Software Engineer - GDX Order Management

Costco Wholesale

Seattle, USonsite$85k-$225k/yrPosted Jul 28, 2026
Posting intelligenceActively listedReposted 6×, possible evergreen/ghost posting

Skills

kubernetestypescriptbloombergbigqueryjenkinsgithubrediscicdc#

About the role

Costco IT is responsible for the technical future of Costco Wholesale, the third largest retailer in the world with wholesale operations in fourteen countries. Despite our size and explosive international expansion, we continue to provide a family, employee centric atmosphere in which our employees thrive and succeed.

This is an environment unlike anything in the high-tech world and the secret of Costco’s success is its culture. The value Costco puts on its employees is well documented in articles from a variety of publishers including Bloomberg and Forbes. Our employees and our members come FIRST. Costco is well known for its generosity and community service and has won many awards for its philanthropy. The company joins with its employees to take an active role in volunteering by sponsoring many opportunities to help others.

Come join the Costco Wholesale IT family. Costco IT is a dynamic, fast-paced environment, working through exciting transformation efforts. We are building the next generation retail environment where you will be surrounded by dedicated and highly professional employees.

Software Engineers perform development work across the technology stack (both front-end/back-end expertise). They are versatile in how they can add value, demonstrating the ability to manage the completion of projects that involve databases, backend services, or the development of front-end applications. They should be able to demonstrate a strong understanding of emerging technologies to support the development of new solutions. Software Engineers understand the full technology stack and underlying applications, services, and databases in order to ensure optimal performance.

The Costco GDX team is looking for a passionate engineer eager to solve complex problems at a global scale. At Costco, we're building the next generation of retail technology, and we need talented individuals to drive our digital transformation. We're a company that not only delivers exceptional value to millions of members worldwide but also deeply values its employees, fosters a culture of innovation, and offers genuine opportunities for technical and career growth.

If you want to be a part of one of the worldwide BEST companies “to work for”, simply apply and let your career be reimagined.

ROLE

Collaborates with team members (e.g., Systems Architects, Systems Analysts) to define project specifications and release documentation for all phases of the product development cycle from product definition to design, through implementation.

Conducts peer code reviews for the software changes made by other engineers within a team.

Supports release planning activities in conjunction with Product Owners and teams.

Stays accountable for Order Management Platform’s overall architecture, strategically applying principles that promote availability, reusability, interoperability, and security within the design framework.

Establishes and maintains engineering best practices to deliver higher quality, scalable solutions.

Mentors and develops software engineers by providing guidance, coaching, and fostering a culture of continuous learning.

Establishes and maintains coding standards, architectural patterns, and development processes.

Works cross-functionally to pilot innovative technologies and capabilities that enhance overall member experience and drive business operational efficiencies.

Performs development, optimization, and automation activities to support the implementation of the Order Management platform.

Uses test-driven development practices to assist with the detection of software defects early in the development process.

Defines specifications and documentation across all phases of the product development cycle, from design to implementation.

Works with the product team on defining the product strategy and roadmap.

Estimates, plans, and manages all implementation tasks and reports on progress.

Delivers innovative capabilities that enhance the member experience across various digital touchpoints.

Builds microservice components from the ground up.

Ensures the longevity, scalability and quality of our systems through continuous improvement, comprehensive documentation, meticulous profiling, and significant performance enhancements.

Mentors a team of engineers, fostering a culture of continuous learning and improvement.

REQUIRED

10+ years of experience with C#, TypeScript, REST, JSON, XML, YAML, GraphQL and OpenAPI.

10+ years of hands-on experience in architecting, designing and developing containerized (Dockers/Kubernetes) services based on the .Net Core framework.

10+ years of experience developing and writing unit tests using NUnit or similar framework.

5+ years of experience leading development with engineers in multiple geographical locations and time zones

5+ years of experience working on building scalable cloud native architecture

5+ years of experience with CI/CD tools: GitHub, Jenkins.

10+ years of experience with API development, with an emphasis on security and performance.

5+ experience with microservice-based debugging and performance testing software.

10+ years of experience developing within an agile methodology.

Solid knowledge of database application development in relational and no-SQL platforms.

Strong verbal and written communication skills and be able to communicate to both technical and Business audiences.

Possesses strong leadership and interpersonal communication skills, effectively conveying product vision and influencing a wide range of stakeholders across the organization.

Ability to work under pressure in crisis with a strong sense of urgency.

Responsible, conscientious, organized, self-motivated and able to work with limited supervision.

Detail-oriented and possess strong problem-solving skills and ability to analyze potential future issues.

Able to support off-hours work as required, including weekends, holidays, and 24/7 on call responsibilities on a rotational basis.

Recommended

Bachelor's degree in Computer Science, Engineering, or a related field.

Experience working in a retail ecommerce environment.

Experience with Data modeling and Object-Oriented design

Knowledge of SOX, PII, PCI, CCPA, HIPPA regulations for transactions, security, and confidentiality.

Experience with deploying and configuring Google Cloud Platform resources e.g. GKE, Pub/Sub, Spanner, BigQuery

Experience with MemoryStore, Redis or similar technologies.

Proficient in Google Workspace applications, including Sheets, Docs, Slides, and Gmail.

Required Documents

Cover Letter

Resume

California applicants, please review the Costco Applicant Privacy Notice.

Pay Ranges:

Level 1 - $85,000 - $110,000

Level 2 - $105,000 - $135,000

Level 3 - $130,000 - $160,000

Level SR - $150,000 - $190,000, Bonus and Restricted Stock Unit (RSU) eligible

Level Staff - $180,000 - $225,000, Bonus and Restricted Stock Unit (RSU) eligible

We offer a comprehensive package of benefits including paid time off, health benefits - medical/dental/vision/hearing aid/pharmacy/behavioral health/employee assistance, health care reimbursement account, dependent care assistance plan, short-term disability and long-term disability insurance, AD&D insurance, life insurance, 401(k), stock purchase plan to eligible employees.

If hired, you will be required to provide proof of authorization to work in the United States. In some cases, applicants and employees for selected positions will not be sponsored for work authorization, including, but not limited to H1-B visas.

Compensation

This Software Engineer role pays $85k-$225k/yr. Within typical range for software engineer roles in United States.

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