Senior Staff Software Engineer — Headless Shopify & E‑commerce

103644278; New York (NY); On-site; USD 170,000 - 183,000; Full time

Benefits offered by this job

Medical coverage

401k match

Equity in Mammoth Brands

Flexible time off

L&D stipend

Sabbatical leave

Job summary

Mammoth Brands, home of Lume and Mando, is seeking a Senior Software Engineer to advance our headless Shopify storefronts. You will own complex areas like storefront performance, subscriptions, loyalty, and integrations, and shape technical direction for a small, high-impact team.

You’ll collaborate with Product, Growth, Retention, Creative, and Analytics to align business needs with technology and to raise the bar for code quality and reliability.

Qualifications

• Substantial professional experience building and operating production e-commerce applications.
• Experience with headless Shopify and React Router; Shopify Hydrogen is important.
• Strong JavaScript/TypeScript, React, and front-end performance fundamentals.

Responsibilities

• Lead projects end to end on storefront initiatives.
• Maintain high quality, secure, testable code with good documentation.
• Drive technical decisions in a complex domain and build consensus.
• Create reusable components, runbooks, and technical documentation.
• Debug across the stack from Remix to edge integrations.

Skills

Headless Shopify on React Router

Remix data loading

React / JavaScript / TypeScript

Shopify Hydrogen experience

Testing / code review / observability

AI tooling experimentation

Communicating technical points of view

Tools

Storefront API

GraphQL

Webhooks / API integration

Edge infrastructure

Job description

Mammoth Brands, home of Lume and Mando, is seeking a Senior Software Engineer to advance our headless Shopify storefronts. You will own complex areas like storefront performance, subscriptions, loyalty, and integrations, and shape technical direction for a small, high-impact team.

You’ll collaborate with Product, Growth, Retention, Creative, and Analytics to align business needs with technology and to raise the bar for code quality and reliability.