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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 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
ericrodriguez10 profile

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
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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
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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
Day 20: Sending HTML Emails from AWS Lambda using Python & SES.
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Day 20: Sending HTML Emails from AWS Lambda using Python & SES.

#aws #python #ses #lambda
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1 min read
Day 19: Conditional Email Subjects with AWS Lambda & SNS.
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Day 19: Conditional Email Subjects with AWS Lambda & SNS.

#aws #python #lambda #sns
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1 min read
Day 18: Securing S3 Static Websites with CloudFront (HTTPS + OAC).
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Day 18: Securing S3 Static Websites with CloudFront (HTTPS + OAC).

#aws #cloudfront #security #react
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1 min read
Day 17: Fetching AWS Lambda data from a React App.
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Day 17: Fetching AWS Lambda data from a React App.

#react #aws #javascript #beginners
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1 min read
Day 16: Creating a fast JSON API with AWS Lambda and HTTP API.
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Day 16: Creating a fast JSON API with AWS Lambda and HTTP API.

#aws #api #serverless #python
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1 min read
Hosting a React App on AWS S3 in 5 minutes.
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Hosting a React App on AWS S3 in 5 minutes.

#aws #react #s3 #webdev
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1 min read
Day 14: Scheduling AWS Lambda with EventBridge (The Serverless Cron).
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Day 14: Scheduling AWS Lambda with EventBridge (The Serverless Cron).

#aws #serverless #automation #devops
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1 min read
Day 13: Sending AI Reports via Email using AWS SNS and Python.
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Day 13: Sending AI Reports via Email using AWS SNS and Python.

#aws #python #sns #devops
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1 min read
Day 12: Building a simple RAG pipeline with Lambda, DynamoDB, and Bedrock.
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Day 12: Building a simple RAG pipeline with Lambda, DynamoDB, and Bedrock.

#aws #python #dynamodb #bedrock
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1 min read
Day 11: Invoking Amazon Titan from AWS Lambda (Serverless GenAI).
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Day 11: Invoking Amazon Titan from AWS Lambda (Serverless GenAI).

#ai #aws #python #serverless
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1 min read
Day 10: Storing Financial Data in DynamoDB with Python (Boto3).
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Day 10: Storing Financial Data in DynamoDB with Python (Boto3).

#dynamodb #aws #python #database
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1 min read
Day 9: When APIs Fail. How to implement a "Mock Mode" in AWS Lambda.
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Day 9: When APIs Fail. How to implement a "Mock Mode" in AWS Lambda.

#aws #python #testing #serverless
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1 min read
Day 8: Never Hardcode Keys. Connecting Lambda to APIs using AWS Secrets Manager.
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Day 8: Never Hardcode Keys. Connecting Lambda to APIs using AWS Secrets Manager.

#aws #security #python #beginners
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1 min read
Day 7: Designing a Serverless AI Financial Agent (Project Roadmap)
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Day 7: Designing a Serverless AI Financial Agent (Project Roadmap)

#aws #architecture #serverless #python
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1 min read
The Last Deploy of 2025: Exposing my Lambda to the World with API Gateway
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The Last Deploy of 2025: Exposing my Lambda to the World with API Gateway

#aws #apigateway #serverless #python
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1 min read
I fired my server manager: Running Python on AWS Lambda (Serverless)
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I fired my server manager: Running Python on AWS Lambda (Serverless)

#aws #python #serverless #lambda
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1 min read
Beyond Static: Launching My First EC2 Instance with User Data
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Beyond Static: Launching My First EC2 Instance with User Data

#aws #ec2 #linux #devops
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1 min read
Goodbye Localhost: Why I deployed my site on raw S3 instead of Netlify
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Goodbye Localhost: Why I deployed my site on raw S3 instead of Netlify

#aws #webdev #beginners #s3
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2 min read
My First AWS Lab: Setting Up a Budget Alarm (Even though I have Credits)
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My First AWS Lab: Setting Up a Budget Alarm (Even though I have Credits)

#aws #beginners #tutorial #cloud
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2 min read
Stop Waiting: Why I’m Going All-In on AWS in 2026 (And How I Plan to Survive)
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Stop Waiting: Why I’m Going All-In on AWS in 2026 (And How I Plan to Survive)

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2 min read
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