{"id":1224903,"url":"https://alion.io/job/fast-accounting-pd-2e-machine-learning-engineer-ai-specialist","title":"PD-2E.Machine Learning Engineer (AI Specialist)","company":{"id":2192412,"name":"Fast Accounting","domain":"fastaccounting.jp","url":"https://alion.io/company/fastaccounting","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"HERP","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":null,"employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Minato, Japan"],"countries":["JP"],"hiring_countries":["JP"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false},{"name":"NLP","optional":false},{"name":"OCR","optional":false},{"name":"Scrum","optional":false}],"status":"live","first_seen_at":"2025-07-04T08:07:04Z","employer_posted_date":"2025-07-04","last_verified_at":"2026-10-25T00:17:08Z","board_verified":true,"closed_at":null,"days_open":477,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":476},"description":"PD-2E.Machine Learning Engineer (AI Specialist)\nDescription\nWe have developed and proposed a cloud service (SaaS) that automates work in the fields of accounting and finance by utilizing AI (deep learning) and combining it with deep learning technology centered on AI-OCR.\nThis service is attracting a great deal of attention as a service that realizes accounting DX and realizes the way of accounting in the digital and AI age, and opportunities for introduction and business negotiations are increasing dramatically, mainly among enterprise companies.\nIn September 2023, we listed on the TSE Growth Market and are aiming to further expand our business.\nWe are looking for new colleagues to strengthen our team to realize continuous improvement of service functions and quality of each product.\n◆ Job Description\nAs a backend engineer (full stack engineers welcome), you will develop AI services specialized in the accounting field developed in-house.\nThe main in-house developed products are “Robota”, “Remota”, and “Billing (Peppol) platform service”, and there are three major development projects related to them.\n1) Web application service to support DXing of accounting tasks by AI\n2) AI engine API service to support accounting automation\n3) Standard (Peppol) platform service to send and receive electronic invoices from various systems\nThis position will be involved in all projects and develop common infrastructure areas using AI.\nFA is developing in scrum teams, collaborating with in-house research teams (research scientists (CV, NLP)) and related engineers to carry out projects.\n◆Main areas of application\n- Development of AI programs and implementation of AI models for “Robota,” “Remota,” and “Peppol compatible products\nResearch related items :\nimage recognition, natural language processing, document analysis, LLM, research papers, reproduction implementation, deep learning, data analysis\nDevelopment related items :\nAPI development, AI model implementation, prototyping\nIn order to continuously improve system development to enhance experience, quality, and development efficiency, and to improve the development capabilities of the entire team, we never fail to provide technical input and encourage participation in and sponsorship of study groups.\n◆Attractiveness of this position\n・We have a strong market share in the accounting DX and AIxOCR areas, and are involved in AI development for cutting-edge products.\n・We have an in-house research and development department, where we collaborate with excellent research scientists and engineers to build original AI models and develop cutting-edge technologies such as generative AI and self-developed LLM.\n・We develop products that are actually used in business. We can utilize abundant data from the business field for development.\nOur company culture encourages teamwork, and we provide an open environment where people can work independently and cooperate with each other in a supportive manner without hierarchical relationships.\nLet's work together to create and propose the “future” of accounting, which will be realized by cutting-edge technologies such as AI !\nRequirements\nWe have developed and proposed a cloud service (SaaS) that automates work in the fields of accounting and finance by utilizing AI (deep learning) and combining it with deep learning technology centered on AI-OCR.\nThis service is attracting a great deal of attention as a service that realizes accounting DX and realizes the way of accounting in the digital and AI age, and opportunities for introduction and business negotiations are increasing dramatically, mainly among enterprise companies.\nIn September 2023, we listed on the TSE Growth Market and are aiming to further expand our business.\nWe are looking for new colleagues to strengthen our team to realize continuous improvement of service functions and quality of each product.\n◆ Job Description\nAs a backend engineer (full stack engineers welcome), you will develop AI services specialized in the accounting field developed in-house.\nThe main in-house developed products are “Robota”, “Remota”, and “Billing (Peppol) platform service”, and there are three major development projects related to them.\n1) Web application service to support DXing of accounting tasks by AI\n2) AI engine API service to support accounting automation\n3) Standard (Peppol) platform service to send and receive electronic invoices from various systems\nThis position will be involved in all projects and develop common infrastructure areas using AI.\nFA is developing in scrum teams, collaborating with in-house research teams (research scientists (CV, NLP)) and related engineers to carry out projects.\n◆Main areas of application\n- Development of AI programs and implementation of AI models for “Robota,” “Remota,” and “Peppol compatible products\nResearch related items :\nimage recognition, natural language processing, document analysis, LLM, research papers, reproduction implementation, deep learning, data analysis\nDevelopment related items :\nAPI development, AI model implementation, prototyping\nIn order to continuously improve system development to enhance experience, quality, and development efficiency, and to improve the development capabilities of the entire team, we never fail to provide technical input and encourage participation in and sponsorship of study groups.\n◆Attractiveness of this position\n・We have a strong market share in the accounting DX and AIxOCR areas, and are involved in AI development for cutting-edge products.\n・We have an in-house research and development department, where we collaborate with excellent research scientists and engineers to build original AI models and develop cutting-edge technologies such as generative AI and self-developed LLM.\n・We develop products that are actually used in business. We can utilize abundant data from the business field for development.\nOur company culture encourages teamwork, and we provide an open environment where people can work independently and cooperate with each other in a supportive manner without hierarchical relationships.\nLet's work together to create and propose the “future” of accounting, which will be realized by cutting-edge technologies such as AI !\nPreferred Experiences\n・Experience in research, writing papers, and presenting at conferences related to machine learning\n・Ph.D. in CS field\n・Experience in research or development using LLM\n・Experience with LLM research and development\n・Experience contributing to Open Source Software (OSS)\n・Experience in agile product development\nWe are looking for\n・Applicant have to have a passion for development\n・Mindset to actively contribute Applicant’s experience to the team.\n・Mindset to adopt new technologies\n・Those who value working in a team-oriented environment.\n・Those who can feel the value of accomplishing a big task.\nOur Values\nWe value the following ideas. We place great importance on the following five keywords in our selection process.\n- Can Do Attitude: Always looking for ways to do things\n- Trust: We trust each other and also earn the trust of our customers.\n- Teamwork: There is only so much one person can do. We work as a team to support each other to accomplish our mission.\n- Passion: To succeed, you must be passionate about what you do.\n- Move Fast: To succeed, it is essential to move fast.\nWorking Conditions\nSalary\nAnnual salary: 7 million yen to 12 million yen\n*The above is a general guideline. We will determine the amount in consideration of your experience, skills, and current salary.\n*Includes 45 hours/month of deemed overtime.\n(Fixed overtime: 146,321 yen/month *for 7 million yen/year). Overtime in excess of the above will be paid.\nLocation\nShiba Park Building A, 3F, 2-4-1 Shiba-Koen, Minato-ku, Tokyo\n*5 minutes walk from Hamamatsucho Station on JR Line, Daimon Station and Shibakoen Station on Toei Line.\nJob Type\npermanent employee\nWork hours\n◆Working Hours and Work Style\n・Working hours: 9:30-18:30, in-office work\n◆Holidays and leave\n・Weekends off (Saturdays and Sundays), Japanese national holidays\n・Summer vacation (3 days; the number of days may vary each year depending on company policy)\n・Long-Service Recognition Leave (additional paid leave granted based on tenure, with up to one month available)\n・Year-end/New Year holidays (generally December 29 - January 3; the number of days may vary each year depending on company policy)\n・Paid leave, caregiver leave (paid leave separate from annual paid leave), nursing leave (paid leave separate from annual paid leave), condolence leave, menstrual leave, special prenatal leave, etc.\n*Nursing leave can be used not only when caring for a child under 12 due to illness, but also for school-related events such as entrance ceremonies, graduation ceremonies, and other school functions.\n◆Smoking Policy\nSmoking is prohibited indoors\nProbation period\nTrial period: 3 months (As a general rule, three months from the date of joining the company. However, it may be extended up to a maximum of six months.)\nBenefits\n◆Insurance\nVarious social insurances (health insurance, employee's pension, unemployment insurance, workers' accident compensation insurance)\n(health insurance, employee pension, unemployment insurance, workers' accident compensation insurance)\n◆Benefits\n・Transportation expenses are paid (up to a maximum limit).\n・Trust stock option plan\n・ESPP（Employee Stock Purchase Plan）\n・MVP Award (half year), President's Award\n・Support for purchase of technical books\n・Certification exam fee subsidy\n・Incentive program for obtaining certifications\n・Influenza vaccination subsidy\n・Free dress code\n・Social gatherings (once a month at the company's expense, held at the Tokyo and Fukuoka offices)\n◆Other amenities\n・Free drinks (mineral water, coffee)\n・A weekly banana delivery is provided to the office","description_format":"text","description_chars":9827,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":false,"languages":[{"language":"Japanese","level":"Advanced (C1)","optional":false}]},"benefits":["Health insurance"],"hiring_locations":[{"name":"Japan","iso":"JP","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence"],"lifecycle":[{"event":"open","at":"2026-09-25T13:08:02Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.162,"p_room":0.28,"age_days":476,"expected_fill_days":27,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/fast-accounting-pd-2e-machine-learning-engineer-ai-specialist","json_url":"https://alion.io/job/fast-accounting-pd-2e-machine-learning-engineer-ai-specialist.json","meta":{"generated_at":"2026-10-25T01:46:54Z","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":2704,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":2192412},"rest":"https://alion.io/mcp/rest/get_company?id=2192412"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffast-accounting-pd-2e-machine-learning-engineer-ai-specialist"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Ffast-accounting-pd-2e-machine-learning-engineer-ai-specialist"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Ffast-accounting-pd-2e-machine-learning-engineer-ai-specialist"},{"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/fast-accounting-pd-2e-machine-learning-engineer-ai-specialist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffast-accounting-pd-2e-machine-learning-engineer-ai-specialist"}]}