JobsPrincipal Data Scientist
Fidelity logo

Principal Data Scientist

Fidelity

Location

Boston, MA

Type

Full-time

Posted

6/26/2026

Compensation

$126,000 - $255,000 per year

Undergraduate with 5+ Years of Experience
Approval 99.8%·Filings 1,603·New hires 169·
💎 Strong Sponsor
·FY 2025

Job description

As a Principal Data Scientist at Fidelity, you will lead the development of advanced AI capabilities that enhance customer experiences and drive business value. You will work within the Enterprise Technology Artificial Intelligence Center of Excellence, collaborating with business partners to create scalable AI solutions. The role involves mentoring other engineers and guiding the team in NLP, speech analytics, and generative AI model development. You will leverage modern cloud technologies and open-source tools to tackle complex data challenges in the financial industry.

Requirements

  • Advanced degree or equivalent experience in Computer Science, Machine Learning, Data Science, Engineering, or a related field.
  • Experience designing, building, and deploying AI/ML models in production environments.
  • Extensive hands-on expertise with Natural Language Processing (NLP) and computational linguistics.
  • Proficiency in programming with Python and experience with modern ML libraries.
  • Experience with cloud-based workflows and real-time data technologies.
  • Demonstrated technical leadership and mentoring skills.
  • Ability to communicate complex technical topics clearly to both technical and non-technical partners.
  • Experience working with audio data pipelines and conversational AI.

Responsibilities

  • Design and build critical AI capabilities and services for institutional and retail clients.
  • Engage directly with business partners to translate business requirements into AI-driven solutions.
  • Mentor and uplift other engineers while conducting peer code and design reviews.
  • Drive architectural decisions and champion engineering excellence within the team.
  • Develop scalable, production-ready AI solutions that deliver measurable business outcomes.
  • Collaborate with a diverse team to advance Fidelity's position in applied AI.

Benefits

  • Fidelity offers competitive compensation, annual bonuses, retirement contributions, comprehensive healthcare coverage, parental leave, tuition assistance, wellness programs, and extensive professional development opportunities.

Is this posting expired or inaccurate?