Freelancer profile translated to English.

Description

Senior Front-End Developer with over ten years of experience in web development. For the past five years, I have worked as a freelancer, designing and building custom technological solutions for companies in various sectors.

I have participated in large-scale projects for companies such as BBVA, Santander, Vodafone, DKV, Iberia, Orange, Red Eléctrica, and Impacta, among others.

Specializing in Angular, I also master TypeScript, JavaScript (ES6+), HTML5, CSS3/SASS, TailwindCSS, Ionic, React, and frameworks for hybrid mobile applications. I have experience in Node.js, Java, consuming and integrating REST/GraphQL APIs, micro-front-end architecture, unit and integration testing (Jasmine, Karma, Jest, Cypress), as well as version control with Git and continuous integration workflows in Azure DevOps, Jenkins, and GitLab CI/CD.

I distinguish myself by my adaptability to each client's needs, offering a flexible, rigorous, and results-oriented service.

Industry field of expertise

Languages

Spanish
Native or bilingual
English
Conversational

Workplace preferences

Remote only

Primarily works remotely

Backus Tech SL
CEO
January 2021 - Today (5 years and 5 months)
Sevilla, Spain
The Backus team is made up of {web developers} specialized in back-end and front-end, respectively, with experience in creating and optimizing technological solutions.

We bring together several multidisciplinary profiles in terms of technical knowledge, programming languages, and work experience, highlighting work for large national companies, such as BBVA or Iberia, and direct collaboration with the consulting firm NTT Data and Indra.
Angular Typescript React.js JavaScript Web Development
EVERIS
Senior Front-end Developer
CONSULTING AND AUDITS
January 2018 - January 2022 (4 years and 1 month)
Sevilla, Spain
I worked as a Senior Front-End Developer at NTT DATA, developing modern and accessible web interfaces with frameworks like Angular and React. I was responsible for defining front-end architectures, establishing good development practices, and coordinating with design, back-end, and product teams. I also provided support and mentorship to junior developers, contributing to code quality and team efficiency in an agile environment.

Álvaro

Programador Javascript para BBVA - INDRA PRODUCCIÓN SOFTWARE S.L.

Reviewed on 3/23/2026

Alejandro has worked with us for 2 years for the BBVA client and his performance has been very satisfactory. He has managed to gain the client's trust, working with high-quality deliverables and an excellent attitude. We highly recommend Alejandro's profile as a problem-solving, reliable, and versatile individual.