Data Scientist - National Federal Tax Services

Deloitte LLP
California
Our Global Investment and Innovation Incentives ("Gi3") practice provides our clients a broad range of government credits and incentives ("C&I") services across more than 150 countries and regions worldwide. With over 1,000 practitioners, the Gi3 tax team is a national team of specialists dedicated to providing comprehensive tax C&I services.

If you are a technology visionary with a passion for transforming global tax business with digital technology, consider working with the Gi3 technology team. This is an exciting opportunity to support global execution of Deloitte's tax strategy as we shift from "doing digital" to "being digital" by reimagining how we engage with our clients, deliver our services, operate our business, and create value.

Work you'll do

We are seeking a Data Scientist with strong Generative AI (GenAI) and Natural Language Processing (NLP) skill to build and optimize LLM-powered prototypes and production-ready components. You will design prompts and Retrieval-Augmented Generation (RAG) workflows, package models as APIs, and support cloud deployment while ensuring outputs are evaluated, monitored, and aligned to responsible AI expectations. This role requires hand-on Python development, solid statistical modeling fundamentals, and the ability to communicate clearly across technical and non-technical stakehold ers.

  • Application Development: Build and optimize GenAI/NLP models and prototypes using modern framework e.g., OpenAI, Hugging Face).
  • Prompt Engineering: Design, test and refine prompts to improve quality and reduce risk (e.g., hallucinations, bias, unsafe outputs).
  • RAG Workflows: Implement foundational Retrieval-Augmented Generation pipelines to enable context-aware applications.
  • APIs and Cloud Development: Package models as APIs and support deployments on AWS (Amazon Web Services, Azure, or GCP (Google Cloud Platforms).
  • Validation and Monitoring: Develop evaluation approaches and monitor model outputs for reliability, performance drift, and compliance needs.
  • Documentation and Communication: Produce clear and technical documentation and explain designs, tradeoffs, and results to cross-functional partners.

Qualifications

Required:
  • Ability to perform job responsibilities within a hybrid work model that requires US Tax Processionals to co-locate in person 2-3 days per week
  • Limited immigration sponsorship may be available
  • Ability to travel 25% on average, based on the work you do and the clients and industries/sectors you serve.
  • Bachelor's Degree in Information Systems, Computer Science or related field required.
  • 3+ years of experience in data science / machine learning
  • 1+ year hands-on building LLM/NLP solutions
  • Strong Python proficiency and hands-on experience with GenAI frameworks such as LangChain, OpenAI/GPT APIs and Hugging Face
  • Familiarity with software engineering best practices such as Git, CI/CD, automated testing.
  • Experience with R, Python, SQL and basic cloud ML deployment on Azure, AWS or GCP.
  • One of the following active accreditations obtained, in process, or willing and able to obtain:
    • Licensed CPA in state of practice/primary office if eligible to sit for the CPA exam
    • If not CPA eligible, one of the following:
      • Licensed Attorney
      • Enrolled Agent
      • Certifications:
        • Professional Engineer
        • Project Management Professional (PMP)
        • Chartered Financial Advisor (CFA)
      • Technology Certifications:
        • CBAP - Certified Business Analysis Professional
        • Certified SAFe Lean Portfolio Manager
        • Certified SAFe Architect
        • Certified SAFe Agile Software Engineer
        • Certified SAFe Proudct Owner / Product Manager
        • Certified SAFe Agilist
        • Certified SAFe Advanced Scrum Master Professional Scrum Developerâ„¢ (PSD)
        • Certified SAFe® Scrum Master
        • Certified SAFe® DevOps Practitioner
        • Certified SAFe® Practioner
        • Microsoft Certified Solutions Developer (MCSD)
        • Microsoft Certified Solutions Expert (MCSE)
        • Professional Scrum Product Owner (PSCPO) - SCRUM.org and Project Management Professional (PMP
        • Six Sigma (Green or Black Belt)
      • ITIL Certification:
        • Other: Vendor certification for management of implementations (Oracle, SAP, Thomson Reuters, etc.) or relevant industry certification such as Microsoft Certified Solutions Developer (MCSD), AWS (Amazon Web Services) or GCP (Google Cloud Platform)
Preferred:
  • Experience fine-tuning LLMs and/or building conversational AI agents.
  • Awareness of Responsible AI, privacy, security, and AI ethics considerations
  • Exposure to data engineering and/or MLOps (Machine Learning Operations) practices.
  • Excellent written and communication skills.
  • Strong problem solving skills

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $82,880 to $175,500

You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance.

How you'll grow

At Deloitte, our professional development plan focuses on helping people at every level of their career to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there's always room to learn. We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs at Deloitte University, our professionals have a variety of opportunities to continue to grow throughout their career. Explore Deloitte University, The Leadership Center.

Benefits

At Deloitte, we know that great people make a great organization. We value our people and offer employees a broad range of benefits. Learn more about what working at Deloitte can mean for you.

Deloitte's culture
We take pride in our culture and celebrate individuals by recognizing their uniqueness. As a commitment to our people , we offer well-being programs and provide our professional's opportunities for support and flexibility to make daily choices that can help them to be healthy, centered, confident, and aware. This

Information for applicants with a need for accommodation:

nftstax
Posted 2026-04-18

Recommended Jobs

Sales Account Manager

Schindler
Los Angeles, CA

Location: Los Angeles, CA, United States  Job ID: 86157  We Elevate... Quality of urban life Our elevators, escalators, and moving walks safely transport more than two billion of us up and dow…

View Details
Posted 2026-03-04

Banquet Bartender

Cavallo Point
Sausalito, CA

STANDARD REQUIREMENTS: # Understand a Banquet Event Order # Make drinks according to BEO and guest expectation # Setup and break down of rolling bar # Handle all guest requests in a professio…

View Details
Posted 2026-03-01

Tech Lead (Python)

San Ramon, CA

Kforce has a client in San Ramon, CA that is seeking a Tech Lead (Python). Role Overview This is a senior, hands-on technical leadership role. You are not a people manager - you are a technical autho…

View Details
Posted 2026-04-06

Registered Nurse - Case Manager w/BONUS - 5110

Vantage Search Group
Lemoore, CA

We have a new opening for a Registered Nurse - Case Manager at the Naval Health Clinic in Lemoore, CA. Core Duties: The duties include, but are not limited to the following; • Participate in …

View Details
Posted 2026-02-13

Sous Chef

The Mulberry
Los Angeles, CA

About The Mulberry Opened in the heart of Sawtelle, The Mulberry is a modern Korean American restaurant reimagining the neighborhood bistro. Our opening team brings deep culinary pedigree from Benu,…

View Details
Posted 2026-04-09

Cook

Sunnyside Nursing and Post-Acute Care
Torrance, CA

About Us Centrally located in Torrance, California, Sunnyside Nursing and Post-Acute Care provides sub-acute nursing care, rehabilitation services, skilled nursing, and long-term care. Our compass…

View Details
Posted 2026-04-01

Branch Supervisor - Pleasanton, TX

Schlumberger
Pleasanton, CA

Disclaimer: SLB completed the acquisition of ChampionX on July 16, 2025. If selected for this position, your employment will begin with ChampionX and will transition to SLB as part of the planned inte…

View Details
Posted 2026-04-07

Head of Growth | People Pop

eJam
Santa Ana, CA

Full-Time | Executive Leadership | Reports to: President About Us eJam is a bootstrapped consumer products company that has built, scaled, and exited multiple brands — all without ever taking…

View Details
Posted 2026-04-16

Director, Sales Engineering - Compute/AI

Celestica International LP
San Jose, CA

Req ID: 133143  Region: Americas  Country: USA  State/Province: California  City:  San Jose  Summary As a Director of Sales Engineering for Celestica, you are the primary technical lead reso…

View Details
Posted 2026-03-28

Tasting Room Associate - Part Time

Roederer Estate, INC Roederer Estate, Inc
Philo, CA

Job Description: Please include Cover Letter. Title: Tasting Room Associate, Part-Time, Non-Exempt Reporting: Tasting Room Manager Compensation: Hourly Rate: $16.90/hour, Overtime, Comm…

View Details
Posted 2026-04-15