SMS and email revenue platform built for Shopify ecommerce brands
Postscript runs a text-message revenue platform for Shopify merchants and is now pushing into email, with DKIM, DMARC and BIMI in the stack alongside Klaviyo, Braze and Iterable integrations. The infrastructure is mature for its size (Go, Rust, Kafka, Flink and Spark on AWS EKS with Karpenter and GitOps), and job-post pain points around single points of failure and technical debt show reliability work running in parallel with agentic AI builds.
Postscript is a privately held software company headquartered in Scottsdale, Arizona, with 201–500 employees. It provides an SMS marketing and sales platform that helps Shopify-based ecommerce stores turn text messaging into a primary revenue channel. The product connects with marketing tools such as Klaviyo, Braze and Iterable, and the company is expanding into email. Current hiring is concentrated in the United States across marketing, support, engineering and sales, weighted toward senior roles.
Postscript builds with Python, Go, Rust, React and TypeScript on AWS EKS with Kubernetes, Terraform and Karpenter, using PostgreSQL, Kafka, Apache Flink and Apache Spark for data.
Yes. Job posts reference an email product launch, and the stack includes email authentication standards DKIM, DMARC and BIMI alongside its core SMS platform for Shopify brands.
Postscript is headquartered in Scottsdale, Arizona, and currently hires in the United States, with accelerating hiring across marketing, support, engineering and sales.
Other companies in the same industry, closest in size
Postscript's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →
This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.