Xavier Portilla Edo

CORE

Head of Cloud Infrastructure at Voiceflow

Madrid, ES

Joined Mar 2020

https://xavidop.me/

About

Xavier hails from Valencia. He has earned degrees from the Polytechnic University of Valencia. He is a software developer with more than 5 years of experience; ranging from health to industry sector, learn and research, at everything from startups to the largest companies in the world, and working in-office to remote.

Stats

Reputation:	3111
Pageviews:	395.8K
Articles:	45
Comments:	1

Expertise

DevOps and CI/CD

Articles
Comments

Articles

How to Migrate From LangChainGo to Genkit Go

Every LangChainGo concept mapped to its Genkit Go equivalent, with before and after code for models, prompts, chains, tools, agents, RAG and memory.

October 27, 2026

· 783 Views

LangChainGo vs Genkit Go: Where Genkit Shines

The same production service written twice: RAG, tools, typed output, retries, fallback and tracing. 73 lines in Genkit Go against 272 in LangChainGo.

October 26, 2026

· 687 Views

Genkit Flows as senro Steps: Extremely Powerful AI Pipelines in Go

Put a Genkit flow inside a senro step, and every model call becomes a cached, retryable graph node: change one document out of three, pay for one call.

October 26, 2026

· 747 Views

Building a Real Pipeline With senro: Monorepos, Caching, and Triggers

Workspaces, step caching, fanning out over every module in a monorepo, narrowing to what changed, and webhook triggers: senro for everyday pipelines.

October 23, 2026

· 934 Views · 1 Like

Introducing senro: A Pipeline Engine You Program in Go

senro is a new open-source pipeline engine where the pipeline is a Go program, not YAML. Run it locally, in containers, on Kubernetes, or over SSH.

October 21, 2026

· 1,096 Views

Build a Voice Assistant With Gemini Live API

Build an open-source voice assistant with the Gemini Live API. Explore WebSocket audio streaming, ephemeral tokens, tool calling, privacy, and costs in Dash.

October 21, 2026

· 1,296 Views

Building Agents in Go: Where Genkit Shines vs ADK 2.0

A research team of agents in 90 lines of Genkit Go (orchestrator, sub-agents, cross-vendor fallback, human approval) versus the same thing in ADK 2.0.

October 21, 2026

· 795 Views · 1 Like

Genkit Go vs ADK Go 2.0: A Hands-On Look at Boilerplate and Low-Level Control

The same eight programs built with Genkit Go and ADK Go 2.0: where ADK makes you pay an "agent tax" and where Genkit lets you drop lower.

October 20, 2026

· 753 Views

Hot-Reloading Kubernetes Secrets and ConfigMaps in Go With mamori (No Pod Restarts)

Stop running kubectl rollout restart. mamori watches Secrets and ConfigMaps with native informers and reconciles changes into your running Go process.

October 19, 2026

· 971 Views

GCP Secret Manager, Live-Reloaded in Go With mamori

Your Go service froze Secret Manager's "latest" at boot. mamori notices when it moves and reconciles the new version into the running process.

October 19, 2026

· 606 Views

Azure Key Vault Secrets That Reconcile Themselves in Go, With mamori

Your Go service resolved the Key Vault secret once at boot. mamori watches Key Vault and reconciles new versions into the running process, no restart.

October 14, 2026

· 1,022 Views

Rotate AWS Secrets Manager Secrets Without Restarting Your Go Service, With mamori

Secrets Manager rotates your password; your Go service never notices. mamori watches Secrets Manager and Parameter Store and reconciles rotations live.

October 14, 2026

· 1,225 Views · 1 Like

Introducing mamori: Typed, Watchable Config and Secrets for Go

mamori is an open-source Go library that loads config and secrets from 30+ sources into typed, validated structs and keeps them reconciled at runtime.

October 14, 2026

· 1,051 Views

Genkit Middleware: Intercept, Extend, and Harden your Gen AI Pipelines

A deep dive into the new Genkit middleware system for JavaScript/TypeScript: built-in middleware, how to build your own.

May 18, 2026

· 3,229 Views · 1 Like

Vercel AI SDK Middleware vs Genkit Middleware: A Hands-On Comparison

A side-by-side comparison of the two leading middleware systems in the JS/TS Gen AI ecosystem: Vercel AI SDK and Genkit.

May 15, 2026

· 1,598 Views · 3 Likes

Stop Using Python for Your GenAI Apps, Use Go and Genkit Instead

Python has dominated the GenAI conversation, but it is neither the only nor the best option for production. Here is why Go is a stronger bet.

May 11, 2026

· 2,399 Views · 2 Likes

Comparing Top Gen AI Frameworks for Java in 2026

A practical, in-depth comparison of the top Generative AI frameworks for Java in 2026: Genkit Java, Spring AI, LangChain4j, and Google ADK

May 7, 2026

· 4,504 Views · 9 Likes

Top JavaScript/TypeScript Gen AI Frameworks for 2026

A practical, in-depth comparison of the top generative AI frameworks in 2026, coming from someone who has built with all of them.

May 6, 2026

· 3,572 Views · 2 Likes

A Practical Guide to Building Generative AI in Java

Genkit Java makes building generative AI features in Java finally simple. With typed inputs/outputs, structured LLM responses, built-in observability, a powerful DevUI.

February 26, 2026

· 3,685 Views · 3 Likes

Building a Weather Service With Genkit and AI

AI-powered weather service using Genkit, TypeScript, OpenWeatherAPI, and GitHub Models. Uses OpenAI o3-mini for AI responses.

March 4, 2025

· 5,631 Views · 1 Like

Building NLU Flows With Firebase GenKit and GitHub Models Powered by LLMs

Learn how to set up an NLU flow using Firebase Genkit AI and Firebase Functions to detect intents and entities from text using GitHub Models.

November 13, 2024

· 1,084 Views · 2 Likes

The Evolution of Conversational AI: Blending Determinism With Dynamism

Learn how the future of conversational AI lies in the seamless integration of deterministic workflows and dynamic, creative responses.

August 28, 2024

· 5,181 Views · 2 Likes

LangChain Language Correctness Detector

Learn how to detect grammatical errors, sentiment, and aggressiveness in text using Langchain and OpenAI or Google Cloud language models.

August 27, 2024

· 4,219 Views · 1 Like

Firebase Genkit With Ollama

Explore a Firebase project that uses the Gen AI Kit with Gemma using Ollama and learn how to test it locally with the Firebase emulator and the Gen UI Kit.

May 27, 2024

· 2,490 Views · 1 Like

Integrate Alexa With Voiceflow

How to integrate Alexa and Voiceflow to put a focus on the conversation design instead of coding. This will help you to leverage better conversations!

November 22, 2023

· 3,704 Views · 2 Likes

A Guide About Dialogflow CX Webhook Development

In this article, follow an introduction to how to develop your Dialogflow CX webhooks from the Dialogflow CX console to your laptop.

February 1, 2023

· 2,582 Views · 2 Likes

Dialogflow CX CLI: The Missing CLI To Interact With Your Agents

This post serves as an introduction to Dialogflow CX CLI, a powerful tool that will help you during your day-to-day tasks while you are developing your bots.

January 30, 2023

· 3,570 Views · 1 Like

How to Properly Test Your Dialogflow CX Agents

Learn how to properly set your Dialogflow CX agents and see how easily you can create tests and set CI/CD pipelines either with the console or the CX CLI.

January 28, 2023

· 5,261 Views · 1 Like

Dialogflow CX Entity Types

Learn what a Dialogflow CX entity type is and how easy it is to create entity types and evolve your NLU in Dialogflow CX, either with the console or the CX CLI!

January 26, 2023

· 4,204 Views · 1 Like

Dialogflow CX Intents

Explore this tutorial to learn how to easily create intents and evolve your NLU in Dialogflow CX, using either the console or the CX CLI.

January 24, 2023

· 3,161 Views · 4 Likes

Comments

Alexa Skill With TypeScript

May 06, 2020 · Xavier Portilla Edo

This example is made with ASK CLI v1. Local debugger is an external amazon tool that you can find in their github https://github.com/alexa/alexa-cookbook/tree/master/tools/LocalDebugger