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Shinji SakaiSoftware Engineer
Profile

I am a computer engineer and a full-time freelancer as a full-stack web and blockchain developer.

After I got my first project as a freelancer I realized that this is what I wanted to do.

Looking over the projects I have completed and feedbacks of my client means a lot to me and always keeps me going.

As much as I like to create long working relations with my clients, I am always eager to work with new clients.

If I don't know something that doesn't mean I can't do it.

That being said here is a summary of my experience and technical skills in web development:

⭐ Chrome Extension Development

⭐ React.js, Next.js, Vue.js, Nuxt.js, Redux, Vuex, React Native

⭐ JavaScript, TypeScript, Restful API

⭐ HTML5, CSS, SCSS, Bootstrap, Tailwind CSS, Styled-component, Payloadcms

⭐ Node.js, Express.js, Nest.js, Python, Django

⭐ MongoDB, MySQL, Firebase, Airtable

⭐ Stripe, PayPal Integration

⭐ Strapi, Sanity, AWS

⭐ ChatGPT, LangChain

⭐ Blockchain, Solidity, Web3.js, Smart Contract

Professional Experience

Senior Full-stack developer

BOT EM
  • •I am achieving good results by independently looking for improvements in the project and discussing solutions with my client.
    • 06/2024 – 12/2024Berlin, Germany
  • •I are working to improve the speed of the chrome extension and reduce errors as much as possible.

    • Senior Chrome Extension Developer

    JobWizard
  • •I provide the perfect results by understanding complex existing project codes that have not been maintained for a long time and quickly understanding the requirements of the client.
    • 08/2023 – 11/2023Beijing, China
  • •I carry out maintenance while sharing good ideas with the client with the goal of improving the user experience of the project.
  • •I always respect the client's wishes and provide good communication and results to client with 50% communication and 50% work.
  • •I am gaining a lot of experience in JavaScript and chrome extension development while performing numerous functions.

    • Senior Front-end Next+TypeScript Developer

    EarlyBird
  • •I completed several pages with sophisticated designs based on the mockup provided by client.
    • 06/2023 – 08/2023Wuhan, China
  • •I worked closely with backend developer to seamlessly integrate multiple APIs.
  • •I have always focused on improving the user experience and completely improved compatibility between user pages.

    • Senior Front-end Vite+TypeScript Developer

    Bot.tube
  • •I provided the results to the client in a timely manner and he was satisfied with it.
    • 05/2023 – 06/2023Wuhan, China
  • •Client recommended and invited me to work with a new client(his friend).
    • Education

    Bachelor of Computer Science (BCompSc)

    Meijo University
  • •I have majored the Information Technology.
    • 10/2018 – 04/2021Nagoya, Japan
  • •I have got Bachelor of Computer Science (BCompSc) Degree in Information Technology.
    • Nagoya University
    04/2015 – 09/2018Nagoya, Japan
    Languages
    English
    Japanese
    Skills
    Chrome Extension: JavaScript, React etc
    React: Redux, Next.js, Gatsby, React-Native
    Vue: Vuex, Nuxt.js
    JavaScript: TypeScript
    Payloadcms
    PHP: Laravel, Zend
    Python
    Django
    Node: Express.js
    AWS
    Restful API
    MongoDB
    Firebase
    MySQL
    Tailwind CSS, Styled-component
    OpenAI: ChatGPT
    Blockchain: Smart contract, Solidity, Web3.js
    Interests
    Football
    Ping-pong