# Infrastructure Engineer at Kastle

- Company: Kastle
- What the company does: One platform that keeps originations, fulfillment, and servicing moving 24/7, built for regulated work and connected to the systems you already use. Backed by Y Combinator.
- Company website: https://kastle.ai/
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco
- Work setup: On-site
- Pay: $180K to $275K base salary per year (USD)
- Posted: 2026-11-04
- Apply by: 2026-12-19
- Apply: https://jobs.ashbyhq.com/Kastle/7f0955a9-335d-49f7-937f-7f4563a688d1?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/kastle-infrastructure-engineer/

## About the role

Design and operate distributed systems that power AI agents in production, with an emphasis on consistency, fault tolerance, and horizontal scalability Architect service-to-service communication, coordination, and state management for systems spanning multiple regions and availability zones Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- At Kastle our Infrastructure team is responsible for building the underlying systems that help thousands of people daily, make their largest and most important financial transactions
- 5+ years in infrastructure, platform, or backend engineering roles, with substantial hands-on distributed systems experience
- Strong understanding of distributed systems fundamentals: consensus, replication, partitioning, consistency models (CAP/PACELC), and failure modes
- Production experience with at least one major cloud provider (AWS, GCP, or Azure) at scale
- Hands-on experience running Kubernetes in production, including cluster upgrades, networking, and security policy
- Experience designing or operating distributed data stores, message queues, or event streaming systems (e.g. Kafka, etcd, Cassandra, CockroachDB)

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/kastle-infrastructure-engineer/