Senior .NET Software Developer

Senior .NET Software Developer

The Senior Software Developer is responsible for leading and overseeing the development, configuration, integration, testing, and deployment of complex agency-wide information systems to address the business requirements of the state courts system. This position provides senior-level expertise to all software development functions.

Job #: 2025-97

Status:
Regular, Full-Time

Location:

Olympia, Washington

Salary Range: $93,804 - $123,084 per year (DOQ)

Opens:
December 10, 2025

Closes:
Open until filled

• Collaborate with project managers, business analysts, and other IT resources to develop IT applications using the Software Development Life Cycle (SDLC).
• Serve as the technical leader on highly complex software or application development efforts.
• Develop and maintain functionality for software applications, including change management, security and authentication, application distribution, support for data access, search routines, system-wide configurations, and reports.
• Define and analyze IT problems, conduct in-depth research, and provide recommendations on solutions based on business and technical requirements.
• Review and comment on functional and technical specifications written by AOC staff.
• Develop applications and software solutions using assigned languages, platforms, and frameworks.
• Conduct code reviews of other developers’ work products.
• Create and maintain technical documentation for research and reference.
• Perform initial unit and system testing using both manual and automated test processes to ensure deliverables work as expected.
• Coordinate with business owners, analysts, other developers, and the test team to assist in testing as development progresses.
• Execute in-depth tests, including end-user reviews, for modified and new systems.
• Document deployment procedures for ISD staff to deploy developed solutions to various environments and provide technical mentorship to other system support staff.
• Maintain IT applications and associated components while coordinating with the application support team.
• Proactively monitor system performance to identify emerging issues.
• Evaluate new software development products and programming languages and make recommendations to ensure consistency with industry best practices.
• Liaise with technical, business, and stakeholder groups, communicating effectively between the two entities.
• Respond to customer service requests and provide senior-level troubleshooting, problem resolution, and consulting.
• Collaborate to enhance or improve business processes via integration, and minimize integration impact on those processes.
• Evaluate results of integration efforts and report findings with recommendations.
• Communicate data problems and issues to key stakeholders, including technical and business end users.
• May perform lead duties for a workgroup, including resolving workflow conflicts and providing input to management.
• Perform other duties as required.

• Bachelor’s degree in Information Technology, Computer Science, or closely allied field.
• Eight (8) years of experience in a complex information technology environment, including six (6) years of experience developing and enhancing applications using C#, .NET, MS Entity Framework, and Magic XPA.
• Working knowledge in software development methodologies, design, and implementation.
• Skill using version control systems, web services, and automated build/deploy agents.
• Knowledge of Enterprise Architecture fundamentals.
• Proficiency in Microsoft 365 products, including Teams, Outlook, Word, One Note, PowerPoint, and others.
• Ability to work at least two days per week onsite at AOC facilities.
• Work week may fluctuate with workload or agency needs; overnight travel may be required.
• Position is not overtime eligible.

• Work hours may vary based on workload or agency needs.
• Overnight travel may be required based on business needs.
• This position is not overtime eligible.

The AOC is an equal opportunity employer and does not discriminate based on gender, pregnancy, race, color, national origin, ancestry, religion, creed, physical, mental or sensory disability, service animal use, marital status, sexual orientation, gender identity or expression, veteran or military status, age, HIV or Hepatitis C status, or any other basis protected by federal or state law. Persons of disability needing assistance in the application process, or those needing this announcement in an alternative format, should contact the AOC Human Resource Office at (360) 704‑4143 or fax (360) 586‑4409.

Qualified applicants must have work authorization that does not require sponsorship.

Before a new hire, a background check, including criminal history, will be conducted. Information from the background check will not necessarily preclude employment but will be considered in determining suitability for the role.