Available to hire
Hi, I’m Diego Barrales Castillo, a web developer with a passion for building clean, scalable digital solutions. I specialize in Angular, TypeScript, and modern front-end ecosystems, and I enjoy turning complex requirements into intuitive interfaces and reliable tools.
Over the years I’ve contributed to international teams on large-scale projects, from consumer devices to financial services, and I love learning new stacks and frameworks. I value collaboration, code quality, and delivering value to users.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
Spanish; Castilian
Fluent
English
Advanced
Work Experience
Freelance Software Developer (Web specialized) at Self-employed
April 1, 2026 - PresentFreelance software developer focused on Web; help businesses and professionals to create, improve and maintain digital solutions, including websites, bespoke tools, process automation and integration of online services.
Frontend engineer at Neura One AG
December 1, 2023 - March 1, 2026Full-time web developer (Angular +Nx). Member of an international SaaS team in the e-commerce sector. Responsible for the development and maintenance of a web application using Angular with Nx, Redux, Git, Azure DevOps, and libraries such as Formly, NgPrime and Bootstrap. English-speaking work environment.
Frontend Developer at Plexus Tech
October 1, 2023 - November 1, 2023Full-time Angular (+15) developer for a national bank project. Responsibilities included layout and development with Angular, testing, REST API consumption, and microfrontends. Language: Spanish.
Frontend Developer at Softproject Ibérica
April 1, 2022 - September 1, 2023Full-time Angular frontend developer in an international software development team using the latest Angular versions. Experience with agile processes (Scrum) and version control with Git, Bitbucket and GitHub. Occasional backend coding with Java Maven.
Internship at Intelec Ingeniería Energética
September 1, 2021 - March 1, 2022Odoo ERP, technical support and Angular web development. Created internal processes for Odoo ERP with Python, developed a company application in Angular, and led team organization.
Web Developer at Freelance / Self-employed
April 1, 2026 - PresentFreelance work helping businesses to create, improve and maintain digital solutions: websites, bespoke tools, process automation and integration of online services.
Education
Computer Engineering degree, specialization in Software Engineering with a major in Business Informatics at University of Jaén
September 1, 2016 - April 1, 2023ERASMUS Exchange Program at University of Science and Technology, Bydgoszcz (Poland)
September 1, 2019 - July 1, 2020Computer Engineering degree at University of Jaén
January 1, 2016 - January 1, 2023ERASMUS International Program in Computer Engineering at University of Science and Technology, Bydgoszcz (Poland)
January 1, 2019 - January 1, 2020Baccalaureate, Science and Technology at IES Castillo de la Yedra, Cazorla (Jaén)
January 1, 2014 - January 1, 2016Qualifications
Final Degree Project Award for Entrepreneurship
March 1, 2023 - April 1, 2026First for Schools (FCE) - Cambridge University
July 1, 2016 - June 28, 2026Industry Experience
Software & Internet, Media & Entertainment, Financial Services, Professional Services, Manufacturing, Education
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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