Application Guide | Employment Information | Colorkrew


RECRUIT Job opening type

A Badass Front End Engineer

Job Description

"Mamoru Biz" is to reduce unproductive work though QR code and app.
Using QR and authentication technology, you can easily manage seats, schedule appointments, manage company equipment, and send mail.
We are looking forward to further evolving these services and developing new features. We are looking for a developer who can be entrusted with the development of microservices.


  • Collaborate with product managers, designers and engineers to deliver high-quality frontend components and backend services
  • Participate in and contribute to the planning processes to design products that fit within business and technical constraints
  • Respond quickly and independently to the rapidly changing needs of users
  • Develop and optimize both backend and frontend service and infrastructure

Application Requirements

  • Web development practical 5 years or longer
  • All the practicalities of JavaScript, HTML5, CSS3 over 3 years
  • Experience in one or more of the following JavaScript framework / library
  • Angular, React, Vue.js, Ember, Polymer, Backbone, Riots

Desired Skills / Experience

  • UI / UX design practical experience
  • Experience in using build tools / task runner such as gulp, webpack, browserify etc
  • Experience in locating and improving the bottleneck of front end performance
  • Experience in TypeScript, Less, Sass

Desired Qualifications

  • Applicant who can strongly relate to Colorkrew's Mission, Vision, and Spirits
  • Contribute and communicate ideas within a team efficiently
  • Possess strong logical thinking
  • Positive and optimistic
  • Possess strong leadership


  • Determined by taking experience, skills, and performance into account
  • Salary revision 4 times a year
  • Trial period: (same conditions) 3 months

Working Hours

Flextime (Core time 10:00 to 14:00)

Holiday / Vacation,Other

Full five-day work week (Saturday & Sunday off), public holidays, summer and winter holidays, annual paid leave, special leave
Various insurances, indoor principle non-smoking (smoking room available)

Selection Process

  1. Solve our coding challenge
  2. Document screening
  3. Personal interviewseveral rounds possible
  4. Final interviewwith the CEO
  5. Job offer
  • The above are subject to change depending on circumstances.


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