Principal Software Engineer

Description

Do you have the skillsand driveto join a tech team thats working to digitally transform a trillion-dollar industry? From test-driving the latest technologies to creating intuitive consumer apps, Liberty Mutual is constantly innovating and creating industry-leading solutions that provide peace of mind for our customers worldwide. As a principal software engineer at Liberty Mutual, youll consult on highly complex projects and solve technical problems, while working in an agile environment that has the creative energy of a start-upand the full backing and comprehensive benefits of a Fortune 100 company.

Join us at the center of Liberty Mutuals digital workflow ecosystem. Our Workflow & Automation squad powers Bridgeway, our Micro Frontend platform that enables rapid, scalable React application development and onboarding of repfacing experiences. In this role, youll shape mission critical systems, lead a motivated team of engineers solving complex, high impact problems. If youre passionate about modern engineering, and leading teams that move fast and innovate boldly, wed love to talk.

This is a hybrid role requiring two days in the office a week in one of our five tech hubs:
Columbus, Plano, Indianapolis, Boston and Portsmouth. U.S. based role only.

Company :
Liberty Mutual Insurance
Location :
Boston, Massachusetts
Posted On : 8/22/2026

• Design, build, and integrate fullstack solutions using JavaScript/Type Script, React, Node.js, Next.js, and/or Java.
• Build and execute AI driven workflows.
• Drive our Micro Frontend (MFE) strategy, rapidly onboarding React apps into the Bridgeway MFE platform.
• Develop a deep understanding of upstream and downstream systems to maintain endtoend data quality, proactively identifying risks, resolving root causes, and preventing datainduced defects.
• Break down ambiguous technical problems, identify root causes across complex systems, and deliver incremental improvements with clear milestones.
• Collaborate with cross functional partners across product, design, platform, security, and data to ensure system accuracy, streamline interactions, and drive continuous improvements to reliability, performance, and customer experience.
• Establish and champion engineering best practices, mentor engineers, driving measurable improvements across SCORP engineering excellence pillars.

• Eight or more years of software engineering experience
• A strong background in business operations and strategies, including knowledge of global business, technology trends and the financial services industry
• Hands-on involvement with layered systems architectures, designs and shared software concepts;
  Working knowledge of contemporary frameworks and emerging technologies
• Familiarity with functional and system integration testing, a history of practicing Dev Ops and Sec Ops
• Experience working in an agile environment
• Technical problem solver:
  Going far beyond simply developing error-free source code, test scripts, components and system architectures, youll document and build deployment guides aimed at maintaining robust, relevant software
• Customer-centric engineer:
  Putting clients needs first, youll translate customer requirements into technical applications and support the implementation of new software
• Motivated mentor:
  Exercise your technical chops while coaching and collaborating with junior software engineers.
• Forward thinker:
  Merely fixing a problem isnt enough using your proactive mindset and initiative, youll also identify opportunities to enhance performance, quality and efficiency

• Strong enterprise architecture and technical leadership skills, with the ability to make architectural decisions that promote scalability, resilience, maintainability, and long-term evolution.
• Strong experience in distributed systems, event-driven architectures, API design, microservices, integration patterns, and distributed computing for high-throughput applications.
• Proficiency in cloud-hosted and modern web application development using Node.js, React, Type Script, HTML/CSS, Micro Frontends, and contemporary JavaScript frameworks; working knowledge of Java.
• Experience building and optimizing cloud-native platforms using modern cloud services (preferably AWS), CDK, Dev Ops practices, Git Hub Actions or equivalent CI/CD platforms, and infrastructure automation.
• Strong database and data engineering skills, including relational database design, data modeling, large-scale data ingestion, cloud-scale data management, governance, performance tuning, and scalability.
• Deep understanding of application and platform security, including authentication, authorization (OAuth 2.0, OpenID Connect), secure coding practices, and OWASP Top 10 principles.
• Expertise in engineering quality practices, including design thinking, test-driven development, automated testing with Playwright, performance testing with JMeter (or equivalent), and rigorous code review processes.
• Experience implementing observability and…