Principal Full Stack Engineer

• Bachelor’s Degree in technical discipline, preferably computer science or software development or equivalent experience.
• Minimum 8 + years of Full Stack Development experience primarily using the following technologies in addition to Java: React, MobX, Semantic UI, MySQL, Oracle, Git, and Docker.
• Experience with AWS services for IVR, e.g., Lex and Lambda, plus Amazon Connect.
• Experience with API development using NodeJS and TypeScript/JavaScript
• Experience with application observability tools, e.g., DataDog.
• Extensive professional experience developing applications using Java (Java 8+ / 11 / 17).
• Strong proficiency in object-oriented design, data structures, and design patterns.
• Hands-on experience with Spring / Spring Boot, including RESTful services and dependency injection.
• Experience building and consuming APIs (REST, JSON, OpenAPI).
• Solid understanding of multithreaded programming, concurrency, and performance tuning.
• Experience with relational databases (Oracle, PostgreSQL, MySQL) and ORM frameworks such as Hibernate/JPA.
• Familiarity with CI/CD pipelines, automated testing, and version control (Git) and GitHub Actions.
• Strong troubleshooting skills with the ability to debug and resolve complex issues in production systems.
• A design thinking, test-driven development, and shift-left mindset.
• Ability to mentor others and raise a team’s technical capabilities.
• Hands-on involvement with layered systems architectures, designs and shared software concepts.
• Experience working in an agile environment.
• Excellent negotiation, facilitation and consensus-building capabilities.
• Strong leadership, coaching and mentoring skills.
• Proven ability to speak to varying levels of the organization and successfully collaborate across the organization.
• Ability to work collaboratively with Agile methodologies (Scrum, Kanban) and cross-functional teams (Product Owners, Software Engineers, Test Engineers) to drive technology decisions and support engineering excellence.
• Openness and adaptability to respond to fast-moving circumstances.
• Excellent oral and written communication skills.Aptitude for working in teams.

Pay Philosophy: The typical starting salary range for this role is determined by a number of factors including skills, experience, education, certifications and location. The full salary range for this role reflects the competitive labor market value for all employees in these positions across the national market and provides an opportunity to progress as employees grow and develop within the role. Some roles at Liberty Mutual have a corresponding compensation plan which may include commission and/or bonus earnings at rates that vary based on multiple factors set forth in the compensation plan for the role. At Liberty Mutual, our goal is to create a workplace where everyone feels valued, supported, and can thrive. We build an environment that welcomes a wide range of perspectives and experiences, with inclusion embedded in every aspect of our culture and reflected in everyday interactions. This comes to life through comprehensive benefits, workplace flexibility, professional development opportunities, and a host of opportunities provided through our Employee Resource Groups. Each employee plays a role in creating our inclusive culture, which supports every individual to do their best work. Together, we cultivate a community where everyone can make a meaningful impact for our business, our customers, and the communities we serve.