Software Engineer 3 - C# / .Net Core [T500-20143]

About Costco Wholesale

Costco Wholesale is a multi-billion-dollar global retailer with warehouse club operations in fourteen countries. They provide a wide selection of quality merchandise, plus the convenience of specialty departments and exclusive member services, all designed to make shopping a pleasurable treasure hunt experience for their members.

About Costco Wholesale India

At Costco Wholesale India, we foster a collaborative space, working to support Costco Wholesale in developing innovative solutions that improve members’ experiences and make employees’ jobs easier. Our employees play a key role in driving and delivering innovation to establish IT as a core competitive advantage for Costco Wholesale.

Position Title: Software Engineer 3

Role Summary:

The Costco GDX Order Management Platform team is looking for a talented individual to design, develop, and maintain the critical services that power Costco’s multi-billion dollar eCommerce business.

This role will be instrumental in a fast-paced, dynamic environment, focusing heavily on back-end microservices development with an opportunity to make a tangible impact on millions of members globally within a rapidly expanding eCommerce landscape.

This role will be directly responsible for:

Delivering innovative capabilities that enhance the customer experience across various digital touchpoints.

Building microservice components from the ground up.

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

Roles & Responsibilities:

• Supports Senior Engineers in designing the Order Management Platform’s overall architecture, applying principles that promote availability, reusability, interoperability, and security into the design framework.
• Performs development, optimization, and automation activities to support the implementation of the Order Management platform.
• Adopts engineering best practices to deliver higher quality, scalable solutions.
• Uses test-driven development practices to assist with the detection of defects early in the development process.
• Collaborates with Senior Engineers to establish and maintain coding standards, architectural patterns, and development processes.
• Conducts peer code reviews for the changes made by other engineers within the team.
• Works with the product team on feature/story grooming.
• Participates in scrum ceremonies (sprint planning, retrospective, business demos, stand-ups, backlog refinement, etc.).
• Estimates, plans, and manages all implementation tasks and reports on progress.
• Collaborates with the team to define specifications and documentation across all phases of the product development cycle, from design to implementation.
• Regular and reliable workplace attendance at your assigned location.

Experience Required:

Minimum Qualifications:

• 8 – 12 years of experience
• 8+ years of experience with C#, TypeScript, REST, JSON, XML, YAML, Swagger, Microservices and Rest API.
• 5+ years of hands-on experience in designing and developing containerized (Dockers/Kubernetes) services based on the .Net Core framework
• 8+ years of experience developing and writing unit tests using NUnit or similar framework
• 5+ years of experience with CI/CD tools: GitHub, Jenkins
• 5+ years of experience with API development, with an emphasis on security and performance
• 3+ years of experience with microservice-based debugging and performance testing
• 8+ 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
• 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
• Bachelor's degree in computer science, Engineering, or a related field

Preferred Qualifications:

• Experience working in a retail ecommerce environment
• Experience with Data modeling and Object-Oriented design
• Redis and GraphQL are preferred.
• Knowledge of SOX, PII, PCI, CCPA, HIPPA regulations for transactions, security, and confidentiality
• Familiarity with design patterns and microservices-based architecture patterns
• Experience with deploying and configuring Google Cloud Platform resources e.g. GKE, Pub / Sub, Spanner, BigQuery
• Experience with MemoryStore, Redis or similar technologies.

Must Have Skills:

• C# OR .Net Core
• CI/CD OR Jenkins OR Github Actions
• Cloud: AWS OR GCP OR Azure
• NUnit or Unit Testing
• Dockers OR Kubernetes
• SQL Server OR Spanner OR PostgreSQL

Nice to Have Skills:

• Experience working in a retail ecommerce environment.
• Terraform OR Ansible
• TypeScript OR Angular OR React