JavaScript Front-End Engineer

Job Type
5,000,000 JPY - 8,000,000 JPY per year
Japanese Level
English Level
Advanced (TOEIC 860)
Start Date


A Japanese sales company, known for applying its expert knowledge in the development of an innovative digital sales acceleration ecosystem, is hiring a JavaScript Front-end Engineer.


Working alongside others as a key member of a friendly growing international team of passionate developers and designers, you will be tasked with:

‐Designing and building apps that customers will love to use.

‐Building upon and extending our current apps. Improving code-readability, performance and usability.

‐Working closely with our design and backend development teams to provide effective solutions to design and technical challenges.

‐Engaging with other team members to gather requirements, specifications, estimate task sizes, and manage expectations.

Required Skills

‐Solid knowledge and experience with JavaScript (ES2015+)

‐Experience developing SPAs using the React/Redux/Webpack stack

‐Strong knowledge of HTML5 and CSS3

‐Ability to utilize preprocessed languages (Sass, Less...)

‐Able to bring static designs to life with pixel perfection

‐Experience developing responsive websites and understanding the unique challenges posed when developing device agnostic software

‐Awareness of cross-browser compatibility issues and client-side performance considerations. Including of the importance of assets optimization to deliver lightning fast web applications.

‐Good working knowledge of usability and accessibility standards

‐Ability to work in a Mac OS environment

Preferred Skills

‐Ability to write statically typed JavaScript with Flow (or TypeScript)

‐Server-side rendering with React

‐Experience in agile development environments

‐Knowledge of JavaScript testing frameworks (E.g. Enzyme, Mocha, Jest)

‐Knowledge of AWS services