Senior, Software Engineer- back End

About the Role

Key Responsibilities

• Analyze business and software requirements to determine the feasibility of designs within time and cost constraints for Walmart's software systems.
• Design eligibility system capabilities with the help of event sourcing and CQRS design patterns.
• Develop systems using reactive programming in Java, Spring Boot, and Azure Cosmos DB.
• Design complex algorithms to fulfill eligibility system requirements, reducing shipping costs and ensuring fast delivery.
• Develop, maintain, and enhance software features using scientific analysis and mathematical models to predict and measure outcomes.
• Work on technical solutions to improve customer experience and optimize application response time.
• Develop and implement software release management strategies according to the agile process, including deploying and configuring source-controlled repositories.
• Develop build artifacts, configure, and maintain pre-production environments with complex middleware setups.
• Develop, execute, and improve automated testing procedures for new features and system validation.
• Migrate legacy systems to high-performance cloud environments and implement big data Spark jobs for analytics and data processing.
• Maintain and optimize internal systems such as Kafka, Solr, Cassandra, and Spark Jobs.
• Troubleshoot business and production issues, perform root cause analysis, and document resolutions.
• Implement production-ready, load-balanced, highly available, fault-tolerant, auto-scaling Kubernetes infrastructure and microservices container orchestration.

Requirements

• Bachelor's degree or equivalent in Computer Science, Engineering, or related field and 5 years of experience in large-scale enterprise software development, or
• Master's degree or equivalent in Computer Science, Engineering, or related field and 2 years of experience in large-scale enterprise software development.
• Experience coding in object-oriented programming languages including Java and Python.
• Experience implementing and deploying containerized applications using Docker and Kubernetes.
• Experience designing and implementing Kafka for applications.
• Experience writing Spark jobs for Big Data processing.
• Experience writing Unit Tests, Functional Tests, and Integration Tests.
• Experience implementing and integrating application and system metrics monitoring.
• Experience providing production support and fixing coding problems for customer-facing issues.
• Experience building data pipelines using Kafka, BigQuery, GCP, Spark/Flink, etc.
• Experience writing Shell Scripts to automate deployments.
• Experience developing YAML files for Jenkins jobs to automate CI/CD processes.
• Experience designing and implementing Cassandra DB, Distributed L2 Caching, and Apache Solr.

Nice to Have

• Background in creating inclusive digital experiences and knowledge of Web Content Accessibility Guidelines (WCAG) 2.2 AA standards.
• Experience with assistive technologies and integrating digital accessibility into products and services.

Qualifications

• Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years' experience in software engineering or related area.
• Option 2: 5 years' experience in software engineering or related area.
• Preferred: Master's degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 1 year's experience in software engineering or related area.

Benefits & Perks

• Competitive pay with performance-based bonus awards.
• Health benefits including medical, vision, and dental coverage.
• Retirement plans such as 401(k) and stock purchase programs.
• Paid time off including PTO, parental leave, family care leave, bereavement, jury duty, and voting.
• Other benefits like short-term and long-term disability, company discounts, military leave pay, adoption and surrogacy expense reimbursement.
• PTO and PPTO for vacation, sick leave, holidays, or other purposes.
• Live Better U education benefit program covering tuition, books, and fees.