere in-between.
• Design background (print and web), with extensive graphic editing and production experience.
• A keen ear, developed from audio content production and editing, including music and voiceover.
• Strong communication, plus copy editing and technical documentation expertise.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Spanish; Castilian

Beginner

Work Experience

Full-Stack Developer at Cosmic Media LLC, Dev Team

January 1, 2021 - July 1, 2025

Front-end development for the Cosmic site (Webflow); JavaScript-driven product population from APIs; form validation and opt-in API calls. Built astrology.TV Video Sales Letter as a SPA (jQuery, Symfony) with dynamic video concatenation (FFmpeg) and API integration. Managed site migration, deployments, bug fixes, and data-source management for Daily Future Forecast numerology app (PHP/MySQL). Implemented daily reading audio generation and PDF report; designed UI elements. Created JS snippet library for form validation and personalized content on Unbounce pages for Numerologist.com and astrology.TV. Coordinated with support to resolve digital product purchase issues.

Web Developer & Release Manager at Numerologist.com, Dev Team

June 1, 2018 - December 1, 2020

Coordinated launch of customer digital product fulfillment site (Node.js/Express/MongoDB/Handlebars); site enhancements, bug fixes, and testing of new features. Maintained dynamic PDF report generator (PDFKit) and created new reports. Maintained Python-based REST APIs for customers, orders, products, and content; delivered real-time numerology calculations. Evaluated code changes before production via GitLab; developed YAML CI/CD for releases. Converted Photoshop layouts into dynamic, personalized sales pages and set up A/B tests on Convert.com to maximize conversions.

Digital Content Producer at PubWorX LLC, Publishing Technology Team

February 1, 2017 - January 1, 2018

Migration of 21 Hearst digital magazines to cloud-based production system (WoodWing Inception) and e-reader platform (MAZ). Improved digital subscriber UX by researching and implementing advanced image compression (ImageMagick, pngquant, mozjpeg), reducing digital issue payloads by up to 75% while preserving quality.

Manager, iOS Team at Hearst Magazines, App Lab Development Team

June 1, 2013 - January 1, 2017

Led transition to Agile for a team of nine iOS developers; managed sprint ceremonies and collaboration with product owners. Produced JSON-based Apple News Format templates for 20 Hearst brands and advised on Apple News platform presentation with News Operations.

Senior Technical Producer at Hearst Magazines, eReader Team

January 1, 2011 - May 1, 2013

Improved App Store ratings by enabling retina assets; created utilities to generate retina/non-retina iPhone packages. Added HTML5 widgets to Food Network Magazine app and enabled persistent storage via web SQL to SQLite. Co-produced Popular Mechanics iPad edition (Photoshop layouts to animated, interactive articles).

Full-Stack Developer at Sonic Boom, Inc.

August 1, 2006 - December 1, 2010

Redesigned ToneMaker DJ web app for online ringtone creation and downloads; moved device detection and fulfillment in-house; built co-branded sites for 24 Entercom radio stations; supported customer issues via email. Built RESTful scoring API for Rhythm Zone PC Game (Ruby on Rails) with secure API key authentication. Created companion sites for multiple mobile apps.

Freelance Web Consultant at Zinn Design & Development

January 1, 2001 - Present

Completed one-off and ongoing freelance projects (banner ads, email newsletters, full website development) for clients including United Way NYC, Sony USA, Ziff Davis, National Geographic, The September 11th Fund, and Online Publishers Association.

Web Designer at GiftCertificates.com

August 1, 1999 - December 1, 2000

Redesigned checkout for usability; designed a customized web TV interactive site; created pop-up and banner ads, plus HTML emails; produced print materials for national ads and Times Square billboard.

Graphic Designer at Munder Capital Management

January 1, 1997 - January 1, 1999

Graphic design support for investment communications and marketing materials.

Graphics Consultant at Palace Sports & Entertainment

January 1, 1997 - January 1, 1997

Graphics consultant providing design support.

Graphic & Web Designer at Burlington Multimedia

January 1, 1995 - January 1, 1997

Graphic and web design work for various projects.