Software Engineer - Digital Site Development

Software Engineer - Digital Site Development

Join to apply for the Software Engineer - Digital Site Development role at Costco Wholesale.

Costco IT is responsible for the technical future of Costco Wholesale, the third largest retailer in the world with wholesale operations in fourteen countries. Costco IT is a dynamic, fast-paced environment, building the next generation retail experience and delivering capabilities to create delightful member experiences.

The Software Engineer will design and build modern user interface components to enhance our member experience across a wide variety of digital touchpoints. This role is responsible for delivering capabilities to maintain and improve user experiences through functional improvement, documentation, profiling, and front-end performance enhancements.

• This position will be filled onsite in Issaquah, WA, or Dallas, TX.

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.
• Supports release planning activities in conjunction with Product Owners and teams.
• Identifies high-level requirements to support the definition and refinement of a robust testing strategy.
• Supports the Product Owner with the identification and definition of enablers/work items to support the architectural runway of a given product/application.
• Defines the non-functional requirements (e.g., performance, security, resiliency) which support the development of epics and user stories aligned to a value stream.
• Identifies technical dependencies across several product/application teams to support the implementation of new or enhanced functionality.
• 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.
• Participates in scrum ceremonies (sprint planning, retrospective, showcases/demos, stand-ups, backlog refinement, etc.).
• Creates and executes unit tests which validate the code changes made to support the implementation of a user story.
• Uses test driven development (TDD) practices to assist with the detection/recognition of software defects early in the development process.
• Estimates, plans, and manages all implementation tasks and reports on development progress.
• Designs, builds, debugs, optimizes, and implements solutions in approved tool sets and databases.
• Develops high-quality, efficient, and fault-tolerant software.
• Supports, extends, and builds automated CI and CD pipelines.
• Designs and delivers DevSecOps automation for app deployment and testing.
• Uses APM/monitoring tools to perform analysis to identify bottlenecks and suggest improvements.
• Mentors Junior Engineers and contributes to department standards and best practices.
• Reviews code and defines remediation tactics for defects impacting multiple features.
• Collaborates with team members to define project specifications and release documentation.
• Oversees development of web-based user interfaces using React.js concepts and workflows.
• Delivers coaching and advocacy for engineering best practices and developer experience.
• Improves code quality, automated tests, CI/CD initiatives, and performance of front-end interfaces.
• Performs troubleshooting for interface software and debugs application code.
• Monitors and improves front-end performance and builds accessible, reusable components.

Qualifications

• Required
• 7+ years’ previous experience working as a React.js developer.
• 7+ years’ experience in React.js, HTML, CSS3.
• Extensive experience in JavaScript and React concepts, advanced front-end coding skills, and strong understanding of progressive web applications.
• Experience in front-end development and able to work in a fast-paced environment.
• Strong collaboration, coaching, and mentoring skills.
• Proficiency with building responsive layouts using CSS and CSS preprocessing.
• Understanding of cross-browser compatibility.
• Ability to integrate 3rd party APIs and understanding of REST and GraphQL patterns.
• Proficiency with state management (Redux) and related tooling.
• Knowledge of JavaScript ES6+ features.
• Experience with front-end bundling and optimization.
• Strong understanding of CSS fundamentals, accessible patterns, component design, and data structures.
• Strong troubleshooting, communication, and interpersonal skills.
• Self-motivated with a positive attitude and scheduling flexibility including weekends/holidays/on-call as required.
• California applicants: refer to Costco Applicant Privacy Notice.
• Required documents: Cover Letter, Resume.

• Recommended
• Degree in Computer Science or related field
• Retail eCommerce experience
• WCAG 2.1 AA understanding, design systems experience, performance analysis for large-scale apps
• Experience with Storybook, GraphQL, serverless platforms (Azure or GCP), and related technologies
• Familiarity with GraphQL, Redis, MongoDB or similar databases
• Experience with MUI v5, Gatsby.js, and Storybook
• Experience translating design mockups into working applications

• Employment type : Full-time
• Seniority level : Mid-Senior level
• Job function : Engineering and Information Technology
• Industries : Retail

Costco is an equal opportunity employer. If you need assistance or a reasonable accommodation during the application process, please contact