{"id":1082415,"url":"https://alion.io/job/blued-senior-software-engineer","title":"Senior Software Engineer","company":{"id":5033,"name":"BLUED","domain":"blued.jp","url":"https://alion.io/company/blued","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"HERP","truth_index":{"grade":"C","score":61,"open_postings":14,"ghost_share":0.643,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_payroll_markers","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Tokyo, Japan"],"countries":["JP"],"hiring_countries":["JP"],"hiring_countries_total":1,"salary":{"min":9000000,"max":13000000,"currency":"JPY","period":"year","gross":null,"usd_annual":84266},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"JavaScript","optional":true},{"name":"Node JS","optional":true},{"name":"Python","optional":true},{"name":"React.js","optional":true},{"name":"Ruby","optional":true},{"name":"Ruby on Rails","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-09-21T02:49:33Z","employer_posted_date":null,"last_verified_at":"2026-09-21T02:49:33Z","board_verified":false,"closed_at":null,"days_open":49,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":49},"description":"We grew StudyIn into Japan’s largest overseas educational travel service by partnering with development agencies. Now, we’re making a deliberate shift toward in-house, AI-first product development, hiring senior engineering leadership and building our engineering organization. We recently hired a Head of Engineering with extensive experience at an internationally minded Japanese startup, and are now hiring a Senior Software Engineer to work directly alongside them.\nIn this role, you’ll help scale the business from hundreds of millions to billions of yen in transaction volume, while building architecture and engineering culture from the ground up. This includes helping decide the technology stack going forward, as we currently use a mix of Node.js, Ruby on Rails, and Python on the backend, a TypeScript / React frontend and AWS for infrastructure.\nResponsibilities\nProduct Development: Build and improve the web products used by prospective and current StudyIn students, with mobile apps also planned.\nAI Agents: Plan, design, and implement AI agents for knowledge search, business automation, and automated customer support, and integrate them into the product and business operations.\nRequirements\n5+ years of full-stack web development experience (both frontend and backend)\nBusiness-level Japanese. 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