Senior Software Engineer
At a glance
Senior Software Engineering role at Walmart. Sunnyvale · full-time · $168,917–$234,000 base.
techroles summary, based on the employer's posting.
What you'll do
- Build and assess recommendation and search-ranking models, then tune them with data scientists and A/B test results
- Create systems that capture and process live clickstream activity for analysis
- Serve machine-learning models through scalable, low-latency microservices and REST APIs
- Improve batch and streaming pipelines that ingest, transform and standardize data
- Use algorithms and statistical models to improve search, query correction and product recommendations
What you bring
- A relevant master's degree plus at least one year in software engineering, or a bachelor's degree plus at least three years
- Experience building model-serving REST APIs, automated ML training and deployment systems, and production monitoring
- A track record with large-scale A/B tests, statistical models and machine-learning ranking or recommendation work
- Experience with website data pipelines, backend signal databases, and SQL, Hive and Spark
Who this fits
This senior engineering role suits someone who can build and operate machine-learning systems for search and recommendations, from data pipelines through production serving. The position is based in Sunnyvale, California.
From the employer
What you'll do...
Position: Senior Software Engineer
Job Location: 1375 Crossman Avenue, Sunnyvale, CA 94089
Duties: Apply data science and advanced algorithms to enhance search and browse functionalities for Walmart International. Develop train and evaluate machine learning models for recommendation systems and search relevance. Develop system to collect, preprocess and analyze real time click stream data. Collaborate with data scientists to fine-tune models, propose optimizations, and conduct A/B testing. Engineer scalable, low latency microservices for hosting and serving machine learning models in real-time. Optimize data pipelines for efficient data ingestion, transformation, and normalization to support batch and streaming processes.
Minimum education and experience required: Master's degree or equivalent in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 1 year of experience in software engineering or related area; OR Bachelor's degree or equivalent in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 3 years of experience in software engineering or related area.
Skills required: Experience designing and developing REST API web services for hosting mL models. Experience designing, implementing, and validating large scale A/B tests for new features. Experience designing and developing statistical models for query correction, exploration - exploitation and regression analysis. Experience developing big data pipelines to gather, aggregate and interpret data from website. Experience establishing and managing databases for storing signal values computed from backend data pipelines. Experience designing and implementing automated systems for training, testing and deploying machine learning models. Experience developing machine learning models to enhance product ranking and recommendation systems. Experience maintaining, monitoring, and alerting pipelines for production systems. Experience utilizing SQL, Hive, and Spark for coding scripts to interact with databases and big data storage systems. Employer will accept any amount of graduate coursework, graduate research experience or professional experience with the required skills.
Salary Range: $168,917/year to $234,000/year. Additional compensation includes annual or quarterly performance incentives.
Benefits: At Walmart, we offer competitive pay as well as performance-based incentive awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty and voting. Other benefits include short-term and long-term disability, education assistance with 100% company paid college degrees, company discounts, military service pay, adoption expense reimbursement, and more.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms. For information about benefits and eligibility, see One.Walmart.com.
Wal-Mart is an Equal Opportunity Employer.
Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.
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