Senior Full Stack Software Engineer - Claims Technology

This role is a Senior Full Stack Software Engineer within Liberty Mutual's Claims Technology organization. The engineer will design, build, and support cloud-native, full-stack solutions to modernize claims technology using Java and Spring Boot, modern frontend frameworks, and AWS. The position is located in Portsmouth, NH with a hybrid work arrangement. The salary range is USD 106,000 to 197,000 per year and the role requires a Bachelor’s or Master’s degree along with at least five years of software engineering experience.

Responsibilities

• Design, develop, test, deploy, and support full stack software solutions within an Agile product team.
• Create modern web applications and backend services that support claims experiences and operational workflows.
• Develop scalable APIs, microservices, and event-driven integrations using Java and Spring Boot along with cloud-native patterns.
• Build and maintain responsive frontend applications using JavaScript or TypeScript with frameworks such as React, Angular, or Vue.
• Architect and implement AWS based solutions utilizing services like Lambda, API Gateway, S3, RDS or DynamoDB, SQS/SNS, Step Functions, CloudWatch, IAM, and ECS/EKS or other container runtimes.
• Create and maintain secure APIs and integrations aligned with enterprise standards.
• Implement secure authentication and authorization patterns leveraging enterprise identity solutions.
• Design, optimize, and troubleshoot data models and data flows across relational and cloud-native data stores.
• Lead troubleshooting and root cause analysis for production issues to improve reliability, resilience, and performance.
• Build and enhance CI/CD pipelines using GitHub Actions and related automation, testing, and quality tooling.
• Improve observability using Datadog and Splunk, including dashboards, alerting, metrics, logs, and tracing.
• Participate in discovery, estimation, technical design, story writing, and documentation.
• Contribute to engineering best practices across code quality, testing, automation, and operational readiness.
• Mentor engineers and help elevate team standards and execution.

Requirements

• Owns medium-to-large features end-to-end, including design, implementation, testing strategy, and production readiness.
• Leads troubleshooting and performance tuning for applications and databases.
• Drives API and integration work, considering Apigee patterns and identity/security considerations.
• Improves engineering practices such as CI/CD, test automation, and code quality, and mentors others.
• Ensures established standards for observability, deployment, resiliency, and developer productivity across teams.
• Partners with product, architecture, and security stakeholders; communicates trade-offs clearly.
• Mentors team members and promotes High-Performing Engineering standards.
• Strong software engineering fundamentals including clean code, testing, debugging, and design.
• Experience integrating systems via APIs and adhering to enterprise standards for security, logging, and monitoring.
• Ability to work in Agile teams using modern delivery practices such as iteration and continuous improvement.
• Effective communication and collaboration; capable of documenting and explaining technical decisions.
• Experience and openness to using AI software development tools (e.g., GitHub Actions Copilot, etc.).
• Bachelor’s or Master’s degree in a technical or business discipline, or equivalent experience.
• 5+ years of software engineering experience.
• Proven track record designing, developing, and supporting production applications.
• Demonstrated ability to work across frontend, backend, API, cloud, and operational concerns.
• Experience in enterprise environments with security, monitoring, and reliability standards.
• Experience with CI/CD pipelines, automated testing, and modern DevOps practices.
• Experience troubleshooting application and database performance issues.
• Openness to using AI-assisted software development tools.

Technologies

• AWS, Lambda, API Gateway, S3, RDS, DynamoDB, SQS, SNS, Step Functions, CloudWatch, IAM, ECS, EKS
• Java, Spring Boot
• JavaScript, TypeScript
• React, Angular, Vue
• REST APIs, Kubernetes
• GitHub Actions
• Datadog, Splunk
• SQL Server, Apigee
• GitHub Copilot, Microsoft Copilot, LibertyGPT

Benefits

• Extensive benefits package
• Flexible work arrangements
• Opportunities for professional development
• Programs and support provided through Employee Resource Groups