Position Summary...

What you'll do...

As a Staff Software Engineer – Full Stack on the Transactional Systems, you will lead the design and development of cutting-edge, scalable applications that power critical financial operations at Walmart. You’ll build systems that process high-volume transactions, ensuring accuracy in fees and timely resolution of disputes and chargebacks. In this role, you’ll collaborate across teams to deliver robust, cloud-native solutions, while also leveraging Generative AI (GenAI) and Large Language Models (LLMs) to boost productivity and enhance business value. This is a highly impactful role where technical excellence meets real-world financial outcomes at enterprise scale.

About Team: 

Walmart’s Enterprise Business Services (EBS) is a powerhouse of several exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart.  The Transactional Systems in EBS, plays a vital role in Walmart’s financial ecosystem by ensuring the accuracy and integrity of high-volume payment transactions. Within Transactional Systems, we are a platform engineering team focused on simplifying and scaling how acquirers and new payment methods onboard into our ecosystem. By combining deep payment domain expertise with modern integration tooling, we drive adoption through intuitive experiences, clear documentation, and seamless partner enablement across both US and International.

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. Each time an associate turns on their laptop, a customer makes a purchase, a new supplier is onboarded, the company closes the books, physical and legal risk is avoided, and when we pay our associates consistently and accurately, that is EBS. 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. 

 
What you'll do: 

As a Staff Software Engineer – Full Stack on the Transactional Systems team, you will design, develop, and deliver world-class, scalable applications that power Walmart’s financial ecosystem—ensuring accurate transaction fees, fast dispute resolution, and overall financial integrity.

Core Responsibilities:

• Design and Develop: Build scalable, reliable, and efficient systems that manage high-volume financial transactions and ensure seamless performance across services.
• End-to-End Ownership: Independently manage end-to-end delivery of complex, multi-quarter projects—driving technical excellence, quality, and timely execution with minimal oversight.
• Operational Excellence: Exhibit strong operational expertise by proactively addressing production issues, optimizing system reliability, and ensuring secure, stable operations.
• Technical Leadership: Mentor and guide engineers through design and development challenges, promote best coding practices, and support continuous technical growth within the team.
• Innovation with GenAI & LLMs: Leverage Generative AI and Large Language Models to improve developer productivity, automate processes, and build intelligent solutions that add measurable business value.
• Continuous Improvement: Evaluate systems and services holistically to identify the most impactful areas for optimization, performance improvement, and cost efficiency.
• Quality & Security: Conduct rigorous analysis and testing prior to launches, ensure adherence to best practices, and build secure applications that safeguard sensitive financial data.
• Collaboration: Partner with cross-functional teams—engineering, product, finance, and operations—to translate business needs into scalable, maintainable software solutions.
• Coaching & Hiring: Contribute to hiring efforts, build high-performing agile teams, and support the training and development of team members to enhance organizational capability.
• Building resilient systems that can process millions of transactions daily with near-zero downtime.
• Designing intelligent workflows to automate dispute resolution and improve financial accuracy.
• Balancing innovation with compliance and security in a highly regulated domain.
• Scaling services to meet the evolving demands of Walmart’s global operations.
• Collaborate across teams to share knowledge and align technical direction.
• Build strong stakeholder relationships and communicate effectively on timelines, dependencies, and deliverables.
• Lead medium-sized projects or critical service areas while mentoring junior engineers and shaping the team’s technical strategy.

What you'll bring: 

• Education & Experience: Bachelor’s or Master’s degree in Computer Science, or a related technical field, with a minimum of 8 years of experience in software engineering.
• Technical Expertise: Proven proficiency in Java, Spring Boot, Microservices, and Data Structures, with strong experience in systems design, algorithms, and distributed systems.
• GenAI & LLM Proficiency: Strong foundational knowledge and hands-on experience in building applications using Generative AI (GenAI) and Large Language Models (LLMs). Demonstrated success in implementing AI-driven solutions that deliver tangible business impact and improved user experience.
• Domain Knowledge: Preferred understanding of Credit/Debit Card Processing flows, including settlement, reconciliation, fee calculation, and chargebacks, with the ability to translate this domain expertise into reliable, scalable technical solutions.
• Programming Versatility: Experience in the finance, retail, or e-commerce domain. Working knowledge of Python is an added advantage.
• Cloud & Infrastructure: Exposure to cloud platforms such as OpenStack, Azure, GCP, or AWS, with practical experience deploying and managing scalable services.
• Architecture & Design: Ability to design technical solutions emphasizing reliability, simplicity, efficiency, and maintainability. Skilled at evaluating multiple approaches, understanding trade-offs, and defending design decisions.
• Operational Excellence: Commitment to production excellence through monitoring, alerting, incident response, and process improvement. Actively contributes to defining and elevating production standards within the team.
• Systemic & Analytical Thinking: Strong systems-thinking approach to identify cross-functional dependencies, assess risks, and drive holistic improvements. Skilled at analyzing data to uncover insights, evaluate outcomes, and drive actionable solutions.
• Simplification Mindset: Recognizes opportunities to automate, simplify, and optimize systems and processes for long-term scalability and cost-effectiveness—balancing innovation with practicality.
• Agile Delivery: Demonstrated success working in Agile development environments, delivering iterative value while maintaining engineering discipline and quality.
• Continuous Improvement: A strong drive to learn, innovate, and enhance systems through automation, performance tuning, and technology modernization.
• Analytical & Problem-Solving Skills: Excellent analytical skills, with the ability to debug complex issues, evaluate multiple solutions, and implement the most effective one.
• Communication & Collaboration: Exceptional verbal and written communication skills, with the ability to convey technical concepts clearly and influence across teams and stakeholders.
• ML Awareness: Exposure to information retrieval, statistics, and machine learning concepts, with the ability to apply data-driven thinking in software design.

About Walmart Global Tech 
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people.  That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's 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. We are 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 

Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include a host of best-in-class benefits maternity and parental leave, PTO, health benefits, and much more. 

Belonging 

We aim to create a culture where every associate feels valued for who they are, rooted in respect for the individual. Our goal is to foster a sense of belonging, to create opportunities for all our associates, customers and suppliers, and to be a Walmart for everyone. 

At Walmart, our vision is "everyone included." By fostering a workplace culture where everyone is—and feels—included, everyone wins. Our associates and customers reflect the makeup of all 19 countries where we operate. By making Walmart a welcoming place where all people feel like they belong, we’re able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.

Walmart’s culture sets us apart, and we know being together helps us innovate, learn and grow great careers. This role is based in our [Bangalore/Chennai] office for daily work, with the flexibility for associates to manage their personal lives.

Equal Opportunity Employer 

Walmart, Inc., is an Equal Opportunities 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.

Minimum Qualifications...

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

Minimum Qualifications:Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 4 years’ experience in software engineering or related area.Option 2: 6 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 2 years' experience in software engineering or related area

Primary Location...

Pardhanani Wilshire Ii, Cessna Business Park, Kadubeesanahalli Village, Varthur Hobli , India