Showcase

PeerJS

PeerJS revival

After being abandoned, I revived the project by first contacting the original developers, then I setup the servers for the public website and started reviewing and merging PRs, and fixing the code.

I made fixes and improvements until some colaborators joined the project, thereafter I gradually retired, first I let the new maintainers managing the code while I was in charge of the infrastructure.

WebPhone

I developed a web phone by using a WebRTC frontend with a Janus Gateway and a Asterisk server which I had to patch and recompile to support websockets.

I learned a lot about WebRTC and VoIP, and I had to deal with the complexity of the SIP protocol.

Wildcards

Wildcards Meetup Group

I created Wildcards, a Meetup group for web developers in Málaga.

I gave some talks and workshops about web development and I organized some events.

CityTrips

CityTrips mobility aggregator

I lead the development of an already existing project, I integrated many providers, upgraded the whole interface and added a lot of new features.

I learned a lot about working with geo data, reverse engineering, and Mapbox features and APIs.

Offline procedures PWA

TecOS Proceed PWA

Web based application designed to execute field procedures using mobiles devices (even in areas with no connetivity).

I designed the technical architecture and developed the PWA prototype, then I lead the development and resolved challenges like reconcilliation of data and offline-first strategies.

Flutter mobile app with on-device video compositing

Sony Pictures Spain mobile app

Flutter mobile app using GraphQL to fetch data and on-device video compositing to create a "Reaction" video by mixing a movie trailer plus the record from the camera while the user was watching and reacting to the trailer.

The video is composed on the device by integrating FFPMPEG with Flutter.

I developed it from the ground up, integrating it with a graphQL backend, FFMPEG and Fluzo.

React Native mobile app for School management

NovaSchool mobile app myAgora+

React Native mobile app published to the App Store and Google Play Store. It allows parents to be informed about their children's school life.

Project developed as freelance.

Experience

2016
Netelip
Netelip is a telecom, they offer a wide variety of services for small business. Their services originally centered around telephony, for example, one of their main services is a Virtual PBX Switchboard.

· Upgraded their platform from PHP5 to PHP7 by adapting the existing code to gain a big increase in performance.

· Created a web phone by integrating together a WebRTC frontend with a Janus Gateway and their Asterisk servers which I had to patch and recompile to support websockets.

· Developed a VPS service using NodeJS and Proxmox. (I published a library to manage Proxmox https://www.npmjs.com/package/proxmox-lib)

Symfony2

NodeJS

SocketIO

WebRTC

Codecept

Owncloud

Zabbix

Asterisk

Apache2

Nginx

OpenStack
2017
Indigitall
Indigitall is a startup offering various managed communication channels for big accounts. In the time I started working there, we were only 3 employees, and the main service was Push Notifications. I was in charge of the development of the backend made in PHP Symfony. After failing to adapt to the living in the big capital Madrid, I leaved the company to return to my home city, Málaga.

· Optimized the existing backend to handle 2 million user devices when Orange joined the service.

Symfony2

NodeJS

Nginx
2017
Accenture
I joined a project in Accenture to create an unified platform to manage all the services of Roche Diabetes. The project was very ambitious but it didn't started in the best possible way, as they couldn't fill the technical roles quickly enought. After a few months, the project was dismantled.
Accenture To Transform Diabetic Patient Care Using Data-driven Analytics Platform

· Developing the frontend application with React + Redux + Redux observable.

React

Redux

NodeJS
2018
Algorath
Algorath was a small startup working as part of the development team of Yoti in charge of developing a blockchain for identity purposes. I learned a lot about Go and blockchain technology there. Again, after a few months I leaved because I had to move and they didn't support remote working.

· Together with the team, developed a blockchain based on Stellar consensus protocol with identity purposes.

· I integrated a lightweight-mode node of the blockchain into a mobile application created with React Native, to provide on-device direct interaction with Yoti's blockchain network.

Go

React Native

Blockchain
2018
Interacso
Interacso was a consultancy software company where I worked and lead many different projects. It was my first time working 100% remotely, and after that I've always worked in that way. I mentored junior developers, and architectured and lead the development of some projects.

· Worked in a progressive web app (PWA) for managing internal storage in IKEA.

· Lead the development of Cooking Lovers, a website to manage cooking recipes.

· Architected and developed the prototype of a system composed of a mobile app with offline capabilities and a plugin for Microsoft Word to digitalize the procedures in nuclear power plants for Tecnatom.

· Worked developing CityTrips, aggregating different services and protocols into a React Native app.

· Developed Sony Pictures Iberia mobile app with Flutter. It does heavy use of FFMPEG to provide on-device video compositing.

NodeJS

React

React Native

Flutter

Go
2021
Agentero
Agentero was a startup focused on USA insurance solutions. I learned a lot about the USA insurance domain and improved my knowledge of Go thanks to a lot of awesome and experienced teammates.

· Developed as part of the team the main platform in Go.

· Helped improving and automating operations.

· Participated in the infrastructure maintenance.

· Helped maintaining and fixing the legacy platform in Rails.

Go

gRPC

GCP

Kubernetes

Terraform

Docker

MongoDB

Rails

OpenAI

LLamaIndex

LangChain

Streamlit
2023
Dedge Security
Joined this startup at its beginnings to develop a security platform for web3 technologies.

· Developed the backend system in Go.

· Supervised the frontend development.

· Worked integrating different analysis tools into a common pipeline.

Go

MongoDB

Docker
2024
What's now?
I'm looking for a new challenge, I'm open to new opportunities and I'm willing to relocate.