Senior .NET Software Developer

Salary: $93,804.00 - $ per year

Location: Thurston County - Olympia, WA

Job Type: Exempt

Job Number: 2025-97

Department: Administrative Office of the Courts

Opening Date: 12/10/2025

Closing Date: Open until filled

The Senior Software Developer leads the development, configuration, integration, testing, and deployment of complex agency-wide information systems to meet the business requirements of the Washington State judicial branch. The role requires senior-level expertise across all software development functions.

To advance the timely, effective, and equitable operations of the Washington State judicial branch.

• Job #: 2025-97
• Status: Regular, Full‑Time
• Location: Olympia, Washington
• Salary: $93,804 - $123,084 per year (DOQ)
• Open Date: December 10, 2025
• Telework: Must reside in Washington State; at least 2 days per week onsite at AOC facilities

• Collaborate with project managers, business analysts, and IT resources to develop IT applications/software using the Software Development Life Cycle (SDLC).
• Serve as the technical leader on highly complex software or application development efforts.
• Develop and maintain functionality including change management, security, authentication, application distribution, data access, search routines, system-wide configurations, and reports.
• Define and analyze IT problems, conduct research, and recommend 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 software developers' work products.
• Create and maintain technical documentation for research and reference.
• Perform initial unit and system testing, ensuring deliverables meet expectations.
• Coordinate with business owners/analysts, developers, and the test team to assist in ongoing testing.
• Perform in-depth tests, including end‑user reviews, for modified and new systems.
• Create deployment documentation for ISD staff and provide mentorship to 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 recommend consistency with best practices.
• Liaise with technical, business, and stakeholder groups, communicating effectively between them.
• Respond to customer service requests and provide senior-level troubleshooting, problem resolution, and consulting.
• Collaborate to enhance or improve business processes via integration, minimizing disruption.
• Evaluate integration results and report recommendations.
• Communicate data problems and issues to technical and business stakeholders.
• Potentially perform lead duties for a workgroup, including resolving procedure or workflow conflicts.
• Perform other duties as required.

A combination of education and experience demonstrating a working knowledge of the duties and responsibilities of a Senior Software Developer may substitute for the qualifications listed.

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, Java, Magic XPA, COBOL, Natural, and Cold Fusion. (Specific requirement for this recruitment: C#, .NET, MS Entity Framework, and Magic XPA)
• Highly proficient in major programming languages/frameworks such as C#, .NET, MS Entity Framework, Java, Magic XPA, ISPW, Software AG Designer, and Cold Fusion.
• Knowledge of software development methodologies, design, and implementation.
• Skill with version control systems, web services, and automated build/deploy agents.
• Understanding of Enterprise Architecture fundamentals.
• Proficient in Microsoft 365 products (Teams, Outlook, Word, One Note, PowerPoint).

• Workweek may fluctuate based on workload or agency needs.
• Overnight travel may be required.
• 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 or mental disability, use of a service animal, 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, may contact the AOC Human Resource Office.

Benefits include medical (including vision), dental, basic life, and long‑term disability insurance; medical and dental plans with affordable premiums and flexible spending accounts;…