Senior Full Stack Engineer

XO Health believes healthcare is fixable. Become part of the community changing the face of the industry.

XO Health is the first health plan designed by and for self-insured employers that delivers a more unified health experience for everyone – from those who receive care, to those who deliver it, to those who pay for it.

We are growing a multi-disciplinary team of diverse and digitally empowered employees ready to rebuild trust in healthcare through comprehensive and unified transformation.

About the Role

XO Health is seeking a Senior Software Engineer for building applications that enable a Provider’s experience. This position will be responsible for the full stack design, development, testing, documentation, and analysis of features utilizing .Net , Angular , GraphQL , implementing a serverless architecture in AWS . The ideal candidate will be instrumental in designing and implementing solutions that are scalable, performance-optimized and maintainable.

Responsibilities:

• Design, develop, and maintain scalable full-stack applications for a healthcare insurance platform
• Engage with cross-functional teams to define and implement new features that meet the complex demands of the healthcare sector
• Ensure application security and compliance with HIPAA and other regulations, focusing on performance and scalability
• Implement serverless architectures on cloud platforms ( Azure , AWS ) to optimize backend functionality
• Utilize modern front-end frameworks ( React , Angular , Vue ) to create responsive user interfaces
• Integrate and customize rules engines for automated decision-making and efficiency
• Employ microservices architecture to enhance application scalability, resilience, and deployment efficiency
• Utilize GraphQL for efficient and flexible data retrieval, improving the application's data interaction layer
• Mentor junior developers, fostering a culture of technical excellence, innovation, and ongoing learning
• Stay updated on technology trends, regulatory changes, and best practices in healthcare to ensure our solutions are at the forefront

We’re Looking for Candidates Who Have:

• Bachelor's degree in computer science, engineering, or a related field
• Minimum of 8 years in full-stack software development, with a strong portfolio in both frontend ( JavaScript , React , Angular , Vue ) and backend ( C# , .NET , JAVA ) technologies
• Proficiency in implementing solutions in cloud ( AWS , Azure ), including serverless environments
• Strong understanding of software architecture principles, design patterns, and best practices
• Demonstrated ability to translate complex business requirements into a well-executed technical roadmap
• Demonstrated experience with microservices architecture, designing, deploying, and managing independently scalable service components
• Experience with GraphQL for building APIs and efficient data retrieval
• Strong background in SQL or NoSQL , database design, and complex data architectures
• Proficient in AWS OpenSearch for building scalable search and analytics solutions, including indexing, querying, and optimizing search performance in distributed systems
• Skilled in AI-first development practices utilizing Claude Cursor or Codex for intelligent code generation, accelerated development workflows, and enhanced productivity
• Familiarity with Agile methodologies and a comprehensive understanding of DevOps practices
• Exceptional problem-solving capabilities, adaptability, and leadership skills
• Experience in the healthcare sector, especially with claims processing is a plus
• Solid understanding of HIPAA and healthcare regulatory standards is a plus
• Bonus: Experienced in iOS and Android app development, building cross-platform mobile applications with native performance and seamless user experiences