📰 Dev.to · Eric Rodríguez
Articles from Dev.to · Eric Rodríguez · 30 articles · Updated every 3 hours · View all reads
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⚡ AI Lessons (10431)
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Dev.to · Eric Rodríguez
2h ago
Day 56: Beating LLM Latency with Amazon SQS Decoupling ⚡
If you are building apps with LLMs, you already know the pain: generation takes seconds, and users...
Dev.to · Eric Rodríguez
⚡ AI Lesson
2d ago
Day 55: Single Table Design for User Profiles in DynamoDB
Hardcoding variables is a developer habit. Building user configuration is a Product mindset. 🛠️ Up...
Dev.to · Eric Rodríguez
⚡ AI Lesson
2d ago
Day 55: Single Table Design for User Profiles in DynamoDB
Hardcoding variables is a developer habit. Building user configuration is a Product mindset. 🛠️ Up...
Dev.to · Eric Rodríguez
3d ago
Day 54: Giving an LLM Long-Term Memory with DynamoDB
One of the biggest limitations of stateless serverless applications using LLMs (like Amazon Bedrock...
Dev.to · Eric Rodríguez
4d ago
Day 53: CI/CD for React on AWS S3 & CloudFront (No Access Keys!) 🚀
Deploying React to S3 manually gets old fast. If you are still dragging and dropping folders into the...
Dev.to · Eric Rodríguez
5d ago
Day 52: How to build a Split-Screen Login & Parse JWTs in AWS Lambda 🔐
I hated the default Amazon Cognito login screen. It looked like a dashboard from 2015. Today, I...
Dev.to · Eric Rodríguez
6d ago
Day 51: I stopped building Login pages manually 🛑🔑
I am officially done writing tags for login and registration. Today (Day 51 of my cloud journey), I...
Dev.to · Eric Rodríguez
1w ago
Day 50 🎉: Securing my GenAI API with Amazon Cognito
I hit Day 50 of my #100DaysOfCloud challenge today! To celebrate, I decided to tackle the scariest...
Dev.to · Eric Rodríguez
1w ago
Day 49: Adding a Monetization Layer to my Serverless App 💸
If you are building a SaaS or Fintech application, eventually you need to figure out how to monetize...
Dev.to · Eric Rodríguez
1w ago
Day 48: Deploy AWS Lambda without ClickOps (Using GitHub Actions & OIDC)
Uploading .zip files to the AWS console gets old really fast. Today, I completely automated my...
Dev.to · Eric Rodríguez
1w ago
Day 47: Stop Calling Third-Party APIs on Page Load (CQRS Lite in AWS Lambda)
Are you fetching data from external APIs directly inside your user-facing Lambda functions? Stop. I...
Dev.to · Eric Rodríguez
1w ago
Day 46: Making React feel Native with Stale-While-Revalidate
After spending weeks optimizing my AWS backend, I realized my React frontend was still forcing users...
Dev.to · Eric Rodríguez
2w ago
Day 43: Adding a Duolingo-style Streak UI to my React Dashboard
Yesterday I built the backend logic for a "Savings Streak" in DynamoDB. Today, I connected the wires...
Dev.to · Eric Rodríguez
2w ago
Day 42: Building a Gamification Engine in a Stateless Serverless App
Today I tackled one of the most common issues in Serverless: How do you track continuous user state...
Dev.to · Eric Rodríguez
2w ago
Day 41: Ditching print() for AWS Lambda Powertools (Structured Logging)
Building my AI Financial Agent has taught me a lot about cloud infrastructure, but today I learned a...
Dev.to · Eric Rodríguez
2mo ago
Automated Vulnerability Scanning for AWS Lambda with Amazon Inspector
Writing secure code is only half the battle. Modern software is built on giants' shoulders...
Dev.to · Eric Rodríguez
2mo ago
Debugging Serverless Latency: Enabling AWS X-Ray for Lambda
As my "Finance Agent" grows in complexity (Day 36!), understanding performance bottlenecks becomes...
Dev.to · Eric Rodríguez
2mo ago
Securing Serverless Apps: Migrating from Env Vars to AWS SSM Parameter Store
We've all done it. We start a project and shove API keys into .env files or Lambda Environment...
Dev.to · Eric Rodríguez
2mo ago
Building a GenAI Observability Deck: Tracking Latency and Costs with CloudWatch Logs Insights
Deploying an LLM is easy. Knowing what it’s doing in production is hard. When you move from a local...
Dev.to · Eric Rodríguez
2mo ago
Day 30: Implementing FinOps in Python - Calculating GenAI Costs per Request
Serverless is cheap, but "pay-per-use" can become a nightmare if you don't track the usage. Today, I...
Dev.to · Eric Rodríguez
2mo ago
Day 28: Adding a Conversational AI Interface to a React App with AWS Bedrock
Static dashboards are great, but sometimes you have a specific question that a pie chart can't...
Dev.to · Eric Rodríguez
2mo ago
Day 27: Adding Predictive Analytics to a React Dashboard with Python
Most dashboards are rearview mirrors. They show you historical data perfectly, but they fail to warn...
Dev.to · Eric Rodríguez
2mo ago
Day 26: Building a Transparent Financial Scoring Engine with Python, AWS Lambda, and React
Data visualization is the first step of any application, but data interpretation is where we add real...
Dev.to · Eric Rodríguez
2mo ago
I taught my AI to be sarcastic, but AWS Safety Filters fought back.
Yesterday, my finance agent was just a script that ran in the dark. Today, I wanted to give it a face...
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