Systems Engineer III

Systems Engineer III

What you'll do at

Systems Engineer III you are also responsible for developing and maintaining high performance and scalable e-commerce applications that meet the needs of millions of Walmart customers and its next generation Inventory Management System that will be built largely on an event driven platform implemented via a micro-service architecture. The platform runs in the public cloud and uses large number of technologies and middle ware. We are looking to bring more intellectually curious engineers who are passionate about technology in general

You will have the opportunity to work closely with our architects, product managers and business partners to envision and power the systems & infrastructure for this complex inventory ecosystem. The ideal candidate must be able to wear multiple hats (SysEng, DBA, Developer, etc.), must be detail oriented, have superior verbal and written communication skills, strong organizational skills, able to juggle multiple tasks at once, able to work independently and can maintain professionalism under pressure. You must be able to identify problems before they happen with various monitoring and logging solutions to detect and prevent system failures. You must be able to accurately prioritize, make sound judgments, work to improve the customer experience, and get the right things done.

Responsibilities include:
• Participate in team of application engineers, architect and product visionaries to develop, prototype and build technology-driven products that will serve the current and future needs of ecommerce
• Assist in designing, transitioning and deploying of applications to various clouds
• Develop tools and framework to improve operational efficiency and anomaly detection
• Design and operate the environment to test application resiliency to infrastructure instabilities
• Responsible for application configurations in different cloud environments
• Proactively monitor, identify, and escalate issues or root causes of systemic issues
• Deliver high quality code for the software designs catering to product requirements in a fast paced agile scrum sprints
• Perform build, deployment and continuous integration processes to move the code and configurations from local development environments to QA & Production environments.
• Drive production deployments using platform’s automated CI and deployment tools
• Quickly learn tools, languages and frameworks used by the team.
• Proactively learn key processes, relationships, and underlying business requirements.
• Work as Level 3 production support engineer on a rotation-basis for any production issue. Provide support in troubleshooting / investigations pertaining to the inventory management systems.
• Responsible for production environment health as first priority, enabling automated monitoring and alerting and ensuring close to 100% uptime.
• Support Business requests for investigation and analysis
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Minimum Qualifications

Bachelor's Degree in Computer Science or related field and 2 years or Master's Degree in Computer Science or related field and 1 year of work experience.
• Solid hands on experience with object-oriented and event driven distributed systems.
• Extensive experience developing services using back end technologies e.g. Java, Spring, Hibernate, and tomcat and jBoss application servers.
• In depth knowledge of SQL/No-SQL and database technologies e.g. Oracle, Cassandra, Hive and caching solutions e.g. Couchbase, Memcached etc.
• Experience with cloud deployment tool OneOps.
• Experience with CI/CD and related tools e.g. Git, GitHub, Maven, Ant, Jenkins in Dev, QA, Staging, and Prod environments, and project tracking tools like JIRA.
• Experience with setting up monitoring and alerting tools, e.g. Nagios, PagerDuty, Splunk.
• Developing n-tier application using advanced implementations in RESTful services.
• Experience Implementing Kafka and JMS integration technologies.
• Developing services using IBM Sterling Commerce Fulfillment Suite.
• Integrate Apache Kibana with Elasticsearch to stream all messages from different partitions and topics for data analysis and monitoring purposes.
• Creating Shell scripts and SQL scripts that are executed daily to refresh data feeds from multiple systems.
• Developing test cases for existing and future functionalities using Junit, Java programing features and TestNG annotations.
• Creating cronjobs to configure scheduled email reports to business users.
• Integrates loggers for Medusa graphs to track transaction hits and response times.
• Experience in 24x7 operations, overseeing sites with constant high traffic
• Understand the metric requirements of system/application health
• Solid knowledge of Unix systems with the ability to troubleshoot issues in complex, distributed, multi-tier architectures. text

Preferred Qualifications

• Experience in Supply Chain and Inventory Management domain.
• Scripting skills in at least one of the following: Shell, Perl, Python, Bash, or Ruby
• Strong aptitude for writing efficient code
• Attitude to thrive in a fun, fast-paced start-up like environment
• Experience in production system operations (logging, telemetry, alerting etc.)
• Excellent communication and problem-solving skills
• Has ambition and vigor to add value to a rapidly growing development team

About Walmart Labs

Imagine working in an environment where one experiment can catapult an entire industry toward a smarter future. That’s what we do at Walmart Labs. We’re a team of 5,000+ software engineers, data scientists, designers and product managers within Walmart, the world’s largest retailer, delivering innovations that improve how our customers shop and our enterprise operates.

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All the benefits you need for you and your family

  • 100% coverage for in network preventative care
  • Retirement Plan
  • Vision Plans
  • Dental Plans
  • Exclusive Discounts

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