Flexible Principal Java Software Engineer Jobs in Missouri

Position Summary... What you'll do...The Principal, Software Engineer leads the design and delivery of scalable platform capabilities, driving cloud-native architecture and distributed system solutions that support long-term business objectives. This role oversees the full software development lifecycle across multiple teams, integrating AI/ML technologies to enhance product functionality. The position requires strategic technical leadership, mentorship, and collaboration with cross-functional stakeholders to translate complex challenges into actionable solutions. The Principal Engineer champions innovation, continuous improvement, and operational excellence while ensuring alignment with organizational goals and maintaining high standards of quality and integrity.
* Immigration Sponsorship support is NOT available for this position*
About the team:
The replenishment input team focuses on delivering precise inventory, network, item, and settings data to support timely and accurate fulfillment decisions. This team gathers, validates, enriches, and aggregates critical information to enable effective decision-making. Collaborating across functions, the team applies advanced technical skills in cloud-native architecture, system design, and AI integration to build scalable, reliable platforms. Members contribute to continuous improvement by leveraging innovation and problem-solving expertise, ensuring solutions align with business goals and operational needs while maintaining high standards of quality and performance.
What you'll do:

• Lead platform engineering efforts to deliver scalable, cloud-native infrastructure and reusable tooling aligned with strategic roadmaps.
• Drive full software development lifecycle activities including design, testing, deployment, and maintenance across multiple teams.
• Architect and implement distributed systems optimized for real-time data processing and AI/ML integration.
• Provide technical leadership and mentorship to engineering teams, promoting best practices and innovation.
• Collaborate with stakeholders to define technical requirements and success metrics based on business and user needs.
• Ensure high-quality deliverables through sound technical judgment and continuous improvement initiatives.
• Communicate complex technical concepts clearly to all levels of audiences and foster cross-team collaboration.

What you'll bring:

• Expereince with Java (Full Stack) and Spring Boot microservices development
• Hands-on experience with Apache Spark for large-scale batch and streaming data processing
• Experience building and operating Apache Kafka event-driven architectures
• Solid understanding of distributed NoSQL databases — Cassandra and/or Cosmos DB
• Experience developing and deploying solutions on GCP (BigQuery, Dataproc, Pub/Sub, or equivalent)
• Expereince in writing clean, testable, production-quality code with CI/CD pipelines
• Knowledge with grasp of distributed systems concepts — CAP theorem, consistency models, fault tolerance
• Experience with WCNP / Kubernetes container deployments
• Familiarity with data quality frameworks or catalog/item data domains
• Knowledge of Change Data Capture (CDC) patterns
• Exposure to dbt, Airflow, or Dataflow for pipeline orchestration
• Experience in a high-scale e-commerce or retail tech environment
• Extensive experience in platform engineering leadership, delivering scalable, cloud-native architectures and reusable tooling.
• Proven ability to drive full software development lifecycle including coding, testing, CI/CD deployment, and incident response.
• Expereince in AI/ML integration and building intelligent software systems using languages such as Python, Java, and C++.
• Skilled in technical solution design, model-driven design, and applying engineering design processes.
• Demonstrated leadership in mentoring engineers and influencing architectural decisions for maintainability and interoperability.Excellent problem-solving skills with a focus on innovation and continuous improvement.
• Effective collaboration and communication across cross-functional teams and stakeholders.

The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.
About Walmart Global Tech:
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. Thats what we do at Walmart Global Tech. Were a team of software engineers, data scientists, cybersecurity experts and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. Weare people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.
Benefits and Perks:
Beyond competitive pay, you can receive incentive awards for your performance. Other great benefits include a 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, flexible working hours, and more.
We are reimagining the tech workplace by making a permanent transition to virtual work for most of our team. Of course, being together in person is an important part of our culture and shared success. Well collaborate in person at a regular cadence and with purpose.
Living the Walmart Value:
Focus on our Associates / Belonging - Identifies, attracts, and retains top talent; builds a high-performing team; embraces a culture of belonging.
Equal Opportunity Employer:
Walmart, Inc., is an Equal Opportunity Employer By Choice. We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing unique styles, experiences, identities, ideas and opinions while being inclusive of all people.
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 :
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Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum 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. Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

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., We value candidates with a 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. The ideal candidate would have 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. Primary Location... 1700 Se 5th St, Bentonville, AR 72716, United States of America Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.