PRINCIPAL APPLICATION DEVELOPER / EMERGENCY APPOINTMENT HOMELESSNESS

Position/Program Information

EXAM NUMBER:

PH2526B-EA

TYPE OF RECRUITMENT:

OPEN COMPETITIVE - EMERGENCY

FIRST DAY OF FILING:

The application filing period will begin on Wednesday, January 28, 2026 at 8:30 a.m. (PT) - Continuous.

We will keep accepting applications until the position is filled. The application window may close unexpectedly once we have enough qualified candidates.

The LA County Board of Supervisors recently declared a local state of emergency for homelessness, and the County is working to revise and expand our response to help all who are affected. We are looking for qualified and passionate individuals to help us in the mission of addressing issues like housing, mental health, and substance use. If you are looking for a new career that will directly benefit the population of LA County, this may be the opportunity for you.

The County of Los Angeles Department of Public Health is seeking qualified candidates to fill emergency Principal Application Developer vacancies related to the homelessness crisis.

Under the emergency order, applicants who meet the requirements may be hired for an initial period of up to 90 days, with an opportunity for permanent County employment.

During your initial work period, you will be assessed on your work performance. This assessment will be weighted 100%.

Those who successfully pass the assessment will be considered for permanent appointment to Principal Application Developer.

DEFINITION:

Performs highly specialized and complex information systems analysis and programming tasks and acts as technical expert for development or maintenance of one or more major systems. This position may also function as a lead for application development projects and may supervise lower level application development personnel.

For information about the specific classification standards for this position, please visit the following link: Principal Application Developer

Federal law requires that all employed persons have a Social Security Number, so include yours when applying.

COMPUTER AND INTERNET ACCESS AT PUBLIC LIBRARIES:

For candidates who may not have regular access to a computer or the internet, applications can be completed on computers at public libraries throughout Los Angeles County. Check the website for updated information at https://lacountylibrary.org.

DO NOT SHARE USER ID AND PASSWORD:

All applicants must file their application online using their OWN user ID and password. Using a family member or friend's user ID and password may erase a candidate's original application record.

Employment Information

Any language contained in the job posting supersedes any language contained below.

This document is intended to provide general information about the recruitment process of the County of Los Angeles. Applicants with questions about a specific job posting should contact the exam analyst listed on the posting.

Final appointment is contingent upon verification of U.S. citizenship or the right to work in the United States.

Career PathFinder:

Resources to help current and prospective employees plan a career with Los Angeles County are available. To explore career paths to and from nearly all job titles, please visit our interactive Career PathFinder application at http://career-pathfinder.hr.lacounty.gov.

Veteran’s Credit:

Pursuant to the County Charter and County policy, in all open competitive examinations (i.e., examinations open to everyone), the County of Los Angeles will add a credit of 10 percent of the total credits specified for such examination to the final passing score of an honorably discharged veteran, as well as the spouse of a deceased or disabled veteran, who served in the Armed Forces of the United States under specific conditions.

For more information on veteran’s credit, please visit: https://file.lacounty.gov/SDSInter/dhr/205102_PPG_115.pdf

Revised September 2025

For detailed information, please click here

• Provides technical expertise to project managers, department management, and/or user management regarding one or more major system development or maintenance efforts.
• Advises management on technical alternatives, such as languages, tools, platforms, utilities, and servers.
• Leads and participates in the work of a team of Application Developers engaged in the development or maintenance of the most highly technical programs.
• Provides technical consulting on long-range information systems planning.
• Programs the most specialized and complex applications.
• Solves the more complex application software and system performance problems.
• Analyzes performance data and conducts capacity planning.
• Establishes quality assurance procedures.
• Monitors vendors to ensure performance according to project goals and contract terms, and reports performance problems to management.
• Assists in creating Statements of Work (SOWs) in support of applications development efforts as needed.
• Serves as a project manager as needed.
• Represents the department in collaborative efforts with other County departments, outside agencies, and/or vendors as needed.
• Supervises lower level application development personnel as needed.

OPTION I: Graduation from an accredited college with a bachelor's degree* in Computer Science, Information Systems, or a closely related field.

- AND -

Four (4) years of progressively responsible**, full-time, paid experience in a centralized information technology organization***, coding, testing and debugging application programs.

OPTION II: Two (2) years of experience, within the last three (3) years, at the level of the Los Angeles County class of Senior Application Developer****.

OPTION III: Five (5) years of progressively responsible**, full-time, paid experience in an information technology organization, coding, testing, and debugging application programs.

A valid California Class C Driver License or the ability to utilize an alternative method of transportation when needed to carry out job-related essential functions.

PHYSICAL CLASS:

Physical Class II - Light: This class includes administrative and clerical positions requiring light physical effort that may include occasional light lifting to a 10-pound limit and some bending, stooping, or squatting. Considerable ambulation may be involved.

You MUST meet the above requirement(s) in order to be appointed to fill any vacancies related to this recruitment.

*To receive credit for your education, you must attach a legible copy of the Official Diploma, Official Transcript(s), or Official Letter from the accredited institution, which shows the area of specialization and the date the degree was awarded, with Registrar's signature and school seal, to the application or within seven (7) calendar days from application submission to hrexams@ph.lacounty.gov.The document should show the date the degree was conferred and be in English; if it is in a foreign language, it must be translated and evaluated for equivalency to U.S. standards. For more information on our standards for educational documents, please visit: https://file.lacounty.gov/SDSInter/dhr/070812_PPG123.pdf and https://file.lacounty.gov/SDSInter/dhr/205105_PPG_123_ACE_Resource_Guide.pdf.

• Accredited institutions are those listed in the publications of regional, national, or international accrediting agencies, which are accepted by the Department of Human Resources (DHR). Publications such as American Universities and Colleges and International Handbook of Universities are acceptable references. Also acceptable, if appropriate, are degrees that have been evaluated and deemed to be equivalent to degrees from United States accredited institutions by an academic credential evaluation agency recognized by The National Association of Credential Evaluation Services (NACES) or the Association of International Credential Evaluators, Inc. (AICE). (see Employment Information under Accreditation Information).
• Official Transcript is defined as a transcript that bears the college seal and states "official and/or copy" issued by the school's registrar office. A printout of the transcript from the school's website is NOT considered official and will not be accepted and may result in your application being incomplete and rejected.
• We do not accept password-protected documents. Ensure documents are unlocked before attaching to your application or sending to the exam analyst.

**Progressively responsible experience is defined as work experience that clearly shows an upward progression in the level of duties and responsibilities from one job to the next.

***A centralized information technology organization in the County of Los Angeles is defined as that which is responsible, under the direction or guidance of the Chief Information Technology official (or at Sheriff Department, the coordinated executive command structure) for the department or major organization unit, for providing comprehensive IT services including analysis, design, acquisition, and/or development, implementation, maintenance, or support of information systems; and in which the work performed is in direct relationship to the IT requirements and initiatives of the department or major organization unit.

****Los Angeles County class of Senior Application Developer is defined as one who under direction, performs a wide range of application development related duties including analysis, design, evaluation, development, coding, testing and maintenance of complex application systems.

• Experience in the design, development, testing, and support of large-scale applications and system integrations.
• Experience in hands-on software development using some combination of C#.Net, MVC, ASP.NET, .Net Core, Web APIs, Razor Pages, and JavaScript frameworks (Angular JS, jQuery, React JS, Bootstrap, etc.)
• Experience with cloud engineering, implementation, and support of cloud services with a particular focus on Microsoft Azure.
• Experience with data engineering with an understanding of database systems, distributed computing, such as SQL Server, Oracle.
• Experience in the design and build-out of scalable web applications with a particular focus on high-volume transactions, secure architecture, low latency, optimal performance, and proper scalability.
• Experience in the design and implementation of RESTful API's.
• Experience with Microsoft Azure DevOps and GitHub.
• Experience in modern design patterns and practices.
• Experience translating business requirements into technology requirements for inclusion in contracts and/or statements of work.
• Experience using Agile and/or the Scrum process for software development.
• Experience with electronic health record (eHR) systems.
• Graduation from an accredited college with a Bachelor's degree in Computer Science or Information Systems.

Additional Information

EXAMINATION CONTENT:

During your initial work period, the appointing department will evaluate your performance. Those who achieve a passing score on this evaluation will be considered for permanent appointment.

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Application and Filing Information