Job Description
Senior Frontend Engineer - SaaS Platform (Enterprise SFA/CRM)
Employment Type:
Full-time
Location:
Tokyo (Hybrid - 3 days in office, 2 remote)
Salary:
¥8M-¥15M / year + stock options
About The Company
A fast-growing Japanese technology company specializing in
marketing SaaS, ad-tech, and AI-powered solutions
. Recognized among Asia-Pacific's high-growth tech firms, this organization builds digital platforms that optimize sales efficiency, customer engagement, and marketing performance for enterprise clients.
Role Summary
We are seeking a
Senior Frontend Engineer
to take ownership of our next-generation
SaaS sales and CRM platform
. You'll lead frontend architecture, enhance performance and UI design, and mentor a growing team of talented developers.
This is a hands-on technical leadership position-ideal for someone who wants to shape architecture and establish coding standards in a scaling environment.
Responsibilities
- Architect and implement scalable frontend solutions using React and TypeScript
- Lead UI/UX engineering and contribute to design systems for enterprise SaaS applications
- Review code, establish best practices, and mentor team members
- Collaborate with backend, design, and product teams on feature delivery
- Enhance frontend performance, accessibility, and maintainability
- Drive technical innovation through modern frameworks and tools
Tech Environment
- Frontend: React, TypeScript, OpenAPI
- Backend: Python
- Cloud: AWS, GCP
- CI/CD: GitHub Actions, CircleCI, Jenkins
- Architecture: DDD
- Tools: Jira, Confluence, Slack, GitHub
Qualifications
Required:
- 4+ years of professional frontend development experience
- Deep expertise in React and TypeScript
- Experience building or scaling SaaS products
- Technical leadership or mentorship experience
- Familiarity with AWS or GCP infrastructure
Preferred
- Automated testing experience
- Knowledge of scalable frontend design and architecture principles
Why You'll Love It
- Define frontend architecture and standards from the ground up
- Work on high-scale enterprise-grade SaaS systems
- Mentor a motivated team of engineers
- Leverage AI tools and modern cloud technologies
- Hybrid work, learning support, and competitive total rewards
Selection Process
Resume → Coding Test → Interviews → Final Interview
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