Integrating Lambda Durable Functions into a Step Functions Workflow
At re:Invent 2025, AWS announced Lambda Durable Functions. The feature introduces a checkpoint/replay...
Jul 11, 202613 min read6 reactions0 comments
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Tag archive
#stepfunctions
Durable Workflows on AWS: Lambda Durable Functions, Step Functions, and MWAA
Level: 300–400 | Reading time: ~10 minutes Recently, a customer asked me when they should choose...
Jul 7, 20269 min read0 reactions0 comments
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Jul 1, 2026Bedrock Direct Integration with Step Functions: The 40% Cost Savings We Never Expected
We thought we'd save a few dollars by cutting out the Lambda middleman from our Step Functions...
Jul 1, 20264 min read1 reactions0 comments
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Jun 24, 2026Step Functions Broke Our Lambda Cold Starts — But Fixed Our EventBridge Delays
We migrated 15 Lambdas to Step Functions to solve cold starts, but what we gained in warmness, we...
Jun 24, 20264 min read2 reactions0 comments
We Built a Poor Man’s o1 on AWS for $0.25 – And You Can Too
I remember the first time I tried OpenAI’s o1. I asked it a gnarly infrastructure question: “Design...
May 7, 20265 min read6 reactions2 comments
Saga Pattern using Step Functions
Introduction When dealing with distributed architecture like microservices or event-driven...
Apr 12, 20267 min read0 reactions0 comments
Cost-Efficient Serverless Workflows with Express Step Functions
Lambda and API Gateway are the bread and butter of the AWS serverless ecosystem. Lambda offers a...
Apr 30, 202610 min read5 reactions0 comments
How we made Step Functions call any AWS service locally
If you've used AWS Step Functions, you know the aws-sdk:* integration pattern: { "Type":...
Apr 7, 20262 min read1 reactions0 comments
Measuring What Matters: Rethinking Serverless Workflows with AWS Lambda Durable Functions
Most serverless workflows don’t fail because they can’t scale. They fail because when something goes...
Mar 21, 20263 min read6 reactions0 comments
Lambda Durable Functions mata a Step Functions... ¿o no?
La verdad sobre cuándo usar cada una (y por qué necesitas entender ambas). Al final de este...
Mar 12, 20267 min read14 reactions0 comments
AWS Lambda Durable Functions - Build a Loan Approval Workflow with Checkpoints, Callbacks, and a React Frontend
I have been using AWS Step Functions for workflow orchestration for a long time now. I used it in my...
Mar 1, 202612 min read8 reactions0 comments
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Feb 26, 2026Stop Writing Step Functions by Hand
If you've worked with Step Functions at any real scale, you know the concept is great — orchestrate...
Feb 26, 20265 min read4 reactions0 comments