Staff, Software Engineer - Search ML Ops

Position Summary

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What you'll do...

Here at Walmart, we're driven by an intellectual curiosity that keeps us on the cutting-edge of user design and a seamless customer experience.

We're intrigued by the opportunity to engineer the most optimal approach that drives conversions and generates consumer loyalty across every touchpoint of the digital journey.

As a Staff Software Engineer, you'll spend your days translating requirements into solutions, writing code, collaborating with cross-functional teams, and providing us with the insights necessary to think beyond the status quo.

You'll lead project teams consisting of other engineers achieving shared goals.

About Team : Search MLOps

As a member of the Model Serving team, you'll be responsible for supporting and enhancing the Walmart MLOps platform. Your duties will include suggesting ideas to achieve low latency and high performance for ML models, guiding other engineers in developing and productionizing these ideas, staying updated on the latest ML technologies to improve the Walmart ML platform, and integrating the newest ML runtimes and tools.

You will also provide suggestions for optimizing and improving the performance of trained ML models. Additionally, you will independently handle high-impact, critical platform and system monitoring issues and troubleshoot business and production problems.

As part of the team, you'll have the opportunity to work for the world's largest retailer and contribute to the development of best-in-class methodologies that significantly impact perception and transform business practices.

The larger search ecosystem is a large distributed system powered mostly by the JVM with Java as our primary programming language.

We heavily use Kubernetes, Solr, Redis, Kafka, Spark, and NoSQL, among other cutting-edge technologies in our core platform.

Experience with these technologies would be advantageous but is not required.

What You'll Do

During any given day, you will :

• Assist in solving problems by writing and developing code, conducting unit testing, communicating status and issues to team members and stakeholders, troubleshooting open issues and bug-fixes, and ensuring on-time delivery and hand-offs.
• Assist in providing guidance to engineers for assigned Engineering projects by providing detailed technical feedback through various channels including pair programming and code reviews.
• Provide support to the business by responding to user questions, concerns, and issues.
• Troubleshoot business and production issues by gathering information (for example, issue, impact, criticality, possible root cause) and performing root cause analysis to reduce future issues.
• Participate in the discovery phase of medium to large-sized projects to come up with high-level design by partnering with the product management, project management, business, user experience teams, and engineering teams.

Now, imagine doing all the above for the world's largest retailer. That's the Walmart experience. Intrigued?

What You'll Bring

You have and can implement big ideas with a positive attitude. You want to be a part of the team to disrupt this industry, and you have these main skills :

• Working experience or knowledge about machine learning, model serving runtimes (ex : Torchserve, Triton etc), model serving platforms (ex : Kserve).
• Proficiency in Python programming, with the ability to write clean, maintainable, and efficient code. Ability to suggest improvements that reduce code execution latency without compromising functionality.
• Solid fundamentals in Algorithms, Data Structures, Complexity Analysis and Object-Oriented Design.
• Experience building high-performance, highly available and scalable distributed systems.
• Experience working on cloud native services.
• Ability to build products with focus on testability, someone who loves test coverage.
• A disciplined approach to development, code review, testing, documentation, and code structure in a team environment.
• A constant desire to improve, learn more and take things to the next level and a passion for adopting the latest features in software development.

You'll really wow us if...

• You have experience using ArgoCD (or other CI / CD tools) and advanced ML monitoring tools.
• Your ability to rise above group think and see beyond the here and now is matched only by your intellectual curiosity.
• You come to the table with a comprehensive knowledge of Java as well as Agile methodologies.
• You have experience with search engines such as Solr, Lucene or ElasticSearch.
• You consider yourself to be a student of the world who thrives in an ever-changing environment that holds within it new challenges and chances to prove your expertise.
• You level up when you can teach others and empower those around you to excel.

You'll make an impact by...

• Effectively translating requirements into project parameters while working with agility from cradle to grave.
• Helping cross-functional teams to solve for business problems and develop solutions that enable us to redefine a "best-in-class" customer experience.
• Encouraging the project teams that you are part of to work collaboratively and to aim for insight-driven outcomes.

Minimum Qualifications

• As permitted by applicable law, provide evidence of full vaccination as defined by CDC guidelines OR secure approval of medical or religious accommodation for the vaccination mandate.
• Bachelor's degree in Computer Science and 5 years' experience in software engineering or related field OR 8 years' experience in software engineering or related field.

Preferred Qualifications

Master's degree in Computer Science or related field and 4 years' experience in software engineering or related field.

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 experts 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.

Flexible, Hybrid Work

We use a hybrid way of working that is primarily in office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose and deliver on business needs.

This approach helps us make quicker decisions, remove location barriers across our global team and be more flexible in our personal lives.

Benefits

Benefits : Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.

Equal Opportunity Employer

Walmart, Inc. is an Equal Opportunity 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 diversity- unique styles, experiences, identities, ideas and opinions - while being inclusive of all people.

The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job.

The full Job Description can be made available as part of the hiring process.

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