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Ren Yoshida
Front-end Developer
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Email
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Senior Front-end Developer with over 8 years of proven leadership and meaningful contributions
to teams of varying sizes and scope. Excited about going the extra mile to ensure the customer is
unquestionably satisfied with the product or service provided. With an emphasis on scalable and
well-documented code, looking forward to working collaboratively as well as spearheading
independent projects.
ACE
Employment History
LinkedIn
Ren Yoshida
Education-
Bachelor's of Computer Science
The University of Tokyo
Skills
React
03/2022 - Present
SellerApp Inc
Senior Front-end developer
Developed product tours with Angular v13 for a new feature, improving customer
adoption by 25% leading to increased revenue by $1M.
Created a compatible, custom client dashboard, reducing support tickets by 45%.
Collaborated with UX/UI design teams to improve existing applications and increase
conversion rates by 20%.
Created new Angular components for the customer facing web application, improving
the average user time on page by 2 minutes.
Write unit tests, end-to-end tests, and integration tests and achieve over 70% code
coverage with Jasmine and Karma.
Angular
08/2019 - 02/2022
Cave Consulting Inc
Vue
Lead Front-end developer
Next.js
Nuxt.js
HTML and CSS
JavaScript / TypeScript
REST API / GraphQL
AntD / MUI / Chakra UI
Designed multiple dynamic and browser compatible pages using HTML5, CSS3,
JavaScript/TypeScript(React, Redux).
Built extensive test coverage for all new features, reducing the number of customer
complaints by 10%.
Configured CI/CD pipelines for the system with AWS EC2 to increase delivery speed
to clients for UAT and production purposes by 30%.
Built cross-browser compatible and accessibility compliant websites, resulting in 22%
faster load time than industry average.
Worked closely with an agile team of 10 members and provided end-to-end solutions
for clients.
05/2014 - 07/2019
Bruce Clay
Boostrap
TailwindCSS
Front-end developer
Jest / Cypress
Karma / Jasmine
MySQL / PostgreSQL
MongoDB / DynamoDB
Git
Agile
Assisted in maintaining active conversation with 3 clients to ensure the client sites
developed met their needs, achieving over 95% customer satisfaction.
Participated in the initial wave of developers learning and implementing the React.JS
library.
Rewrote HTML to meet industry and company standards for SEO and Accessibility.
Tested, debugged, and shipped 10s of 1000s of lines of code to various development
teams.
Introduced Kanban Board-style ticketing system to promote highly efficient
asynchronous and synchronous work, increasing efficiency by 12%.
Utilized HTML, CSS, and JavaScript to create 100+ responsive landing pages for both
company and client.
Language
Japanese
Native
English
Fluent
Certification
2016 Web Foundations Associate (CIW)
2017 Certified Web Professional - Web Developer (IWA)
