What are the responsibilities and job description for the Principal Software Engineer position at Liberty Mutual Insurance Group?
Lead end-to-end design and delivery of features for eCLIQ 2.0, working from user stories and architectural specs through coding, testing and deployment. Architect and implement modern front-end experiences (Angular/TypeScript) and robust backend services (Java, Spring Boot, REST). Drive cloud-native designs and integrations across our preferred cloud platforms. Build and maintain automated test suites (unit, integration, system, regression) and champion testability. Improve speed-to-market by identifying and delivering pragmatic short-term solutions while building scalable, long-term architecture. Own and optimize CI/CD pipelines, development tooling and release practices. Apply AI/ML tools and practices where they add business value; be comfortable experimenting and iterating with new techniques. Mentor and grow junior engineers, foster healthy engineering practices, and collaborate closely with Product Owners, Scrum Masters and QA. Proactively identify technical debt and propose solutions to reduce risk and increase Bachelor's or master's degree in a technical or business discipline, or equivalent experience. 5-7 years of professional software development experience (flexible for exceptional candidates). Strong expertise in front-end frameworks (Angular preferred; knowledge of React or Vue a plus) and TypeScript. Solid experience building backend services in Java (Spring Boot) and designing RESTful APIs. Practical cloud experience (AWS) and familiarity with cloud architecture patterns. Proven experience with automated testing strategies and CI/CD tooling. Comfortable with Agile practices (Scrum, Kanban) and collaborating on cross-functional teams. Excellent communicator, proactive problem-solver, and a collaborative leader who mentors others. Eagerness to learn and adopt innovative technologies and practices, including AI-assisted development.