Megan Sigsworth

Megan Sigsworth

Shopify Technology Leader

Career software engineer specializing in Shopify Plus and Node.js with 10+ years across brand-side, agency, and Shopify app/AI teams. Expertise includes Liquid, JavaScript, CSS, Tailwind, GraphQL, middleware engineering, and backend systems connected to Shopify.

Key Competencies

JavaScript, Node.js, React, Vue, Web Components, Tailwind, Liquid, Shopify Plus, Checkout Extensions, GraphQL, Google Cloud Functions, Django, MySQL, SEO, Core Web Vitals, SpeedCurve, internationalized storefronts.

Professional Experience

Trellis client brand work: view details.

Thrive Causemetics, Inc. — Senior Software Engineer

Jul 2024 – Present

  • Resolved middleware asset overage and saved roughly $500K in potential loss.
  • Cut load times by ~0.5s on high-revenue PDPs.
  • Leading platform migration to native Shopify for lower cost and AI capabilities.

Birdy Grey — Senior Software Engineer

Jul 2022 – Jul 2024

  • First in-house engineering hire; owned storefront architecture and SDLC rollout.
  • Built made-to-order system with metafield messaging across PLP, PDP, cart, and checkout.
  • Routed order data to Fulfil.io and built headless shipping updates via Aftership flows.
  • Work coincided with revenue growth from roughly $80M to $180M.

Trellis — Technical Lead

Sep 2021 – Jul 2022

  • Led a team of 4 engineers while shipping Shopify Plus enhancements for enterprise D2C clients.
  • Built integrations across Recharge, Rebuy, Yotpo, and Swell Rewards ecosystems.

Datumix, Inc. — Product Manager / Early Engineer

Jul 2018 – Jan 2020

  • Managed global software and data teams for a Shopify app and KPI dashboard.
  • Led an ML team developing an AI-driven blog and product recommendation engine for Cosme’s blog, impacting 34.2 million daily users and powering customer-facing product upsells.

The Good Agency — Co-founder / Software Engineer

Jul 2013 – Jul 2022

  • Lead Engineer on standout builds including Enkel Art (editorial gallery search), Rocketbook (multi-region Shopify + localization), and Syna Jewels (luxury 0-to-1 launch with deep metafields and client training).
  • Broader portfolio across Trellis-era and agency work: Conair Wetbrush, Kuiu, Johnny Cupcakes, West Paw, The Slow Label, Slate Milk, Nest NY, Sammy Hagar Red Rocker, RoboBurger, Cameler, Syna Jewels, and more.

Education

Bachelor of Arts, Experimental Psychology — Marymount Manhattan College (Sep 2008 – May 2012)