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Costco IT

Software Engineer - Message Queuing and Integration

Issaquah (Seattle), WA, WA, United States

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Job details

Posting language: English
Posted: Oct 30, 2026

Original job description

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 Software Engineer is responsible for designing and developing enterprise Integration solutions. This position will work closely with Application teams to deliver enterprise wide solutions.

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

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.
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.
Participates in the development and documentation of department standards and best practices, and mentors’ junior Engineers.
Assesses functional and non-functional requirements and creates integration designs to meet both business and technical needs.
Analyzes, designs, develops, tests, deploys, and maintains integration solutions and process flows using various tools including IBM App Connect Enterprise and IBM MQ in support of multiple business projects and systems.
Provides 24x7 on-call support of production systems on a rotation basis for integration solutions and platforms to back up the primary administrators.
Understands, refines, and complies with integration standards, guidelines, and best practices as defined by the integration team.
Works with Solution Architects to ensure that application designs utilize the appropriate integration patterns and standards.
Maintains current knowledge of industry trends and standards.
Builds and maintains a solid understanding of the integrations and the business areas they support.

REQUIRED

5+ years’ experience analyzing, designing and implementing integration solutions. Candidates with development experience using general software development and integration technologies will be trained as necessary to use specific integration technologies.
3+ years’ experience coding with XML, JSON, or SQL.
Detail-oriented and possess strong problem-solving skills and ability to analyze potential future issues.
IBM App Connect Enterprise (aka ACE, fka IBM Integration Bus) and IBM MQ in support of multiple business projects.
Proven ability to develop software solutions with supporting documentation.
Ability to learn and maintain knowledge of multiple application areas.
Ability to build lasting trusted partnerships across various functional areas and technical disciplines.
Self-motivated, responsible, conscientious, and detail-oriented.
Proven ability to set and follow priorities and timelines.
Ability to work on multiple simultaneous timelines.
Familiar with standard code management practices and tools.
Ability to support off-hours work as required, including weekends, holidays, and 24/7 on call responsibilities on a rotational basis.
International travel may be required.

Recommended

Familiarity with ReST APIs concepts, including OAuth2.
Familiarity with Google PubSub.
Knowledge of multiple operating systems, especially i5/OS (System i / iSeries / AS/400), AIX, Linux, and Windows.
Experience with various programming and scripting languages (Java, C#, Bash/Korn).
Experience with working within the Agile framework.
Proficient in Google Workspace applications, including Sheets, Docs, Slides, and Gmail.

Required Documents

Cover Letter
Resume

California applicants, please click here to 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. Costco is committed to a diverse and inclusive workplace. Costco is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or any other legally protected status. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to IT-Recruiting@costco.com 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.

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More about this job

Skills

Architectural design
Documentation
Software development
SQL
Problem solving
API development
Linux
Microsoft Windows
Oracle Java
C#
Bash
Agile
Google Workspace
Google Docs
Google Slides
Google Gmail

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