Custom Applications Developer

Salary: Depends on Qualifications
Location : Houston, TX
Job Type: Regular Full-time
Job Number: 16461
Department: Universal Services
Opening Date: 03/26/2026
Closing Date: 4/26/2026 11:59 PM Central
Max Number of Applicants: 100

Position Description
About Harris County and Universal Services:

Harris County Universal Services (Universal Services) is transforming the way the County does business and seeking a Custom Applications Developer to join our team.
Universal Services is the enterprise IT solutions center for the departments and offices of Harris County, providing Information Technology, Public Safety and Justice Technologies, 311 Constituent Engagement Services, Fleet Services, and Records and Information Governance Services.
Harris County is the third largest and most diverse county in the nation, with a population of more than 4.7 million. Harris County Commissioners Court, the County's governing body, directs a budget of more than $4 billion providing essential services including flood control, infrastructure, healthcare, housing, and justice administration.
This is a great opportunity to join Universal Services as we enhance critical services to Harris County residents and internal customers.
Position Summary:

The Custom Application Developer Analyzes, designs, develops, and implements complex software solutions to support enterprise operations. Ensures high-quality delivery, efficient workflows, and continuous improvement of development processes.
Duties & Responsibilities:

Design and develop software solutions; analyze requirements; manage development lifecycle; troubleshoot and resolve defects; maintain workflows; collaborate with teams; provide technical guidance and mentorship, provide software development level of effort estimates tied to use cases and functional requirements.
Harris County is an Equal Opportunity Employer
;br> If you need special services or accommodations, please call or email
This position is subject to a criminal history check. Only relevant convictions will be considered and, even when considered, may not automatically disqualify the candidate.

Requirements
Required Education / Experience:

• Bachelor's degree in computer science or related field; 6 years software development and analysis experience
• Strong proficiency in C# and object-oriented programming
• Experience with ASP.NET MVC / Web API / .NET Core
• Familiarity with front-end technologies (HTML, CSS, JavaScript)
• Experience with relational databases (SQL Server, MySQL, etc.)
• Understanding of RESTful APIs and web services
• Experience maintaining or developing ESRI Experience Builder applications and custom React-based widgets.
• Experience with modern JavaScript frameworks such as React or Angular.

Knowledge, Skills and Abilities:

• Excellent problem-solving abilities, client facing expertise, and verbal/written communication skills
• Develop, test, and maintain applications using .NET technologies (C#, ASP.NET, .NET Core/.NET 6+)
• Proficiency with modern front-end frameworks such as React and Angular
• Strong experience with SQL Server, including stored procedures, indexing, and performance tuning.
• Collaborate with cross-functional teams to define, design, and ship new features
• Write clean, scalable, and efficient code following best practices
• Troubleshoot, debug, and upgrade existing systems
• Participate in code reviews and provide constructive feedback
• Integrate APIs, third-party services, and databases
• Ensure application performance, security, and responsiveness
• Contribute to architecture and technical design decisions

Applicants for this position will be subject to a criminal background check that includes being fingerprinted. This applies to any position with network access to Criminal Justice Information Services (CJIS) or access to an area where CJIS is received, maintained or stored either manually or electronically (i.e. custodian, maintenance).

Automatic Disqualification:

• Convictions, probation, or deferred adjudication for any Felony, and any Class A Misdemeanor
• Convictions, probation, or deferred adjudication for a Class B Misdemeanor, if within the previous 10 years
• Open arrest for any criminal offense (Felony or Misdemeanor)
• Family Violence conviction

NOTE: Qualifying education, experience, knowledge and skills must be documented on your job application. You may attach a resume to the application as supporting documentation but ONLY information stated on the application will be used for consideration. "See Resume" will not be accepted for qualifications.

Preferences

• Experience supporting or modernizing ASP.NET Web Forms applications is a plus.
• Experience with Azure cloud hosting and application monitoring is a plus.
• Experience implementing OAuth2/OpenID Connect authentication flows is a plus.

General Information
Location:

• 1111 Fannin St., Houston, TX 77002

Work Arrangement:

• Hybrid (Exact hybrid schedule can be discussed with your manager)

Employment may be contingent on passing a drug screen and meeting other standards.

Due to a high volume of applications positions may close prior to the advertised closing date or at the discretion of the Hiring Department.

HARRIS COUNTY EMPLOYEE BENEFITS

Harris County offers a highly competitive benefits program, featuring a comprehensive group health plan and defined benefit retirement plan.
The following benefits are offered only to Harris County employees in regular (full-time) positions:
Health & Wellness Benefits

• Medical Coverage
• Dental Coverage
• Vision Coverage
• Wellness Plan
• Life Insurance
• Long-Term Disability (LTD) Insurance
• Employee Assistance Program (EAP)
• Healthcare Flexible Spending Account
• Dependent Care Flexible Spending Account

Paid Time Off (PTO)

• Ten (10) days of vacation leave per year (accrual rate increases after 5 years of service)
• Eleven (11) County-observed holidays
• One (1) floating holiday per year
• Paid Parental Leave*
• Sick Leave

Retirement Savings Benefit

• 457 Deferred Compensation Plan

The following benefits are available to Harris County employees in full-time and select part-time positions:

• Professional learning & development opportunities
• Retirement pension (TCDRS defined benefit plan)
• Flexible work schedule*
• METRO RideSponsor Program*

* Participation may vary by County department. The employee benefits plans of Harris County are extended to all eligible participants across various departments with the exception of the Harris County Community Supervision and Corrections Department, for which the cited Health & Wellness Benefits are administered through the State of Texas.
In accordance with the Harris County Personnel Regulations, group health and related benefits are subject to amendment or discontinuance at any time. Harris County Commissioners Court reserves the right to make benefit modifications on the County's behalf as needed.
For plan details, visit the Harris County Benefits & Wellness website:
01

Which of the following best describes your highest level of education completed as it relates to this position?Qualifying information must be documented in the Education section of your application.

• High School or GED diploma
• Associate Degree
• Bachelor's Degree
• Master's Degree or higher
• None of the above

02

If you selected a college degree in response to the previous question, which of the following best describes your major?

• Computer Science
• Other Related Field
• Unrelated Field
• N/A; No Degree

03

Please describe your educational background including level of education completed, area of study and completed major and minor programs.
04

Which of the following best describes your verifiable software development and analysis experience?(To be considered, qualifying experience must be documented in your application's employment history)

• Less than six (6) years
• Six (6) years but less than seven (7) years
• Seven (7) years but less than eight (8) years
• Eight (8) years or more
• I do not have this experience

05

Please provide the dates of employment during which you obtained experience working in software development and analysis. Provide the month and year that began and ended the experience ( Example: "January 2020 - December 2025" ) If this experience is not clearly documented in the Work Experience section, your application will be disqualified. If you do not have this experience, type "N/A" in the space provided.
06

Do you have experience supporting or modernizing ASP.NET Web Forms applications?

• Yes
• No

07

Do you have experience with Azure cloud hosting and application monitoring?

• Yes
• No

08

Do you have experience implementing OAuth2/OpenID Connect authentication flows?

• Yes
• No

Required Question