BigCommerce Interview Guide (2026): E-Commerce Platform Engineering

BigCommerce

bigcommerce.com ↗

BigCommerce is the SaaS e-commerce platform competing with Shopify — used by 60K+ stores and many enterprise brands. The interview emphasizes multi-tenant SaaS, store customization, and the realities of being the runner-up to Shopify in a competitive market.

Process

Recruiter screen → 60-minute coding phone (DSA medium) → onsite virtual: 2 coding, 1 system design, 1 craft deep-dive, 1 behavioral. Cycle: 3–4 weeks.

What they actually ask

  • Design multi-tenant catalog and storefront system
  • Design a flexible theme/template engine
  • Design a payment integration framework supporting multiple processors
  • Coding: medium DSA, often with multi-tenancy framing
  • Behavioral: customer focus, ownership, navigating mature SaaS

Levels and comp (2026)

  • SE II: $135K–$170K total
  • Senior SE: $200K–$260K
  • Staff: $290K–$380K
  • Principal: $400K–$520K

Prep priorities

  1. Be fluent in PHP (legacy core) and Node.js/TypeScript (newer services)
  2. Understand multi-tenant SaaS architecture
  3. Brush up on e-commerce protocols and payment processing

Frequently Asked Questions

Is BigCommerce remote-friendly?

Hybrid in Austin (HQ), Sydney, San Francisco. Many engineering roles remote within US.

How does BigCommerce compare to Shopify?

Shopify is the dominant SMB platform; BigCommerce wins more enterprise deals. Shopify engineering pays meaningfully more on equity. BigCommerce comp is mid-tier; benefits and culture solid.

What is the engineering culture?

Mature SaaS — predictable, customer-focused, healthy work-life balance. Less competitive than Shopify but stable.

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