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Costco Software Engineer Jobs in Portland, OR (NOW HIRING)

Senior Software Engineer

Camas, WA

$134K - $177K/yr

A Senior Software Engineer (SSE) is responsible for designing, developing, and modifying corporate ... PriceClub/COSTCO/Sam's Club annual membership

Senior Software Engineer

Camas, WA · On-site

$117K - $148K/yr

A Senior Software Engineer (SSE) is responsible for designing, developing, and modifying corporate ... PriceClub/COSTCO/Sam's Club annual membership

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Costco Software Engineer information

See Portland, OR salary details

$67.4K

$156.5K

$218K

How much do costco software engineer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for costco software engineer in Portland, OR is $156,471.00, according to ZipRecruiter salary data. Most workers in this role earn between $127,300.00 and $183,500.00 per year, depending on experience, location, and employer.

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 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 are popular job titles related to Costco Software Engineer jobs in Portland, OR?

For Costco Software Engineer jobs in Portland, OR, the most frequently searched job titles are:

What job categories do people searching Costco Software Engineer jobs in Portland, OR look for?

The top searched job categories for Costco Software Engineer jobs in Portland, OR are:

Infographic showing various Costco Software Engineer job openings in Portland, OR as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 10% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $156,471 per year, or $75.2 per hour.

Senior Software Engineer

PLEXSYS

Camas, WA

$134K - $177K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 6 days ago


Job description

At PLEXSYS, our teams design, build and deliver Live, Virtual, and Constructive (LVC) innovation and training solutions to customers around the world. With over 200 employees in seventeen states and four foreign countries, we contribute our success to enabling better training...everyday...across the globe.


As an employee of PLEXSYS, you'll find a culture that empowers you to achieve your professional objectives, give your personal best, and work with other highly passionate individuals. Our core values of integrity, excellence, teamwork and agility drive our daily decisions, identify our focus areas, and inspire our organizational culture.


A Senior Software Engineer (SSE) is responsible for designing, developing, and modifying corporate software applications. The SSE is expected to generate concise feature requirement specifications and design documents. Additionally, the SSE is expected to track development timelines, lead the design phase, and negotiate feature sets with the product development leads as well as product managers. The SSE is required to rely on experience and judgment to plan and accomplish assigned development goals. The SSE provides leadership, mentorship and guidance to junior and intermediate level engineers. This position reports directly to a Product Manager or Applications Development Manager.


**This position is IN OFFICE at our Camas, WA headquarters.**


Duties & Responsibilities

  • Provide detailed software designs as well as implement and/or maintain code according to duties and responsibilities
  • Rely on experience and judgment to plan and accomplish assigned projects
  • Provide guidance to junior and intermediate engineers, assisting them with planning and accomplishing assigned projects.
  • Perform a variety of complicated engineering tasks
  • Provide both remote and on-site technical support to current and potential customers
  • Generate detailed software design as well as implement and/or maintain code according to duties and responsibilities
  • Manage and adhere to schedules, deadlines and development goals
  • Other duties as assigned

REQUIREMENTS

  • Bachelor's in computer science or related field, Master's desirable
  • Four (4) plus years of Professional Object-Oriented Software Design and Implementation Experience
  • Demonstrated organizational, leadership, decision-making and communications skills
  • Demonstrated ability to rapidly learn new technologies
  • Demonstrated critical thinking skills
  • Ability to apply creativity and latitude in solutions is required
  • Ability to periodically travel as business needs dictate
  • Ability to obtain and maintain a US Security Clearance: Secret


Desirable

  • Knowledge of modeling and simulation concepts and practices
  • Experience writing software using C++ and SCALA
  • Experience writing software with Qt/QML
  • Experience with voice and audio sampling, formats, streaming, and processing
  • Knowledge of RF and radio transmission systems
  • Experience utilizing Artificial Intelligence and Machine Learning technologies
  • Experience training AI models
  • Ability to analyze, debug, and optimize a complex software project
  • Experience working with modeling and simulation software products and concepts
  • Military experience in a Command and Control or Intelligence Reconnaissance and Surveillance career field
  • Ability to setup, configure and troubleshoot a local area network
  • Familiarity using JIRA, Confluence, Visual Studio, and Perforce
  • Familiarity with SISO and DMO Standards
  • Experience in Database Management


PERKS

As a PLEXSYS employee, you can expect certain advantages; such as advancement based on performance, competitive wages, valuable benefits and a great working environment. Our team is committed to ensuring an environment that empowers individuals to realize their full potential by providing opportunities and necessary support to achieve personal and professional goals.

  • Medical/Vision/Prescription/Dental Benefits
  • Life, AD&D and Long Term Disability Coverage
  • Paid Holidays, Military Leave, and Paid Time Off
  • 401k Plan with eligibility from first day of employment
  • Education reimbursement for job-related courses for full-time employees
  • PriceClub/COSTCO/Sam's Club annual membership