Front End Engineer (Javascript/Typescript)

Job Type
450,000 JPY - 750,000 JPY per month
Japanese Level
English Level
Advanced (TOEIC 860)
Start Date


A security solutions company is looking for a Frontend Developer to support building digital banking services for customers on our fintech platform.

Candidate will work on the cryptocurrency wallet.



- Designing and implementing the core components for application.

- Ensuring the availability, scalability, performance, quality and security of application to specifications.

- Collaborating with the design and backend teams to define API endpoints and help in the progress of the solution.

- Communicating with non-technical team members on the project status.

- Writing reusable, testable, maintainable and efficient code.

- Identifying potential problems and resolving application bottlenecks

- Reviewing and helping other team members’ contribution to the code base


【会社概要 | Company Details】
They are a company that provides back office, web software service, solution service and outsourcing service in financial securities business.


【就業時間 | Working Hours】
9:00 – 17:45(Mon - Fri)

【休日休暇 | Holidays】
Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays, Other Special Holidays

【待遇・福利厚生 | Services / Benefits】
Social insurance, Commuting allowance, defined contribution pension (401K), property savings, group term insurance, late night work allowance, meal assistance, No indoor smoking (designated smoking area)

Required Skills

- Experience on Frontend development in any JavaScript framework like: Vue.js, React, Angular.

- Deep knowledge in data structures and performance.

- Understanding of browsers, browser rendering, and browser development tools as different screen size and resolutions.

- Experience with working and designing REST API to interact with Backend.

- Knowledge of JavaScript / TypeScript, HTML, CSS and SCSS/SASS.

- Experience in UI component state management.

- Experience with dependencies management tools: npm.

- Proficient in code versioning tools: Git.

- Experience with testing frameworks: Jest, Selenium.

- Interested in and has willingness to learn cryptocurrencies and blockchain technologies.

- Experience with load balancing and scalability.