Staff, Software Engineer (AdTech Backend)

Position Summary...

What you'll do...

About the team:

Join our Walmart’s Display Ad team of skilled engineers and help shape the performance optimization strategies of our cutting-edge systems. If you're a passionate and driven individual with a knack for uncovering system bottlenecks and fine-tuning performance, we encourage you to apply and be a part of our innovative journey.

Position Overview:

We are seeking a talented and experienced Staff Software Engineer-Backend to join our team of skilled professionals. As a Performance Engineer, you will play a critical role in ensuring the optimal performance of our systems. The ideal candidate should possess a deep understanding of Java applications, have the ability to identify and resolve system issues and performance bottlenecks, and be comfortable working in complex distributed systems across multi-cloud environments.

What You’ll Do :

• Collaborate closely with cross-functional teams including developers, architects, and operations to identify performance bottlenecks, system issues, and areas for optimization.

• Conduct thorough performance analysis of Java-based applications through profiling, monitoring, and benchmarking to identify performance degradation and suggest improvements.

• Deep dive into the codebase to understand the root causes of performance issues, including resource contention, memory leaks, and suboptimal algorithms.

• Develop and execute performance testing strategies to simulate real-world scenarios, stress-test system components, and uncover performance limitations.

• Design, implement, and execute performance experiments to evaluate the impact of code changes and system configurations.

• Work hands-on to fine-tune system parameters, configurations, and resource allocation to achieve optimal performance results.

• Collaborate with development teams to provide guidance and recommendations on code optimizations, caching strategies, and concurrency enhancements.

• Utilize performance monitoring and profiling tools to track and analyze system behavior, and proactively address potential bottlenecks.

• Collaborate on designing and implementing performance-related features that enhance the overall scalability and efficiency of the systems.

• Document performance analysis findings, optimization strategies, and best practices for future reference.

• Stay current with emerging technologies, industry trends, and best practices related to Java performance and distributed systems.

What You’ll Bring:

• Bachelor’s degree in computer science, Software Engineering, or a related field. Master's degree is a plus.

• Proven experience (8+ years) as a Performance Engineer, preferably with a focus on Java-based systems.

• Proficiency in Java programming language and deep knowledge of Java internals, memory management, and threading.

• Strong experience with performance profiling tools and techniques to identify bottlenecks in code and system components.

• Solid understanding of distributed systems architecture and design principles.

• Familiarity with multi-cloud environments and hands-on experience in optimizing applications for cloud deployment.

• Ability to analyze and interpret performance metrics to make informed decisions on system optimizations.

• Experience with performance testing frameworks and load generation tools.

• Familiarity with containerization technologies (e.g., Docker, Kubernetes) and their impact on application performance.

• Strong problem-solving skills with the ability to troubleshoot and debug comple