Staff Software Engineer, DTC

The role

This is a senior individual contributor role on the Lume storefront team. You will own complex problem areas across headless Shopify architecture including storefront performance, subscription flows, and loyalty. You will lead projects end to end and translate business needs into technical solutions.

What you will do

• Lead projects end to end.
• Structure and break down work on storefront initiatives.
• Deliver secure, testable, maintainable, low-defect, efficient, and well documented work.
• Drive technical decisions in a complex domain.
• Build consensus across engineering and cross-functional partners.
• Produce exemplars, frameworks, shared components, runbooks, and technical documentation.
• Debug across the stack from Remix application to third-party platform integrations.
• Structure technical communication and documentation to achieve alignment.
• Map business needs to technology.
• Coach less experienced engineers.

Required qualifications

• Substantial professional experience building and operating production e-commerce applications.
• Headless Shopify on React Router.
• Storefront API, Remix data loading and routing patterns, caching strategy, and running a headless storefront at scale.
• Strong JavaScript/TypeScript.
• Modern React.
• Front-end performance fundamentals (Core Web Vitals, rendering strategy, bundle discipline).
• Experience integrating third-party SaaS platforms via APIs and webhooks.
• Fluency in testing, code review, observability, incident response, and releasing to production.

Nice to have

• Custom Shopify Apps (Admin and Storefront GraphQL APIs, OAuth, webhook handling, app extensions, Shopify Functions, and checkout extensibility).
• Recharge for subscriptions.
• LoyaltyLion for loyalty programs.
• Cloudflare for headless app hosting (Workers, caching, edge configuration, and WAF).
• Google Tag Manager and client-side measurement stack.
• Optimizely or comparable experimentation platforms.
• Experience in a DTC or subscription business.
• Experience with AI tooling.

Benefits

• Medical, dental, and vision coverage
• 401k match
• Equity in Mammoth Brands
• Flexible time off and working hours
• L&D stipend
• 4 weeks sabbatical after 5 years, 6 weeks after 10 years, and 8 weeks after 15 years
• 20 fully paid weeks off for parents who give birth, or 16 fully paid weeks off for all other paths to parenthood
• Fun IRL and virtual events including happy hours, team building events, and parties on our rooftop
• Free products from our family of brands

Before you apply

• Mammoth Brands will manage and submit necessary legal filings if visa sponsorship is required for work authorization.

About the company

Mammoth Brands is a modern CPG company behind brands Harry’s, Flamingo, Lume, Mando, and Coterie. It is a growing portfolio of brands and the largest CPG company built in the last 20 years.