Sr. Data Scientist

About the role

Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution with over 130 years of financial experience and over 22,000 partners. Northern Trust is dedicated to providing innovative financial services and guidance to the world’s most successful individuals, families, and institutions while maintaining high standards of service, expertise, and integrity.

Major Duties

• Develop software, typically in Python, to independently acquire data from disparate sources (databases, files, APIs, etc.) and combine them into appropriate training, validation, and testing datasets.
• Analyze raw datasets using descriptive statistics, working directly with domain experts to understand the meaning of data fields.
• Create unit tests, data quality checks, and data pipelines to ensure that algorithms use trusted data.
• Build and maintain an understanding of various algorithms across supervised learning, unsupervised learning, and time series analysis.
• Propose and develop machine learning ensemble methods that exhibit the best out-of-sample characteristics possible given the input dataset.
• Tune algorithms using available hyper-parameters and carefully select feature subsets.
• Discover biases or leakage in datasets and ensure that train/test splits reflect realistic expectations of real-world performance.
• Run large-scale (either in parallel and/or distributed) training and inference jobs on private or public cloud infrastructure.
• Present findings to internal and external customers using both data science language (F1 scores, regression error, statistical significance, etc.) and business domain-specific language gained from experience analyzing the data in scope.
• Provide some guidance to other software development teams as Data Science Lab prototypes are engineered for full production environments.
• Work across multiple projects in a fluid environment where work is required across the full research lifecycle from forming a hypothesis, acquiring data, and developing ETL-style software to presenting findings.
• Plan and execute data science training sessions and hackathons.
• Work with external parties (vendors, universities, etc.) to incorporate new techniques and tools into the data science lab.
• Solve complex problems.
• Take a new perspective on existing solutions.
• Exercise judgment based on the analysis of multiple sources of information.
• Impact a range of customer, operational, project, or service activities within own team and other related teams.
• Works within broad guidelines and policies.

Knowledge

• Python
• Common Python libraries (numpy, pandas, sklearn, etc.)
• Linux-based operating systems
• Basic development tools (Python IDEs, source control, etc.)
• Advanced distributed machine learning frameworks (e.g. Keras, TF, etc.)
• Azure cloud infrastructure (preferred)

Experience

• Computer Science degree (undergraduate or graduate level)
• Strong statistical background
• Data Science specific graduate work, Finance sector experience or coursework preferred
• Acts as a resource for colleagues with less experience
• May lead small projects with manageable risks and resource requirements

Salary Range

$114,500 - 194,700 USD

Benefits

• Retirement benefits (401k and pension)
• Health and welfare benefits (medical, dental, vision, spending accounts and disability)
• Paid time off
• Parental and caregiver leave
• Life & accident insurance
• Other voluntary and well-being benefits
• Discretionary bonus program that may include an equity component

Working With Us

As a Northern Trust partner, greater achievements await. You will be part of a flexible and collaborative work culture in an organization where financial strength and stability is an asset that emboldens us to explore new ideas. Movement within the organization is encouraged, senior leaders are accessible, and you can take pride in working for a company committed to assisting the communities we serve!

Reasonable Accommodation

Northern Trust is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please email our HR Service Center at MyHRHelp@ntrs.com.