Principal Software Engineer

Description

• Under limited supervision, analyze, develop and/or significantly modify software, applications, and programs from general requirements and specifications.
• Develop, code, test, debug, maintain, and enhance existing programs.
• Serve as a technical expert within the team by analyzing complex technical problems and providing solutions.
• Develop maintainable, scalable, effective, defect free source code that meets business requirements and team standards.
• Conduct unit test case development.
• Develop highly complex test scripts.
• Execute all levels of testing (system, integration, and regression).
• Identify and implement appropriate continuous improvement opportunities, including technical alternatives.
• Mentor other engineers on complex technical concepts.
• Domestic travel required up to 10%.
• Telecommuting permitted up to 60%.

Qualifications
Employer will accept a Bachelor's degree (or foreign equivalent) in Computer Science, Computer Engineering or related field and seven (7) years of experience in the job offered or in a Principal Software Engineer-related occupation.
Position requires demonstrable experience in the following:

• Java, including Spring framework.
• Demonstrated high proficiency with web application development technologies including React, Typescript, JavaScript, HTML/CSS and XML.
• Demonstrated high proficiency with database technologies including Azure SQL and MongoDB Atlas.
• Demonstrated high proficiency in building and consuming web services including Web API, SOAP, REST, and OAuth.
• Demonstrated high proficiency in software engineering languages and tools with experience in AWS, CloudFoundry and GIT.
• Diversity in software architecture principles, concepts, and design patterns, including layered systems architecture solutions, designs, and shared software concepts.
• Demonstrated ability to make recommendations for design and communicate potential impacts of design reasoning.
• Demonstrated strong understanding of IT concepts, strategies and methodologies, including significant experience in Agile software development concepts and processes including Scrum, backlog tracking, burndown metrics, and incremental delivery.
• Demonstrated high proficiency in basic principles of functional and system integration testing including unit testing using JUnit and Mockito for Java and Jest for front-end applications.
• Demonstrated understanding of release readiness and change management.
• Demonstrated proficiency in impact analysis and experience with leading production support activities.
• Demonstrated ability to work with minimal requirements to perform technical analysts and meet business expectations.
• Business function(s) and IT industry business issues around book migration and book transfer processes.
• Domestic travel required up to 10%.
• Telecommuting permitted up to 60%.

REFER TO: To apply, please visit https://jobs.libertymutualgroup.com/, select "Search Jobs," enter job requisition #2025-72150 in the "Job ID or Keywords" field, and submit resume. Alternatively, you may apply by submitting a resume via e-mail to RecruitLM@LibertyMutual.com. Reference requisition number in subject of e-mail

About Us
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.

As a purpose-driven organization, Liberty Mutual is committed to fostering an environment where employees from all backgrounds can build long and meaningful careers. Through strong relationships, comprehensive benefits, and continuous learning opportunities, we seek to create an environment where employees can succeed, both professionally and personally.

At Liberty Mutual, we believe progress happens when people feel secure. By providing protection for the unexpected and delivering it with care, we help people embrace today and confidently pursue tomorrow.

We are dedicated to fostering an inclusive environment where employees from all backgrounds can build long and meaningful careers. By actively seeking employee feedback and amplifying the voices of our seven Employee Resource Groups (ERGs), which are open to all, we create an environment where every individual can make a meaningful impact so we continue to meet the evolving needs of our customers.

We value your hard work, integrity and commitment to make things better, and we put people first by offering you benefits that support your life and well-being. To learn more about our benefit offerings please visit: https://LMI.co/Benefits

Liberty Mutual is an equal opportunity employer. We will not tolerate discrimination on the basis of race, color, national origin, sex, sexual orientation, gender identity, religion, age, disability, veteran's status, pregnancy, genetic information or on any basis prohibited by federal, state or local law.

Fair Chance Notices

• California
• Los Angeles Incorporated
• Los Angeles Unincorporated
• Philadelphia
• San Francisco

Client-provided location(s): Seattle, WA

Job ID: liberty_mutual-2025-72150-en_1

Employment Type: OTHER

Posted: 2025-09-10T20:12:52