We're AI engineers who obsess over retention.
Churnless AI is an AI engineering studio. We don't sell SaaS — we build custom AI systems for growth-stage companies that are serious about understanding why customers leave, and serious about stopping it.
Why Churnless Exists
Most SaaS companies have the data to predict churn. The events are tracked. The behavioral signals are there. But the gap between "we have data" and "we have a working AI system acting on that data" is enormous — and almost nobody has the engineering team to bridge it internally.
That's the gap we fill. We bring 10+ years of data science and AI engineering experience directly into your product — building the models, the pipelines, and the agents that turn your existing data into retention-driving intelligence.
We've worked with SaaS companies from seed stage through Series C, across verticals from food delivery to developer tools to enterprise software. Every engagement is custom because every churn problem is unique.
Sebastian Cajamarca
Founder & AI Engineer
Data scientist and AI engineer with 10+ years of experience building ML systems, multi-agent pipelines, and data infrastructure for growth-stage startups. Based in Pompano Beach, Florida.
How We Work
Three principles that shape every engagement we take on.
Your Data Stays Yours
We build AI systems that run on your infrastructure. No third-party SaaS storing your customer data. Every model, every pipeline, every agent is yours to own.
Outcomes, Not Dashboards
We don't deliver pretty charts — we deliver working AI that changes what your team does every day. Every engagement is measured against retention and revenue impact.
Custom, Not Generic
No off-the-shelf playbooks. We study your specific product, your user behavior, and your business model to build models that actually reflect how your customers churn.
Let's build something together.
If you're serious about retention and want to talk to an AI engineer who will actually build it — not sell you software — this is the call.
Book a Free Discovery Call →