{"id":69461,"url":"https://alion.io/job/appier-staffsenior-software-engineer-machine-learning-platform-ad-cloud-tokyo","title":"Staff/Senior Software Engineer, Machine Learning Platform (Ad Cloud) - Tokyo","company":{"id":177717,"name":"Appier","domain":"appier.com","url":"https://alion.io/company/appier-2","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":85,"open_postings":62,"ghost_share":0.161,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":281,"computed_at":"2026-10-17T05:46:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"staff","employment_type":null,"work_mode":"on_site","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":null,"salary_estimate":{"min_usd":67000,"max_usd":152000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1148},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Argo Workflows","optional":false},{"name":"ChatGPT","optional":false},{"name":"Claude Code","optional":false},{"name":"ClickHouse","optional":false},{"name":"Copilot","optional":false},{"name":"Flink","optional":false},{"name":"Google GKE","optional":false},{"name":"Grafana","optional":false},{"name":"Helm","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false},{"name":"OpenAI Codex","optional":false},{"name":"Platform Engineering","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false},{"name":"Spark","optional":false},{"name":"Terraform","optional":false},{"name":"GCP","optional":true}],"status":"live","first_seen_at":"2026-04-28T03:30:04Z","employer_posted_date":"2026-04-28","last_verified_at":"2026-10-18T11:36:34Z","board_verified":true,"closed_at":null,"days_open":173,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":173},"description":"About Appier\nAppier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information.\nThe Impact You’ll Make at Appier \nWe’re looking for a Staff/Senior Machine Learning Platform Engineer to join our Machine Learning Platform Team, which powers end-to-end infrastructure for model training, evaluation, deployment, and monitoring at scale. Our platform supports daily execution of hundreds of ML models and processes billions of data records across batch and streaming pipelines.\nIn this role, you’ll shape the architecture and core components of our ML platform-covering batch (Spark), streaming (Flink), job orchestration (Argo on Kubernetes), and infrastructure tools-while ensuring the platform remains robust, scalable, and developer-friendly. You’ll also champion best practices and modern development tools including LLM-based programming assistants.\n\nWhat You’ll Work On\nArchitect, implement, and scale batch (Spark) and streaming (Flink) pipelines that process billions of records daily for ML training and evaluation.\nDesign and operate robust ML job execution frameworks for training, inference, and post-processing.\nBuild and maintain internal API servers and developer tools to orchestrate ML jobs on Kubernetes (via Argo Workflows, Helm, Terraform).\nDesign and monitor data infrastructure using ClickHouse and PostgreSQL.\nEnsure high availability and observability through monitoring tools like Prometheus and Grafana.\nCollaborate with data scientists, product managers, and engineers to deliver reliable and efficient ML platform capabilities.\nActively adopt and promote the use of LLM-based tools (e.g., GitHub Copilot, ChatGPT) to accelerate development, documentation, and debugging.\nMentor junior engineers and help evolve team engineering culture and standards.\n\nWhat We’re Looking For\nBachelor’s degree in Computer Science, Engineering, or a related field; Master’s preferred.\n4+ years of hands-on experience in data systems, machine learning infrastructure, or platform engineering.\nStrong coding proficiency in Python and/or Java, with experience building large-scale production systems.\nPractical experience with Spark, Flink, Kubernetes (GKE), and infrastructure-as-code tools such as Terraform and Helm.\nExperience managing high-throughput data infrastructure using ClickHouse, PostgreSQL, or similar systems.\nDeep understanding of ML pipelines and distributed job execution in production environments.\nProven ability to apply LLM-based tools (claude code, codex) to boost engineering productivity.\nStrong ownership, architectural thinking, and ability to lead cross-functional platform projects.","description_format":"text","description_chars":2972,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Machine Learning","Advertising","Marketing & Sales AI"],"lifecycle":[{"event":"open","at":"2026-04-28T03:30:04Z"}],"visa":[],"liveness":{"score":61,"band":"ok","label":"Likely open","p_open":1,"p_active":0.848,"p_room":0.72,"age_days":172,"expected_fill_days":281,"reasons":["conf:2","velocity","win:mid","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/appier-staffsenior-software-engineer-machine-learning-platform-ad-cloud-tokyo","json_url":"https://alion.io/job/appier-staffsenior-software-engineer-machine-learning-platform-ad-cloud-tokyo.json","meta":{"generated_at":"2026-10-18T13:25:17Z","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":19953,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":177717},"rest":"https://alion.io/mcp/rest/get_company?id=177717"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fappier-staffsenior-software-engineer-machine-learning-platform-ad-cloud-tokyo"},{"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%2Fappier-staffsenior-software-engineer-machine-learning-platform-ad-cloud-tokyo"},{"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%2Fappier-staffsenior-software-engineer-machine-learning-platform-ad-cloud-tokyo"},{"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/appier-staffsenior-software-engineer-machine-learning-platform-ad-cloud-tokyo\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fappier-staffsenior-software-engineer-machine-learning-platform-ad-cloud-tokyo"}]}