Software Engineer - Digital Order Management

Costco IT is responsible for thetechnical 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. As proof, Costco ranks ranksEighth in Forbes “World’s Best Employers” .

This is an environmentunlike 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 theCostco 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.

TheCostco Digital team is looking for a skilledSoftware Engineer who specializes in using Flutter to build iOS and desktop applications with our dynamic team. The Software Engineer must have a strong focus on mobile application development and demonstrated the ability to work in a fast-paced environment. This role will also be directly responsible for delivering capabilities to create delightful user experiences and maintaining them through functional improvement, documentation, profiling, and front-end performance enhancements. The Software Engineer will design and build modern user interface components to enhance our member experience over a wide variety of digital touchpoints. This is an exciting opportunity to contribute to the full app lifecycle, from concept to deployment and beyond.

If you want to be a part of one of the worldwideBEST 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.
• 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, etc.) 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.
• Increases proficiency and understanding of relational and non-relational databases, distributed application architectures, user interfaces and user experience, quality assurance, security concerns, and business value creation.
• Drives engineering best practices to deliver higher quality and scalable solutions.
• Provides the team with the development strategy, solution recommendations, and estimates for a given product/application.
• 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 such as Dynatrace/Splunk and browser tools to perform request purepath/waterfall analysis to identify bottlenecks and suggest improvements.
• Participates in the development and documentation of department standards and best practices, and mentors’ junior engineers.
• Provides the team with solution recommendations and estimates for a given product/application.
• Identifies deficiencies within a product/application’s code base and identifies opportunities to improve overall code quality.
• 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 the design of the overall architecture of a specific product/application.
• Oversees the development of new, highly-responsive web-based user interfaces, using Flutter concepts and workflows.
• Develops and implements front-end architecture to support user interface concepts.
• Adopts technical ownership of features and advancing product functionality.
• Meets with the development and business teams to discuss user interface ideas and applications.
• Advocates for and improves code quality, automated tests, CI/CD initiatives, and the developer experience.
• Reviews application requirements and interface designs.
• Performs troubleshooting for interface software and debugging application code.
• Monitors and improves front-end performance.
  
  

Required

• 3+ years’ previous experience working with Flutter for iOS and desktop applications.
• Deep knowledge of Dart and experience with Flutter widgets, animations, and state management solutions.
• Ability to integrate 3rd party APIs and a strong understanding of REST and GraphQL patterns.
• Familiarity with RESTful APIs to connect mobile applications to back-end services.
• Knowledge of unit testing frameworks.
• Proficiency with client-side application bundling and optimization.
• Experience with Flutter browser-based debugging and performance testing software.
• Experience refactoring code and algorithms for improved performance and robustness.
• Experience developing within agile methodology.
• Strong troubleshooting skills and ability to analyze potential future issues; strong relationship builder in cross-functional teams.
• Experience programming with mobile databases technologies such as SQLite or Hive.
• Strong knowledge of object-oriented concepts.
• Strong verbal and written communication skills and be able to communicate to both technical and business audiences.
• Ability to work with all management levels.
• Team player, good interpersonal, organizational, and communication skills. Creative, likes challenges.
• Strong organizational and time management skills with ability to multitask and prioritize work effectively in a fast-paced working environment.
• Extremely responsive, able to work under pressure in crisis with a strong sense of urgency.
• Responsible, conscientious, organized, self-motivated, and able to work with limited supervision.
• Able to support off-hours work as required, including weekends, holidays, and 24/7 on-call responsibilities on a rotational basis.
  
  

Recommended

• University degree or equivalent education (Computer Science or related field).
• Experience working in a retail ecommerce environment.
• Knowledge of SOX, PII, PCI, CCPA, HIPPA regulations for transactions, security, and confidentiality.
• Understanding of WCAG 2.1 AA principles, patterns, and screen reader testing.
• Experience working on design systems building highly composable, reusable components.
• Experience with code review, performance analysis, and understanding of large-scale application infrastructure and dependencies.
• Experience translating Figma design mockups and prototypes into working applications.
• Familiarity with design patterns and microservices-based architecture patterns.
• Strong communication and teamwork skills.
  
  

Required Documents

• Cover Letter
• Resume
  
  

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

Pay Ranges

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

Level Senior - $150,000 - $190,000, 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

If hired, you will be required to provide proof of authorization to work in the United States.

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