Senior Solutions Developer; Hybrid

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Job Number:772
Salary:$-$
Department/Office: Information Technology
Division: Technical Services
Location: 5334 S. Prince St., Littleton, CO, 80120
Job Type
:

Salary Full-Time
Posting Date: 08/31/2026
Closing Date: 09/30/2026

The Arapahoe County government serves its communities in ways both obvious and obscure. As the beating heart of local and regional government, we’re here for our neighbors on their best days—and their worst. We share our residents’ goals of preserving our quality of life and strive to be the place we’re proud to call home.

Provides expert technical skills for applications development, testing and implementation required for County-wide business operation. Defines technical architecture, designs and creates functional specifications for business systems applications. This position will be expected to install new releases, evaluate and install patches and resolve software-related problems.

May be responsible for the outcome of solutions, providing advice, guidance and assistance to team members and end user areas on matters related to the analysis, design and implementation of automated information processing solutions.

• Provides technical development, analysis, testing and implementation for the creation or modification of custom applications; defines project milestones and develops program logic; develops test data and methodology and applies technical procedures to prove logic and application of programming instructions.
• Provides analysis of options and alternatives for applications.
• May develop tests to troubleshoot problems, plan, test, and implement solutions.
• May generate reports for County business using current IT standards.
• May develop technical and user application instructions and documentation and may provide training on new applications or changes to existing applications for both customers and departmental employees.
• May assist in the preparation of project plans and resource projections for all activities performed within the framework of a given project. This includes defining project scope as well as preparing work plans for the project.
• Supports current IT Standards.
• Continue personal development and education to remain informed of current industry development and technologies.

Skills, Abilities and

Competencies:

• Expert knowledge and experience with current programming languages including ASP.Net, C#, .NET CORE Web Api as well as database integration (MS SQL SERVER), client/server technology, web development, web tools, relational database technology, or cloud computing.
• Strong knowledge and experience with programming libraries, frameworks, and tools including React, React Router, and shadcn-ui.
• Knowledge and experience in development methodologies, including but not limited to:
  Agile, SDLC.
• Skills to enable design development, testing, documentation, and implementation of multi-platform systems.
• Ability to explain and discuss complex analysis and programming issues in a manner that can be understood by non-technical persons.
• Knowledge of and adherence to application security technology.
• Ability to analyze and define complex program structures.
• Ability to read and interpret technical manual and specification documents.

Behavioral Competencies (these are required for all positions at ACG):

• Accountability
• Accessibility
• Inclusivity
• Integrity

Education and Experience:

• High School Diploma or GED
• At least 8 years of experience working with application development
• Any equivalent combination of education and work experience that satisfy the requirements of the job will be considered.

Preferred

Education and Experience:

• Bachelor’s degree in…