The company
Build infrastructure worthy of the software it runs.
Aether Systems was founded on a simple refusal: that running AI at scale should require six teams, three runbooks, and a pager that never stops. We build the layer that removes that friction.
Founded 2024 · Amsterdam & San Francisco
60 people · $42M · Series B
What we believe
“We believe the bottleneck to AI progress is no longer the model — it's the infrastructure around it.”
“We believe determinism beats magic. You should always be able to explain why a request went where it went.”
“We believe the best systems are boring in the right places. Reliability is the feature people notice least — and never want to notice.”
How we work
Determinism first
No black boxes. Every scheduling decision is explainable, policy-driven, and auditable.
Attack the failure mode
We design for the day things break. Observability is not a luxury add-on, it's the first requirement.
Small, sharp teams
We keep teams small and ownership clear. Fewer handoffs, fewer meetings, more shipping.
Customers ship
Our north star is deployment time: how long between 'connect' and 'in production'.
The people
A small team with a very high bar.
Evelyn Osei
Co-founder · Chief Executive
Marc Cepeda
Co-founder · Chief Technology
Priya Joshi
Head of Platform
Tomás Lindqvist
Head of Product
Sofia Adeyemi
Head of Systems
Daniel Novak
Staff Engineer
With us
We're building the foundation for the next decade of compute.
If that sounds like work you want to do, we'd like to meet you.