Skillhouse Internal Career Opportunity
【上場ITサービス企業】シニアフロントエンドエンジニア
Position Title:
【上場ITサービス企業】シニアフロントエンドエンジニア
Employment Type:
Permanent
Working Hours:
日本語-流暢,英語-上級 (TOEIC 860)
Salary
12000000.00
Description
A global IT services company is hiring a Frontend Engineer for its EC Expansion Development Department. The EC Expansion Development Department values building lean and efficient organizations as a key mindset and provides products and systems that continuously enhance and expand e-commerce. In a fast-changing business environment, the team delivers value quickly by actively leveraging cutting-edge technologies, including AI, while continuously growing through cycles of challenge and improvement.
Responsibilities:
- Participate in frontend development projects from early planning through requirement definition, implementation, and deployment
- Collaborate with product managers, designers, backend engineers, and business stakeholders (in Japanese) to define requirements and project scope
- Design and implement end-to-end frontend systems with a strong focus on quality, performance, and maintainability
- Create technical specifications and design documentation in line with team guidelines
- Build reusable, accessible, and high-performance React components
- Conduct code reviews and mentor team members when necessary
- Provide technical proposals and progress updates to both technical and non-technical stakeholders
- Take ownership of complex feature development and drive technical initiatives to improve team productivity
Required Skills:
- 5+ years of professional frontend development experience
- 3+ years of people management experience (managing teams of approximately 3 members)
- Experience leading projects from early stages (requirements definition, technical planning, system design) through deployment as a frontend engineer
- Experience working with cross-functional teams (product, design, backend, QA)
- Expertise in React (required): Deep understanding of component lifecycle, Hooks, and modern patterns (React 16+)
- TypeScript: Strong proficiency in generics, utility types, and type-safe patterns
- Next.js: Practical experience with App Router or Pages Router
- Modern JavaScript (ES6+), HTML5, CSS3, responsive design
- Modern CSS approaches: Tailwind CSS, CSS Modules, or CSS-in-JS
- Testing: Unit, integration, and E2E testing (Jest, React Testing Library, Playwright)
- Experience with Git workflows and code review practices
Why should you apply:
- Leadership opportunities: Lead technical initiatives and mentor team members
- Business impact: Influence product direction through close collaboration with stakeholders
- Production scale: Large-scale e-commerce platform used by millions of users
- End-to-end ownership: Involved from requirements gathering and planning to production deployment
- Global environment: Collaboration with global teams in Japan and China
- AI-driven development: Leverage cutting-edge AI tools such as Claude Code and GitHub Copilot to accelerate development
Company Details:
A global company with a strong presence in multiple business areas. It has achieved sustained growth both domestically and internationally, including in the U.S. and Europe. The company boasts a diverse and international environment and is committed to equal opportunity, offering a wealth of career opportunities. Due to the diverse nature of our business, we handle a wide range of technologies! You can also choose the environment you are most comfortable with, such as Windows/Mac! Meals in the company cafeteria are also free. Our chefs are always coming up with new menu items, so you can enjoy your meal without getting bored!
Working hours: 9:00 - 17:30 (Mon-Fri)
Working Style: Hybrid (4 days in office, 1 day work from home)
Holidays: Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays, Other Special Holidays
Services/Benefits: Social insurance, Pension Plan, Transportation Fee, Free Cantine, Casual clothes and more
Interview Process: 3-4
