Principal Software Engineer

Liberty Mutual Insurance • Portsmouth, NH

18h • Remote

About The Position

Collaborate with geographically dispersed teams to drive full cycle end-to-end development to deliver complex software solutions.
Work in an Agile environment with business stakeholders, Product Owner, Solutions Engineer, and other software engineers to review and refine stories and execute on them using excellent engineering practices.
Perform hands-on development and problem resolution, write clean, maintainable code, and perform peer code-reviews.
Embrace and model engineering excellence and best practices.
Contribute to the development and growth of the team.
Be curious and innovative using new tools and techniques.
Provide periodic off-hours production deployments and support.
Work on messaging applications and API software development, design, and prototyping.
Optimize performance for the applications.
Telecommuting permitted up to 100%.
Qualifications
Employer will accept a Master’s degree (or foreign equivalent) in Bioinformatics, Biotechnology or related field and 5 years of experience in the job offered or in a Principal Software Engineer-related occupation.
Alternatively, employer will accept a Bachelor’s degree (or foreign equivalent) in Bioinformatics, Biotechnology or related field and 7 years of experience in the job offered or in a Principal Software Engineer-related occupation.
Position requires demonstrable experience in the following:
AWS services, including CDK, Lambda, DynamoDB, API Gateway, Step Functions, SQS, EventBridge,
VPC and S3
NodeJS.
Typescript.
REST APIs.
GraphQL.
Production support including troubleshooting production issues.
Performance improvement of API's.
Technical documentation including API specification and architectural diagrams.
Demonstrated ability to design effective unit test cases or performance tests that cover all functional and non-functional requirements.
Telecommuting permitted up to 100%.
REFER TO: To apply, please visit https://jobs.libertymutualgroup.com/, select “Search Jobs,” enter job requisition #2026-74538 in the “Job ID or Keywords” field, and submit resume. Alternatively, you may apply by submitting a resume via e-mail to [email protected]. Reference requisition number in subject of e-mail.

Requirements

• Master’s degree (or foreign equivalent) in Bioinformatics, Biotechnology or related field and 5 years of experience in the job offered or in a Principal Software Engineer-related occupation.
• Alternatively, employer will accept a Bachelor’s degree (or foreign equivalent) in Bioinformatics, Biotechnology or related field and 7 years of experience in the job offered or in a Principal Software Engineer-related occupation.
• AWS services, including CDK, Lambda, DynamoDB, API Gateway, Step Functions, SQS, EventBridge, VPC and S3
• NodeJS.
• Typescript.
• REST APIs.
• GraphQL.
• Production support including troubleshooting production issues.
• Performance improvement of API's.
• Technical documentation including API specification and architectural diagrams.
• Demonstrated ability to design effective unit test cases or performance tests that cover all functional and non-functional requirements.

Responsibilities

• Collaborate with geographically dispersed teams to drive full cycle end-to-end development to deliver complex software solutions.
• Work in an Agile environment with business stakeholders, Product Owner, Solutions Engineer, and other software engineers to review and refine stories and execute on them using excellent engineering practices.
• Perform hands-on development and problem resolution, write clean, maintainable code, and perform peer code-reviews.
• Embrace and model engineering excellence and best practices.
• Contribute to the development and growth of the team.
• Be curious and innovative using new tools and techniques.
• Provide periodic off-hours production deployments and support.
• Work on messaging applications and API software development, design, and prototyping.
• Optimize performance for the applications.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level