Summary
Overview
Work History
Education
Skills
Certification
Languages
Interests
Timeline
Generic

Javier Herrero

Sydney

Summary

Proactive and highly adaptable Full-Stack Web Developer & IT Professional with a strong background in web development, digital solutions, and air traffic engineering. Fast learner with a keen eye for problem-solving and optimization, capable of quickly mastering new technologies. Experienced in both front-end and back-end development, database management, and project execution. Passionate about delivering high-performance web applications and contributing to innovative technology projects.

Overview

8
8
years of professional experience
1
1
Certification

Work History

Human Resources Intern

Black & White Waiters
03.2024 - 07.2024
  • Filed paperwork, sorted, and delivered mail and maintained office organization.
  • Answered phone and performed clerical duties to assist human resources department.
  • Created and updated tracking spreadsheets using MS Excel.
  • Developed strong written and verbal communication skills.

Air Traffic Systems Engineer

Indra
03.2022 - 09.2023
  • Improved system performance by identifying and resolving technical issues in a timely manner.
  • Evaluated new tools and technologies for possible integration into existing infrastructure environments.
  • Supervised and tested software for air traffic management systems.
  • Assisted in the development and deployment of real-time monitoring tools for air traffic controllers.

Software & Web Developer

Ayuve
01.2020 - 01.2022
  • Coded websites using HTML, CSS, JavaScript, and jQuery languages.
  • Enhanced user experience by implementing responsive web design and optimizing website performance.
  • Developed and maintained high-performance, responsive websites and e-commerce platforms.
  • Optimized web applications for faster loading times and improved SEO ranking.

IT Support & Junior Developer

Freelance
06.2018 - 01.2020
  • Collaborated effectively with designers to create visually appealing user interfaces for web applications.
  • Provided technical support for businesses and individuals, troubleshooting network and hardware issues.
  • Developed and customized WordPress-based websites for small businesses.
  • Assisted in database management and website maintenance.

Customer Service & Tech Support

Vodafone
08.2016 - 05.2018
  • Proven ability to learn quickly and adapt to new situations.
  • Gained valuable experience in customer service, technical support, and problem-solving.
  • Developed strong communication skills, essential for working with diverse teams and clients.

Education

Diploma - Project Management

ILSC
Sydney, NSW
08-2025

Master Degree - Digital Marketing

Complutense University
Madrid, Spain
09-2023

Bachelor Degree - Information Systems Engineering

University of Alcalá
Madrid, Spain
01-2020

Skills

  • Troubleshooting
  • Software System Testing
  • Full-Stack Web Development (HTML, CSS, JavaScript, PHP)
  • Web Performance Optimization & SEO
  • Networking & Cybersecurity Fundamentals
  • Analytical Thinking & Problem Solving
  • Strong Communication & Team Collaboration
  • Social media
  • Marketing

Certification

Google Analytics & SEO

Languages

Spanish
Native or Bilingual
English
Full Professional

Interests

  • Tech enthusiast, passionate about exploring the latest advancements and innovations
  • Blockchain Technology and Cryptocurrency
  • Gym Workouts
  • Outdoor Recreation

Timeline

Human Resources Intern

Black & White Waiters
03.2024 - 07.2024

Air Traffic Systems Engineer

Indra
03.2022 - 09.2023

Software & Web Developer

Ayuve
01.2020 - 01.2022

IT Support & Junior Developer

Freelance
06.2018 - 01.2020

Customer Service & Tech Support

Vodafone
08.2016 - 05.2018

Diploma - Project Management

ILSC

Master Degree - Digital Marketing

Complutense University

Bachelor Degree - Information Systems Engineering

University of Alcalá
Javier Herrero