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About this role

Wells Fargo Enterprise Complaints, Remediations and Loudspeaker Analytics (ERA) is seeking a Senior Data Science Consultant focused on advanced analytics and AI solutions supporting voiceofcustomer insights, risk identification, and operational decisioning. This role is strongly oriented toward applied Generative AI, with a primary focus on designing, experimenting with, and evaluating LLMenabled systems that operate on large volumes of unstructured customer interaction data.

The consultant will own the endtoend experimentation lifecycle for GenAI use cases - including prompt and agent design, iterative testing, error analysis, tuning, and evaluation - while leveraging traditional machine learning and NLP techniques where appropriate to support or augment GenAI solutions. The role emphasizes practical execution, rapid prototyping, and disciplined evaluation to ensure outputs are reliable, explainable, and suitable for use in riskaware, humanintheloop decision environments.

In this role, you will

• Lead handson Generative AI experimentation, including prompt engineering, prompt library development, and agentstyle workflows that support voiceofcustomer understanding, issue identification, and decision support.

• Design and execute systematic testing of LLM outputs across large collections of historical customer interaction data, evaluating behavior across tasks, data conditions, and edge cases.

• Conduct deep error analysis of GenAI outputs, identifying hallucinations, weak or missing evidence, false positives, false negatives, and ambiguity, and translate findings into targeted prompt and system improvements.

• Develop and apply GenAI evaluation frameworks, including rulebased heuristics, statistical indicators, and LLMasaJudge techniques, to assess output quality, consistency, and risk. Build and refine confidence and uncertainty scoring mechanisms for LLM decisions to support prioritization and secondary human review in higherrisk scenarios.

• Apply machine learning and NLP models where appropriate to complement GenAI solutions, such as feature extraction, classification, clustering, or signal generation.

• Analyze complex structured and unstructured datasets to generate hypotheses, surface emerging risks, and identify opportunities where GenAI can augment or automate decision workflows.

• Collaborate closely with product teams, engineers, and business stakeholders to align GenAI experimentation with operational workflows, risk tolerance, and realworld constraints.

• Produce clear documentation of prompts, experiments, evaluation methods, and findings to ensure transparency, repeatability, and knowledge sharing.
  Communicate GenAI behaviors, tradeoffs, limitations, and risks effectively to nontechnical stakeholders, helping set appropriate expectations for usage.

• May mentor teammates by sharing best practices related to GenAI experimentation, evaluation, and responsible deployment.

Required Qualifications

4+ years of data science experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education

Master's degree or higher in a quantitative discipline such as mathematics, statistics, engineering, physics, economics, or computer science

Desired Qualifications

• Strong handson experience with Pythonbased experimentation and analytics workflows, working with large structured and unstructured text datasets; SQL proficiency required, SAS/Teradata a plus.

• Demonstrated practical experience building and testing Generative AI solutions, including prompt engineering, prompt tuning, task decomposition, and agentstyle workflows using LLMs.

• Proven ability to perform LLM evaluation and error analysis, including hallucination detection, output quality assessment, and false positive/false negative analysis.

• Experience designing or implementing confidence, uncertainty, or riskscoring mechanisms for GenAI outputs to support review and escalation decisions.

• Familiarity with Machine Learning and NLP modeling techniques, and the ability to apply them selectively to complement GenAIdriven approaches.

• Ability to design repeatable testing methodologies, benchmarks, and success metrics for GenAI systems operating in risksensitive environments.

• Strong communication skills, with the ability to clearly explain GenAI behaviors, limitations, and experimental findings to both technical and nontechnical audiences.

• Experience producing highquality documentation covering prompts, experiments, evaluation methods, and system behaviors.

• Comfortable operating in ambiguous problem spaces, with an execution mindset focused on experimentation, learning, and continuous improvement.

• Strong statistical background and deep understanding of statistical methods for extracting insight from large, complex datasets.

• Hypothesis driven, investigative or "detective like" approach to identifying anomalies, edge cases, unexpected behaviors, and weak signals in both data and model outputs.

• Comfort applying statistical reasoning to error analysis, uncertainty estimation, and validation of GenAI and ML driven results.

Job Expectations:

Ability to travel up to 10% of the time.

This position is NOT eligible for Visa sponsorship.

Ability to work on site per Wells Fargo's standard operating model in one of the listed locations.

Posting Locations:

CHANDLER, AZ

SAN ANTONIO, TX

WEST DES MOINES, IA

MINNEAPOLIS, MN

CHARLOTTE, NC

IRVING, TX

The Chief Operating Office Functions adhere to a location strategy; therefore, your candidacy may be determined based on your current location. Remote work locations are not available for these roles, so if you are not in a location listed on the posting, you must commit to self-relocation within an agreed upon timeframe.

Pay Range

Reflected is the base pay range offered for this position. Pay may vary depending on factors including but not limited to demonstrated examples of prior performance, skills, experience, or work location. Employees may also be eligible for incentive opportunities.

Posting End Date:

*Job posting may come down early due to volume of applicants.

We Value Equal Opportunity

Wells Fargo is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other legally protected characteristic.

Employees support our focus on building strong customer relationships balanced with a strong risk mitigating and compliance-driven culture which firmly establishes those disciplines as critical to the success of our customers and company. They are accountable for execution of all applicable risk programs (Credit, Market, Financial Crimes, Operational, Regulatory Compliance), which includes effectively following and adhering to applicable Wells Fargo policies and procedures, appropriately fulfilling risk and compliance obligations, timely and effective escalation and remediation of issues, and making sound risk decisions. There is emphasis on proactive monitoring, governance, risk identification and escalation, as well as making sound risk decisions commensurate with the business unit's risk appetite and all risk and compliance program requirements.

Applicants with Disabilities

To request a medical accommodation during the application or interview process, visitDisability Inclusion at Wells Fargo.

Drug and Alcohol Policy

Wells Fargo maintains a drug free workplace. Please see our Drug and Alcohol Policy to learn more.

Wells Fargo Recruitment and Hiring Requirements:

a. Third-Party recordings are prohibited unless authorized by Wells Fargo.

b. Wells Fargo requires you to directly represent your own experiences during the recruiting and hiring process.