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Costco Software Engineer Jobs in Seattle, WA (NOW HIRING)

Costco

Software Engineer 3

Issaquah, WA · On-site

$149K - $169K/yr

Software Engineer 3 (Multiple Positions) Design and develop Costco Travel's in-house travel booking ... Work on Costco Travel's travel portal which allows Costco members to book car rentals, vacation ...

Costco

Software Engineer 3

Issaquah, WA · On-site

$149K - $169K/yr

Software Engineer 3 (Multiple Positions) Design and develop Costco Travel's in-house travel booking ... Work on Costco Travel's travel portal which allows Costco members to book car rentals, vacation ...

Costco

Software Engineer 3

Issaquah, WA · On-site

$149K - $169K/yr

Software Engineer 3 (Multiple Positions) Design and develop Costco Travel's in-house travel booking ... Work on Costco Travel's travel portal which allows Costco members to book car rentals, vacation ...

Costco

Quality Engineer - Costco Travel

Issaquah, WA · On-site

$83K - $107K/yr

Costco Travel is looking for a dedicated and experienced Quality Engineer to join its Online Member ... This candidate must have a clear understanding of the software development methodologies and will ...

Costco

Manager, Software Engineering

Issaquah, WA · On-site

$198K - $218K/yr

Manager, Software Engineering Define and execute the development strategy for Costco Travel's E-Commerce websites, platform, and applications. Ensure proper policies and procedures are in place to ...

Costco

Manager, Software Engineering

Issaquah, WA · On-site

$198K - $218K/yr

Manager, Software Engineering Define and execute the development strategy for Costco Travel's E-Commerce websites, platform, and applications. Ensure proper policies and procedures are in place to ...

Costco IT

Quality Engineer - Costco Travel

Issaquah, WA

$83K - $107K/yr

Costco Travel is looking for a dedicated and experienced Quality Engineer to join its Online Member ... This candidate must have a clear understanding of the software development methodologies and will ...

Costco IT

Quality Engineer - Costco Travel

Issaquah, WA

$83K - $107K/yr

Costco Travel is looking for a dedicated and experienced Quality Engineer to join its Online Member ... This candidate must have a clear understanding of the software development methodologies and will ...

Costco

Network Engineer Costco Travel

Issaquah, WA · On-site

$105K - $135K/yr

The Network Engineer is responsible for maintaining, building, and operating Costco Travel's global ... software, and architecture. • Configures and maintains physical and virtual network ...

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All JobsCostco Software Engineer JobsCostco Software Engineer Jobs in Seattle, WA

Costco Software Engineer information

See Seattle, WA salary details

$72.3K

$168K

$234K

How much do costco software engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for costco software engineer in Seattle, WA is $167,980.00, according to ZipRecruiter salary data. Most workers in this role earn between $136,600.00 and $197,000.00 per year, depending on experience, location, and employer.

What does a typical day look like for a Costco software engineer?

A typical day for a Costco Software Engineer involves collaborating with team members during daily stand-ups, working on new features or resolving bugs within Costco’s core applications, and participating in code reviews to maintain high-quality standards. You’ll coordinate closely with business analysts, quality assurance testers, and other IT professionals to ensure solutions meet user requirements and integrate smoothly with existing systems. Balancing independent work with teamwork is common, and you may also contribute to the design and architecture of new projects. This dynamic environment offers opportunities to learn, grow, and directly impact Costco’s customer and employee experiences.

What are the key skills and qualifications needed to thrive as a Costco software engineer?

To thrive as a Costco Software Engineer, you need strong programming skills (such as Java, C#, or Python), a background in computer science or a related field, and experience in building scalable applications. Proficiency with tools like Git, cloud platforms (AWS or Azure), and familiarity with frameworks relevant to Costco's technology stack can be highly beneficial. Excellent problem-solving ability, strong communication, and collaboration skills help you work effectively within cross-functional teams. These competencies ensure you can deliver reliable, high-quality software solutions that support Costco’s large-scale operations and customer-centric services.

What is a Costco software engineer?

A Costco Software Engineer is responsible for designing, developing, and maintaining software solutions to support Costco's business operations. They work on various technology initiatives, including e-commerce platforms, internal business applications, and data management systems. This role involves collaborating with cross-functional teams, ensuring software quality, and optimizing system performance. Costco emphasizes scalability, security, and efficiency in its technology solutions.

What are popular job titles related to Costco Software Engineer jobs in Seattle, WA? For Costco Software Engineer jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Costco Software Engineer jobs in Seattle, WA look for? The top searched job categories for Costco Software Engineer jobs in Seattle, WA are:
What cities near Seattle, WA are hiring for Costco Software Engineer jobs? Cities near Seattle, WA with the most Costco Software Engineer job openings:
Costco Software Engineer jobs near you
Infographic showing various Costco Software Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $167,980 per year, or $80.8 per hour.

Software Engineer 3

Costco

Issaquah, WA • On-site

$149K - $169K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 19 days ago

Costco rating

8.1

Company rating: 8.1 out of 10

Based on 1,918 frontline employees who took The Breakroom Quiz

2nd of 39 rated national retailers

Job description

Software Engineer 3 (Multiple Positions)
Job Description:
Design and develop Costco Travel's in-house travel booking software applications. Work on Costco Travel's travel portal which allows Costco members to book car rentals, vacation packages, hotels, and cruises. Collaborate on requirement analysis, project planning and scheduling, estimating the tasks, and defining project milestones. Provide software design solutions and enforce application development guidelines and best practices. Organize and lead sprint planning activities as well as prioritize project tasks and assign them to the appropriate team members.
Leverage education and professional experience to coach and mentor developers to drive operational efficiencies and technical growth within the team. Collaborate with other teams as needed to ensure the company's technical directions and standards are followed. Support deployment activities into production as per the release calendar and work closely with the software testing team in clarifying test scenarios and test cases. Telecommuting permitted up to 40%.
Minimum Job Requirements:
  • Education: Bachelor's or foreign equivalent degree in Computer Science, Computer Engineering, or a related field.
  • Experience: Three years of experience in:
    • Designing and developing client/server models and/or web-based applications using Java Enterprise Editions technologies (such as Servlet, Java Server Pages, or Spring);
    • Designing and developing database technologies with Java Database Connectivity or an equivalent data-tier framework to connect to relational databases or No-SQL databases;
    • Using relational databases (such as MS-SQL Server or T-SQL) to create and modify tables, data structures, stored procedures, and other database functions, or using ORM tools like Hibernate to manage relational data;
    • Developing REST-ful services (microservices) using Java technologies like Spring Boot, Spring Cloud or Jersey;
    • Developing unit-testing using JUnit / JMockit;
    • Developing for continuous integration and continuous deployment environments using Jenkins; and
    • Analyzing error logs in Splunk, creating dashboards, and tracking code quality.
  • Experience: One year of experience in:
    • Developing software for the IT travel industry and Online Travel Agent systems, in accordance with Open Travel Alliance (OTA) standards.

CWC Travel, Inc. (dba Costco Travel)
Position location: Issaquah, WA
Multiple positions available
Salary Range: $149,240 to $169,240 per year
Benefits: 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.

What Costco employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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About Costco

Sourced by ZipRecruiter

Costco is a membership warehouse club, dedicated to bringing our members the best possible prices on quality brand-name merchandise. With more than 800 locations worldwide, Costco provides a wide selection of merchandise, plus the convenience of specialty departments and exclusive member services, all designed to make your shopping experience a pleasurable one. Today, as the company evolves, it stays true to the qualities that helped attract and retain millions of loyal members around the globe: Commitment to quality. Costco warehouses carry about 4,000 SKUs (stock keeping units) compared to the 30,000 found at most supermarkets. By carefully choosing products based on quality, price, brand, and features, the company can offer the best value to members.

Industry

Retail

Company size

10,000+ Employees

Headquarters location

Issaquah, WA, US

Year founded

1983

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