Senior Software Engineer (.NET)

Title: Senior Software Engineer (.NET)
Location: Downey, CA, 90242
Mode: Hybrid 
Duration: 12 Months

Skills Required 

• The Sr. Software Engineer works directly under the direction of an IT Manager, IT supervisor, and / or user agency personnel and is responsible for leading the enhancement, support and ongoing development of multiple applications used by the County to support up to hundreds of users.
• The Sr. Software Engineer will lead application support for multiple applications, project management for stakeholders and managers, and work cohesively within multiple teams.
• The Sr. Software Engineer will have deep technical expertise in application development areas such as object-oriented programing, client-side scripting, and database development.
• The Sr. Software Engineer will be able to project manage multiple development projects using Agile methodology. Development – Proficient in languages and frameworks like, but not limited to ( C#, ASP.NET Core, and .NET 8+, Entity Framework, Java, Spring Boot, Hibernate, Ruby, Ruby-On-Rails, Ruby Gems, Rails Api, web sockets); Proficient in client-side scripting JavaScript, jQuery, Angular, or React; Hands-on experience with database development; Strong knowledge of RESTful API design, development, and integration; and experience building and maintaining secure, scalable web applications.
• Agile Project Management – Hands-on experience with project management electronic boards (Azure Dev-ops or Jira); Experience navigating and mediating between conflicting priorities; Ability to write user stories and working with; and Reporting skills on industry standard metrics and key performance indicators such as cycle time, lead time, burn down, etc.
• Database & ORM – Experience with designing, querying, and optimizing relational databases and ability to design and manage complex relational database schemas.
• Application Migration- Ability to analyze existing codebases, map data models, and execute phased migration strategies and experience ensuring feature parity and data integrity throughout migration projects.
• Containerization & DevOps – Experience with containerization technologies (Open-Shift, Docker, Kubernetes, or similar); Familiarity with CI/CD pipeline setup and management; and Source control proficiency with Git, including branching strategies and code reviews.
• General – ability to work independently and with a team; able to drive tasks from conception to completion; Excellent problem-solving skills and attention to detail; Strong verbal and written communication skills for both technical and non-technical audiences; and Commitment to continuous learning and staying current with evolving development technologies.           

Experience Required     

• This classification requires at least 5 years of experience within the last 7 years in application development in object-oriented development (i.e. .NET, Java, Ruby-on-Rails), Client-Side Scripting frameworks (JavaScript, React, jQuery), Mobile Development (.NET Maui, React Native), Apple Development (Swift), Relational Databases (SQL Server, MySQL, Oracle DB). At least 1 year of professional experience with Git version control, proficient and worked within defined branching strategies.
• At least 2 years developing, enhancing, and supporting business intelligence reports (Power BI, Crystal Reports, or Cognos).
• At least 3+ years within the last 7 years delivering project features within agile sprints, demonstrating project work to stakeholders, facilitating Agile project management ceremonies such as standups, backlog grooming, and sprint retrospectives.
• At least 1 year of providing on-site technical support for custom-off-the-shelf systems (COTS).           

Education Required       

• This classification requires possession of a bachelor’s degree in computer science or information technology related degree.
• Additional qualifying experience may be substituted for the required education on a year-for-year basis.  

Additional Information

• Candidates must have a valid California Class C Driver License with no restrictions.
• Travel may be required to provide technical support and conduct on-site requirements gathering with end users.