Senior Data Scientist

We are seeking a highly skilled and motivated Senior Data Scientist - GenAI to join the Long Term Care (LTC) Fraud, Waste & Abuse (FWA) Advanced Analytics team. In this role, you will lead the design and deployment of high impact machine learning and AI solutions—combining traditional statistical modeling with advanced AI and Generative AI techniques including but not limited to generative AI techniques, such as applying prompt engineering, working with RAG applications, fine-tuning LLM models, and deploying applications on cloud platforms like Azure. You will work closely with business partners to translate complex fraud and risk problems into scalable, production ready analytical and AI solutions. Your work will directly protect policyholders, ensure program integrity, and improve operational efficiency.

Position Responsibilities:

Lead end to end development of fraud detection and risk analytics models, including probabilistic models, anomaly detection, and ensemble approaches. Perform advanced modeling and AI analysis on large, complex datasets to identify emerging fraud patterns and root causes. Demonstrate proficiency in developing, fine-tuning, and deploying Generative AI models such as GPT models, as well as other innovative architectures. This includes understanding the nuances of model selection, optimization, and evaluation to ensure high performance and accuracy, while managing cloud-based solutions to ensure scalability, security, and performance. Build and optimize modular RAG (Retrieval-Augmented Generation) systems, apply advanced retrieval methods, and evaluate and monitor the performance of RAG systems. Apply large language models (LLMs) to parse complex documents and handle diverse layouts, such as multi-column text, tables, and images, and converting them into machine-readable formats to extract structured information. Stay up-to-date with the latest advancements in Generative AI, prompt engineering, Agentic Framework, and cloud technologies, to apply them and enhance our data science capabilities. Collaborate with data engineers and ML engineers to integrate data science solutions into existing systems and workflows. Communicate sophisticated technical concepts and findings to both technical and non-technical partners, ensuring clear understanding and agreement. Review the work of other Data Scientists and take part in model and code reviews. Collaborate with multi-functional teams to identify and define business requirements, ensuring alignment with data science objectives.

Required Qualifications:

Master's, or Ph.D. degree in Computer Science, Data Science, Statistics, Engineering, Physics, or a related quantitative field. 5+ years of hands on industry experience in developing probabilistic models, analytics, and machine learning algorithms, including real world experience of applying analytics models, with a strong focus on machine learning, generative AI, timely engineering, and RAG applications Proficiency in programming languages such as Python and experience with machine learning libraries/frameworks, e.g., PyTorch, scikit-learn, Hugging Face, SQL, graph databases (Neo4j/

Cypher, Cosmos DB Preferred Qualifications:

Knowledge of professional software engineering practices & standard methodologies for the full software development process, including coding standards, code reviews, source control management, build processes, testing, and operations. Strong collaboration and elaboration skills; demonstrates a strong commitment to organizational success; shares resources and demonstrates knowledge across the organization. Strong problem-solving skills and the ability to think critically and creatively to develop innovative solutions. Excellent communication and collaboration skills, with the ability to work optimally in multi-functional teams. Strong problem solving mindset with the ability to think critically and creatively. Excellent communication and collaboration skills, with comfort working in cross functional teams.

When you join our team:

We'll empower you to learn and grow the career you want. We'll recognize and support you in a flexible environment where well-being and inclusion are more than just words. As part of our global team, we'll support you in shaping the future you want to see. #LI-Hybrid The role being advertised is an existing vacancy. Tentang Manulife dan John Hancock Manulife Financial Corporation adalah penyedia layanan keuangan internasional yang membantu memudahkan keputusan dan membuat hidup lebih baik bagi nasabah. Untuk mempelajari lebih lanjut tentang kami, kunjungi https://www.manulife.co.id . Manulife adalah Perusahaan dengan Kesetaraan Kesempatan Kerja Di Manulife/John Hancock, kita merayakan keragaman. Kita berusaha menarik, mengembangkan, dan mempertahankan tenaga kerja yang sama beragamnya dengan nasabah yang kita layani dan untuk mengembangkan lingkungan kerja inklusif yang menerima kekuatan budaya dan individu. Kita berkomitmen untuk melaksanakan rekrutmen, retensi, peningkatan, dan kompensasi secara adil, dan kita mengatur semua praktik dan program tanpa adanya diskriminasi. Baik itu diskriminasi karena ras, keturunan, tempat asal, warna kulit, asal etnis, kewarganegaraan, agama atau keyakinan agama, kepercayaan, jenis kelamin (termasuk kehamilan dan kondisi terkait kehamilan), orientasi seksual, karakteristik genetika, status veteran, identitas gender, ekspresi gender, usia, status pernikahan, status keluarga, disabilitas, maupun alasan lain yang dilindungi oleh hukum yang berlaku. Menyediakan akses hubungan kerja yang adil merupakan prioritas utama kita. Seorang perwakilan Human Resources akan bekerja dengan pelamar yang meminta akomodasi yang wajar selama proses lamaran kerja. Seluruh informasi yang dibagikan selama proses permohonan akomodasi akan disimpan dan digunakan dengan cara yang sesuai dengan hukum dan kebijakan Manulife/John Hancock yang berlaku. Untuk meminta akomodasi yang wajar dalam proses lamaran kerja, silakan hubungi hr@manulife.com . Referenced Salary Location Boston, Massachusetts Working Arrangement Kombinasi Salary range is expected to be between $107,450.00 USD - $199,550.00 USD Employees also have the opportunity to participate in incentive programs and earn incentive compensation tied to business and individual performance. The actual salary will vary depending on local market conditions, geography and relevant job-related factors such as knowledge, skills, qualifications, experience, and education/training. If you are applying for this role outside of the primary location, please contact hr@manulife.com for the salary range for your location. Manulife/John Hancock offers eligible employees a wide array of customizable benefits, including health, dental, mental health, vision, short- and long-term disability, life and AD&D insurance coverage, adoption/surrogacy and wellness benefits, and employee/family assistance plans. We also offer eligible employees various retirement savings plans (including pension/401(k) savings plans and a global share ownership plan with employer matching contributions) and financial education and counseling resources. Our generous paid time off program in the U.S. includes up to 11 paid holidays, 3 personal days, 150 hours of vacation, and 40 hours of sick time (or more where required by law) each year, and we offer the full range of statutory leaves of absence. We use data and analytics technologies, such as artificial intelligence (AI), and automated processing tools, to analyze and process the information you provide to us or third parties in the application process. For more information, please refer to our personal information collection statement . Know Your Rights I Family & Medical Leave I Employee Polygraph Protection I Right to

Work I E-Verify Company:

John Hancock Life Insurance Company (U.S.A.)