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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Application Developer - **Company:** The County Of Los Angeles - **Location:** Los Angeles, CA, United States - **Experience:** Expert - **Salary:** $118,233.0 - **Contract:** Permanent contract - **Skills:** ASP.NET, JavaScript (Programming Language), Agile Methodology, Software Applications, Microsoft Azure, Bootstrap (Software), C Sharp (Programming Language), Cloud Engineering, Information Systems, Databases, Information Engineering, Software Debugging, DevOps, Distributed Systems, Github, Information Systems Security Architecture Professional, JQuery, Microsoft SQL Server, Model View Controller (MVC), Oracle (Applications), Scrum Methodology, Cloud Services, Software Engineering, Systems Integration, Web Application Frameworks, Enterprise Software Applications, Modern Ui, .NET Core, ReactJS, Electronic Medical Records, Build Management, AngularJS, Information Technology, Low Latency, Email Notifications, Restful APIs, Web Api - **Published:** September 15, 2026 - **Apply:** https://careersingovernment.com/job/830885/principal-application-developer-emergency-appointment-homelessness/ ## About the Role 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. LICENSE: 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., * 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. ## Description 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., * 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., *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 c entralized 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 u nder direction, performs a wide range of application development related duties including analysis, design, evaluation, development, coding, testing and maintenance of complex application systems. ## Related Videos - [Navigating the Future of Junior Developers in Tech](https://www.wearedevelopers.com/videos/1280-navigating-the-future-of-junior-developers-in-tech) - [WeAreDevelopers LIVE - the weekly developer show with Chris Heilmann and Daniel Cranney](https://www.wearedevelopers.com/videos/1309-wearedevelopers-live-the-weekly-developer-show-with-chris-heilmann-and-daniel-cranney) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Meta Harnesses: What the JS Framework Wars Teach Us About What Is Next for AI Agents](https://www.wearedevelopers.com/videos/100353-meta-harnesses-what-the-js-framework-wars-teach-us-about-what-is-next-for-ai-agents) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)