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Principal Full Stack Engineer
Job in
Boston, Suffolk County, Massachusetts, 02298, USA
Listed on 2026-05-31
Listing for:
Liberty Mutual Insurance
Full Time
position Listed on 2026-05-31
Job specializations:
-
Software Development
Full Stack Developer, Software Engineer
Job Description & How to Apply Below
Qualifications
- Bachelor's Degree in a 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 Type Script/JavaScript.
- Experience with application observability tools, e.g., Data Dog.
- 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, Postgre
SQL, MySQL) and ORM frameworks such as Hibernate/JPA. - Familiarity with CI/CD pipelines, automated testing, and version control (Git) and Git Hub 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.
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