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Posted April 2026. This role may already be filled. Kept as a salary reference point.

Salary reference

Founding Engineer

Temper
[F] stable
USD 150,000 - USD 250,000
TypeScript Effect Bun PostgreSQL Kubernetes AWS
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Temper | Founding Engineer | SF (In-Person) | $150K–$250K + Equity | https://ontemper.com Every time two companies in the physical economy need to exchange data, someone builds a custom integration by hand. Analysts, engineers, QA. All manual. Every time. Google "EDI" if you haven't. It's wild.

We built AI agents that do the whole thing: gather requirements in plain English, write the integration code, test it, deploy it, fix it when it breaks.

We have paying enterprise customers and more demand than we can keep up with.

You'd be the first engineering hire. Agent orchestration, durable execution runtime, self-healing infra, most of the important architectural decisions haven't been made yet.

The founders built a logistics startup from pre-seed to 400+ people. We've been dealing with broken integrations for years.

TypeScript, Effect, Bun, PostgreSQL, K8s, AWS. Paid work day. Under 2 weeks to offer.

work@ontemper.com, mention HN

Source: Hacker News “Who is Hiring”, aggregated by StartupJobList.