Senior Software Engineer, Backend

Job Description

**Immigration sponsorship is not available for this role**

This is a full-time, onsite role at our Bentonville, AR office. This position is not eligible for remote work.

What you'll do...

About the Team - Our team partners closely with Walmart International, which operates more than 5,900 retail units across 26 countries under 55 banners — including Africa, Argentina, Canada, Central America, Chile, China, India, Japan, and Mexico. We’re part of the International and Omni Tech organization, focused on building scalable, distributed systems that power global commerce and enhance the experience for millions of customers every day.

About the Role: The Senior Backend Engineer will lead a team of 4-8 engineers to design, develop, and maintain microservice-based systems using Java, Spring Boot, Kafka, and SQL/NoSQL databases.

What You’ll Do :

• Lead a cross-functional agile team of engineers
• Translate complex requirements into scalable solutions
• Design, build, test, deploy, and maintain secure and efficient APIs, microservices, and user-facing interfaces
• Contribute to the entire development lifecycle
• Mentor and guide engineers
• Collaborate with product managers, UX designers, architects, and global engineering teams
• Analyze application performance and lead root cause analyses
• Champion innovation and Fullstack development best practices

Qualifications

What You’ll Bring :

• 5+ years of software engineering experience specialized in Backend
• Expert-level proficiency in Java and Spring Boot
• Experience with SQL and NoSQL databases, Kafka, containerization, and cloud environments
• Strong understanding of DevOps principles, CI/CD pipelines, system observability, and deployment architecture
• Proven ability to design scalable, reliable, and high-performing Fullstack solutions
• Strong expertise with API design and development
• Excellent problem-solving, collaboration, and communication skills
• - Strong problem-solving skills with a highly analytical mindset.

You’ll Really Wow Us If You…

• Thrive in fast-paced environments and bring curiosity, creativity, and a drive to continuously learn
• Passionate about building cloud-native systems that solve real-world problems at scale
• Enjoy mentoring others and elevating the technical capabilities of your team
• Experience delivering high-impact projects in a global, enterprise environment

Application & Feature Delivery:
Owns scoped feature or model delivery through collaborative engineering teams.
Manages implementation, iteration, testing, and ongoing support for assigned services, APIs, user interfaces, or ML model components.
Operates with a product-driven mindset and aligns outcomes with broader platform, system, and domain objectives.

Software Development & Lifecycle Execution:
Writes clean, efficient, and reliable code using languages such as JavaScript, TypeScript, Python, Java, Rust, Dart, and C++. Drives full software development lifecycle, including CI/CD deployments, automated testing, observability, monitoring, and maintenance. Builds scripts for the automation of repetitive tasks and implements telemetry features independently.
Conducts code structure reviews and supports ongoing defect management and debugging processes.

AI/ML Integration & GenAI Enablement:
Integrates AI agents and ML components using internal and external APIs to enhance software intelligence.
Leverages GenAI tools such as GitHub Copilot to improve development velocity and innovation.
Applies object-oriented programming principles and documentation-based coding practices to ensure modularity, maintainability, and consistency.

Solution Design & Technical Leadership:
Assists in converting high-level designs into detailed designs using mock screens, pseudo code, and functional logic.
Evaluates trade-offs and designs scalable, secure, and maintainable software systems aligned with Walmart’s standards.
Participates in design reviews and ensures the implementation of appropriate design patterns and principles.
Demonstrates continuous learning and supports peer growth through mentorship and knowledge sharing.

Customer/Associate Problem Definition & Metrics:
Engages stakeholders to identify and refine complex business or user problems.
Translates pain points into actionable technical requirements and defines clear metrics to measure solution success and impact.
Collaborates with