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Los Angeles County / Health Services / Principal Application Developer

Job-title file

Principal Application Developer

Lead staff and operations — set priorities, allocate resources, and oversee program delivery.

13 employees hold this title in Health Services. Median total compensation for the role is $250,836, above the department median of $161,402.

Employees
13
Total payroll
$3.3M
Role median
$250,836
Agency median
$161,402
Comparison
Above

What the records show

Role pay distribution

Pay distribution for this role

$215,504$280,614+

Hover a bar for its range; click to filter the list below.

How total compensation varies among the 13 people in this role. Even for one job title, pay differs with seniority, step, overtime, and tenure. Each bar is a pay range; the far-right bar collects the highest earners.

Compared with the local labor market

Principal Application Developer pay vs. the Los Angeles-Long Beach-Anaheim, CA area

Across all employers in the Los Angeles-Long Beach-Anaheim, CA area, the median wage for Software Developersabout 55,540 people is $160,920. Health Services pays a median base salary of $159,337 for this role, in line with that figureabout the 49th percentile of local pay for the occupation.

Where Health Services sits in the local pay range

10th
25th
Median
75th
90th
$98,270
$127,530
$160,920
$191,540
$223,150
Health Services median · $159,337

The bar is the range of annual wages for Software Developers across every employer in the Los Angeles-Long Beach-Anaheim, CA area, from the 10th to the 90th percentile, with the middle 50% highlighted. The marker shows Health Services’s median base salary for this role. Both figures are base pay only.

And across the country

Nationwide, the median wage for Software Developersabout 1,687,890 people is $135,980. Health Services’s median base salary is 17% above that national figure, about the 66th percentile of pay for the occupation nationally.

10th
25th
Median
75th
90th
$82,460
$105,210
$135,980
$171,980
$214,670
Health Services median · $159,337

Local and national wages differ for reasons beyond how well a job pays — cost of living, the mix of employers, and local demand for the occupation all move the Los Angeles-Long Beach-Anaheim, CA range relative to the national one.

Median total compensation for this role at Health Services is $250,836, which includes overtime and employer-paid benefits. The benchmark above excludes both, so total compensation is deliberately not compared against it.

Benchmark: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (May 2025). BLS Occupational Employment and Wage Statistics (OEWS) covers all employers in the area — private, non-profit, and government alike — so this is a comparison against the whole local labor market for the occupation, not against private-sector pay. OEWS wages are straight-time pay and exclude overtime, shift differentials, and employer-paid benefits, so the government figure shown here is base pay on the same basis. Total compensation is not comparable to it. Job titles are matched to the closest standard occupation, so the comparison is between similar work rather than an identical job classification.

Compare departments

This role across Los Angeles County

Principal Application Developer is held in 28 Los Angeles County departments. In Health Services, the median of $250,836 ranks #16 of 28.

Highest-paying departments for this role

Median total compensation for the Principal Application Developer role in other Los Angeles Countydepartments (highest first). Each bar links to that department’s page for this role.

Record list

Employees with this title

Page 1

Minh Nguyen

Principal Application Developer/Health Services

2025 total comp
$280,956
Base pay
$159,337
Overtime
$169
Other pay
$24,759
Benefits
$96,691
Total compensation
$280,956

Minh Nguyen holds the role of Principal Application Developer at Health Services. In 2025, their total compensation was $280,956.

Reynaldo Celestino

Principal Application Developer/Health Services

2025 total comp
$279,533
Base pay
$159,337
Overtime
$0
Other pay
$19,061
Benefits
$101,135
Total compensation
$279,533

At Health Services, Reynaldo Celestino serves as a Principal Application Developer. Their 2025 pay totaled $279,533.

Xiaogang Qi

Principal Application Developer/Health Services

2025 total comp
$276,635
Base pay
$159,337
Overtime
$0
Other pay
$23,770
Benefits
$93,528
Total compensation
$276,635

At Health Services, Xiaogang Qi serves as a Principal Application Developer. Their 2025 pay totaled $276,635.

Isaac Martinez

Principal Application Developer/Health Services

2025 total comp
$270,797
Base pay
$159,337
Overtime
$800
Other pay
$18,655
Benefits
$92,005
Total compensation
$270,797

At Health Services, Isaac Martinez serves as a Principal Application Developer. Their 2025 pay totaled $270,797.

Fredrick Macwan

Principal Application Developer/Health Services

2025 total comp
$264,119
Base pay
$159,337
Overtime
$668
Other pay
$29,603
Benefits
$74,511
Total compensation
$264,119

At Health Services, Fredrick Macwan serves as a Principal Application Developer. Their 2025 pay totaled $264,119.

Samantha Fu

Principal Application Developer/Health Services

2025 total comp
$257,172
Base pay
$159,337
Overtime
$0
Other pay
$23,712
Benefits
$74,123
Total compensation
$257,172

Samantha Fu is a Principal Application Developer at Health Services. 2025 total compensation came to $257,172.

Phi Duong

Principal Application Developer/Health Services

2025 total comp
$250,836
Base pay
$154,725
Overtime
$0
Other pay
$20,316
Benefits
$75,795
Total compensation
$250,836

At Health Services, Phi Duong serves as a Principal Application Developer. Their 2025 pay totaled $250,836.

Robert Matteson

Principal Application Developer/Health Services

2025 total comp
$246,882
Base pay
$159,337
Overtime
$0
Other pay
$11,518
Benefits
$76,027
Total compensation
$246,882

At Health Services, Robert Matteson serves as a Principal Application Developer. Their 2025 pay totaled $246,882.

Melani Lee

Principal Application Developer/Health Services

2025 total comp
$245,104
Base pay
$152,769
Overtime
$0
Other pay
$19,357
Benefits
$72,978
Total compensation
$245,104

Melani Lee is a Principal Application Developer at Health Services. 2025 total compensation came to $245,104.

Kevin Chu

Principal Application Developer/Health Services

2025 total comp
$231,430
Base pay
$142,966
Overtime
$0
Other pay
$17,145
Benefits
$71,319
Total compensation
$231,430

Kevin Chu is a Principal Application Developer at Health Services. 2025 total compensation came to $231,430.

Isabelle Johnson

Principal Application Developer/Health Services

2025 total comp
$230,748
Base pay
$147,216
Overtime
$0
Other pay
$29,294
Benefits
$54,238
Total compensation
$230,748

At Health Services, Isabelle Johnson serves as a Principal Application Developer. Their 2025 pay totaled $230,748.

Joseph Gary Geronimo

Principal Application Developer/Health Services

2025 total comp
$215,878
Base pay
$134,848
Overtime
$0
Other pay
$22,813
Benefits
$58,217
Total compensation
$215,878

At Health Services, Joseph Gary Geronimo serves as a Principal Application Developer. Their 2025 pay totaled $215,878.

Paul Wu

Principal Application Developer/Health Services

2025 total comp
$215,504
Base pay
$139,367
Overtime
$773
Other pay
$16,026
Benefits
$59,338
Total compensation
$215,504

Paul Wu is a Principal Application Developer at Health Services. 2025 total compensation came to $215,504.