Substack Interview Guide (2026): Newsletter Platform Engineering
1 min read Substack is the dominant subscription newsletter platform — millions of free and paid subscribers across thousands of writers. The interview […] Read interview guide
1 min read Substack is the dominant subscription newsletter platform — millions of free and paid subscribers across thousands of writers. The interview […] Read interview guide
1 min read ConvertKit (rebranded to Kit in 2024) is the leading creator-focused email platform — used by writers, podcasters, course creators, and Read interview guide
1 min read Mailchimp is the dominant SMB email marketing platform — owned by Intuit since 2021. The interview is email-platform-flavored with focus Read interview guide
1 min read BigCommerce is the SaaS e-commerce platform competing with Shopify — used by 60K+ stores and many enterprise brands. The interview Read interview guide
1 min read Instacart is the dominant US grocery delivery platform — partners with thousands of retailers. The interview is operations-heavy with focus Read interview guide
1 min read Faire is the dominant online wholesale marketplace — connects independent retailers with brands, processing billions in GMV. The interview emphasizes Read interview guide
1 min read Marqeta is the modern card issuing platform — powers cards for Square, Doordash, Instacart, and many fintechs. The interview is Read interview guide
1 min read Wise (formerly TransferWise) is the largest non-bank international money transfer platform — moves billions of dollars across borders monthly. The Read interview guide
1 min read Klarna is one of the largest buy-now-pay-later platforms globally — used by 150K+ merchants and 150M+ consumers. The interview emphasizes Read interview guide
1 min read Hopper is the mobile-first travel platform that pioneered ML-powered price prediction for flights and hotels. Used by tens of millions Read interview guide
1 min read Eventbrite is the dominant self-service event ticketing platform — used by millions of event organizers globally. The interview is e-commerce-flavored Read interview guide
1 min read Sysdig is one of the leaders in cloud-native security and observability — runtime security for containers and Kubernetes, plus monitoring. Read interview guide
1 min read Workato is one of the leading integration platform-as-a-service (iPaaS) products — connects 700+ applications with low-code automation recipes. Used by Read interview guide
1 min read Outreach is the leading sales engagement platform — sequences, personalized outbound, and AI-powered sales rep enablement. Used by 6000+ companies. Read interview guide
1 min read Gong is the leading revenue intelligence platform — captures sales calls, transcribes them, and uses ML to surface insights for Read interview guide