Senior Frontend Developer (React)

Roles

We’re currently looking for a Senior Front-end Developer (React) to join our fast-paced growing team. As part of the engineering team, you will be responsible for building cloud-security solutions used by thousands of enterprise companies. Our flagship product provides functionalities ranging from access control, email filtering, online storage, and email archiving. We focus on implementing state-of-the-art security functionalities, ensuring SLA 99.9% in distributed fault-tolerant deployment, and providing the best user experience to our customers.

Responsibilities

• Design, develop, and maintain innovative features based on business needs
• Bring our design system to life by implementing high-fidelity UI using a modern frontend framework
• Ensure high-quality deliverables through CI/CD pipelines, tests, and documentation
• Collaborate with Design, Product Management, and Customer Success teams to continuously improve the product
• Support the team by actively participating in discussions and reviewing others’ code
• Improve team synergy and mentor junior engineers

Our Tech Stack

Each product team is free to choose their own tech stack. Each project uses Typescript as the base language, with a combination of these technologies:

• React
• Styled Components
• Redux (Toolkit)
• RxJS
• Jest/Testing Library
• Testcafe

Requirements

Minimum Qualifications

• 3 years of web development experience, with at least 3 years in React.
• Ability to write proper type-safe code with Typescript
• Ability to mentor junior engineers and work collaboratively in a team environment
• Ability to write robust tests along with your code
• Understand the importance of clean code and software documentation
• Business-level English (Japanese is NOT required)
• Interested in open source/tech community activities

Nice to have

• Degree in Computer Science or other related technical fields
• Experience with state management in a complex web app (e.g. Redux, Vuex)
• Familiarity with design collaboration tools like Figma
• Knowledge setting up build and test environments, CI/CD pipelines
• Knowledge of Unix-like environment
• Team leadership experience
• React: experience with Hooks, css-in-js libraries

Benefits/Working Conditions

Employment Type: Permanent Employee

Place of Work: Tokyo Shibuya HQ

• In principle, coming into the office is recommended. (Depending on the department, the ratio of remote/office work can change)

Working Hours: 10:00 - 19:00

• Flex Time (Core time is 11:00-16:00) with 1hr break

Remuneration: We offer a salary range of 6.5M to 11M JPY, with the final amount determined based on your experience and skills.

Benefits:

• Language learning support (English/Japanese)
• English Allowance and Advanced Language Expert Allowance*,
• Physical Communication Allowance*
• Transportation allowance (maximum of 35,000yen per month)
• Insurance: Health, Employment, Industrial Injury, Welfare pension
• Employee Stock Ownership Plan
• Opportunities to attend international and domestic conferences
• Financial support for technical certifications and technical learning programs
• Office clubs to join: coffee club, board game club, karaoke club, language cafe club, and more.

*Please refer to the details below.

Notes:

• English allowance and Advanced Language Expert Allowance: JPY 10,000 ~ JPY 130,000/month, paid alongside base salary, if the employee fulfills the requirements.
• Physical Communication Allowance: JPY 2,000 / day for coming to the office and interacting with other employees, paid out as bonus according to the number of days. Details will be provided at the offer meeting.
• Place of Work can be changed at the discretion of the company

Reasons why you will enjoy working here

1. Offers a diverse development team with people from over 10 different countries who love both technology and Japanese culture. Located in the heart of metropolitan Tokyo, it offers a non-traditional Japanese experience working in Shibuya, one of the busiest and most exciting places in the world.
2. Work-life balance is highly valued, and lots of fun happens at the office! Weekly board game nights, seasonal in-house events, monthly technical sessions, attendance of international tech conferences, new business contests, and many more.
3. With our CEO acting as the CTO, we are driven to continuously explore and develop the latest technologies.

Selection Process

1. Fill out the application form and submit it.
2. Solve our coding challenge. (You will be receiving an email with guidance upon your submission).
3. Upload your CV and Cover Letter.
4. Casual interview with HR.
5. 2 (or 3) interviews with engineers.
6. Interview with the CEO.

• There's NO need to upload the Resume/CV and Cover letter initially. You will be asked to upload it later after solving the challenge.

Want to learn more about how front-end engineers work here? Check out "Life as a Front-End Engineer: An Interview with Henry Lie".