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Senior Full Stack Software Engineer - Claims Technology

Liberty Mutual Insurance Group
Portsmouth, NH Full Time
POSTED ON 8/23/2026
AVAILABLE BEFORE 9/22/2026
You are a strong, hands-on engineer who combines technical depth with curiosity, ownership, and a bias for action. You enjoy building robust, scalable applications and services, and you are comfortable working across frontend, backend, cloud infrastructure, and integrations. You bring: Strong full stack engineering skills across modern frontend frameworks and backend services Experience designing and building cloud-native applications in AWS A problem-solving mindset and the ability to navigate ambiguity A focus on reliability, security, performance, and maintainability Strong collaboration and communication skills in Agile, cross-functional teams A passion for continuous improvement, mentoring others, and delivering business value Owns medium-to-large features end-to-end, including design, implementation, testing strategy, and production readiness. Leads troubleshooting and performance tuning (application and database). Drives API/integration work (Apigee patterns, identity/security considerations). Improves engineering practices (CI/CD, test automation, code quality) and mentors others. Ensures established standards for observability, deployment, resiliency, and developer productivity across teams. Partners with product, architecture, and security stakeholders; makes and communicates trade-offs clearly. Mentors team members and ensures High-Performing Engineering standards are chosen and monitored with the team Strong software engineering fundamentals: clean code, testing, debugging, and design. Experience integrating systems via APIs and working with enterprise standards (security, logging, monitoring). Ability to work in Agile teams using modern delivery practices (iteration, experimentation, continuous improvement). Effective communication and collaboration; able to document and explain technical decisions. Experience and openness to utilizing AI Software Development Tools (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 Strong experience designing, developing, and supporting production applications Demonstrated ability to work across frontend, backend, API, cloud, and operational concerns Experience working 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 Experience or openness to using AI-assisted software development tools As a Senior Software Engineer, you will own medium-to-large features and services end-to-end, helping modernize and evolve our claims technology ecosystem. Design, develop, test, deploy, and support full stack software solutions in an Agile product team Build modern web applications and backend services that support claims experiences and operational workflows Develop scalable APIs, microservices, and event-driven integrations using Java / Spring Boot and cloud-native patterns Build and maintain responsive frontend applications using JavaScript/TypeScript and modern frameworks such as React, Angular, or Vue Design and implement AWS-based solutions using services such as: CloudWatch IAM ECS / EKS or other container-based runtime platforms 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 application data flows across relational and cloud-native data stores Lead troubleshooting and root cause analysis for production issues; improve system reliability, resilience, and performance Build and enhance CI/CD pipelines using GitHub Actions and related automation, testing, and quality tooling Improve observability using tools such as 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

Salary.com Estimation for Senior Full Stack Software Engineer - Claims Technology in Portsmouth, NH
$130,330 to $157,020
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