Frontend Developer

Front End Engineer Location: Japan Work Style: Fully Remote Salary: ¥6,000,000 - ¥12,000,000 About the Company Our client is a growing SaaS company that helps large enterprises improve the UX of their web systems through browser extensions and JavaScript snippets. The company is also actively integrating generative AI to enhance both its products and development processes. About the Role We are looking for a Front End Engineer with strong React and TypeScript experience to help develop and evolve products used across a wide range of web services. You will have the opportunity to work with modern frontend technologies, browser APIs, and generative AI while contributing to product specifications and technical decisions. Responsibilities Develop frontend features using React and TypeScriptBuild scripts and browser extensions for Chrome, Edge, Safari, and other modern browsersImprove development efficiency through generative AI and automationParticipate in Scrum-based agile developmentWork with business and design teams to continuously improve the productProactively propose specifications and solutionsWrite automated tests and maintain high-quality code Tech Stack TypeScript, JavaScript, React, HTML5, CSS, Nx, Storybook, Vite, Webpack, SWC, Jest, Playwright, Go, GitHub, CI/CD Requirements Must Have: 3+ years of web application development and maintenance experienceProfessional experience with TypeScript and ReactExperience with HTML5 and CSSExperience writing test codeStrong interest in new technologies, including generative AI, and applying engineering principles to both products and development processesBusiness-level or fluent JapaneseNice to Have: Experience with Scrum or agile developmentDeep understanding of browser internals, including rendering, event handling, DOM, browser engines, and parsersServer-side development experience in any programming languageWhy Join? Work fully remotely from JapanBuild products that improve the UX of web applications used by major enterprisesWork at the intersection of Frontend × Browser Technology × Generative AIUse modern frontend technologies and development practicesCollaborate closely with business and design teamsChoose your own development machine and peripheralsSupport for books and conference participationEngineer-focused environment designed for productivity and growth We also have several other software engineering roles available, so if this position isn't the right fit, we'd be happy to explore other opportunities with you.