Senior Software Engineer – Transactional Systems

Walmart; Sunnyvale (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

Walmart is hiring a Senior, Software Engineer – Transactional Systems in Sunnyvale, CA. You will join Walmart’s Enterprise Business Services, building scalable transactional systems for payment processing, promotions, fraud prevention, and regulatory compliance.

In this role, you will lead medium- to large-scale projects, collaborate with cross-functional teams, and drive design reviews and architecture improvements. You will mentor teams and champion automation and reliability across services.

Qualifications

• Bachelor's degree requirement.
• 7+ years of programming experience.
• 5+ years of experience in Java/J2EE, Spring Boot, REST Services, and related technologies; 3+ years with Cloud technologies.
• 4+ years developing/architecting high transaction, high throughput systems.
• 2+ years of [incomplete in source].

Responsibilities

• Develop comprehensive business and technical solutions.
• Lead and participate in medium- to large-scale projects across teams; translate requirements into solutions; write and test code; ensure on-time delivery.
• Review and approve proposed solutions; implement new architectural patterns; perform design and code reviews.
• Troubleshoot business and production issues; gather info; engage support; plan and execute actions; perform root cause analysis.
• Provide user support and facilitate resolutions; collaborate with product, project, and user experience teams.
• Lead the discovery phase for medium to large projects; obtain cross-function approvals.
• Provide expert guidance; align efforts with customer and business needs; promote best practices.
• Model compliance with policies and ethics; support company mission and Open Door Policy.
• Lead automation efforts; build automation roadmap; enhance build processes; define deployment gates; create dashboards.

Skills

7+ years programming

Java/J2EE

Spring Boot

REST Services

Cloud technologies

High throughput systems

Education

Bachelor's degree in Computer Science or Computer Information Systems

Job description

Position Summary...

_This role is not eligible for current or future immigration support and | or sponsorship*_

Join Walmart as Senior, Software Engineer – Transactional Systems and your work could help over 240 million global customers live better every week. Yes, we are the Fortune #1 company. But you’ll quickly find we’re a company who wants you to feel comfortable bringing your whole self to work. A career at Walmart is where the world’s most complex challenges meet a kinder way of life. Our mission spreads far beyond the walls of our stores. Join us and you'll discover why we are a world leader in belonging, sustainability, and community involvement. From day one, you’ll be empowered and equipped to do the best work of your life.

Walmart’s Enterprise Business Services (EBS) is a powerhouse of seven exceptional teams delivering world‑class technology solutions and services making a profound impact at every level of Walmart. As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Joining EBS means embarking on a journey of limitless growth, relentless innovation, and the chance to set new industry standards that shape the future of Walmart.

About the Team

Walmart’s Transactional System provides core transactional systems to enable segment and technology partners in creating wonderful omni experiences with speed and leverage. Transactional System organization is responsible for managing and optimizing payment processing, promotional campaigns, fraud prevention strategies, and compliance with financial regulations. This team ensures seamless transactions, mitigates risks, and maintains governance frameworks to protect the business and customers. We are a highly motivated group of engineers, working in an agile group to solve sophisticated and high impact problems. This role is part of a team and will build the next generation multi‑tenant, client‑agnostic, highly scalable, omni solutions.

What You’ll Do

• Develop a comprehensive business and tech solutions

• Leads and participates in medium- to large-scale projects by reviewing project requirements; translating requirements into technical solutions; gathering requested information (for example, design documents, product requirements, wire frames); writing and developing code; conducting unit testing; communicating status and issues to team members and stakeholders; collaborating with project team and cross functional teams; troubleshooting open issues and bug-fixes; ensuring on-time delivery and hand-offs; interacting with project manager to provide input on project plan; and providing leadership to the project team.

• Work in small groups of six to ten engineers in software development and design, identifying short- and long-term solutions and timelines. Review and approve proposed solutions, implement new architectural patterns, and perform design and code reviews of changes.

• Troubleshoots business and production issues by gathering information (for example, issue, impact, criticality, possible root cause); engaging support teams to assist in the resolution of issues; formulating an action plan; performing actions as designated in the plan; interpreting the results to determine further action; performs root cause analysis to prevent future occurrence of issues; and completing online documentation.

• Provides support to the business by responding to user's questions, concerns, and issues (for example, technical feasibility, implementation strategies); identifying short- and long-term solutions; facilitating resolutions; and leading cross-functional partnership.

• Leads the discovery phase of medium to large projects to come up with high level design by partnering with the product management, project management, business and user experience teams; and obtaining cross-function approvals.

• Demonstrates up-to-date expertise and applies this to the development, execution, and improvement of action plans by providing expert advice and guidance to others in the application of information and best practices; supporting and aligning efforts to meet customer and business needs; and building commitment for perspectives and rationales.

• Provides and supports the implementation of business solutions by building relationships and partnerships with key stakeholders; identifying business needs; determining and carrying out necessary processes and practices; monitoring progress and results; recognizing and capitalizing on improvement opportunities; and adapting to competing demands, organizational changes, and new responsibilities.

• Models compliance with company policies and procedures and supports company mission, values, and standards of ethics and integrity by incorporating these into the development and implementation of business plans; using the Open Door Policy; and demonstrating and assisting others with how to apply these in executing business processes and practices.

• Lead automation efforts for multiple teams by working closely with developers to create automation roadmap, enhance build processes to align with roadmap, debug build issues, proactively integrate enterprise tool changes to team build processes, define and incorporate deployment gates and rollout processes, create reports and dashboards to show progress and trends, educating team on automation, pipelines, reports, and processes.

What you'll bring:

• Bachelor's degree in Computer Science or Computer Information Systems
• 7+ years of programming experience in architecting highly scalable & performing Web Applications
• 5+ years of experience programming in Java/J2EE, Spring Boot, REST Services, and related technologies. 3+ years of experience with Cloud technologies
• 4+ years of developing / architecting high transaction high throughput systems
• 2+ years of