Principal, AI/ML Engineer

Job Title: Principal AI/ML Engineer – FI Investments
 

About the Role

Join our squad dedicated to driving the growth of the Fidelity Institution (FI) Investment sales and platform business. As a key member of this team, you will play a pivotal role in identifying opportunity leads, developing product recommendations, optimizing coverage and engagement strategies, and driving experimentation for business optimization. Your primary mission will be to research, develop, and implement advanced AI and machine learning methodologies that directly support our business objectives.
 

What You'll Do

• Collaborate with business partners to deeply understand challenges and deliver impactful, data-driven solutions that grow the FI Investment business.
• Apply full stack AI engineering skills to architect and implement end-to-end solutions, using modern backend technologies (Python FastAPI, Node.js) and Snowflake as the database platform.
• Develop intuitive, user-focused interfaces leveraging Streamlit and other UI development tools, as well as modern frontend frameworks (e.g., React, Next.js).
• Leverage Retrieval-Augmented Generation (RAG) and Semantic Augment Generation (SAG) techniques to effectively handle both structured and unstructured data sources.
• Implement AI and ML techniques to generate new opportunity leads, enhance product recommendations, and optimize engagement and business strategies.
• Set and refine strategies for sales coverage, client engagement, and business process optimization through experimentation and data analysis.
• Research, develop, and implement novel analytical and machine learning approaches tailored to the unique needs of the FI platform.
• Thrive in a high-paced, dynamic environment, adapting quickly to changing business needs and technological advances.
• Drive and support a culture of continuous learning and innovation, staying up-to-date with the latest in data science, ML, and AI trends.
   

Your Expertise

• Strong background in data science, including statistics, time series, natural language processing, classical ML, and deep learning.
• Demonstrated expertise in full stack AI engineering, with hands-on experience building and deploying AI-powered applications.
• Experience applying RAG and SAG methods to integrate structured and unstructured data into machine learning workflows.
• Experience developing user interfaces with Streamlit and other UI development tools, as well as frontend frameworks like React and Next.js.
• Proven track record in the end-to-end data science lifecycle: data exploration, cleaning, feature engineering, model development, validation, and deployment.
• Proficiency with machine learning and deep learning frameworks (e.g., PyTorch, Hugging Face, scikit-learn) and large language models (LLMs).
• Deep understanding of backend technologies (FastAPI, Node.js) and strong experience working with Snowflake as a primary database.
• Excellent communication and collaboration skills, with a product-focused mindset and the ability to translate business needs into technical solutions.
• Comfortable working in a fast-paced, rapidly changing environment.
• Aptitude for innovation, experimentation, and continuous learning.
   

Preferred Qualifications

• Experience in the financial technology (fintech) or investment domain.
• Knowledge of DevOps, CI/CD, and cloud platforms (AWS, GCP, etc.).
• Bachelor’s or Master’s degree in Computer Science, Engineering, or Data Science.
• 10+ years of experience in data science and software engineering.
   

Why Join Us?

You’ll be at the forefront of transforming the Fidelity Institution (FI) Investment sales and platform business, working closely with business leaders and technologists to deliver innovative, data-driven solutions. If you’re excited about applying AI and ML to solve challenging business problems and drive measurable impact in a high-velocity environment, we’d love to hear from you!

Placement in the range will vary based on job responsibilities and scope, geographic location, candidate’s relevant experience, and other factors.

Base salary is only part of the total compensation package. Depending on the position and eligibility requirements, the offer package may also include bonus or other variable compensation.   

We offer a wide range of benefits to meet your evolving needs and help you live your best life at work and at home.  These benefits include comprehensive health care coverage and emotional well-being support, market-leading retirement, generous paid time off and parental leave, charitable giving employee match program, and educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career.  Note, the application window closes when the position is filled or unposted.

Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.

Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.