Hello, I am

Sergio Rey

Front-End Developer

Who am I ?

A Web Designer / Developer Located In Barcelona

I am a person with great learning ability who is enthusiastic about new technologies and software developtment. Dynamic and constant, with a good predisposition to adapt to changes.

Download My CV

Personal Info

My Expertise

UX Design

Passionate UI/UX designer.


Web Development

Fluent and dynamic web developer.


Digital Marketing

Description

As an Angular developer, I highlight my experience in creating apps and libraries developing with standalone components, taking advantage of signals to manage state and reactivity efficiently. I master reactive programming with RxJS, integrating services with dependency injection and optimizing performance through OnPush change detection, lazy loading with queries and modules. Memoization strategies with Signals and RxJS. I am currently learning NgRx.

I apply SOLID principles, modularization and design patterns, ensuring strict typing and using the new flow control block syntax with ngTemplateOutlet.
I also have experience in deferrable views, guards, interceptors, pipes and services, as well as bundle optimization.
In testing, I use Jasmine/Karma and I am ready to adopt Jest. I am familiar with CI/CD in Azure DevOps and good code quality practices. I have worked with Angular Material, PrimeNG, Tailwind and Sass, implementing authentication with REST APIs (JWT, OAuth, SAML) via Azure DevOps. I use data traceability with OpenTelemetry, and lazy loading queries.
Finally, I have extensive knowledge/experience with latest AI models and its integration into projects.

My Resume

Expertise

Oct. 2024 - Current
Angular 18 developer

Aubay Spain

  • Analyst web developer with Angular 18
  • Techs: Angular 18, Azure DevOps, OpenAPI, Git

Oct. 2023 - March 2024
Angular and Java Spring Boot full-stack developer

Carver Advanced Systems

  • App development width Angular and Spring boot
  • Techs: Angular 12, Spring Boot, Docker, MySQL and Git

June 2022 - Oct. 2023
IPaas integrations and automations developer

Adevinta

  • Enabling shared platforms and services - Automations and data tools
  • Systems integrations
  • Techs: Workato, Datadog, SAP S4H, Tableau, Postman, PostgreSQL, Github, Jira...

Oct. 2019 - June 2022
Full-Stack Developer with Angular 12

MCR Solutions

  • Development and automation of business processes
  • Business monitoring and analytics
  • Product improvement for administrative and management processes
  • Custom developments in IMEP (B2B eBusiness platform) for integrations with Oracle Cloud
  • Techs and languages: Angular 12, WLanguage, NodeJS, Git, Edifact, PSQL...

April 2019 - July 2019
Full-Stack .Net

MPM Software Solutions

  • I was in the development department doing evolutionary and maintenance (resolution of incidents) for an insurance brokerage application called SegElevia
  • Techs and languages: C#, MySQL, OOP, NHibernate and tfs

May 2018 - April 2019
Frontend Developer - JSP and JS

BBVA IT

  • I developed and migrated dynamic web pages with JSP, HTML and JS for the bank's work environment in a migration project for web compatibility with other browsers. I also made documentation and resolution of incidents as well as an intensive course in COBOL, JCL for the environment host.
  • Techs and languages: JSP (Java), HTML, JavaScript, Git, Jenkins, Jira and Scrum

Oct. 2017 - April 2018
Web Developer / Web Designer

Spira Dreams

  • Development of web pages for commercial promotion and customer acquisition (landing pages).
  • Design of corporate web pages, contact and maintenance of web servers.
  • Techs and languages: Jquery, Ajax, HTML5, CSS3, Bootstrap, PHP, Jira, Bitbucket, AWS and Wordpress

Education

Apr. 2024 - Jul. 2024
Apps Factory - Mobile and Web Apps development

Aspasia. Barcelona.


Mar. 2024 - Jun. 2024
Advanced programming in Java - OCP Java SE 11 Developer certification

PUE. Barcelona.


2016 - 2018
CFGS Web Apps Development

Ins. Escola del Treball. Barcelona


2014 - 2016
CFGS Apps Multiplatform Development

Ins. Ausias March, Barcelona.


2012 - 2014
Bachelor's international degree

Ireland and USA.

Skills

Angular
JS/TS
HTML5 & CSS3
Java
React
PostgreSQL
Node.js

Languages

Spanish
English
French
Catalan

500

Hours Worked

100

Project Finished

100

Happy Clients

2k

Coffee Drinked

My Certifications

React online course on Udemy
B2 First Cambridge

I Am Available For FreeLance

Hire me

My Projects

Send a message

Get in touch

Phone :
+34 664 510 582
Address :
Barcelona 08041.
Email :
sergiorey@outlook.com