iOS Developer – Membership job vacancy in Costco Wholesale (Seattle, WA 98134)

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Company name : Costco Wholesale
Location : Seattle, WA 98134
Position : iOS Developer – Membership

Description :
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. In 2018, Costco contributed over $39 million to organizations such as United Way and Children’s Miracle Network Hospitals.
Costco IT is responsible for the technical future of Costco Wholesale, the second largest retailer in the world with wholesale operations in twelve countries. Despite our size and explosive international expansion, we continue to provide a family, employee centric atmosphere in which our employees thrive and succeed. As proof, Costco consistently ranks in the top five of Forbes “America’s Best Employers”.
Costco is looking for an experienced iOS Developer to join its Membership development team, responsible for the Employee and public-facing Costco app. The Developer must be proficient in all aspects of the application’s lifecycle from concept to delivery. The individual in this role may be asked to be the development lead on projects, to ensure the delivery of high quality artifacts and to follow Costco’s SDLC.

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


Delivers across the entire app life cycle – concept, design, build, deploy, test, release, and support.
Interacts directly with other developers and stakeholders to conceptualize, build, test, and release products.
Understands the “cutting edge” technology, while delivering reliable functionality to the market.
Partners with the User Experience team to build new features.
Optimizes performance for iOS applications.
Keeps up to date on the latest industry trends in iOS technology.
Explains technologies and solutions to technical and non-technical stakeholders.
Provides accurate and timely estimates and work breakdown schedules.
Creates conceptual and detailed technical design documents.
Adopts and implements standards and best practices for software development.
Provides 3rd-level application support for production installed components.


4+ years’ of mobile app development experience.
Demonstrable knowledge of iOS development, proficient in Swift, Xcode, and Objective-C.
Detailed knowledge of iOS technologies including networking, data, and UI frameworks, and the application lifecycle.
Have worked on apps that are published on the App Store.
Solid knowledge of mobile user interface development.
Good problem solving, analytical, and troubleshooting skills.
Working knowledge of RESTful services.
Strong communication skills, both oral and written, including ability to work with all management levels.
High integrity, accountability, a positive attitude, and be willing to do what it takes to make the team successful.
Proven ability to manage priorities and timelines.
Extremely responsive, with a strong sense of urgency.
Responsible, conscientious, organized, self-motivated and able to work with limited supervision.
Scheduling flexibility to meet the needs of the business including evenings, weekends, and 24×7 on-call responsibilities on a rotational basis.


BS or MS in Computer Science/Engineering or equivalent work experience is a plus.

Required Documents

Cover Letter

California applicants, please click here to review the Costco Applicant Privacy Notice.

Apart from any religious or disability considerations, open availability is needed to meet the needs of the business. If hired, you will be required to provide proof of authorization to work in the United States. Applicants and employees for this position will not be sponsored for work authorization, including, but not limited to H1-B visas.

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