Software Engineer - IT Payments

Jobright.ai; Seattle (WA); On-site; USD 170,000 - 210,000; Full time

Benefits offered by this job

Health benefits

401(k)

Stock purchase plan

Paid time off

Job summary

Costco Wholesale is seeking an experienced Software Engineer for the Payments team. You will develop cloud microservices and manage deployment environments to support digital payment integration within a fast-paced retail ecosystem.

You will design, build, and optimize scalable solutions using .NET/Java, SQL/NoSQL databases, and modern DevSecOps practices, collaborating with product owners and analysts to meet business goals.

Qualifications

• 8+ years API microservices experience in C# and/or Java.
• Public cloud experience, Azure or GCP preferred.
• SQL Server and/or Cosmos DB knowledge.
• CI/CD and DevSecOps automation experience.
• Strong SDLC and Agile understanding.
• REST, Web Services, SOAP, JSON, and XML skills.
• OO concepts proficiency.

Responsibilities

• Design overall product architecture with emphasis on availability and security.
• Develop, optimize, and automate software for the product/application.
• Implement and maintain cloud infrastructure (Azure).
• Provide strategy, estimates, and guidance for implementation tasks.
• Create unit tests and practice TDD to catch defects early.
• Mentor junior engineers and participate in code reviews.
• Collaborate with Product Owners and Analysts on specifications and releases.
• Ensure performance across the full stack and databases.

Skills

API microservices

C#/Java

Cloud experience

CI/CD

SQL/NoSQL

REST/SOAP

TDD

Azure DevOps

Tools

Grafana

Terraform

Jenkins

Git

Azure DevOps

Job description

Costco Wholesale is a leading retailer known for its employee-centric culture and commitment to community service. They are seeking a highly ambitious and experienced Software Engineer for their Payments team, responsible for developing cloud microservices and managing deployment environments. The role involves collaborating with a motivated team to design, build, and optimize solutions that support digital payment integration in a fast-paced environment.

E-Commerce Retail Sports Travel Ticketing Wholesale

Responsibilities

Supports Principal Engineer with the design of the overall architecture of a specific product/application, applying principles that promote availability, reusability, interoperability and security into the design framework

Performs development, optimization, and automation activities to support the implementation of a product/application

Adopts engineering best practices to deliver higher quality and scalable solutions

Configures, maintains, and optimizes Azure Cloud infrastructure

Provides the team with the development strategy, solution recommendations, and estimates for a given product/application

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

Works with team members to move user stories from the development backlog into testing and provides clarification when needed

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

Designs, builds, debugs, optimizes and implements solutions in .NET, Java, NoSql, and RDBMS. The development of high quality, efficient and fault tolerant is an essential part of the position

Delivers automation scripts and unit test automation under DevSecOps

Performs development, debugging, optimization, and automation activities to support the implementation of a product/application

Drives engineering best practices to deliver higher quality and scalable solutions

Participates in development and documentation of department standards and best practices, and mentor 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

Demonstrates a strong understanding of emerging technologies to support the development of new solutions

Collaborates with team members (e.g., Product Owners, 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

Understands the full technology stack and underlying applications, services, and databases in order to ensure optimal performance

Uses tools such as Azure DevOps, Terraform, Grafana, Jenkins, Azure Test Labs and Git to improve and speed up delivery of our products and services

Qualification

Required

Minimum 8 years' experience in performing API microservices development using C# and/or Java

Strong experience with developing and running applications in a public cloud environment (Azure or GCP preferred)

Hands-on working knowledge of a major relational database (SQL Server preferred) and/or NoSql (Cosmos preferred)

Strong experience working in CI/CD, and designing and delivering DevSecOps automation for app deployment and testing

Experience describing the solutions and generating the architecture (Logical, Physical) artifacts

Experience in SQL programming

Must possess a strong understanding of the software development Life Cycle

Experience developing within the Agile methodology

Working knowledge of REST, Web Services, SOAP, JSON and XML technologies

Strong knowledge of object-oriented concepts

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

Demonstrated ability to execute against iteration plans and deliver assignments within scope, schedule, and budget

Ability to work with all management levels

Strong organizational and time management skills with ability to multitask and prioritize work effectively in a fast-paced working environment

Must be detail-oriented and possess strong problem-solving skills and ability to analyze potential future issues

Must have high integrity, accountability, a positive attitude, and be willing to do what it takes to make the team successful

Must be 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

Scheduling flexibility to meet the needs of the business, including weekends, holidays, and 24/7 on call responsibilities on a rotational basis

Preferred

5+ years' experience in retail industry, retail payments and/or banking

Payment integration across acquirers and terminal vendors

Designing and implementing payment platforms and payment services

Payment types including EMV contact and contactless, stored valued and tokenized payments

University degree or equivalent education (Computer Science or related field)

Knowledge of software design patterns

Proven practical experience operating in a scalable, high volume and high availability production environment

Prior experience with performance analysis and optimization of web services, software and Sql/NoSql databases

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

Paid time off

Health benefits - medical/dental/vision/hearing aid/pharmacy/behavioral health/employee assistance

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

Membership warehouse club retailer offering low-priced merchandise.

Senior Executive Vice President, COO - Warehouse Operations, U.S. and Mexico

D

Dennis Zook

Executive Vice President, Chief Operating Officer, Southwest Division and Mexico

Recent News

Bizjournals.com Feed (2025-11-12 15:43:17) Costco adds Amherst store opening to website after multiple delays