Senior Software Engineer

Position: Senior Software Engineer

Job Location: 1375 Crossman Avenue, Sunnyvale, CA 94089

Duties: Assess gaps/updates/modifications between the customer/business expectations and the existing product/solutions (in case of agile methodology, for the iteration). Classify the requirements into applicable types. Anticipate the solution risks/issues during requirements gathering phase, inform relevant stakeholders and recommend corrective steps. Contribute to the creation of user stories for component/application/complex (For agile methodology). Assist in design of solutions such that the processes/applications work in tandem for specific components/modules of a product. Evaluate trade-offs while designing a component based on the business requirements. Assist in conversion of HD (High Level Design) to create detailed design using mock screens, pseudo codes and detailed functional logic of the modules for specific modules/components of a product. Create/configure minimalistic code for entire component/application and ensure the components are meeting business/technical requirements, non-functional requirements, low-maintainability, high-availability and high-scalability needs. Assist in the selection of appropriate languages, development standards and tools for software coding/configuration. Take initiative to learn the fundamentals of different coding languages and frameworks that would be useful for future scope of work. Build scripts for automation of repetitive and routine tasks in CI/CD (Continuous Integration/Continuous Delivery), Testing or any other process (as applicable). Implement telemetry features as required independently. Ensure security policy requirements are properly applied to components/application during code development/configuration. Map the customer requirements in to test objectives. Identify and create test cases for the component/module. Execute test cases to test the code and detect errors and defects for the entire component. Execute different types of testing using appropriate testing tools based on the testing needs. Track and analyze defects for the component/ module and carry out regression testing to fix defects in all instances of code changes. Analyze defects from past projects/solutions to avoid recurrence of similar defects. Troubleshoot performance and availability bottlenecks for the application. Conduct complex maintenance procedures for applications independently. Monitor and evaluate the performance of the application by tracking and analyzing appropriate metrics; Perform maintenance (corrective, adaptive, perfective) and re-engineering activities. Analyze application logs, maintenance activity data, performance data and provide analysis. Evaluate change requests to identify those which are valid and feasible. Ensure adherence to the project against approved milestones and timelines.

Minimum education and experience required: Master's degree or equivalent in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, Information Technology, Electronic Engineering, Electrical 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, Information Technology, Electronic Engineering, Electrical Engineering, or related area and 3 years of experience in software engineering or related area.

Skills required: Experience architecting, designing, and implementing enterprise-scale big data systems and distributed data pipelines—both real-time and batch—with high scalability, low latency, and fault tolerance. Experience in data modeling and data architecture design. Experience with data governance principles including data quality, metadata management, and security. Experience with big data processing frameworks and query engines including Apache Kafka, Apache Spark (Scala/PySpark), Druid, Trino, and Hudi. Experience  writing high-performance queries over large-scale datasets. Experience with programming languages including JavaScript/TypeScript, Python, Java, Scala, Shell script, and system-level languages including C++, Go, and COBOL. Experience building data pipelines and processing layers. Experience with DAG-based workflow orchestration using Apache Airflow and Java DAG structures. Experience with public cloud platforms including Google Cloud Platform (GCP). Experience with Site Reliability Engineering (SRE) and Operations. Experience with development in RESTful services and CI/CD pipelines. Experience with Git, Maven, Jenkins, Concord, OneOps, Docker, Kubernetes, Prometheus, Grafana, and Splunk. Experience in containerization, DevOps practices, and performing stress testing, load testing, and integration testing to ensure system performance and reliability. Experience developing custom UI components built using React or AngularJS to visualize system health, alert status, ingestion metrics, and system reliability across distributed streaming platforms. Experience with Protocol Buffers (protobuf) and handling high-volume, petabyte-scale data serialization. Experience with system performance tuning and high-volume data processing in distributed environments, including the use of profiling tools perf, bpftrace, flame graphs, and Linux-based performance analysis utilities. Employer will accept any amount of experience with the required skills.

Salary Range: $117,000/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.

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