Senior .NET Developer

Senior Software DeveloperThe 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.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 DETAILSJob #: 2026-75Status: Regular, Full-Time*Location: Olympia, WashingtonSalary: Range 72: $95,676 - $125,544 per year (DOQ).Opens: August 12, 2026Closes: 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 INFORMATIONAOC 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 facilitiesDUTIESCollaborate 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.QUALIFICATIONSA 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 ABILITIESHighly 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 toolsKnowledge 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.