RuntimeJS

We build the runtime tools we wished existed.

RuntimeJS Inc. was founded in Austin, Texas in 2024 by a team of engineers who'd spent a decade fighting the same Node.js performance problems at every company they joined. We decided to fix it once, properly, with zero dependencies.

2024
Founded in Austin, TX
$8M
Series A — Aug 2025
1B+
Daily requests served by RuntimeJS

Meet the team

AT
Alex Thompson
Founder & CEO

Ex-Vercel staff engineer. Loves V8 internals.

LinkedIn
SC
Sarah Chen
Co-founder & CTO

Built Node.js worker_threads at Stripe.

LinkedIn
MR
Marcus Reyes
Staff Engineer, Performance

Wrote the streaming SSR runtime at OpenAI.

LinkedIn
PP
Priya Patel
Senior Engineer, Workers

Distributed systems @ Datadog for 7 years.

LinkedIn
DK
Daniel Kim
Engineering Lead, SSR

Authored two of the most popular React SSR libs.

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JW
Jordan Walker
Head of DevRel

Talks to developers all day. Writes Go for fun.

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Trust & compliance

  • • SOC 2 Type II audited (Q1 2026, Drata)
  • • 100% open source core, MIT licensed
  • • Zero third-party dependencies in core
  • • Quarterly third-party security audits
  • • GDPR + CCPA compliant
  • • US-based engineering team, Austin TX