{"id":2505839,"url":"https://alion.io/job/crunchyroll-senior-machine-learning-engineer-fraud-detection","title":"Senior Machine Learning Engineer, Fraud Detection","company":{"id":40459,"name":"Crunchyroll","domain":"crunchyroll.com","url":"https://alion.io/company/crunchyroll-news","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Los Angeles, United States","San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":185000,"max":225000,"currency":"USD","period":"year","gross":null,"usd_annual":225000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"Amazon SageMaker","optional":false},{"name":"Anomaly Detection","optional":false},{"name":"AWS","optional":false},{"name":"Databricks","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Machine Learning","optional":false},{"name":"MLFlow","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"TensorFlow","optional":false},{"name":"XGBoost","optional":false}],"status":"live","first_seen_at":"2025-10-13T19:35:46Z","employer_posted_date":"2026-09-21","last_verified_at":"2026-10-15T01:43:33Z","board_verified":true,"closed_at":null,"days_open":366,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":366},"description":"About Crunchyroll\nFounded by fans, Crunchyroll delivers the art and culture of anime to a passionate community. We super-serve over 100 million anime and manga fans across 200+ countries and territories, and help them connect with the stories and characters they crave. Whether that experience is online or in-person, streaming video, theatrical, games, merchandise, events and more, it’s powered by the anime content we all love.\nJoin our team, and help us shape the future of anime!\nAbout the role\nIn the role of Senior Machine Learning Engineer, you will report to the Director of Data Science and Machine Learning in the Center for Data and Insights, working from Los Angeles or San Francisco area in California.\nIn this Machine Learning Engineer role focused on Algorithm Development and End-to-End Production at our VOD streaming company, you will lead the creation and deployment of scalable ML models to detect account sharing fraud, drawing from user behavior data like geolocation, concurrent sessions, and device profiles. This position is essential for collaborating with data scientists, product analysts, and data engineers, translating research prototypes into production systems that enhance detection accuracy while minimizing user disruption, aligning with proven strategies from streaming giants to boost subscriber growth.\nWe work a hybrid schedule, in-office three days a week; Tuesday, Wednesday, and Thursday. \nCore Areas of Responsibility\nDesign and implement machine learning algorithms, including anomaly detection models, to identify unauthorized account sharing in real-time.\nDevelop end-to-end ML pipelines for data preprocessing, model training, evaluation, and deployment using cloud platforms.\nOptimize models for performance, scalability, and efficiency to handle high-volume streaming data.\nIntegrate ML solutions with existing systems via APIs and establish monitoring for model drift and retraining.\nCollaborate on A/B testing and iteration to refine algorithms based on feedback and evolving evasion tactics.\nAbout You\nExperience: You bring 8+ years of hands-on experience in ML engineering, with a track record in fraud or anomaly detection systems, ideally in online, consumer facing products and services.\nTechnical Skills: Expert in Python and frameworks like TensorFlow, PyTorch, or XGBoost, with proficiency in MLOps tools such as MLflow, Docker, and cloud services like AWS SageMaker, Databricks MLFlow, etc. Experience with cloud computing infra and tooling such as AWS/GCP.\nCross-Functional Collaborations: Experienced in working with data scientists, engineers, and product teams to deploy models that support business goals like revenue optimization.\nCommunication Skills: Strong ability to document technical processes and explain algorithm decisions to diverse stakeholders for seamless integration.\nEducation Background: Possess a master's degree in computer science, machine learning, or a related quantitative field, with certifications in cloud ML being a plus.\nCommunication Skills: Excellent verbal and written communication skills, with the ability to convey complex technical concepts to non-technical stakeholders.\nEducational Background: Graduate degree (MS or PhD) in Computer Science, Statistics, or a related field.\nAbout the Team\nOur team is composed of passionate Machine Learning Engineers and Data Scientists who have already made a significant impact across our product offerings, content strategy, and user engagement metrics. As we expand our scope, our team is poised to become the cornerstone of innovation and growth across various business verticals within the company. We are dedicated to leveraging advanced machine learning techniques to continue transforming how users interact with and enjoy our offering of video contents and all other services.\nWhy you will love working at Crunchyroll\nIn addition to getting to work with fun, passionate and inspired colleagues, you will also enjoy the following benefits and perks:\nReceive a great compensation package including salary plus performance bonus earning potential, paid annually.\nFlexible time off policies allowing you to take the time you need to be your whole self.\nGenerous medical, dental, vision, STD, LTD, and life insurance\nHealth Saving Account HSA program\nHealth care and dependent care FSA\n401(k) plan, with employer match\nEmployer paid commuter benefit\nSupport program for new parents\nPet insurance and some of our offices are pet friendly!\n#LifeAtCrunchyroll #LI-Hybrid\nThe Pay Range for this position is listed. Actual pay will vary based on factors including, but not limited to location, experience, and performance. The range listed is just one component of Crunchyroll’s Total Rewards offerings for employees. Other rewards may include performance bonuses, employer matched retirement savings, time-off programs, and progressive health benefits and perks.\nPay Transparency - Los Angeles, CA\n$185,000—$225,000 USD\nThe Pay Range for this position is listed. Actual pay will vary based on factors including, but not limited to location, experience, and performance. The range listed is just one component of Crunchyroll’s Total Rewards offerings for employees. Other rewards may include performance bonuses, employer matched retirement savings, time-off programs, and progressive health benefits and perks.\nPay Transparency - San Francisco, CA\n$205,000—$240,000 USD\nAbout our Values\nWe want to be everything for someone rather than something for everyone and we do this by living and modeling our values in all that we do. We value\nCourage. We believe that when we overcome fear, we enable our best selves.\n\nCuriosity. We are curious, which is the gateway to empathy, inclusion, and understanding.\n\nKaizen. We have a growth mindset committed to constant forward progress.\nService. We serve our community with humility, enabling joy and belonging for others.\n\nOur commitment to diversity and inclusion\nOur mission of helping people belong reflects our commitment to diversity & inclusion. It's just the way we do business.\nWe are an equal opportunity employer and value diversity at Crunchyroll. Pursuant to applicable law, we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.\nCrunchyroll, LLC is an independently operated joint venture between US-based Sony Pictures Entertainment, and Japan's Aniplex, a subsidiary of Sony Music Entertainment (Japan) Inc., both subsidiaries of Tokyo-based Sony Group Corporation.\nQuestions about Crunchyroll’s hiring process? Please check out our Hiring FAQs: https://help.crunchyroll.com/hc/en-us/articles/360040471712-Crunchyroll-Hiring-FAQs\nPlease refer to our Candidate Privacy Policy for more information about how we process your personal information, and your data protection rights: https://tbcdn.talentbrew.com/company/22978/v1_0/docs/spe-jobs-privacy-policy-update-for-crpa-dec-21-22.pdf\nPlease beware of recent scams to online job seekers. Those applying to our job openings will only be contacted directly from @crunchyroll.com email account.","description_format":"text","description_chars":7146,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[]},"benefits":["Flexible time off","Life insurance","Pet friendly"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Fraud Detection","Artificial Intelligence","Sales & Marketing","Streaming & OTT Platforms"],"lifecycle":[{"event":"open","at":"2026-10-14T07:14:08Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.213,"p_room":0.28,"age_days":366,"expected_fill_days":31,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-10-15T03:24:15Z"},"pay":{"stated_usd_annual":225000,"is_top_pay":true},"html_url":"https://alion.io/job/crunchyroll-senior-machine-learning-engineer-fraud-detection","json_url":"https://alion.io/job/crunchyroll-senior-machine-learning-engineer-fraud-detection.json","meta":{"generated_at":"2026-10-15T03:24:15Z","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":4843,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"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":40459},"rest":"https://alion.io/mcp/rest/get_company?id=40459"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcrunchyroll-senior-machine-learning-engineer-fraud-detection"},{"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%2Fcrunchyroll-senior-machine-learning-engineer-fraud-detection"},{"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%2Fcrunchyroll-senior-machine-learning-engineer-fraud-detection"},{"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/crunchyroll-senior-machine-learning-engineer-fraud-detection\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcrunchyroll-senior-machine-learning-engineer-fraud-detection"}]}