Senior Software Developer

Overview

We’re on the lookout for a Senior Software Developer to join our talented engineering team. In this role, you’ll work on cutting‑edge systems that power healthcare insurance operations and electronic data interchange (EDI) solutions. From designing seamless integrations to leveraging AI tools for smarter development, you’ll play a key role in shaping the future of healthcare technology.

• Develop and maintain systems for processing healthcare transactions like claims, eligibility verification, and remittance advice (think 835, 837, 270/271, 276/277 transactions).
• Build and enhance C#/.NET applications that support medical insurance operations and benefits administration.
• Design and implement RESTful APIs to connect with third‑party healthcare systems, clearinghouses, and partner platforms.
• Lead the technical implementation of HIPAA‑compliant EDI solutions, ensuring everything meets regulatory standards.
• Collaborate with business analysts, product owners, and healthcare teams to turn ideas into technical solutions.
• Troubleshoot and resolve complex issues related to EDI transactions, API integrations, and system performance.
• Use modern AI tools to boost productivity and code quality.
• Mentor and guide junior developers, sharing your expertise and best practices.
• Contribute to architecture decisions and help shape the technology strategy for our healthcare platform.

• Experience:
  
  7+ years of software development with C# and .NET Framework/.NET Core.
• Healthcare Expertise:
  Hands‑on experience with healthcare EDI transactions (X12 standards like 837, 835, 270/271, etc.) and a solid understanding of HIPAA regulations.
• Tech
  
  Skills:
  
  Proficiency in RESTful APIs, Microsoft tech stack (ASP.NET Core, SQL Server, Azure), and modern development tools (Git, CI/CD pipelines, containerization).
• AI Enthusiast:
  Familiarity with AI‑assisted development tools like Git Hub Copilot, Claude Code, or similar platforms.
• Problem Solver:
  Strong analytical skills and attention to detail in complex healthcare data environments.
• Team Player:
  Excellent communication skills and the ability to work with both technical and non‑technical stakeholders.

• Experience with cloud platforms (Azure preferred) and microservices architecture.
• Knowledge of healthcare interoperability standards like HL7 or FHIR.
• Familiarity with frontend frameworks (React, Angular, or Vue.js).
• Background in claims adjudication systems or medical billing operations.
• Certifications in Microsoft technologies or healthcare IT standards.

We offer a competitive and comprehensive compensation package. The base salary range represents the anticipated low end and high end of the range for this position. The actual compensation will be influenced by a wide range of factors including, but not limited to, previous experience, education, pay market/geography, complexity or scope, specialized skill set, lines of business/practice area, supply/demand, and scheduled hours.

On top of a competitive salary, great teams and exciting career opportunities, we also offer a wide range of benefits.

Below are the minimum core benefits you’ll receive, depending on your job level these benefits may improve:

• Medical/dental/vision plans, which start from day one!
• Life and accident insurance
• 401(K) and Roth options
• Tax‑advantaged accounts (HSA, FSA)
• Educational expense reimbursement
• Paid parental leave

Other benefits include:

• Digital mental health services (Talkspace)
• Flexible work hours (availability varies by office and job function)
• Training programs
• Gallagher Thrive program – elevating your health through challenges, workshops and digital fitness programs for your overall wellbeing
• Charitable matching gift program
• And more…

The benefits summary above applies to full‑time positions. If you are not applying for a full‑time position, details about benefits will be provided during the selection process.

We value inclusion and diversity. Gallagher embraces the diverse identities, experiences and talents of our employees and believes that all persons are entitled to equal employment opportunity. We prohibit any form…