Mariana Otero

Available to hire

I am a proactive and results-driven Senior WordPress Developer with over 7 years of experience designing and developing responsive, user-focused websites.

About

I am a proactive and results-driven Senior WordPress Developer with over 7 years of experience designing and developing responsive, user-focused websites. I specialize in Elementor, Divi, and WPBakery with strong expertise in UX/UI design, SEO optimization, and digital content creation. Skilled at transforming ideas into functional, high-performing web solutions that drive engagement and conversions.

I have a solid background in User Acceptance Testing (UAT) to ensure top-quality standards and have designed and developed over 7 years of responsive, SEO-optimized WordPress websites for diverse industries. I excel in collaboration, client communication, and advanced customization techniques to enhance brand consistency, site performance, and mobile responsiveness.

  • 8 years' experience
  • Joined August 2025

Languages

  • Spanish; CastilianFluent
  • EnglishAdvanced

Industry experience

  • Software & Internet
  • Professional Services
  • Media & Entertainment
  • Education
  • Consumer Goods
  • Retail
  • Other

Work experience· 6 roles

Web Designer & QA Tester · MinimalartMar 2021 – Present · 5 yrs 9 mos

Performed comprehensive quality assurance and UAT testing to ensure optimal user experience and website functionality. Improved site performance and responsiveness by up to 40% through optimization techniques. Customized layouts and design elements via CSS to meet specific client requirements.

Web Designer & QA Tester · MinimalartMar 2021 – Present · 5 yrs 9 mos

Build WordPress sites focusing on performance, responsive design, and visual aesthetics. Design graphic assets using Photoshop and Illustrator aligned with brand identity. Write tailored website copy to support client communication objectives. Conduct Quality Assurance and User Acceptance Testing to validate site functionality and user experience. Customize styles via CSS based on specific design requirements. Coordinate with designers and project managers to ensure timely, high-quality delivery.

WordPress Developer · Taste Fit (Freelance)Sep 2020 – Aug 2025 · 5 yrs

Developed a WordPress website using Divi with a professional UX design. Implemented a membership system with secure login and personalized user dashboards. Centralized resources and plan materials into dynamic, user-friendly profiles.

WordPress Developer · Taste Fit (Freelance)Sep 2020 – Aug 2025 · 5 yrs
WordPress Developer & Content Creator · Otter Sites (Freelance)Jul 2018 – Present · 8 yrs 5 mos
WordPress Developer & Content Creator · Otter Sites (Freelance)Jul 2018 – Present · 8 yrs 5 mos

Education

Técnica Química Universitaria · Universidad Tecnológica Nacional2030 – 2025
Programming for Specific Applications · Argentina Programa2030 – 2025
Técnica Química Universitaria · Universidad Tecnológica Nacional, Buenos Aires, Argentina2030 – 2025
Programming for Specific Applications · Argentina Programa2030 – 2025

Certifications and awards

HACCP Food Safety Management - ANMAT2030 – 2025
HACCP Food Safety Management2030 – 2025

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