Summary
Overview
Work History
Education
Skills
Certification
GROWTH PATH
Accomplishments
Additional Information
Hobbies
Timeline
Generic

Yuka Yamashita

Web Creator & Digital Marketing Specialist | Technical Support Consultant
Tokyo / Kuala Lumpur

Summary

Dynamic web creator and digital marketing specialist with a strong foundation in front-end development, SEO/SEM, and technical support for advertising platforms. Expertise in designing and optimizing websites using HTML, CSS, JavaScript, WordPress, and Adobe Creative Suite while driving measurable growth through data-driven marketing strategies and web analytics tools such as GA4, Search Console, and Firebase. Proven success in delivering comprehensive digital solutions—from creative design and UI/UX enhancements to campaign optimization and client support—across diverse global markets, including Japan, the U.S., and Malaysia. Bilingual in Japanese and English, effectively bridging creative, technical, and marketing needs to maximize business impact.

Overview

5
5
years of professional experience
4
4
Certifications
4
4
Languages

Work History

Search Engine Optimization Analyst

Costco Japan
Kisarazu, Chiba
02.2023 - 05.2023

Company Overview: Kisarazu, Japan, A foreign-owned company.

  • Website Optimization & On-Page SEO: Enhanced website content, meta tags, headings, and other on-page elements to improve search engine rankings and SEO performance.
  • Digital Marketing Tools: Utilized Google Analytics and Google Search Console to analyze website traffic, provide actionable insights, and suggest improvements.
  • Analytics & Reporting: Monitored key SEO metrics, created monthly reports, and presented analysis results; updated newsletters, website content, and digital showcase videos for warehouse stores.
  • Performance & Traffic Monitoring: Regularly tracked website performance, organic traffic trends, and user behavior to identify opportunities for optimization and growth.
  • Internal Search Optimization: Conducted keyword research and implemented SEO strategies to improve internal search results, site navigation, and user experience.
  • Email Marketing Campaigns: Designed and deployed targeted newsletters using Emarsys to engage customers, drive traffic, and increase conversions.
  • Website & App Management (Costco Japan): Maintained and updated the Costco Japan website via CMS and managed mobile app updates using Firebase to ensure accurate content and seamless user experience.
  • Video Production & Digital Content Creation: Produced digital showcase videos using Final Cut Pro to enhance online presence and engagement with visually compelling content.

Online Marketing Specialist

Trackcircle, Ltd.
04.2022 - 10.2022

Company Overview: Tokyo, Japan / Hong Kong — Pharmaceutical Wholesaler (Hong Kong-based)

  • Web Analytics & Optimization: Monitored website performance using Google Analytics and Search Console, providing actionable recommendations to improve traffic and conversions.
  • PR & Video Production: Produced a PR video for Mitsukoshiya.com, ensuring alignment with brand messaging and marketing objectives.
  • Content Creation for Promotion: Developed engaging promotional content for affiliate websites to drive traffic and increase conversions.
  • Content Marketing Strategy: Planned and implemented content marketing strategies to enhance brand presence and user engagement.
  • Web Development & Design: Created web content, designed logos and websites, and optimized site performance through web analysis.
  • Project & Team Management: Conducted product research, managed freelancers, coordinated job interviews for Japanese candidates, and trained new employees.

Front End Developer / Tag Implementation Specialist

TDCX
10.2018 - 09.2021

Company Overview: Kuala Lumpur, Malaysia — Vendor for Google Inc.

  • B2B Technical Support for Google Ads: Provided technical support for digital marketing products, primarily Google Ads, to regional sales teams and clients at a Malaysian BPO company.
  • Campaign Implementation & Troubleshooting: Assisted clients in deploying leads, implementing tags, and optimizing mobile ad performance, ensuring seamless integration of online advertising solutions.
  • Client Support & Training: Delivered exceptional customer service via Google Hangouts, including training, troubleshooting, and guidance during campaign implementation.
  • Technical Consultation: Advised clients on advanced technical optimizations, such as eliminating render-blocking JavaScript/CSS, avoiding landing page redirects, bundling static resources, using CSS sprites, and enabling Keep-Alive for improved page speed and performance.
  • Conversion & Analytics Support: Assisted with troubleshooting for conversion tracking, remarketing, dynamic remarketing, and Google Analytics setup.
  • Client Management: Supported an average of five companies per month, providing expert guidance across Google Analytics, Google Tag Manager, Google Ads, Google Merchant Center, and conversion tag settings.

Education

Vocational Diploma in Web Design - Web Design

The Creators Academy
Tokyo, Japan
04.2001 -

Certificate of Digital Marketing - Digital Marketing

The Next Academy
Kuala Lumpur, Malaysia
04.2001 -

Bachelor's Degree - Art - Design/Creative Multimedia

California State University Northridge
California
06.2016

Skills

Certification

SEO certification Test 2nd-4th Japan SEO association

GROWTH PATH

  • Natureware Inc. (Los Angeles, CA) A company specializing in health food sales through platforms like Amazon. (2016 - 2017) Administration Assistant (Japanese-English customer service and administrative worker)


  • My Dream Japan Los Angeles (2013 - 2016), A venture company that creates memorial portraits Photo editor / Administration Assistant

Accomplishments

  • Costco Japan: Initiated internal search functionality on the website by adding meta tags to product pages, that results in an increase in website traffic, longer time spent on the site, and a reduction in bounce rates. These improvements led to greater operational efficiency and contributed to strengthening Costco's brand value.


  • Trackcircle, Ltd.: Traffic Growth: When I started, GEWATER.com had an average of only 300 visitors per month. By launching a new social media strategy and enriching the content on the website, I successfully tripled the average number of visitors.
  • Conversion Rate Increase: In addition to driving traffic, I was able to increase conversions by more than four times, with the highest peak in viewership reaching 30,000 visitors.
  • SEO Improvement: Despite having no prior experience with SEO, I took the initiative to study independently and passed the Japanese SEO Certification Exam, advancing from Level 4 to Level 2.


  • TDCX (Kuala Lumpur, Malaysia): Client Education: Given that many clients were new to digital advertising, I focused on providing clear, easy-to-understand explanations, ensuring even those with no prior experience in web ads could grasp the concepts and tools.
  • High Adoption Rate: As a result of these efforts, the average monthly adoption rate of our products exceeded 75%, and customer satisfaction consistently exceeded 90%.


  • Natureware Inc.: Sales Growth and Market Differentiation: At the time, the company was in its second year, and while sales had started strong, growth had stagnated. Conducted comprehensive market research and pricing analysis to identify a unique position in the market. Additionally, helped create a standalone website to promote the brand more effectively, resulting in a 140% increase in sales compared to the previous year.


  • My Dream Japan Los Angeles: Played a significant role in explaining the significance of displaying these portraits to American customers, led effort focused on providing exceptional service, emphasizing word-of-mouth marketing, and encouraging customer reviews to build trust and awareness that results in increase sales by 120% compared to the previous year.

Additional Information

【Marketing Tools】

  • Google Analytics: Web traffic analysis and conversion improvement proposals
  • Google Ads / Tag Manager: Advertising operation support and conversion tracking
  • Merchant Center: Product feed management and optimization
  • SEO Tools (general): On-page optimization and keyword analysis


【Web Development & Analysis】

  • HTML / CSS / JavaScript: Basic website edits and understanding site structure
  • WordPress / Wix: CMS setup, content updates, and design adjustments
  • jQuery: Basic understanding


【Design Tools】

  • Adobe Photoshop / Illustrator: Image editing, banner creation, and design mockups
  • Premiere Pro / InDesign: Video editing and print media design production
  • Figma: Design mockup creation
  • Canva: Image creation and banner design


【Business Support Tools】

  • Microsoft Excel / PowerPoint / Word: Data analysis and proposal document creation
  • Google Sheets / Docs / Slides: Collaborative editing and sharing
  • Microsoft Teams / Google Meet: Internal and external communication, meeting support

Hobbies

  • Traveling & Cultural Exploration
  • Photography & Digital Art
  • Yoga & Mindfulness

Timeline

Search Engine Optimization Analyst

Costco Japan
02.2023 - 05.2023

Online Marketing Specialist

Trackcircle, Ltd.
04.2022 - 10.2022

Front End Developer / Tag Implementation Specialist

TDCX
10.2018 - 09.2021

Vocational Diploma in Web Design - Web Design

The Creators Academy
04.2001 -

Certificate of Digital Marketing - Digital Marketing

The Next Academy
04.2001 -

Bachelor's Degree - Art - Design/Creative Multimedia

California State University Northridge
Yuka YamashitaWeb Creator & Digital Marketing Specialist | Technical Support Consultant