Senior .NET Developer

Salary : $95,676.00 - $125,544.00 Annually
Location : Thurston County - Olympia, WA
Job Type: Exempt
Job Number: 2026-75
Department: Administrative Office of the Courts
Opening Date: 08/12/2026
Closing Date: 9/2/2026 11:59 PM Pacific


Description
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

• 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
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
HOW TO APPLY
For more information about the position, to review the job description , application submission requirements, supplemental questions, inquire about benefits, or to apply for the position:
IMPORTANT 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 View phone number on click.appcast.io, or fax View phone number on click.appcast.io, or via email to View email address on click.appcast.io.
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
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.
More than Just a Paycheck!
Employee benefits are not just about the kind of services you get, they are also about how much you may have to pay out of pocket. Washington State offers one of the most competitive benefits packages in the nation.

We understand that your life revolves around more than just your career. Like everyone, your first priority is ensuring that you and your family will maintain health and financial security. That's why choice is a key component of our benefits package. We have a selection of health and retirement plans, paid leave, staff training and other compensation benefits that you can mix and match to meet your current and future needs.

Read about our benefits:
The following information describes typical benefits available for full-time employees who are expected to work more than six months. Actual benefits may vary by appointment type or be prorated for other than full-time work (e.g. part-time); view the job posting for benefits details for job types other than full-time.

Note: If the position offers benefits which differ from the following, the job posting should include the specific benefits.


Insurance Benefits
Employees and their families are covered by medical (including vision), dental and basic life insurance. There are multiple medical plans with affordable monthly premiums that offer coverage throughout the state.

Staff are eligible to enroll each year in a medical flexible spending account which enables them to use tax-deferred dollars toward their health care expenses. Employees are also covered by basic life and long-term disability insurance, with the option to purchase additional coverage amounts.

To view premium rates, coverage choice in your area and how to enroll, please visit the Public Employees Benefits Board (PEBB) website. The Washington Wellness program from the Health Care Authority works with PEBB to support our workplace wellness programs.

Dependent care assistance allows the employee to save pre-tax dollars for a child or elder care expenses.

Other insurance coverage for auto, boat, home, and renter insurance is available through payroll deduction.

The Washington State Employee Assistance Program promotes the health and well-being of employees.

Retirement and Deferred Compensation
State Employees are members of the Washington Public Employees' Retirement System (PERS). New employees have the option of two employer contributed retirement programs. For additional information, check out the Department of Retirement Systems' web site.

Employees also have the ability to participate in the Deferred Compensation Program (DCP). This is a supplemental retirement savings program (similar to an IRA) that allows you control over the amount of pre-tax salary dollars you defer as well as the flexibility to choose between multiple investment options.

Social Security
All state employees are covered by the federal Social Security and Medicare systems. The state and the employee pay an equal amount into the system.

Public Service Loan Forgiveness
If you are employed by a government or not-for-profit organization, and meet the qualifying criteria, you may be eligible to receive student loan forgiveness under the Public Service Loan Forgiveness Program.

Holidays
Full-time and part-time employees are entitled to paid holidays and one paid personal holiday per calendar year.

Note: Employees who are members of certain Unions may be entitled to additional personal leave day(s), please refer to position specific Collective Bargaining Agreements for more information.

Full-time employees who work full monthly schedules qualify for holiday compensation if they are employed before the holiday and are in pay status for at least 80 nonovertime hours during the month of the holiday; or for the entire work shift preceding the holiday.


Part-time employees who are in pay status during the month of the holiday qualify for the holiday on a pro-rata basis. Compensation for holidays (including personal holiday) will be proportionate to the number of hours in pay status in the month to that required for full-time employment, excluding all holiday hours. Pay status includes hours worked and time on paid leave.

Sick Leave
Full-time employees earn eight hours of sick leave per month. Overtime eligible employees who are in pay status for less than 80 hours per month, earn a monthly proportionate to the number of hours in pay status, in the month to that required for full-time employment. Overtime exempt employees who are in pay status for less than 80 hours per month do not earn a monthly accrual of sick leave.


Sick leave accruals for part-time employees will be proportionate to the number of hours in pay status, in the month to that required for full-time employment. Pay status includes hours worked, time on paid leave and paid holiday.

Vacation (Annual Leave)
Full-time employees accrue vacation leave at the rates specified in (1) or the applicable collective bargaining agreement (CBA). Full-time employees who are in pay status for less than 80 nonovertime hours in a month do not earn a monthly accrual of vacation leave.

Part-time employees accrue vacation leave hours in accordance with (1) or the applicable collective bargaining agreement (CBA) on a pro rata basis. Vacation leave accrual will be proportionate to the number of hours in pay status, in the month to that required for full-time employment.

Pay status includes hours worked, time on paid leave and paid holiday.

As provided in , an employer may authorize a lump-sum accrual of vacation leave or accelerate the vacation leave accrual rate to support the recruitment and/or retention of a candidate or employee for a Washington Management Service position. Vacation leave accrual rates may only be accelerated using the rates established WAC 357-31-165.


Note: Most agencies follow the civil service rules covering leave and holidays for exempt employees even though there is no requirement for them to do so. However, agencies are required to adhere to the applicable RCWs pertaining holidays and leave.

Military Leave
Washington State supports members of the armed forces with 21 days paid military leave per year.

Bereavement Leave
Most employees whose family member or household member dies, or for loss of pregnancy, are entitled to five (5) days of paid bereavement leave. In addition, the employer may approve other available leave types for the purpose of bereavement leave.

Additional Leave
Leave Sharing

Family and Medical Leave Act (FMLA)
Leave Without Pay

Please visit the State HR Website for more detailed information regarding benefits.

Updated 01-07-2026