Senior Software Developer

Hinderliter de Llamas & Associates (HdL) is hiring a Senior Software Developer to design and build high-quality software solutions that support proprietary programs and modules. This role is remote and operates on a 40 hours/week schedule, with occasional in-office training and activities in Brea, CA. You will collaborate across development, QA/support, and product teams while contributing to secure development work, mentoring, and end-to-end ownership of assigned tasks.

What you will do

• Design and develop software solutions for HdL proprietary programs and modules within a secure development environment.
• Review internal requests for new features and enhancements, evaluate options, and recommend practical solutions.
• Partner with non-developer staff to support the operation of systems, reports, and calculations.
• Maintain source code and version control using modern Git-based practices, including pull requests and code review.
• Work independently with guidance from a lead, supervisor, or manager, owning tasks from start to finish.
• Make independent technical decisions using advanced knowledge of modern development techniques.
• Solve complex problems by analyzing multiple factors, systems, and data sets in depth.
• Create design specifications and project schedules for your own work, then deliver against them.
• Stay current with emerging technologies and bring good ideas back to the team.
• Mentor teammates through code reviews, guidance, hands-on support, and encouraging feedback.
• Collaborate with leadership, including the Software Development Manager, Software Director, and Product Owner, and occasionally C-suite executives, to translate business priorities into reliable solutions.

Requirements

• Experience with AI-assisted development tools such as Claude Code.
• Knowledge-sharing mindset with active mentoring through code reviews, guidance, hands-on support, and encouraging feedback.
• Positive, collaborative approach with the ability to receive direction and support manager goals and priorities.
• Ability to work patiently with QA, support, and product teams on multi-client software.
• Solid SQL Server skills, including query tuning, stored procedures, schema design, and Entity Framework.
• Proficiency in JavaScript, jQuery, HTML/CSS, and AJAX, including building and debugging browser-side behavior.
• Experience with web authentication and authorization using OWIN/ASP.NET Identity, role-based access, and SSO concepts.
• Experience building and consuming WCF or Web API services and third-party integrations.
• Ability to troubleshoot production issues on IIS (memory, app pools, sessions, performance).
• Experience with Git and pull-request workflows, with discipline around small, low-risk changes and code review.

Technologies you may work with

• Claude Code, SQL Server, Entity Framework
• JavaScript, jQuery, HTML/CSS, AJAX
• OWIN, ASP.NET Identity, WCF, Web API
• IIS, Git
• Angular, .NET, Azure
• App Service, Azure SQL, Front Door, Entra ID SSO
• Crystal Reports
• Azure DevOps

Compensation and schedule

• Remote position, 40 hours/week.
• Starting base pay expected between $48 to $55 per hour, based on skills, experience, and other job-related factors consistent with applicable law.

Benefits

• Competitive Base Pay
• Opportunity to participate in 401k
• Medical, Dental, Vision, Life/AD&D, LTD, and Employee Assistance Program
• Paid time off for Vacation, Sick, and Holidays
• Employee Stock Ownership Plan

Education and experience

• BS degree in Computer Science or related discipline
• Minimum 10 years developing and testing code

Additional details

• Candidate must be within commuting distance of the Brea, CA office for occasional in-office training and activities.

Nice to have

• Experience with Angular or another modern front-end framework, and with modern .NET.
• Azure experience (App Service, Azure SQL, Front Door) and Entra ID SSO.
• Experience with Crystal Reports or other reporting and data-export tools.
• Experience with Azure DevOps pipelines and build-validation policies.
• Experience with government, tax, or licensing software.