Senior .Net Developer

Company: Fulgent Therapeutics
Location: El Monte
Posted on: April 3, 2026

Job Description:

Description About Us Founded in 2011, Fulgent has evolved into a premier, full-service genomic testing company built around a foundational technology platform. Through our diverse testing menu, Fulgent is focused on transforming patient care in oncology, anatomic pathology, infectious and rare diseases, and reproductive health. We believe that by providing a wide range of effective, flexible testing options in conjunction with best-in-class service and support, we can redefine the way medicine is managed for patients and clinicians alike. Since integrating with our therapeutic development business, Fulgent is also developing drug candidates for treating a broad range of cancers using a novel nanoencapsulation and targeted therapy platform. By merging our fields of expertise, we aim to become a fully integrated precision medicine company. Summary of Position As a Senior .NET Developer here at Fulgent Genetics, you will join our dynamic development team. This role is responsible for designing, developing, and maintaining complex web applications using Microsoft .NET and related technologies. The ideal candidate will demonstrate strong problem-solving abilities, mentor junior developers, provide technical leadership to the development team, drive key technical decisions, and play a key role in delivering high-quality software solutions that align with business objectives. Key Job Elements Design, develop, test, and deploy secure, scalable web applications using ASP.NET Core, C#, and related technologies. Provide technical leadership to the development team, drive key technical decisions Collaborate with cross-functional teams including business analysts, and QA engineers to deliver robust solutions. Participate in requirements gathering, architecture discussions, and system design. Write clean, maintainable, and efficient code following best practices and coding standards. Troubleshoot, debug, and optimize application performance. Conduct code reviews and provide technical guidance and mentorship to junior and mid-level developers. Integrate web applications with databases using Entity Framework, LINQ, and SQL Server. Implement and maintain RESTful APIs and third-party service integrations. Ensure application security, scalability, and compliance with company standards. Stay up to date with emerging trends and technologies within the .NET ecosystem. Qualifications Knowledge/Experience Bachelor’s degree in Computer Science, Software Engineering, or related field, or equivalent practical experience. 5 years of professional experience developing web applications using .NET technologies (ASP.NET MVC/Core, C#). Strong experience with front-end technologies such as HTML5, CSS3, JavaScript, and modern frameworks (e.g., React, Angular, or Vue.js) is a plus. Proficiency with relational databases (SQL Server) and ORM frameworks like Entity Framework. Solid understanding of software development lifecycle (SDLC) and agile methodologies. Experience with source control systems such as Git. Familiarity with CI/CD pipelines and cloud platforms (e.g., Azure) is desirable. Excellent problem-solving skills and attention to detail. Strong verbal and written communication skills with the ability to work effectively in a team environment. Environment Fulgent Therapeutics LLC is an Equal Employment Opportunity Employer. The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential functions. The term “qualified individual with a disability” means an individual with a disability who, with or without reasonable accommodation, can perform the essential functions of the position. For California residents, please see the link below to access our CCPA Privacy Notice. CCPA Privacy Notice for California Residents https://tinyurl.com/FulgentCCPA Please note that Fulgent (and its affiliated companies, including Inform Diagnostics and CSI Laboratories) does not accept unsolicited information and/or resumes from search firms or agencies for our job postings. Search firms or agencies without an applicable contract and/or express approval to recruit for the role in question — that choose to submit a resume or client information to our career page or to any employee of Fulgent — will not be eligible for payment of any fee(s), and any associated shared data will become the property of Fulgent.

Keywords: Fulgent Therapeutics, Chino Hills , Senior .Net Developer, IT / Software / Systems , El Monte, California