SENIOR APPLICATION DEVELOPER / EMERGENCY APPOINTMENT HOMELESSNESS

County of Los Angeles; California; On-site; USD 90,000 - 130,000; Full time

Job summary

County of Los Angeles is seeking a Senior Application Developer under OPEN COMPETITIVE - EMERGENCY recruitment. The selected candidate will code, test, and maintain complex business applications, develop system designs, and lead project teams with focus on data extraction, transformation, and loading for system conversions.

The role involves quality assurance, documentation, and collaboration with vendors to ensure on-time and within-budget delivery.

Qualifications

• Graduation with a bachelor's degree in Computer Science, Information Systems, or a closely related field plus three (3) years of recent, full-time, paid experience coding, testing, and debugging applications programs.
• Option II: One (1) year of experience at the level of Los Angeles County class of Application Developer II.
• Option III: Four (4) years of recent, full-time, paid experience coding, testing and debugging application programs.

Responsibilities

• Codes, tests, and debugs complex application programs to create new business applications and interfaces or maintains/modifies existing business applications according to program specifications.
• Develops work plans and technical documents covering system architecture, conversion, integration, testing, and implementation for a system or complex enhancement to a system.
• Develops specifications for complex systems.
• Performs unit and modular and integration testing for complex application development/modification.
• Writes and executes programs to extract, transform, and load data for more complex system conversions.
• Performs quality assurance functions.
• Prepares, reviews, and validates technical documents and user manuals.
• Leads in the identification, analysis and resolution of complex application problems.
• Participates in developing application development methodologies and standards.
• Reviews and monitors vendor performance to ensure projects are on time, within budget, and according to specifications.
• Assists oversee installation of application software.
• Assists lead an application project team.
• Assists develop functional requirements.
• Assists develop solicitation documents such as requests for information, requests for proposals, requests for quotes, statements of works.
• Assists perform database management related activities for a specific application.
• Assists develop quality assurance procedures.

Skills

Coding

Testing

Debugging

System analysis

Education

Bachelor's degree in CS/IS or related field

Job description

Filing Start Date

July 28, 2026 at 9:00 a.m. (Pacific Time)

This opportunity will remain open until the needs of the service are met and is subject to closure without prior notice. 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.

Position/Program Information

Type Of Recruitment: OPEN COMPETITIVE - EMERGENCY

SENIOR APPLICATION DEVELOPER

Exam Number: b2525B-EA

Filing Start Date: July 28, 2026 at 9:00 a.m. (Pacific Time)

Emergency Details

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.

Before the end of 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 Senior Application Developer.

Essential Job Functions

• Codes, tests, and debugs complex application programs to create new business applications and interfaces or maintains/modifies existing business applications according to program specifications.
• Develops work plans and technical documents covering system architecture, conversion, integration, testing, and implementation for a system or complex enhancement to a system.
• Develops specifications for complex systems.
• Performs unit and modular and integration testing for complex application development/modification.
• Writes and executes programs to extract, transform, and load data for more complex system conversions.
• Performs quality assurance functions.
• Prepares, reviews, and validates technical documents and user manuals.
• Leads in the identification, analysis and resolution of complex application problems.
• Participates in developing application development methodologies and standards.
• Reviews and monitors vendor performance to ensure projects are on time, within budget, and according to specifications.
• Assists oversee installation of application software.
• Assists lead an application project team.
• Assists develop functional requirements.
• Assists develop solicitation documents such as requests for information, requests for proposals, requests for quotes, statements of works.
• Assists perform database management related activities for a specific application.
• Assists develop quality assurance procedures.

Requirements

• Option I: Graduation from an accredited college or university with a bachelor's degree in Computer Science, Information Systems, or a closely related field and three (3) years of recent, full-time, paid experience coding, testing, and debugging applications programs.
• Option II: One (1) year of experience at the level of Los Angeles County class of Application Developer II.
• Option III: Four (4) years of recent, full-time, paid experience coding, testing and debugging application programs.

Accreditation and Experience Definitions

• ACCREDITATION: Accredited institutions are those listed in the publications of regional, national or international accrediting agencies which are accepted by the Department of Human Resources. 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).
• Recent is defined as experience accrued within the last five (5) years.

License

NO OUT-OF-CLASS EXPERIENCE WILL BE ACCEPTED.

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 2 – 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.

Additional Information

Before the end of 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.

Equal Employment Opportunity/Non-Discrimination Statement

The County of Los Angeles is an Equal Employment Opportunity Employer and is committed to non-discrimination in the County workforce, regardless of age (40 and over); ancestry; color; ethnicity; religious creed; protected family or medical leave status; disability; marital status; medical condition; genetic information; military and veteran status; national origin; race ; sex; gender; sexual orientation; or any other characteristic protected by State or federal law. For more information, please visit: https://employee.hr.lacounty.gov/eeo-programs/ .

Testing Accommodations For Applicants

The County of Los Angeles complies with all federal and state disability laws and makes reasonable accommodations for qualified applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application process, please contact the testing accommodation coordinator listed on the job posting. Hearing impaired applicants with telephone teletype equipment may leave messages by calling the teletype phone number on the job posting. For more information on accommodations, please visit: https://hr.lacounty.gov/accessibility/ .

Fair Chance

The County of Los Angeles is a Fair Chance employer. Except as otherwise permissible under applicable laws, you will not be asked to provide information about conviction history unless you receive a conditional offer of employment. The County will make an individualized assessment of whether your conviction history has a direct and adverse relationship with the specific duties of the job, and will also consider potential mitigating factors, which may include, but is not limited to, evidence and extent of rehabilitation, recency of the offense(s), and age at the time of the offense(s). If asked to provide information about conviction history, any convictions or court records which are exempted by a valid court order do not have to be disclosed. Qualified applicants with arrest or conviction records will be considered for employment in accordance with County Fair Chance Policies and the Fair Chance Act (Gov. Code Section 12952).

Employment Eligibility

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