Data Scientist

Creative Solutions Services, LLC; Newark (NJ); Hybrid; USD 90,000 - 103,000; Full time

Job summary

Creative Solutions Services, LLC is seeking a Senior Data Scientist (Data Science, Level 2) for a right-to-hire position with a major financial firm. The role is hybrid in Newark, NJ, and you will partner with engineers, economists, statisticians and actuaries to mine internal data and develop ML, AI and agentic capabilities to drive business impact.

You will work hand-in-hand on advanced DS, ML and GenAI, deploying models and collaborating with cross-functional teams to deliver practical

Qualifications

• Advanced degree in Mathematics, Statistics, Engineering, Econometrics, Physics, CS, Actuarial, Data Science, or similar.
• Ability to learn new skills and adapt to challenges.
• Excellent problem solving, communication and collaboration skills.

Responsibilities

• Hands-on development of advanced Data Science, ML and Agentic AI solutions as part of the portfolio led by the Lead Data Scientist.
• Write production-grade code and push model code into production alongside ML engineers.
• Experience with Agentic AI systems, LoRA, deployment of LLMs, RAG and related concepts.
• Partner with ML engineers to productionize models and with data engineers to build data pipelines.
• Continuously research new methods, algorithms and data analytics techniques.

Skills

Problem solving

Communication

Teamwork

Agile

Education

Masters or PhD in quantitative discipline

Tools

Python

SQL

AWS SageMaker

Bedrock

Job description

Right to hire position with a major financial firm. Hybrid in Newark, NJ

Data Science, Level 2

As a Senior Data Scientist, you will partner with diverse team of Engineers, Economists, Computer Scientists, Mathematicians, Physicists, Statisticians and Actuaries tasked with mining our industry-leading internal data to develop Machine Learning, AI and agentic capabilities for our businesses. The role requires a rare combination of sophisticated analytical expertise; business acumen; strategic mindset; client relationship skills, problem solving; and a passion for generating business impact. This is an exciting opportunity to be a part of a strategic initiative that is evolving and growing over time! In addition to applied experience, you will bring excellent problem solving, communication and teamwork skills, along with agile ways of working, strong business insight, and a continuous learning focus to all that you do.

Here is what you can expect in a typical day:

• Responsible for the hands-on development of advanced Data Science, Machine Learning and Agentic AI solutions comprising the portfolio developed by the Lead Data Scientist and the technical requirements specified by the Lead Data Scientist. Perform hands-on data analysis, model development, model training, model testing and development of Agentic AI systems.
• Write production grade code and partner with machine learning engineers to push model code into production including traditional machine learning, statistical models, GenAI and agentic solutions.
• Experience with engineering of Agentic AI systems, fine-tuning techniques (ex: LoRA), deployment of LLMs, RAG, Agentic RAG, Strands, Claude Agents SDK, Agents SDK and Agentic AI concepts.
• Partner with machine learning engineers to productionized machine learning models and agents. Partner with data engineers to build data pipelines. Partner with software engineers to integrate solutions with business platforms.
• Continuously research new methods for problem solution, including new algorithms, modeling techniques, and data analytics techniques.
• Experience in using Cloud based AI Platforms like Bedrock and Sagemaker AI.

The Skills and expertise you bring:

• Advanced degree (Masters, Ph.D.) in Mathematics, Statistics, Engineering, Econometrics, Physics, Computer Science, Actuarial, Data Science, or comparable quantitative disciplines
• Working on complex problems in which analysis of situations or data requires an in-depth evaluation of various factors. Exercises judgment within broadly defined practices and policies in selecting methods, techniques and evaluation criteria for obtaining results.
• Ability to learn new skills and knowledge on an ongoing basis through self-initiative and seeking challenges.

• Excellent problem solving, communication and collaboration skills.

Applied experience with several of the following:

• Data Acquisition and Transformation: Acquiring data from disparate data sources using API's, semantic data models, and SQL. Transform data using SQL and Python. Visualizing data using a diverse tool set including but not limited to Python.
• Database Management System: Knowledge of how databases are structured and function in order to use them efficiently. May include multiple data environments, cloud/AWS, primary and foreign key relationships, table design, database schemas, SQL (relational), Unstructured (NoSQL), Graph/ontology (Graph DB), semantic data models.
• Data Analysis and Insights: Analyzing structured and unstructured data using data visualization, manipulation, and statistical methods to identify patterns, anomalies, relationships, and trends.
• Statistics and Computing: Exceptional understanding of: Multivariable Calculus, Linear Algebra, Differential Equations, Applied Probability, Applied Statistics, Computer Science (Programming Methodologies), and Cloud. Knowledge of statistical techniques such as the use of descriptive, inferential, Bayesian statistics, time series analysis to extract business insights and experimentation to solve business problems.
• Machine Learning: Understanding of machine learning theory, including the mathematics underlying machine learning algorithms. Expertise in the application of machine learning theory to building, training, testing, interpreting and monitoring machine learning models (supervised models including regression and classification. Unsupervised models including clustering/segmentation and anomaly detection).
• Generative AI & Natural Language Processing: Experience with modeling and interpreting text analysis including NLP, LLMs, and Generative AI. Experience in modern Gen AI technologies including RAG, LangChain, LangGraph, vector DB, LangFuse, AgentCore, Agents, and their application in Retirement Strategies area.
• Model Deployment: Understanding of model development life cycle, A/B testing, CI/CD pipelines, and pipeline frameworks such as AWS SageMaker, and newer AWS/Azure Agentic AI infrastructure products.
• Data Wrangling: Preparing data for further analysis; Redefining and mapping raw data to generate insights; Processing of large datasets (structured, unstructured).
• DevSecOps: Knowledge in the project development life cycle in an AWS environment. Familiar with development, QA, staging and production deployment stages.
• Programming Languages: Python, SQL

payrate: 65-75/hr depending on experience.