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Principal Software Engineer

Job in Portsmouth, Rockingham County, New Hampshire, 00215, USA
Listing for: Liberty Mutual Insurance
Full Time position
Listed on 2026-08-25
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, Cloud Engineer - Software, Java Developer
Salary/Wage Range or Industry Benchmark: 140000 - 190000 USD Yearly USD 140000.00 190000.00 YEAR
Job Description & How to Apply Below

Description

Do you have the skills-and drive to join a tech team that’s 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, you’ll consult on highly complex projects and solve technical problems, while working in an agile environment that has the creative energy of a start-up—and the full backing and comprehensive benefits of a Fortune 100 company.

Join us at the center of Liberty Mutual’s digital workflow ecosystem. Our Workflow & Automation squad powers Bridgeway, our Micro Frontend platform that enables rapid, scalable React application development and onboarding of rep-facing experiences. In this role, you’ll shape mission-critical systems, lead a motivated team of engineers solving complex, high-impact problems. If you’re passionate about modern engineering, and leading teams that move fast and innovate boldly, we’d 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

We encourage you to apply and bring your expertise if you’re a:

  • Technical problem solver:
    Going far beyond simply developing error-free source code, test scripts, components and system architectures, you’ll document and build deployment guides aimed at maintaining robust, relevant software
  • Customer-centric engineer:
    Putting clients’ needs first, you’ll 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 isn’t enough – using your proactive mindset and initiative, you’ll also identify opportunities to enhance performance, quality and efficiency
What You’ll Do
  • Design, build, and integrate full-stack 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 end-to-end data quality, proactively identifying risks, resolving root causes, and preventing data-induced 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.
Qualifications
  • 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 Skills
  • 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…
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