> Markdown version of [/jobs/ext/165621-principal-data-science-engineer-financial-crimes](https://www.wearedevelopers.com/jobs/ext/165621-principal-data-science-engineer-financial-crimes). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Data Science Engineer - Financial Crimes - **Company:** Fmr LLC - **Location:** Jersey City, NJ, United States - **Experience:** Expert - **Salary:** $107,000.0 - $216,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Analysis, Artificial Neural Networks, Automation of Tests, Cluster Analysis, Code Review, Continuous Integration, Information Engineering, Data Transformation, Data Visualization, Relational Databases, Digital Assets, Information Retrieval, Python (Programming Language), Machine Learning, MongoDB, Oracle (Applications), SQL Databases, Transaction Data, Feature Engineering, Large Language Models, Snowflake, Data Build Tool (dbt), Model Validation, Generative AI, Information Technology, Non-relational Database, Machine Learning Operations, Data Pipelines - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=a7579efc33bb0505 ## About the Role * Bachelor's degree in Computer Science or equivalent technical discipline. * 6+ years of experience in software or data engineering, including leading and delivering complex projects. * Strong proficiency in Python or at least one object-oriented programming language (e.g., Java) with a focus on writing clean, modular, and testable code. * Strong experience querying relational databases (e.g., Oracle, Snowflake) and working with non-relational databases (e.g., MongoDB). * Hands-on experience with machine learning algorithms, including decision trees, neural networks, regression models, clustering, and anomaly detection. Preferred Skills * Domain expertise: Prior experience working with customer and transactional data in the fraud or AML space. * Digital assets knowledge: Understanding blockchain technologies; prior experience in cryptocurrency monitoring is a plus. * Experience with dbt (data build tool) for data transformation and pipeline development. * Prior experience developing solutions using large language models (LLMs), including Retrieval-Augmented Generation (RAG) for information retrieval and workflow automation. * Certifications such as CAMS (Certified Anti-money Laundering Specialist) or CFE (Certified Fraud Examiner) are desirable ## Description Financial Crimes Models & Analytics is seeking a Principal Data Science Engineer to lead the design, development, and optimization of our transaction monitoring surveillance models. You will partner with our Data Scientists, Business Intelligence analysts, Investigators, and Compliance professionals to translate regulatory requirements into scalable, rules based & machine learning detection models. This role requires a unique blend of banking, brokerage, anti-money laundering (AML) & fraud knowledge, as well as data analysis, data engineering, and AI/ML expertise. If you're passionate about feature engineering, analytics, and machine learning to help fight financial crime, this is an excellent opportunity for you!, * Collaborate with team members and compliance partners to understand AML typologies and red flags we must detect * Assist in building detection models and features using SQL, Python, DBT (Data Build Tool), and Snowflake * Develop detection models using both rules-based and machine learning algorithms on customer, account, and transaction data * Apply machine learning and AI techniques to enhance suspicious activity detection by analyzing and identifying appropriate target data. * Monitor and optimize model performance using proper ML Operations tools * Help drive AI use cases for investigative workflows including integration in alert management systems, narrative generation, and straight through SAR filing * Champion best practices for CI/CD, robust automated testing, model performance, and production monitoring * Provide technical leadership, mentoring and training to other team members through code reviews, collaboration, and educational presentations * Explore new technologies (e.g., anomaly detection, graph analytics, predictive modeling) and determine their applicability to the team's use cases; orchestrate the adoption of such technologies and trends where appropriate ## Related Videos - [Detecting Money Laundering with AI](https://www.wearedevelopers.com/videos/111-detecting-money-laundering-with-ai) - [40 Minutes to Build a Serverless COVID-19 REST and GraphQL APIs](https://www.wearedevelopers.com/videos/208-40-minutes-to-build-a-serverless-covid-19-rest-and-graphql-apis) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [Hacking AI at the Edge of the Indian Ocean](https://www.wearedevelopers.com/videos/100177-hacking-ai-at-the-edge-of-the-indian-ocean) ## Related Articles - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [How to start an AI project for a good cause and boost your career](https://www.wearedevelopers.com/magazine/15-how-to-start-an-ai-project-for-a-good-cause-and-boost-your-career)