{"id":3950915,"url":"https://alion.io/job/90ds-ai-engineer-voice","title":"AI Engineer (Voice)","company":{"id":4527465,"name":"90Ds","domain":"90ds.net","url":"https://alion.io/company/90ds","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Tokyo, Japan"],"countries":["JP"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":6000000,"max":9000000,"currency":"JPY","period":"year","gross":null,"usd_annual":57222},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"LLM","optional":false}],"status":"live","first_seen_at":"2026-11-09T02:03:09Z","employer_posted_date":null,"last_verified_at":"2026-11-09T02:03:09Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"We're looking for an AI Engineer to own HiKana's real-time voice conversation stack-speech recognition, TTS, LLM dialogue, and latency. HiKana is an iOS and Android app where English speakers practice Japanese by talking with Kana, an original AI anime character.\nYou'll work closely with our technical co-founder in a small Tokyo team, shipping improvements that learners feel immediately in every conversation.\nResponsibilities\nDesign and improve real-time voice AI: ASR, TTS, turn-taking, barge-in, and end-to-end latency\nIntegrate and tune LLMs for spoken Japanese learning dialogue\nOwn reliability and quality metrics for live voice sessions on iOS and Android\nShip iteratively in a small, high-ownership team\nRequirements\nStrong English (required). Japanese is not required for day-to-day work\nGenuine motivation to learn Japanese (required)-our product and users are built around that journey\nHands-on experience with real-time voice or conversational AI\nComfortable shipping production systems, not only prototypes\nBased in or willing to work from Tokyo (Shibuya)\nNice to have\nJapanese ASR/TTS or multilingual voice models\nMobile or realtime audio (WebRTC) experience\nInterest in language learning or anime/IP consumer apps","description_format":"text","description_chars":1231,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Japanese","level":"All levels","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-11-09T03:30:25Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":25,"reasons":["seen:0","win:early"],"computed_at":"2026-11-09T04:22:53Z"},"pay":{"stated_usd_annual":57222,"is_top_pay":false},"html_url":"https://alion.io/job/90ds-ai-engineer-voice","json_url":"https://alion.io/job/90ds-ai-engineer-voice.json","meta":{"generated_at":"2026-11-09T04:22:53Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":3584,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4527465},"rest":"https://alion.io/mcp/rest/get_company?id=4527465"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2F90ds-ai-engineer-voice"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2F90ds-ai-engineer-voice"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2F90ds-ai-engineer-voice"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/90ds-ai-engineer-voice\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2F90ds-ai-engineer-voice"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3950915}},{"tool":"search_jobs","arguments":{"company":"90ds.net","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3950915},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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