Senior .NET Applications Developer

Senior .NET Applications Developer# Maricopa County Careers## Senior .NET Applications Developer Apply:
301 S 4th Ave, Phoenix, AZ 85003:
Full time:
Posted Today:
End Date:
October 28, 2026 (7 days left to apply):
JR26512
** Posting Date
** 10/20/26
** Final date to receive applications
** 10/27/26
** Pay Range**$87,000 - $156,500 annually    Salary offers are based on the candidate's equivalent experience and internal equity with other employees within the same job classification. This position is not eligible for overtime compensation.
** Job Type
** Unclassified
* * Department
* * Enterprise Technology
** About the Position
** Enterprise Technology and Innovation is seeking a highly skilled Senior .NET Applications Developer who is passionate about building scalable, secure, and innovative enterprise applications using modern Microsoft technologies. This role will focus on designing, developing, and maintaining robust solutions leveraging the .NET ecosystem, including ASP.NET, C#, RESTful APIs, and related technologies.  The ideal candidate will not only have hands-on experience developing complex business applications and integrations but will also bring a strong understanding of software architecture, development best practices, security, and application lifecycle management to ensure solutions are maintainable, performant, and aligned with organizational standards.

If you thrive on solving challenging technical problems, mentoring others, and driving digital transformation through modern application development, this is your opportunity to make a measurable impact.
** About Us
** Are you looking for a career in a dynamic organization that embraces a can-do spirit? Look no further than Maricopa County’s Enterprise Technology & Innovation!

We are a team that prides ourselves on leveraging technology to create digital transformations. We look for ways to bring about innovative solutions while providing top-notch customer service. Apply today and become part of the team that makes a lasting impact on the future of technology at Maricopa County.  
** Proud To Offer
*** Work with a greater purpose
* Tuition reimbursement
* Exceptional work-life balance, with hybrid and alternative work schedules options available
* Opportunities for growth and development within Maricopa County
* Low-cost, high-value healthcare for you and your qualifying dependents
* Child care benefits, including access to the Maricopa County Kids Club, dedicated to serving Maricopa County families
* Paid vacation, sick time, and parental leave
* Extensive wellness program, including an incentive
* Enrollment in the Arizona State Retirement System, a defined retirement benefit requiring an 11.98% per paycheck contribution rate that includes a 100% employer match on Day 1
* Want to learn more about the County’s Qualifying and Compensation Philosophy? Follow this link to learn more!  Work With Us | Maricopa County, AZ  
** We Require
*** Five (5) years of progressively responsible experience in application development, programming, systems analysis, software implementation, systems integration, or related information technology functions, including the design, development, maintenance, modernization, and support of enterprise applications utilizing Microsoft .NET, C#, Visual Studio, SQL Server, HTML5, CSS, JavaScript/jQuery, Azure Dev Ops (ADO), RESTful APIs, and Internet Information Services (IIS)
* Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a closely related field
* An equivalent combination of post-secondary education and/or job-related experience may substitute for the required experience on a year-for-year basis
** We Also Value
*** Experience acting as a technical project lead
* Strong customer…