Senior .Net Developer

Washington State Department of Transportation; Olympia (WA); On-site; USD 96,000 - 126,000; Full time

Job summary

Administrative Office of the Courts in Olympia, WA seeks a Senior Software Developer to lead and oversee development, configuration, integration, testing, and deployment of complex agency-wide information systems for the state courts. Provides senior-level expertise across software development functions.

The role emphasizes leadership, collaboration with PMs and BAs, and adherence to SDLC practices to deliver scalable, secure solutions for the Washington judicial branch.

Qualifications

• Eight (8) years of experience in a complex information technology environment.
• Six (6) years of experience developing and enhancing applications using C#, .NET, MS Entity Framework, or other high-level languages and tools.

Responsibilities

• Collaborate with project managers, business analysts, and other IT resources to develop IT applications/software using the Software Development Life Cycle (SDLC).
• Serves as the technical leader in highly complex software or application development efforts.
• Develops and maintains functionality used by software applications, including change management, security and authentication, application distribution, support for data access, search routines, system wide configurations, and reports.
• Defines and analyzes IT problems, conducts in-depth research, and provides recommendations on solutions based on business and technical requirements.
• Reviews and comments on functional and technical specifications written by AOC staff.
• Develops applications and software solutions using assigned languages, platforms, and frameworks.
• Conducts code reviews of other software developers' work products.
• Creates and maintains technical documentation for research and reference.

Skills

C#

.NET

MS Entity Framework

SQL

Education

Bachelor's degree in Information Technology, Computer Science, OR closely allied field

Tools

Git

Azure DevOps

GitHub Actions

Job description

Salary : $95,676.00 - $125,544.00 Annually

Location : Olympia, WA

Job Type: .REGULAR: Full-Time

Job Number: 2026-75

Division: Information Services Division

Department: Enterprise Data Services (I3)

Opening Date: 08/12/2026

Closing Date: 9/2/2026 11:59 PM Pacific

Position Profile

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.

Washington Courts Employment Opportunity

Administrative Office of the Courts

Senior .NET Developer

(Senior Software Developer)

Information Services Division

Our Mission

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

The Administrative Office of the Courts (AOC) is looking for top-performing employees who embody its core values integrity, inclusion, accountability, and teamwork. It is committed to both employee growth and work-life balance.

Our diversity and inclusion efforts include embracing different cultures, backgrounds, and perspectives while fostering growth and advancement in the workplace.

POSITION DETAILS

Job #: 2026-75

Status: Regular, Full-Time*

Location: Olympia, Washington

Salary: Range 72: $95,676 - $125,544 per year (DOQ).

Opens: August 12, 2026

Closes: September 2, 2026 AOC reserves the right to close the recruitment at any time but no sooner than seven calendar days after posting.

WASHINGTON STATE RESIDENCY AND TELEWORK INFORMATION

AOC requires employees to reside in Washington State. Any exceptions must be approved. If you are invited to interview and currently reside outside of Washington State, seek more information about residency requirements from the AOC hiring manager of this recruitment.

This position requires at least 2 days per week working onsite at AOC facilities

Duties And Responsibilities

• Collaborate with project managers, business analysts, and other IT resources to develop IT applications/software using the Software Development Life Cycle (SDLC).
• Serves as the technical leader in highly complex software or application development efforts.
• Develops and maintains functionality used by software applications, including change management, security and authentication, application distribution, support for data access, search routines, system wide configurations, and reports.
• Defines and analyzes IT problems, conducts in-depth research, and provides recommendations on solutions based on business and technical requirements.
• Reviews and comments on functional and technical specifications written by AOC staff.
• Develops applications and software solutions using assigned languages, platforms, and frameworks.
• Conducts code reviews of other software developers' work products.
• Creates and maintains technical documentation for research and reference.
• Performs initial unit and system testing using both manual and automated test processes with all assignments and work products being delivered to ensure they are working as expected.
• Coordinates with business owners/analysts, other developers, and the test team to assist in testing as development progresses.
• Coordinates and performs in-depth tests, including end-user reviews, for modified and new systems.
• Create documentation for ISD staff to deploy developed solutions to various environments. Provides technical mentorship and coaching to other system support staff.
• Maintains IT applications and associated components while coordinating with the application support team.
• Proactively monitors system performance to identify emerging issues.
• Evaluates new software development products and programming languages and makes recommendations to ensure consistency with industry's best practices.
• Liaises with technical, business and stakeholder groups, communicating effectively between the two entities.
• Responds to customer service requests and provides senior-level troubleshooting, problem resolution and consulting.
• Works collaboratively to enhance or improve business processes via integration, or as necessary, minimize the impact of integration on those processes.
• Evaluates results of integration efforts, then reports and make recommendations based on findings.
• Communicates data problems and issues to key stakeholders, including both technical and business end users.
• May perform lead duties for a workgroup. These duties may include resolving procedure or workflow conflicts, providing input to the manager regarding managerial issues, and informing the manager of needs, issues and concerns.
• Performs other duties as required.

Qualifications And Credentials

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

A Bachelor's degree in Information Technology, Computer Science, OR closely allied field, AND:

• Eight (8) years of experience in a complex information technology environment TO INCLUDE:
• Six (6) years of experience developing and enhancing applications using C#, .NET, MS Entity Framework, or other high-level languages and tools.

THE IDEAL APPLICANT WILL ALSO HAVE SOME OR ALL OF THE FOLLOWING EXPERIENCE, EDUCATION, KNOWLEDGE, SKILLS, AND ABILITIES

• Highly proficient in a major programming languages/frameworks, such as C#, .NET, MS Entity Framework.
• Demonstrated experience applying software development methodologies, and leading design and implementation efforts at a senior level, including sound architectural and design decision-making across the full development lifecycle.
• Experience developing web front-end applications using frameworks such as Blazor, Angular, React/Vite, or similar front-end frameworks.
• Experience with version control systems (e.g., Git) and DevOps CI/CD practices, including designing and maintaining enterprise-scale CI/CD infrastructure using tools such as Azure DevOps or GitHub Actions.
• Experience writing and optimizing complex SQL, including stored procedures, functions, and multi-table queries, in support of application development.
• Experience using AI-assisted development tools (e.g., GitHub Copilot, Claude Code, or similar) in a professional setting, with sound judgment to balance productivity gains against code quality, security, and accountability for final output.
• Experience integrating AI capabilities into new or existing applications in advanced or innovative ways, such as building custom copilots, fine-tuning models, or embedding AI into workflow automation.
• Advanced SQL skills, including query performance tuning, indexing strategy, execution plan analysis, and database schema design.
• Ability to establish or contribute to team standards and guardrails for AI-assisted development, such as code review practices, data privacy considerations, and appropriate use policies for AI coding tools
• Knowledge of the fundamentals of Enterprise Architecture.
• Proficient in utilizing Microsoft 365 products, including Teams, Outlook, Word, OneNote, PowerPoint, and others, with expertise appropriate to the responsibilities of the role.

Supplemental Information

• The workweek may fluctuate depending 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 (actual or perceived), use of a service animal, marital status, sexual orientation, gender identity or expression, veteran or military status, age, HIV or Hepatitis C status, citizenship or immigration 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, please contact the AOC Human Resource Office, at , or fax , or via email to

Candidates who are offered a job with AOC must possess work authorization that does not require sponsorship by the employer for a visa now or in the future.

AOC complies with the employment eligibility verification requirements of the federal government eligibility verification form I-9. The selected candidate must be able to provide proof of identity and eligibility to work in the United States consistent with the requirements for that form.

AOC does not use E-verify; therefore we are not eligible to extend STEM-Optional Practice Training (OPT). For information, please visit ;br>Persons legally authorized to work in the U.S. under federal law, including Deferred Action for Childhood Arrivals recipients, are eligible for employment unless prohibited by other state or federal law.

Special Note

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 the applicant's suitability and competence to perform in the job.

We are a team-oriented culture, and a balance of family and work-life in a wonderful community. We offer a family-friendly package of pay, benefits, paid time off, and workplace opportunities to help you get the most out of your career and life.

Our Compensation Plan Includes

• Health, Dental, and Vision Plans
• Retirement Plan Options
• Deferred Compensation Plan
• Paid Time Off (Vacation, Sick Leave and Holidays)
• Paid Basic Life Insurance Policy and Long Term Disability Insurance
• Employee Assistance Program
• Flexible Spending Account and Dependent Care Assistance Program
• Public Service Loan Forgiveness

Part-time employees will receive benefits on a pro-rated basis.

Required Question

Do you have a Bachelor's degree in Information Technology, Computer Science, OR closely allied field?

• Yes
• No

Do you have at least eight (8) years of experience in a complex information technology environment?

• Yes
• No

Do you have at least six (6) years of experience developing and enhancing applications using C#, .NET, MS Entity Framework, or other high-level languages and tools?

• Yes
• No

This position requires working onsite at least two (2) days per week at the AOC office in Olympia, Washington. Are you still interested in applying for this position?

• Yes
• No