Angela Nicole Castillo

Senior SEO & E-commerce Strategist | Technical SEO | Shopify Plus Expert | TikTok Shop & Meta Commerce | Multilingual SEO | SEM and CRO-focused

Cerritos, California, United States

About

I am an SEO and e-commerce strategist with a proven track record of scaling organic traffic, improving technical performance, and building conversion-driven strategies across Shopify ecosystems and global digital platforms. ✅ 5+ years of hands-on SEO experience: from technical audits and Core Web Vitals fixes to on-page optimization, structured data, and internal linking ✅ Multilingual Shopify & Shopify Plus expert: led global site performance across multiple regions and languages ✅ Social commerce leader: helped HyperX become the first electronics brand on TikTok Shop; optimized Meta Shops for visibility and conversion ✅ Marketplace-ready: experienced with omnichannel commerce through tools like Rithum (formerly ChannelAdvisor) ✅ Tools I live in: GA4, GSC, SEMrush, Screaming Frog, Excel, Looker Studio I thrive at the intersection of SEO, e-commerce, and digital marketing, connecting every piece of the customer journey, from discovery to conversion. I am especially passionate about working with DTC and enterprise brands to turn SEO from a support function into a growth engine. Let’s connect if you’re looking for someone who can turn traffic into results and strategy into revenue. I am open to full-time roles, consulting, or strategic partnerships where I can bring measurable impact.

Experience

  • SEO Content Manager at AXS
    Aug 2025 - Present · 1 yr

  • Global Web Optimization and E-commerce Specialist - HyperX at HP
    Jun 2021 - Jun 2025 · 4 yrs 1 mo

    Developed and executed SEO strategy across multiple international domains, contributing to 27% YoY organic growth. Managed and optimized multiple Shopify landing pages to drive organic traffic and increase revenue through keyword implementation, merchandising, and analytics from technical SEO audits. Conducted keyword research, content audits, and technical optimizations using GA4, SEMrush, Google Search Console, and Screaming Frog. Collaborated with developers and designers to implement Core Web Vitals improvements. Led monthly SEO reporting and performance analysis for senior leadership. Supported SEM strategy alignment across paid and organic campaigns. Led SEO and performance strategy across multilingual Shopify Plus sites, improving organic traffic and conversion across international markets. Spearheaded HyperX’s TikTok Shop launch, making it the first electronics brand on the platform and driving early adoption through integrated product/content campaigns. Managed Meta Shop performance strategy, aligning social commerce with SEO and CRM workflows. Conducted technical audits and implemented scalable fixes for site speed, schema, structured data, and internal linking.

  • HyperX ()
    • Global Web Optimzation and E-commerce Specialist
      Jun 2021 - Jun 2025 · 4 yrs 1 mo

    • Search Marketing Coordinator
      Sep 2019 - Jun 2021 · 1 yr 10 mos

      Optimized on-page elements, including title tags, meta descriptions, header tags, and URL structures to align with targeted keyword strategies. Collaborated with writers and content teams to create SEO-friendly blog articles and product pages, supporting both branding and conversion goals. Conducted regular audits across multi-language sites to identify technical SEO issues and ensure alignment with Google's best practices and accessibility standards. Monitored algorithm updates (e.g., core updates, mobile-first indexing) and adjusted content strategy to maintain and improve search rankings. Produced monthly performance reports covering keyword rankings, bounce rates, session duration, and organic traffic trends to support data-driven decision-making.

  • Social Media Coordinator at Collateral Gamer
    Sep 2018 - Mar 2023 · 4 yrs 7 mos

    Responsible for curating creative content, measuring engagement through in-app and third party analytics, and collaborating with brands as a brand ambassador to market their products using brand management. Mastery of social media apps such as Instagram, Twitter, and Facebook as well as knowledge of influencer marketing. Experience with social calendar and post management tools such as Hootsuite.

  • Business Development Intern at FullscaleBox
    Jan 2019 - Apr 2019 · 4 mos

    Created professional presentations, researched and collected data to generate buyer personas for a start-up business, and conducted meetings with team members to collaborate on projects. Exercised professional communication and teamwork skills as well as taking initiative to grow brand awareness.