JobsPrincipal Full Stack Engineer (MarTech, CDP, Data and Integrations)
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Principal Full Stack Engineer (MarTech, CDP, Data and Integrations)

Fidelity

Location

Westlake, TX

Type

Full-time

Posted

7/8/2026

Compensation

Not listed

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

Job description

Fidelity Investments is seeking a Principal Engineer to enhance its Marketing Technology and Data Platform capabilities. This role involves leading the design, development, and support of a complex Customer Data Platform (CDP) ecosystem aimed at modernizing marketing audience management. The team is focused on transforming Fidelity into a customer-centric, data-driven enterprise. The position requires collaboration with various stakeholders to ensure alignment on solutions and trade-offs.

Requirements

  • 10 plus years of overall software engineering experience
  • Strong hands-on experience in solution architecture design and delivery, focusing on Marketing Technology and Data Engineering
  • Deep expertise in Twilio Segment Customer Data Platform, including platform administration and features
  • Proven experience integrating CDP solutions across AWS cloud environments and SaaS platforms
  • Experience leveraging CDP for cross-channel marketing activations
  • Strong experience building full-stack solutions on AWS, including Kubernetes and Lambda
  • Strong experience in Snowflake data architecture and engineering
  • Experience with database technologies such as DynamoDB and PostgreSQL
  • Bachelor’s degree in Computer Science or equivalent experience
  • Excellent communication and articulation skills

Responsibilities

  • Lead platform, capabilities, and application design for the Customer Data Platform ecosystem
  • Integrate CDP solutions across various cloud environments and SaaS platforms
  • Build full-stack solutions on AWS to support marketing activations
  • Design and implement solutions with strong non-functional characteristics
  • Collaborate with data science teams to operationalize predictive models
  • Support responsible AI adoption and governance within the organization
  • Demonstrate platform features and capabilities to stakeholders
  • Drive alignment on solutions and trade-offs with cross-functional teams

Benefits

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

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