Frontend Engineer

★ Front-End Engineer | Sales tech SaaS company Business Level Japanese Required (N2 Level) ◆ Flextime & Fully Remote Work ◆ Start-up Company ◆ Annual Salary： 5.4 million ～ 13 million yen. -------------【About the company】------------- The company aims to create a rich society where "true communication" flourishes. They define "true communication" as not merely conveying information, but as communication that evokes emotion, stirs passion, and appeals to human sensibility. This encompasses various forms of communication: between people, between individuals and society, between companies and society, and both verbal and non-verbal interactions. Through their business activities, the company strives to build a society where people of rich sensibility resonate with one another. The company is a SaaS firm with the mission of "reinventing communication to create a society where people care for one another." They provide AI × Voice × Cloud software and databases, primarily in the sales domain. Recently, they've been developing AI-powered B2B services. This includes creating and offering an AI-powered voice analysis phone that visualizes sales conversations for self-coaching and enables remote work, as well as an AI-equipped online business negotiation analysis tool. -------------【 Job Description】------------- 【Responsibilities】 You'll contribute to the company's overall web application development, focusing on feature additions, maintenance, and enhancing usability and stability. Specifically, you'll collaborate with designers and product managers, handling everything from requirements definition to frontend implementation. You'll be expected to master the design system and improve usability and accessibility to drive user engagement with the service. Additionally, you'll be involved in operational tasks like resource monitoring, incident response, and bug investigation, working to improve the overall quality of products, primarily on the frontend. 【Job Satisfaction】 The company's application is an industry-leading product that supports over 250 million voice calls annually. In this role, you'll have the opportunity to engage in innovative feature development that directly impacts users, shaping the future of communication by leveraging the latest technologies, including AI. Development primarily uses TypeScript and React. The development environment is continuously improved and optimized, allowing you to experiment with many new technologies and tools. It's also an environment where you can challenge yourself in areas beyond frontend development and even project management, offering abundant opportunities to grow as an engineer. You can enjoy technical challenges while working on a real-time communication service, participating in product development that makes a significant impact on the industry. Your creativity and technical skills have the potential to transform business communication. 【Development Environment】 Languages: TypeScript, Python, Rust Protocols: WebSocket, WebRTC, SIP Libraries: React, Recoil, Apollo Client, sip.js, Vite, ESLint, Prettier, Cypress, Jest, FastAPI, Django, SQLAlchemy API/Communication: REST, GraphQL Infrastructure: AWS EC2 / ECS / RDS / S3 / CloudFront, Terraform, PostgreSQL, Docker, Node.js, Asterisk Services: GitHub, Notion, Figma, Qase, Autify, Datadog -------------【 Requirements】------------- 【Required】 Experience developing with TypeScript. Experience developing with either React or Vue.js (frontend frameworks). 【Preferred】 Experience developing real-time communication applications using WebRTC or similar technologies. Knowledge of Salesforce. Experience developing web applications using GraphQL. Experience using the SIP protocol. Experience with performance tuning and troubleshooting. Experience in designing, developing, reviewing, and testing the frontend of high-availability services, as well as their maintenance and operation. Experience in technical selection for entire services, considering requirements, cost, and productivity. Experience contributing to OSS (Open Source Software), giving presentations, or writing technical content. Experience in project management involving 10 or more stakeholders. Experience in team management for teams of 5 or more members. 【Ideal Applicants】 Empathy with mission vision Embodying values Able to work well in a team environment Good at thinking logically Highly motivated for personal growth -------------------------------------------------- 【Working Hours】 Flextime System 【Holidays】 ・Saturday/Sunday/National Holiday ・Annual Paid Leave ・New Year Holiday ・Special Paid Leave ・Congratulations & Condolence Leave ・Summer Holiday 【Welfare】 ・Commuting allowance ・Comprehensive social insurance ・Subsidies for books, IT equipment, etc ・Expense coverage for work-related seminars, study groups, and conferences ・Subsidies for online courses (Udemy, Udacity, etc.) and qualification acquisition ・Side jobs permitted ・Stock option program ・15% rule -------------------------------------------------------------------------