• You’ll have the opportunity to

• Research, guide, and execute frontend architecture changes, including but by no means limited to GraphQL, server-side React rendering, and Flow typing. 
• Build reusable React components with modular CSS, manage data on the client with Redux and GraphQL, and test everything with Jest. 
• Measure and resolve performance bottlenecks, using tools like Chrome DevTools, Lighthouse, WebPagetest, or custom tooling. 
• Refactor or improve existing code. We've migrated most of our frontend to React. And we constantly find ways to improve all of our JavaScript code. 
• Work closely with our product, design, and UX teams to create amazing and intuitive experiences that make it effortless to connect different apps together. 
• Help put tools, processes, and documentation in place to improve our code quality. 
• Review code written by other team members or other teams. 
• Ship to hundreds of thousands of users every day while having lots of autonomy in terms of code and feature ownership. 
• Work with complex and varied data structures (APIs can be a little, uh, eccentric). 
• Help out with our React-based developer platform. 
• Share what you know and learn either one-on-one or with lightning talks to the group. 
• Give back to the community via open source and blog posts. 
• Experiment: this is a startup-like environment so everything can change as we experiment with doing more custom partnership work 
• As a part of Walmart Labs' all-hands philosophy, help customers via support to ensure they have the best experience possible.
  

What you will bring:

• BE/MS/PhD in Computer Science or equivalent. 
• 3-6 years of experience in software development using modern languages (React JS) 
• Thorough understanding of React.JS and its core principles 
• Own code quality and experience in writing extensive unit tests 
• Familiarity with modern front-end build pipelines and tools 
• Proven ability to learn and adapt to new technologies and frameworks quickly 
• Ability to deliver in Agile method (SCRUM) 
• Excellent written communication and follow-up skills 
• Experience developing and consuming REST APIs / GraphQL
  

Additional Qualifications:

• Large scale distributed systems experience, including scalability and fault tolerance. 
• Exposure to cloud infrastructure, such as Open Stack, Azure, GCP, or AWS 
• A continuous drive to explore, improve, enhance, automate and optimize systems and tools. 
• Strong computer science fundamentals in data structures and algorithms 
• Exposure to information retrieval, statistics, and machine learning.