---
title: "Application Design Patterns: Kensink Labs"
description: "Architecture patterns Kensink Labs builds with: RAG, multi-agent systems, event-driven, microservices, serverless, multi-tenant SaaS, CQRS, and headless."
source: "https://www.kensink.com/patterns/"
canonical: "https://www.kensink.com/patterns/"
---
ARCHITECTURE · DESIGN PATTERNS

# Patterns that survive production.

Architecture is a set of bets about what changes. We pick patterns for the failure modes you will actually hit, not the diagrams that look good in a deck.

[Start a conversation →](https://www.kensink.com/contact) [How we work →](https://www.kensink.com/expertise)

[

01

Engagement

## RAG

Ground an LLM in your data. See the full RAG engagement.

Existing engagement See the engagement

](https://www.kensink.com/llm/rag)[

02

Engagement

## Multi-agent systems

Tool-using, coordinated agents. See the full agents engagement.

Existing engagement See the engagement

](https://www.kensink.com/llm/agents)[

03

## Multi-tenant SaaS

Tenant isolation chosen deliberately, enforced at the data layer.

Capability Read more

](https://www.kensink.com/patterns/multi-tenant-saas)[

04

## Event-driven architecture

Decoupled services via events and queues, applied with care.

Capability Read more

](https://www.kensink.com/patterns/event-driven)[

05

## Microservices

Service boundaries drawn for the org, not the resume.

Capability Read more

](https://www.kensink.com/patterns/microservices)[

06

## Serverless architecture

Scale-to-zero compute for spiky, event-driven workloads.

Capability Read more

](https://www.kensink.com/patterns/serverless)[

07

## CQRS & Event Sourcing

Immutable event logs and split read/write models, applied surgically.

Capability Read more

](https://www.kensink.com/patterns/cqrs-event-sourcing)[

08

## Headless & API-first

API as the product. Any client, any frontend, one contract.

Capability Read more

](https://www.kensink.com/patterns/headless-api-first)

Share[](https://twitter.com/intent/tweet?url=https%3A%2F%2Fwww.kensink.com%2Fpatterns%2F&text=Application%20Design%20Patterns%20%C2%B7%20Kensink%20Labs)[](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fwww.kensink.com%2Fpatterns%2F)

[View .md](https://www.kensink.com/patterns.md)

\[EXPLORE THE STACK\]

[

Languages

Languages & Frameworks

Browse](https://www.kensink.com/languages)[

Technologies

Technologies & Infrastructure

Browse](https://www.kensink.com/technologies)[

LLM Models

LLM Models

Browse](https://www.kensink.com/models)[

Project Types

Project Types

Browse](https://www.kensink.com/services)

SENIOR ENGINEERS · APPLIED K

## Not sure which fits?  
Tell us the problem.

We will tell you honestly what to build with, and what to skip. Senior engineers, eval-gated, full source ownership. Sized to the work.

[Book a 15-min intro →](https://www.kensink.com/contact)