CareerPlan

Principal Full Stack Engineer

Boston, Massachusetts, United StatesFull-time2026-04-15 → 2026-11-10

Core

Design, build, and maintain scalable full-stack applications using Java, React, and cloud services for complex enterprise systems.

Role type

Principal Full Stack Engineer

Builds

Production-ready web applications and APIs

Domain

Enterprise Software Development

Deliverable

production ML models | product features

Required skills

Java (8/11/17), Spring Boot, React, NodeJS, TypeScript, RESTful API design, Relational Databases (Oracle, PostgreSQL, MySQL), AWS (Lex, Lambda, Connect), Docker, Git, CI/CD, Object-Oriented Design, Multithreading, Concurrency, Performance Tuning, Hibernate/JPA, Observability (DataDog)

Preferred skills

Design thinking, Test-Driven Development, Shift-left mindset, Agile methodologies (Scrum, Kanban), Mentoring, Cross-functional collaboration

Technologies

Java, Spring Boot, React, MobX, Semantic UI, MySQL, Oracle, Git, Docker, AWS (Lex, Lambda, Connect), NodeJS, TypeScript, DataDog, Hibernate, JPA, GitHub Actions

Responsibilities

Design layered systems architectures, develop and consume RESTful APIs, mentor team members on technical capabilities, debug and resolve complex production issues, drive technology decisions with cross-functional teams

Seniority

Principal, hands-on IC with strategic influence