AWS Lambda Durable Functions: Building Long-Running Workflows in Code

📰 Dev.to · Gunnar Grosch

Learn to build long-running workflows in AWS Lambda using Durable Functions and TypeScript, enabling sequential code execution for complex tasks

intermediate Published 17 Mar 2026

Action Steps

Create an AWS Lambda function using Durable Functions
Implement checkpoint/replay mechanism for fault tolerance
Use waitForCallback for asynchronous task handling
Configure parallel execution for concurrent task processing
Build a complete AI-powered support ticket triage workflow in TypeScript

Who Needs to Know This

Developers and DevOps engineers can benefit from this knowledge to create more efficient and scalable workflows in their applications, improving overall system reliability and performance

Key Insight

💡 AWS Lambda Durable Functions enable writing long-running workflows as sequential code, making it easier to manage complex tasks and improve system reliability

Key Takeaways

Learn to build long-running workflows in AWS Lambda using Durable Functions and TypeScript, enabling sequential code execution for complex tasks

Full Article

AWS Lambda Durable Functions let you write long-running workflows as sequential code. This post walks through checkpoint/replay, waitForCallback, parallel execution, and a complete AI-powered support ticket triage workflow in TypeScript.

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