(USA) Principal, Software Engineer

Job description

Role summary

As a Principal Software Engineer for TAX360 / Tax Data Hub , you will serve as a senior technical leader responsible for shaping the architecture and engineering direction of Walmart’s next-generation tax technology platform. You will solve complex, ambiguous engineering problems spanning distributed systems, cloud platforms, data engineering, workflow orchestration, application architecture, security, governance, and auditability.

You will translate business and tax-domain challenges into scalable technical strategies and guide engineering teams from architecture and experimentation through implementation, production readiness, and long-term platform evolution.

About the team

Our team is dedicated to building a unified, fit-for-purpose digital tax platform supported by secure, scalable technology and trusted data. We develop the Tax Data Hub and TAX360 to transform tax data access and process execution, enabling centralized, intuitive data management and integrated self-service workflows. The platform emphasizes data centralization, process orchestration, governance, security, and auditability.

Designed to handle complex datasets and scalable workflows, it provides full visibility from data to execution to audit, reducing operational costs, compliance risks, and manual effort while delivering a reliable system of record for tax lifecycle management.

What you'll do

As a Principal Software Engineer , you will provide technical leadership for TAX360 and Tax Data Hub, helping define and build a secure, scalable, governed technology ecosystem supporting Walmart’s tax organization. Architecture & Technical Leadership Lead architecture and technical strategy across complex, distributed applications and data platforms. Translate business capabilities into scalable architectures, identify appropriate technology patterns, and make thoughtful trade-offs across performance, scalability, reliability, security, maintainability, developer productivity, and cost.

Drive architectural decisions across services, applications, APIs, data platforms, workflow engines, compute platforms, and cloud infrastructure. Establish reusable patterns that enable multiple teams and tax domains to build capabilities consistently.

What you'll bring

Strong proficiency in Python, Scala, Spark, SQL.

Hands-on experience with GCP services

Dataproc, BigQuery, Cloud Functions, Cloud Dataflow, Cloud Storage, Vertex AI.

Experience with CI/CD tools

Jenkins, GitHub, Azure DevOps. Solid understanding of data lake, data lakehouse, data warehousing, ETL and data processing concepts like Kappa & Lambda, and data modeling. Practical experience with LangChain, LangGraph, RAG architectures, and Agentic AI systems. 12+ years of experience in data engineering/software engineering, with at least 4 years on GCP. Google Professional certification is a plus. Demonstrated ability to work with integrity, respect for individuals, and a customer-first mindset.

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see https://one.walmart.com/notices . Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities.

Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms. For information about benefits and eligibility, see One.Walmart .

The annual salary range for this position is $110,000.00 - $220,000.00 Additional compensation includes annual or quarterly performance bonuses.

Additional compensation for certain positions may also include : - Stock

Qualifications

Option 1

Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 5 years’ experience in software engineering or related area.

Option 2

7 years’ experience in software engineering or related area.