Senior Software Engineer, Full Stack
Postscript (YC W19)
Postscript is an agentic retention marketing platform (SMS, RCS, Email) used by 20,000+ Shopify brands and is Series C. The role is a senior full-stack engineering position working on a ground-up rewrite of the platform in Rust, handling high-throughput messaging, deliverability, and data pipelines while owning problems end-to-end.
What you’ll do
- Rebuild the platform from the ground up in Rust
- Work on real scale problems including high-throughput messaging and deliverability
- Shape the architecture and own problems end-to-end
What they’re looking for
- Senior engineers comfortable across the stack
- Excited about Rust
- Willingness to own problems end-to-end and do greenfield work
Skills
- Rust: Rust, rewriting platform in Rust
- Messaging: SMS, RCS, high-throughput messaging, deliverability
- Data pipelines: data pipelines, high-throughput, scale
- AI: AI era, agentic
The post
Postscript (YC W19) | Senior Software Engineer, Full Stack | REMOTE (US, Canada) | Full-time | $180K to $220K base + equity
Postscript is an agentic retention marketing platform (SMS, RCS, Email) used by 20,000+ Shopify brands. We’re Series C and pacing toward profitability.
We’re rebuilding the platform from the ground up in Rust for the AI era, so the work mixes real scale problems (high-throughput messaging, deliverability, data pipelines) with a ton of 0 to 1 greenfield work where you shape the architecture.
Looking for senior engineers comfortable across the stack who are excited about Rust and like owning problems end to end. Fully remote team of ~250.
Apply: https://www.ycombinator.com/companies/postscript/jobs/ktOBqUe-senior-software-engineer-full-stack