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Principal Software Engineer/Developer

Fidelity

Fidelity

Software Engineering
Durham, NC, USA
Posted on Mar 25, 2026

Job Description:

Position Description:

Develops core digital analytics capabilities and enhances the usage of digital data across the organization. Enhances the digital analytics and digital Voice of Customer capabilities across all platforms. Identifies lagging business processes and develops improvements for these processes. Provides technical guidance and expertise to business partners to increase their understanding and utilization of platform capabilities and technologies. Designs and builds web and mobile based architectures to implement privacy and content modules. Conducts code reviews and evaluates code branching and delivery strategies. Enhances and customizes tools for marketing, tag management, quantitative data generation, qualitative data capture and VoC functions. Develops custom dashboards and identifies friction points. Provides guidance to stakeholders post-implementation to ensure solutions are fully utilized.

Primary Responsibilities:

  • Uses custom tools to implement marketing technology tags supporting qualitative and quantitative data analytics for web and mobile platforms.
  • Works closely with developers, engineers, and data analysts to identify business and system requirements, maintain data bases, implement quality control measures, and execute automation initiatives.
  • Develops tag specification documents and tag implementation strategies based on business requirement in consultation with internal stakeholders.
  • Collaborates with data analysts to maintain clean data in enterprise data lake tools like Snowflake.
  • Provides assistance to quality assurance team and conducts quality checks on code.
  • Reports on key metrics, analyzes and interprets trends, and provides actionable insights based on available analytics data.
  • Collaborates with site developers to modify the data layer to improve analytics.
  • Performs debugging using debugging tool Charles Proxy.
  • Provides technical training and coaching to junior team members.
  • Works with the team to foster innovation and learning initiatives.

Education and Experience:

Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and five (5) years of experience as a Principal Software Engineer/Developer (or closely related occupation) analyzing large scale datasets (containing 150M+ records) and providing actionable insights to improve digital marketing strategies using tag management systems and data visualization tools in a financial services environment.

Or, alternatively, Master’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal Software Engineer/Developer (or closely related occupation) analyzing large scale datasets (containing 150M+ records) and providing actionable insights to improve digital marketing strategies using tag management systems and data visualization tools in a financial services environment.

Skills and Knowledge:

Candidate must also possess:

  • Demonstrated Expertise (“DE”) setting-up, tracking, and collecting user feedback, and interpreting digital marketing campaigns, website traffic and user behavior utilizing platforms including Ensighten, Google Tag Manager, Adobe Dynamic Tag Manager, Adobe Launch, and Qualtrics.
  • DE analyzing large scale datasets (containing 150M+ records) and performing segmentation and analysis, including A/B testing, funnel analysis, cohort analysis, and attribution modeling, to derive insights using Adobe Target, Adobe Sitecatalyst, Contentsquare, and Tableau.
  • DE analyzing datasets and providing actionable insights to improve digital marketing strategies using both tag management systems including Ensighten or Google Tag Manager, and data visualization tools including Adobe Sitecatalyst, Tableau, and Qlik Sense; and tracking implementation, troubleshooting, and manipulating data using HTML, CSS, JavaScript, JQuery, Python, and R.
  • DE querying, merging, and analyzing transactional data to create actionable schema structures for analyzing and identifying prescriptive analytical insights using SQL in Hadoop or Snowflake.

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Certifications:

Category:

Information Technology

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. Some roles may have unique onsite requirements. Please consult with your recruiter for the specific expectations for this position.

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.

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Benefits that balance life and work

From our fully paid parent leave to our on-site health and wellness centers, our benefits support the belief that more balance you have, the better you can achieve your goals.

Benefits

Company overview

Company overview

At Fidelity, we are passionate about making our financial expertise broadly accessible and effective in helping people live the lives they want. We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experience.

Reasonable accommodations

Fidelity will reasonably accommodate applicants with disabilities who need adjustments to participate in the application or interview process. To initiate a request for an accommodation contact the HR Accommodation Team by sending an email to accommodations@fmr.com, or by calling 800-835-5099, prompt 2, option 3.

Equal opportunity employer

Fidelity Investments is an equal opportunity employer. We believe that the most effective way to attract, develop, and retain a diverse workforce is to build an enduring culture of inclusion and belonging.

Hybrid work schedule

Fidelity’s hybrid working model blends the best of both onsite and offsite work experiences. Working onsite is important for our business strategy and our culture. We also value the benefits that working offsite offers associates. Most hybrid roles require associates to work onsite all business days of every other week in a Fidelity office.

Applicant screening

At Fidelity, we value honesty, integrity, and the safety of our associates and customers within a heavily regulated industry. Certain roles may require candidates to go through a preliminary credit check during the screening process. Candidates who are presented with a Fidelity offer will need to go through a background investigation and may be asked to provide additional documentation as requested. This investigation includes but is not limited to a criminal, civil litigations and regulatory review, employment, education, and credit review (role dependent). These investigations will account for 7 years or more of history, depending on the role. Where permitted by federal or state law, Fidelity will also conduct a pre-employment drug screen, which will review for the following substances: Amphetamines, THC (marijuana), cocaine, opiates, phencyclidine.

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