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Eric Rodríguez

Software Dev exploring the AWS ecosystem. Turning coffee into cloud architecture (eventually). ☕☁️

Location Madrid, Spain Joined Joined on 
Day 78: Hunting Silent IAM Bugs & Securing DynamoDB
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Day 78: Hunting Silent IAM Bugs & Securing DynamoDB

#aws #serverless #react #webdev
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2 min read
Day 77: Fixing React Hydration & AWS SES Identities
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Day 77: Fixing React Hydration & AWS SES Identities

#react #aws #serverless #webdev
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1 min read
Day 76: Supercharging my React App with AWS CloudFront CDN
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Day 76: Supercharging my React App with AWS CloudFront CDN

#aws #react #serverless #webperf
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1 min read
Day 75: Building a "Nuclear" Delete Button and S3 Avatar Uploads
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Day 75: Building a "Nuclear" Delete Button and S3 Avatar Uploads

#aws #serverless #react #python
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1 min read
Day 74: Use Glassmorphism and Narrative to Tame Your AI App First-Log-In Latency
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Day 74: Use Glassmorphism and Narrative to Tame Your AI App First-Log-In Latency

#aws #serverless #ux #webdev
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1 min read
Day 73: Stop AWS Cognito from duplicating your users
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Day 73: Stop AWS Cognito from duplicating your users

#aws #serverless #react #webdev
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2 min read
Day 71: OpenGraph Meta Tags & Preparing Google OAuth
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Day 71: OpenGraph Meta Tags & Preparing Google OAuth

#aws #react #seo #webdev
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1 min read
Day 71: Secure your Naked Domain & Stop SQS from DDOSing your API
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Day 71: Secure your Naked Domain & Stop SQS from DDOSing your API

#webdev #aws #architecture #security
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1 min read
Build a Python recommendation engine for your Fintech app 💳
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Build a Python recommendation engine for your Fintech app 💳

#python #aws #serverless #fintech
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1 min read
How to stop your AI from hallucinating financial data 🛑🤖
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How to stop your AI from hallucinating financial data 🛑🤖

#aws #ai #promptengineering #serverless
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1 min read
I found a 1650% cost spike in my AWS Account
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I found a 1650% cost spike in my AWS Account

#aws #finops #serverless #cloud
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1 min read
Day 67: Escaping the Sandbox. Wiring a Live Banking API to AWS Lambda
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Day 67: Escaping the Sandbox. Wiring a Live Banking API to AWS Lambda

#aws #serverless #api #react
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1 min read
Day 66: Why Point-in-Time Recovery is the first button you should click in DynamoDB
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Day 66: Why Point-in-Time Recovery is the first button you should click in DynamoDB

#aws #database #serverless #devops
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1 min read
Day 65: Engineering an Exit Door (AWS SES Compliance)
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Day 65: Engineering an Exit Door (AWS SES Compliance)

#aws #python #serverless #fintech
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1 min read
Day 64: Curing an AI's "Amnesia" with Serverless Context Truncation 🧠💸
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Day 64: Curing an AI's "Amnesia" with Serverless Context Truncation 🧠💸

#aws #python #ai #serverless
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2 min read
Day 63: Elevating the Frontend - From Prototype to FinTech Analytics Dashboard
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Day 63: Elevating the Frontend - From Prototype to FinTech Analytics Dashboard

#react #ui #frontend #saas
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1 min read
Day 62: Building the "Trust Stack" with AWS ACM, CloudFront, and SES
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Day 62: Building the "Trust Stack" with AWS ACM, CloudFront, and SES

#aws #security #serverless #infrastructure
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1 min read
Day 61: Preventing Denial of Wallet Attacks by Removing Features
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Day 61: Preventing Denial of Wallet Attacks by Removing Features

#aws #serverless #finops #architecture
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2 min read
Day 60: Decoupling State and CloudWatch FinOps
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Day 60: Decoupling State and CloudWatch FinOps

#aws #serverless #finops #python
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2 min read
Day 59: Fixing Race Conditions with DynamoDB Atomic Locks 🔒
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Day 59: Fixing Race Conditions with DynamoDB Atomic Locks 🔒

#aws #python #dynamodb #architecture
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1 min read
Day 58: Fix your Fintech app's calendar logic (The Payroll Offset)
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Day 58: Fix your Fintech app's calendar logic (The Payroll Offset)

#aws #python #fintech #serverless
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1 min read
Day 58: Don't let GenAI bankrupt your Serverless App
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Day 58: Don't let GenAI bankrupt your Serverless App

#aws #serverless #python #finops
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1 min read
Day 57: Dynamic HTML Emails in AWS Lambda (FinTech UX) 🎨
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Day 57: Dynamic HTML Emails in AWS Lambda (FinTech UX) 🎨

#aws #python #ux #serverless
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1 min read
Day 56: Beating LLM Latency with Amazon SQS Decoupling ⚡
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Day 56: Beating LLM Latency with Amazon SQS Decoupling ⚡

#ai #serverless #python #architecture
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1 min read
Day 55: Single Table Design for User Profiles in DynamoDB
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Day 55: Single Table Design for User Profiles in DynamoDB

#aws #dynamodb #serverless #react
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3 min read
Day 55: Single Table Design for User Profiles in DynamoDB
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Day 55: Single Table Design for User Profiles in DynamoDB

#aws #dynamodb #serverless #react
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3 min read
Day 54: Giving an LLM Long-Term Memory with DynamoDB
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Day 54: Giving an LLM Long-Term Memory with DynamoDB

#aws #python #ai #serverless
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1 min read
Day 53: CI/CD for React on AWS S3 & CloudFront (No Access Keys!) 🚀
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Day 53: CI/CD for React on AWS S3 & CloudFront (No Access Keys!) 🚀

#aws #react #devops #github
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1 min read
Day 52: How to build a Split-Screen Login & Parse JWTs in AWS Lambda 🔐
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Day 52: How to build a Split-Screen Login & Parse JWTs in AWS Lambda 🔐

#aws #react #python #security
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2 min read
Day 51: I stopped building Login pages manually 🛑🔑
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Day 51: I stopped building Login pages manually 🛑🔑

#react #aws #security #frontend
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1 min read
Day 50 🎉: Securing my GenAI API with Amazon Cognito
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Day 50 🎉: Securing my GenAI API with Amazon Cognito

#aws #security #serverless #cloud
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1 min read
Day 49: Adding a Monetization Layer to my Serverless App 💸
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Day 49: Adding a Monetization Layer to my Serverless App 💸

#python #aws #fintech #architecture
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1 min read
Day 48: Deploy AWS Lambda without ClickOps (Using GitHub Actions & OIDC)
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Day 48: Deploy AWS Lambda without ClickOps (Using GitHub Actions & OIDC)

#aws #devops #serverless #security
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1 min read
Day 47: Stop Calling Third-Party APIs on Page Load (CQRS Lite in AWS Lambda)
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Day 47: Stop Calling Third-Party APIs on Page Load (CQRS Lite in AWS Lambda)

#aws #serverless #python #architecture
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1 min read
Day 46: Making React feel Native with Stale-While-Revalidate
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Day 46: Making React feel Native with Stale-While-Revalidate

#react #webperf #aws #javascript
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1 min read
Day 45: Locking down Lambda with IAM Least Privilege
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Day 45: Locking down Lambda with IAM Least Privilege

#aws #security #python #serverless
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1 min read
Day 43: Adding a Duolingo-style Streak UI to my React Dashboard
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Day 43: Adding a Duolingo-style Streak UI to my React Dashboard

#aws #react #frontend #webdev
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1 min read
Day 44: Adding a WAF Shield to my AI Agent to prevent "Denial of Wallet"
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Day 44: Adding a WAF Shield to my AI Agent to prevent "Denial of Wallet"

#aws #security #cloud #serverless
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1 min read
Day 42: Building a Gamification Engine in a Stateless Serverless App
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Day 42: Building a Gamification Engine in a Stateless Serverless App

#aws #dynamodb #python #architecture
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1 min read
Day 41: Ditching print() for AWS Lambda Powertools (Structured Logging)
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Day 41: Ditching print() for AWS Lambda Powertools (Structured Logging)

#aws #python #serverless #observability
1
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1 min read
Saving your Wallet: How to set up AWS Budgets to avoid surprise bills
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Saving your Wallet: How to set up AWS Budgets to avoid surprise bills

#aws #beginners #finops #tutorial
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1 min read
Chaos Engineering Lite: Testing your AWS Alarms with Intentional Failures
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Chaos Engineering Lite: Testing your AWS Alarms with Intentional Failures

#aws #testing #sre #devops
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1 min read
Automated Vulnerability Scanning for AWS Lambda with Amazon Inspector
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Automated Vulnerability Scanning for AWS Lambda with Amazon Inspector

#aws #security #devsecops #serverless
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1 min read
Sleeping Soundly: Setting up CloudWatch Alarms for Serverless Apps
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Sleeping Soundly: Setting up CloudWatch Alarms for Serverless Apps

#aws #monitoring #devops #serverless
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1 min read
Debugging Serverless Latency: Enabling AWS X-Ray for Lambda
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Debugging Serverless Latency: Enabling AWS X-Ray for Lambda

#aws #xray #serverless #performance
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1 min read
The Safety Net: Adding a Dead Letter Queue (DLQ) to AWS Lambda
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The Safety Net: Adding a Dead Letter Queue (DLQ) to AWS Lambda

#aws #serverless #sqs #architecture
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1 min read
Securing Serverless Apps: Migrating from Env Vars to AWS SSM Parameter Store
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Securing Serverless Apps: Migrating from Env Vars to AWS SSM Parameter Store

#aws #security #python #serverless
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1 min read
Building a GenAI Observability Deck: Tracking Latency and Costs with CloudWatch Logs Insights
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Building a GenAI Observability Deck: Tracking Latency and Costs with CloudWatch Logs Insights

#aws #cloudwatch #python #serverless
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2 min read
Day 32: Adding Real-Time SMS Alerts to Lambda with Amazon SNS
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Day 32: Adding Real-Time SMS Alerts to Lambda with Amazon SNS

#cloudcomputing #aws #ux #fintec
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1 min read
Day 31: Slash AI Costs by 90% with a DynamoDB Cache Layer
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Day 31: Slash AI Costs by 90% with a DynamoDB Cache Layer

#aws #dynamodb #python #performance
1
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1 min read
Day 30: Implementing FinOps in Python - Calculating GenAI Costs per Request
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Day 30: Implementing FinOps in Python - Calculating GenAI Costs per Request

#aws #finops #python #cloud
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1 min read
Day 29: From Logs to Insights – implementing Structured Logging & X-Ray in AWS Lambda
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Day 29: From Logs to Insights – implementing Structured Logging & X-Ray in AWS Lambda

#aws #monitoring #devops #python
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1 min read
Day 28: Adding a Conversational AI Interface to a React App with AWS Bedrock
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Day 28: Adding a Conversational AI Interface to a React App with AWS Bedrock

#aws #react #ai #serverless
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1 min read
Day 27: Adding Predictive Analytics to a React Dashboard with Python
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Day 27: Adding Predictive Analytics to a React Dashboard with Python

#python #react #aws #analytics
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1 min read
Day 26: Building a Transparent Financial Scoring Engine with Python, AWS Lambda, and React
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Day 26: Building a Transparent Financial Scoring Engine with Python, AWS Lambda, and React

#aws #python #serverless #react
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2 min read
Visualizing AWS DynamoDB Data with React & Recharts
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Visualizing AWS DynamoDB Data with React & Recharts

#aws #react #dataviualization #frontend
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1 min read
How to Connect a React App to an AWS Lambda Function URL.
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How to Connect a React App to an AWS Lambda Function URL.

#aws #react #serverless #javascript
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1 min read
I taught my AI to be sarcastic, but AWS Safety Filters fought back.
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I taught my AI to be sarcastic, but AWS Safety Filters fought back.

#aws #serverless #ai #python
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2 min read
Day 22: How to create Python Lambda Layers for external libraries.
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Day 22: How to create Python Lambda Layers for external libraries.

#python #fintech #tutorial #serverless
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1 min read
Day 21: Fetching Bank Transactions with Python (Plaid & Wise).
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Day 21: Fetching Bank Transactions with Python (Plaid & Wise).

#python #fintec #api #tutorial
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1 min read
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