Develop core features for HENNGE One, focusing on backend and web-platform development, ensuring secure access experiences for enterprises.
About this role
This frontend engineer develops HENNGE’s enterprise email-security platform. The role builds reactive interfaces and REST data layers using TypeScript, Vue 3 with the Composition API, Pinia, Vite, Vitest, Testing Library, Playwright, and Zod.
Responsibilities include delivering features, enforcing type safety and schema validation, and automated testing. The engineer joins code reviews and collective ownership, working with design, product, and customer success on accessible, internationalized experiences.
Applicants need at least three years using TypeScript on a full-time production project and must write Vue 3 with the Composition API. They need computer-science fundamentals, design patterns, reactivity, state management, network requests, standard engineering tools, and the ability to produce tested, type-safe code. Pairing, co-authorship, and responsible AI use are required. English fluency at CEFR B2 or above is required; Japanese is not.
This is an AI-generated summary of the employer's original posting — details can be incomplete, out of date or simply wrong. Always confirm everything on the official posting before applying.
Similar jobs
Develop backend and web-platform solutions for HENNGE One, focusing on high-security file exchange and cloud infrastructure.
Lead the frontend development of Tadrill, focusing on building features that enhance cybersecurity awareness and resilience among employees.
Lead DX and data-driven marketing initiatives by designing system architecture and data platforms, integrating external APIs, automating operations, and prototyping LLM/RAG tools in Tokyo.
Build generative-AI agent products from validation through launch and improvement. Define requirements, design architectures, and develop cloud systems; the role supports office or remote work in Japan.
Lead AI and LLM solution delivery for client organizations, from identifying operational challenges and shaping requirements through PoC development, implementation, deployment, and ongoing improvement.