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Costco Wholesale Logo

Software Engineer - Digital Site Development

Costco Wholesale

$85,000 - $225,000
Sep 12, 2025
Seattle, WA, US
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Costco IT is responsible for the technical future of Costco Wholesale, aiming to build the next generation retail environment and support the implementation and delivery of new and/or enhanced capabilities within their e-commerce platforms.

Requirements

  • 10+ years’ functional design and technical design experience with large-scale applications, specifically large enterprise level B2C and B2B ECommerce applications.
  • Mastery of scaling applications from threading implementations to infrastructure scaling and topology planning.
  • Experience with developing and running applications in a public cloud environment (GCP preferred).
  • Experience working with a major relational database (Spanner, DB2, SQL Server etc.) and/or NoSql.
  • Experience designing, building, and delivering Java and J2EE solutions using DevOps and Continuous delivery principles.
  • Experience in Java EE and specifically in developing Java based APIs and microservices applications using Spring Boot/Spring Framework. Experience in implementing front-end solutions using React, Node JS.
  • Hands on Experience leveraging asynchronous communication patterns for developing distributed applications.

Responsibilities

  • Develops the conceptual systems architecture design and the supporting technologies needed to enable new and/or enhanced functionality within a given product/application, applying principles that promote availability, reusability, interoperability, and security into the design framework.
  • Defines the non-functional requirements (e.g., performance, security, resiliency, etc.) which support the development of epics and user stories aligned to a value stream.
  • Performs development, optimization, and automation activities to support the implementation of a product/application.
  • Develops and implements front-end architecture to support user interface concepts.
  • Drives engineering best practices to deliver higher quality and scalable solutions.
  • Designs, builds, debugs, optimizes, and implements solutions in approved tool sets and databases.
  • Supports, extends, and builds automated CI and CD pipelines.

Other

  • This position is to be filled onsite at either Issaquah WA, or Dallas, TX.
  • Ability to work effectively and produce consistent results with minimal supervision.
  • Ability to effectively lead and mentor junior devops teams. Including, members on design, data mapping, programming, and testing techniques.
  • Strong conceptual, analytical, problem-solving, decision making, troubleshooting, and resolution skills.
  • Strong written and verbal communication skills.