【Frontend Engineer】 (Tokyo / Sapporo) — 100% In-House Development / Hybrid Work

★Frontend Engineer (Tokyo / Sapporo) | 100% In-House Client WorkBusiness Level Japanese Required★Hybrid Work★Location: Tokyo / Sapporo★Great Welfare◆ Annual Salary：4.5 million ～ 6 million yen.-------------【About the company】-------------Business Description1 Video planning, production, editing and various video technology services2 Planning, development, operation and maintenance of WEB, systems and applications3 Planning, production, operation and production of events (expositions, conferences, exhibitions, etc.)4 Planning, design, construction and supervision of architecture5 Planning, design, construction, and supervision of urban planning and landscaping6 Planning, design and supervision of interiors, furniture, exhibitions, landscapes and products7 Implementation, use, licensing, maintenance and management of intellectual property rights (copyrights, patents, trademarks, utility model rights, design rights, etc.) in Japan and abroad8 Information intermediation and provision of information using networks such as the Internet, cable television, and communications satellites, as well as mail-order sales and settlement processing services9 Sales of food and beverages and planning, development, management and production of restaurants10 Advertising, marketing and sales promotion-------------【 Job Description】-------------■Business OverviewOperating as a compact team of under 30 members, the division primarily contracts directly with client enterprises to develop products, services, and business systems. Rather than merely executing requested software builds, the company identifies root-cause challenges and proposes strategic solutions. Collaborating closely with clients, the team designs operational processes, system architectures, and return on investment (ROI), driving digital transformation (DX) as one of its core competencies.■Your RoleAs a Frontend Engineer, you will construct user interfaces for mobile applications and websites utilizing modern technologies such as Next.js (React), Nuxt.js (Vue), and Flutter. In launching new business initiatives, the engineer will collaborate closely with clients, handling everything from system architecture design to implementation to support business growth, cost optimization, and operational process establishment. The company is seeking an individual who can lead projects hands-on while actively contributing to team management and mentoring junior engineers.【Responsibilities】The engineer will directly contribute to developing and enhancing high-MAU mobile applications for prominent Japanese enterprises. Additionally, the role involves building secure, highly available websites and web services using Jamstack architecture to withstand massive traffic spikes, such as those triggered by nationwide TV broadcasts. The scope extends beyond software development, focusing heavily on maximizing end-user value, driving customer acquisition, and elevating client brand power.【Project Examples】・Development and maintenance support for online ticketing services.・Development and maintenance of consumer apps and digital marketing platforms for manga cafes and karaoke chains.・Development and maintenance of enterprise operational systems for ice cream chains and drugstore chains.・Construction of data analytics platforms for hamburger chains and manga cafes.・Enhancement and operation of high-traffic websites and e-commerce platforms built on Jamstack architecture.・Evaluation of legacy systems and modernization toward cloud-native architectures.【Key Takeaways & Career Development】・Master modern web development using advanced JavaScript frameworks such as Next.js (React) and Nuxt.js (Vue).・Gain specialized expertise in cross-platform mobile application development leveraging Flutter.・Collaborate closely with UI/UX designers on user-centric product engineering.・Build flat, collaborative partnerships with internal teams and external clients, leading flexible and resilient project operations.・Sharpen analytical problem-solving and root-cause resolution capabilities.■Global Talent & Working Style]・Foreign Engineers on Team: 2 out of 25 core team members・Foreign External Partners: 6 out of 15–20 external partner engineers・Nationalities: United States, India, Taiwan, China, Myanmar, Vietnam, and Russia・Working Style: The team currently operates on a hybrid model, coming into the office at least 3 days a week. However, when international team members temporarily return to their home countries, the company accommodates extended remote work periods of 2 weeks to 1 month through proactive advance planning with their teams and projects.■Internal Language・Primary Business Language: Meetings and internal documentation are conducted in Japanese.・Global Communication: English is utilized when collaborating with international engineers and partners.-------------【 Requirements】-------------■3+ years of experience in one of the following areas(Candidates looking to transition into frontend development from a backend engineering background are fully welcomed.)・Experience developing frontend frameworks using TypeScript/JavaScript (e.g., React, Vue, Angular, etc.) ・Experience in the design, development, and maintenance of web systems・Experience in the design, development, and maintenance of web systems・Experience building and operating CMSs for websites■LanguageBusiness-level Japanese proficiency■Preferred・Experience building automated tests, deployment workflows, and maintenance and operations systems for ongoing system development.・Experience developing web systems using Next.js or Nuxt.js・Experience with component-based UI/UX design・Experience developing architectures such as Jamstack・Experience designing Next.js rendering methods (CSR, SSG, SSR, ISR, AppRouter)■Ideal Applicants・Brings a bright, energetic, and optimistic attitude to the team.・Refuses to settle for the status quo and willingly pushes beyond traditional frameworks and boundaries.・Embraces diverse perspectives and cultures, with a strong drive to actively confront uncertainty.・Prioritizes long-term self-improvement and personal growth over short-term gains.・Dedicated to finding solutions that create value for both oneself and others.・Deeply understands the importance and responsibility that come with freedom of thought and action.・Capable of—and committed to—building strong, trustworthy relationships through open communication and information sharing.--------------------------------------------------【Working Time 】10：00～19：00■Welfare・Annual pay raise (June)・Annual bonus (April)・Commuting allowance (up to 35,000 yen per month)・Various social insurance programs・Reduced-hour work schedule available・Certification Acquisition Allowance (Passing Bonus)・Employee Benefits Services (Employee Benefits Station)・Health Checkup Subsidy・Health Checkup Subsidy・Business Casual Dress Code・External Training (twice a year)・Book Purchases・Seminar Subsidy■Holidays and Leave・Over 120 days off per year・Two days off per week (Saturday and Sunday)・National holidays・Year-end and New Year’s holidays・Bereavement leave・Paid vacation (granted after 6 months of employment)・Maternity leave (taken before and after childbirth)・Parental leave (taken before and after childbirth)-------------------------------------------------------------------------