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Senior Data Scientist – Agentic AI: Drive LLM research & graph science to build production‑grade AI agents at State Street.
Lead cross‑functional teams, develop knowledge graphs, evaluate models, and shape next‑generation AI solutions.
Who we are looking for:
We are seeking a highly motivated and technically skilled Data Scientist to join our AI/ML science team as part of the Agentic AI platform buildout. The Science pillar advances LLM research, fine‑tuning, evaluation frameworks, anomaly detection, and frontier model development—partnering closely with Platform Engineering, SRE, and Pods/Business Engagement to ship production‑grade agents and platform features.
What you will be responsible for
- Own BU specific problem statements and objectives to deliver value leveraging agentic AI workflows and domain LLMs
- LLM research and fine‑tuning including evaluating foundational models, fine‑tuning and prompt optimization with robust data curation and governance alignment
- Evaluation frameworks & taxonomies and Frontier model evaluation and buildout
- Develop and maintain knowledge graphs and embeddings for semantic search and reasoning
- Inference engine for scalable, low latency serving for tuned models, agentic workflows and cost optimization
- Collaborate with engineering teams to deploy scalable AI solutions in production environments.
- Conduct experiments and evaluations to benchmark model performance and ensure robustness
- Opportunity to Research, document and socialize
Education & Preferred Qualifications
Bachelor’s or Master’s degree in Computer Science, Data Science, Machine Learning, or related field.
5+ years of experience in applied machine learning or NLP.
Hands‑on experience with LLM’s, GenAI or NLP at production scale
Strong understanding of graph databases (e.g., Neo4j, RDF, DGL) and knowledge graph construction.
Proficiency in Python and ML libraries (PyTorch, TensorFlow, Scikit‑learn).
Familiarity with cloud platforms (AWS, Azure, GCP) and MLOps practices.
Prior work on agentic AI is a big plus
Salary Range:
$120,000 - $202,500 Annual
The range quoted above applies to the role in the primary location specified. If the candidate would ultimately work outside of the primary location above, the applicable range could differ.
Employees are eligible to participate in State Street’s comprehensive benefits program, which includes: our retirement savings plan (401K) with company match; insurance coverage including basic life, medical, dental, vision, long‑term disability, and other optional additional coverages; paid‑time off including vacation, sick leave, short term disability, and family care responsibilities; access to our Employee Assistance Program; incentive compensation including eligibility for annual performance‑based awards (excluding certain sales roles subject to sales incentive plans); and, eligibility for certain tax advantaged savings plans.
For a full overview, visit https://hrportal.ehr.com/statestreet/Home.
About State Street
Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success.
We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you’ll benefit from inclusive development opportunities, flexible work‑life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future.
As an Equal Opportunity Employer
We consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law.
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Job Application Disclosure:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.