Senior Software Developer – AI-Driven Healthcare EDI

Arthur J. Gallagher & Co. (AJG); San Diego (CA); On-site; USD 130,000 - 180,000; Full time

Benefits offered by this job

Competitive compensation

Comprehensive benefits

Career development opportunities

Collaborative, people-first culture

Global reach with local impact

Job summary

Gallagher is seeking an experienced Senior Software Developer to join our engineering team in San Diego, focusing on Healthcare Insurance and EDI solutions. You will develop C#/.NET applications, implement RESTful integrations, and lead HIPAA-compliant EDI initiatives in a modern AI‑assisted environment.

You will collaborate with analysts, product owners, and operations teams, drive SDLC activities, and mentor junior developers while leveraging Azure services and cloud-native architectures.

Qualifications

• 7+ years of software development experience with C# and .NET Framework/.NET Core.
• Experience with AI-assisted development tools such as Claude Code, GitHub Copilot, Cursor, or similar platforms.
• Strong experience designing and implementing RESTful APIs and third‑party system integrations.
• Proficiency with modern development tools and practices including Git, CI/CD pipelines, containerization, and cloud‑native architectures.

Responsibilities

• Design, develop, and maintain EDI transaction processing systems for healthcare claims, eligibility verification, and remittance advice (835, 837, 270/271, 276/277 transactions).
• Build and enhance C#/.NET applications supporting medical insurance carrier operations and benefits administration.
• Design and implement RESTful API integrations with third‑party healthcare systems, clearinghouses, pharmacy benefit managers, and partner platforms.
• Lead technical implementation of HIPAA‑compliant EDI solutions and ensure regulatory adherence.
• Collaborate with business analysts, product owners, and healthcare operations teams to translate requirements into technical solutions.
• Manage stakeholder relationships across IT, claims operations, provider networks, compliance, client services, and external integration partners.
• Participate in full SDLC activities including requirements gathering, design, development, testing, deployment, and maintenance.
• Leverage modern AI development tools to enhance productivity and code quality.
• Provide technical leadership and mentorship to development team members.
• Troubleshoot and resolve complex EDI transaction issues, API integration challenges, and system connectivity problems.
• Optimize system performance and implement best practices for scalability and reliability.
• Contribute to architecture decisions and technology strategy for our healthcare platform.

Skills

C#

.NET

REST APIs

AI-assisted development

CI/CD

Git

Docker

Azure

EDI/X12

HIPAA

Tools

Azure DevOps

Visual Studio

Docker

OpenAPI/Swagger

GitHub Copilot

Job description

Gallagher is seeking an experienced Senior Software Developer to join our engineering team in San Diego, focusing on Healthcare Insurance and EDI solutions. You will develop C#/.NET applications, implement RESTful integrations, and lead HIPAA-compliant EDI initiatives in a modern AI‑assisted environment.

You will collaborate with analysts, product owners, and operations teams, drive SDLC activities, and mentor junior developers while leveraging Azure services and cloud-native architectures.