Staff Software Engineer - Full Stack - SRE - IN5

Imagine working in an environment where one line of code can make life easier for hundreds of millions of people and put a smile on their face. That’s what we do at Walmart Global Tech. We’re a team of 15,000+ software engineers, data scientists and service professionals within Walmart, the world’s largest retailer, delivering innovations that improve how our customers shop and empower our 2.3 million associates. To others, innovation looks like an app, service or some code but Walmart has always been about people. People are why we innovate, and people power our innovations.Being human-led is our true disruption.

Your Responsibility

We are part of Central SRE team for Walmart Ecommerce and Stores.

This specific , Full Stack Developer Role is for the E&O Pillar, where we plan to deliver highly scalable & reliable solutions that can reduce detection/recovery time across Walmart infra and ensure a seamless and disruption free customer experience.

The ideal candidate will work on developing innovative products which provide solutions for industry wide concerns experienced on highly distributed & complex network of systems with hundreds of individual apps/services.

Our Pillar mainly deals with
• Operation’s Centric Tooling aimed towards reducing MTTD & MTTR
• Auto Service Discovery & Cataloguing Service
• Recommendation Engine
• Central Portal for SRE

This Will Require You To

Besides Development, As a key member of SRE team you are also expected to participate in High priority Incidents in an SME capacity.
• Develop a deep understanding of the numerous services and applications that come together to deliver Walmart e-commerce/Retail and Enterprise products
• Root-cause analysis of complex problems involving multiple parties, networks, hardware, and software that relate to scaling and performance.
• Secure the system from issues, be they real, perceived, or notional.
• Influence, design and create new architectures, standards, and methods for large-scale enterprise systems.
• Build tools/automate to prevent re-occurrence of problem to mission critical products/services.
• Augment existing instrumentation to build a cohesive picture of the characteristics of our systems with special attention to points of failure.
• Participate in capacity planning, demand forecasting, software performance analysis and system tuning.

Additional Responsibilities May Include
• Create systems engineering and architectural documentation to be used by others to build and maintain systems.
• Scripting and Development responsibilities: Develop software in several modern languages. Develops large/complex database-backed systems and understands DB schema and query performance. Utilises professional best practices in day-to-day work like revision control, unit testing, or other. Applies statistical data analysis techniques.
• Networking responsibilities: Understanding and performing TCP dumps, snoop, and other network sniffers. Understands and applies knowledge of most protocols (TCP/IP, HTTP, UDP, etc.)
• Application Technologies: Provides recommendations and advice to the team and/or department in the areas of web services, OS, and storage, including being an active liaison to Development, QA, and the Business.