{"id":2815851,"url":"https://alion.io/job/oakclinic-group-full-stack-system-engineer","title":"Full-Stack System Engineer","company":{"id":4441551,"name":"Oak Clinic","domain":"oakclinic-group.com","url":"https://alion.io/company/oakclinic-group","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Jobcan","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Osaka, Japan"],"countries":["JP"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":400000,"max":800000,"currency":"JPY","period":"month","gross":null,"usd_annual":61368},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"C#","optional":false},{"name":"JavaScript","optional":false},{"name":"JQuery","optional":false},{"name":"PHP","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Blazor","optional":true}],"status":"live","first_seen_at":"2025-11-28T02:48:22Z","employer_posted_date":"2025-11-28","last_verified_at":"2026-10-30T22:22:55Z","board_verified":true,"closed_at":null,"days_open":336,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":335},"description":"Job Description\nAt Oak Solutions Co., Ltd., we provide consulting services that begin with analyzing our clients’ needs and extend to translating their business processes into code.\nWe specialize in Agile development using DDD and provide comprehensive IT-based solutions to address a wide range of challenges faced by businesses.\nOriginally established as an independent development division within an advanced medical institution, we now primarily serve healthcare clients, but we also provide management consulting and development services across all industries.\nIn addition to conventional business applications, we tackle a wide range of challenges, including image analysis and bioinformatics. Although we are a small company, we engage in a lot of international business, and our team is internationally diverse.\nTo ensure we stay up-to-date with cutting-edge technologies, we offer a comprehensive training system, including in-house study sessions and participation in external seminars and academic conferences.\nResponsibilities\nMedical IT Systems\nMedical AI Development (including reproductive medicine)\nR&D Support Systems\nOnline Medical Consultation Systems\nCall Center Systems\nNursing Care Support & Care Billing Systems\nAccounting, HR, and General Administration Systems\nDesign & Implementation of Bioinformatics Analysis Systems\nAlgorithm Development for Genetic Analysis & Genome Data Processing\nAnalysis of Medical Data (imaging, text, numerical) and Model Development\nDevelopment and maintenance of various systems.\nOur team primarily works with C# and .NET, and also uses Java, JavaScript, and FileMaker in both on-premises and cloud environments.You will have the opportunity to work across a wide range of areas, from front-end and back-end development to infrastructure in cloud environments.Through developing business systems, you will help drive digital transformation (DX) in medical settings, and also be involved in research and development in AI and the bio-sciences.\nComprehensive Training Program\nWe provide an environment where you can continuously develop your skills through in-house study sessions, external seminars, and participation in academic conferences.\nInternational Work Environment\nWith extensive international business and a diverse, global team, you will have the opportunity to develop a truly global perspective.\n＜採用情報＞\n▼定員\n2 名\n▼応募資格\nWhat we are looking for\nNo educational background required\nRequired Qualifications (must meet at least one of the following)\n・ Experience in designing and developing systems using C# , .NET , or Java\n・ Experience in designing and developing web systems (front-end/back-end) using JavaScript, jQuery, ASP.Net, Java, PHP, FileMaker, etc.\n・ Experience in system operations management or managing a systems department\nPreferred Qualifications\n・Experience developing systems using C#, .NET, or Blazor\n・Experience building systems on AWS or Azure\n・Hands-on experience in network or security operations management\nYou can work using multiple monitors, ensuring a comfortable and efficient work environment.\n※Eligible candidates are foreign nationals who currently reside in Japan.\n▼勤務地\n大阪府\n6th Floor, Osaka Yotsubashi Shinmachi Building, 1-4-24 Shinmachi, Nishi-ku, Osaka\n5-minute walk from Shinsaibashi Station on the Osaka Metro Midosuji Line\n1-minute walk from Yotsubashi Station on the Yotsubashi Line\n▼勤務時間\nWork Schedule: Shift-based\nActual Working Hours: 8 hours per day\nAverage Working Days: 21-22 days per month\nWorking Hours: 8:30 AM - 5:30 PM (1-hour break)\n▼想定給与\nMonthly Salary: ¥400,000 - ¥800,000\n※Salary will be determined based on experience and skills.\n※Overtime pay is paid separately.\n≪Estimated Annual Salary≫\n6,000,000 - 10,000,000 JP\n▼待遇\nAllowances\n・Annual salary increase (once per year in April)\n・Bonus (twice per year in January and July)\n・Commuting allowance (up to ¥25,000 per month)\n・Perfect attendance allowance\n・Overtime allowance\n・Weekend and holiday allowance\nSocial Insurance\nHealth Insurance, Welfare Pension Insurance, Employment Insurance, Workers’ Compensation Insurance\n▼休日・休暇\nAnnual Days Off\n110 days\nPaid Leave\n10 days after six months of employment (as per the law)\nLeave System\nCelebration and Condolence Leave\n▼その他要件\nProbation & Training Period\n・Probation Period: 3 months\n・Conditions during probation and training: same as regular employment\n※Renewed annually\n▼募集拠点\n四ツ橋\n大阪府大阪市西区新町1丁目4-24 大阪四ツ橋新町ビル6Ｆ\n▼選考の流れ\nApplication and Selection Process\n1. Application Screening\n↓\n2. Web Interview and Practical Test\n↓\n3. Job Offer\n・After reviewing your application, we will contact you with details such as the interview date.\n・Please feel free to discuss the interview schedule or your desired start date with us.\n※Those currently employed are welcome to inquire as well.\n▼会社概要\nContact Information:\nPhone: 06-6655-5008\nEmail: \nCompany: Oak Solutions Co., Ltd.\nAddress: 6F Osaka Yotsubashi Shinmachi Building, 1-4-24 Shinmachi, Nishi-ku, Osaka 550-0013, Japan\nhttps://oak-sol.com/en/","description_format":"text","description_chars":5020,"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":"Advanced (C1)","optional":false}]},"benefits":["Health insurance"],"hiring_locations":[{"name":"Japan","iso":"JP","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-18T13:08:27Z"}],"visa":[],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.127,"p_room":0.28,"age_days":336,"expected_fill_days":24,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-10-30T05:48:23Z"},"pay":{"stated_usd_annual":61368,"is_top_pay":false},"html_url":"https://alion.io/job/oakclinic-group-full-stack-system-engineer","json_url":"https://alion.io/job/oakclinic-group-full-stack-system-engineer.json","meta":{"generated_at":"2026-10-30T22:31:15Z","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":13352,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":4441551},"rest":"https://alion.io/mcp/rest/get_company?id=4441551"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Foakclinic-group-full-stack-system-engineer"},{"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%2Foakclinic-group-full-stack-system-engineer"},{"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%2Foakclinic-group-full-stack-system-engineer"},{"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/oakclinic-group-full-stack-system-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Foakclinic-group-full-stack-system-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2815851}},{"tool":"search_jobs","arguments":{"company":"oakclinic-group.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2815851},"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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