(USA) Principal, Software Engineer
About The Position
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. 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.
Requirements
- 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.
- Demonstrated ability to work with integrity, respect for individuals, and a customer-first mindset.
- 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.
- OR 7 years’ experience in software engineering or related area.
Nice To Haves
- Google Professional certification is a plus.
- Master’s degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years' experience in software engineering or related area.
- Background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
- Knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.
Responsibilities
- Provide technical leadership for TAX360 and Tax Data Hub, helping define and build a secure, scalable, governed technology ecosystem supporting Walmart’s tax organization.
- 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.
Benefits
- Competitive pay
- Performance-based bonus awards
- Medical coverage
- Vision coverage
- Dental coverage
- 401(k)
- Stock purchase
- Company-paid life insurance
- PTO (including sick leave)
- Parental leave
- Family care leave
- Bereavement
- Jury duty
- Voting leave
- Short-term disability
- Long-term disability
- Company discounts
- Military Leave Pay
- Adoption and surrogacy expense reimbursement
- Live Better U (Walmart-paid education benefit program for full-time and part-time associates)
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What This Job Offers
Job Type
Full-time
Career Level
Principal
