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Kastle

AI agents for mortgage servicing

Y CombinatorSummer 2024ActiveB2B

What they do

Problem

Mortgage servicers and lenders struggle to handle phone-based servicing and follow up on online inquiries efficiently, leading to missed payments and lost customers.

Solution

An AI voice agent that automates mortgage servicing calls to collect payments, verify borrowers, and qualify new loan inquiries.

Who it's for

Mortgage servicers and traditional financial services companies that handle borrower servicing and inbound loan inquiries.

Founders

Rishi Choudhary
Founder

Rishi is the co-founder and CEO of Kastle (www.kastle.ai) Before Kastle, Rishi was the founding Product Manager for Redfin’s Mortgage Marketplace at age 22 and grew the business from $3M to $6M in revenue in 9 months. He also led Redfin's Search Experience team responsible for 80% of the company's traffic. Rishi has a BS in Systems Engineering from the University of Illinois at Urbana Champaign. At UIUC, Rishi ran the largest US student consulting club with 250 students and $500K ARR

Nitish Poddar
Founder

Nitish is the co-founder and CTO of Kastle (kastle.ai). Before Kastle, Nitish was a tech lead at Verkada, where he led development for a patented motion search system and built out the entire backend inference infrastructure. He also led the firmware delivery team on a new fleet management system and led engineering for Incident Management, Verkada's newest product line. Nitish graduated from UIUC with a degree in Computer Science.

Open roles 5

Founding Engineer at Kastle (S24)
San Francisco, CA, US · Full-time · $150K - $210K · 0.50% - 1.00%
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Founding Applied AI Engineer at Kastle
San Francisco, CA, US · Full-time · $180K - $220K · 0.50% - 1.10%
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Founder Intern (now and Summer 2026)
San Francisco, CA, US · Internship · $8K - $8.75K / monthly
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Forward Deployed Engineer
San Francisco, CA, US · Full-time · $140K - $200K · 0.40% - 0.80%
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Agent Success Manager
San Francisco, CA, US · Full-time · $140K - $180K
Apply ↗

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