Kastle

AI Trainer (Part-time)

AI Trainer

Part-time AI Trainer with mortgage industry experience; 5+ years in customer service for a mortgage servicer; remote work; ~10 hours/week.

Product Engineer

2 years in a technical role at a developer-focused or infra/SaaS company; experience with APIs, webhooks, basic SQL, and Python/JS.

Founding Applied AI Engineer

Applied AI Engineer

2+ years building and deploying ML/AI systems in production; Python and deep learning frameworks (TensorFlow, PyTorch); experience with LLM orchestration (LangChain, LlamaIndex); track record shipping AI products; strong product mindset; good cross-functional communication.

Founding Account Executive

Account Executive

GTM leadership with experience selling to regulated financial sectors; outbound/ABM; pilots and executive demos; complex negotiations.

Founder Intern (now and Summer 2026)

Founder Intern

Internship role in person in San Francisco. Highly resourceful, fast learner, detail-oriented, highly technical, able to start soon.

Forward Deployed Engineer

At least 1 year of engineering experience and 1 year of customer-facing experience; proficiency in Python or Java or similar; able to build APIs and backend systems; strong customer focus and attention to detail.

Founding Engineer

Engineer

Strong backend, real-time systems, Python, distributed systems, database design, ownership.

Title	Location	Date
AI Trainer (Part-time) Part Time · $62K/yr · 5+ YOE United States · Remote	United States Remote	Mar 10, 2026
Product Engineer Full Time · $120K-$160K · 2+ YOE San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Jan 19, 2026
Founding Applied AI Engineer Full Time · $180K-$250K · 2+ YOE San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Nov 22, 2025
Founding Account Executive Full Time San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Oct 13, 2025
Founder Intern (now and Summer 2026) Full Time · $100K San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Sep 9, 2025
Forward Deployed Engineer Full Time · $140K-$180K · 1+ YOE San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Sep 9, 2025
Founding Engineer Full Time · $130K-$200K San Francisco, California, United States · Onsite	San Francisco, California, United States Onsite	Sep 9, 2025

Activities	AI voice agentsMortgage workflow automationCustomer service automationAutomated payment processingLead qualification software
Headquarters	US
Industries	Financial TechnologyArtificial Intelligence
Name	Kastle
Employees	8
Type	Private
Tagline	Automates mortgage lending workflows using AI-driven voice agents.
Founded	2,024
Website	kastle.ai
Latest Funding Round	Seed
Latest Funding Year	2,025
Latest Funding Amount	2,300,000
Latest Investors	Y CombinatorCommerce Ventures

Kastle

About Kastle