Principal Fullstack Engineer (AI) - Boston

2 months ago

Cambridge, MA, USA +9 moreStaff+

Responsibilities

Design, build, and maintain scalable full-stack applications using Node.js, React, and TypeScript.
Architect and develop backend services, APIs, and data models.
Build modern, production-grade web interfaces with React.
Own features from technical design and implementation through deployment and production support.
Optimize frontend rendering, API latency, and database query performance.
Collaborate with product, design, and AI/ML teams on user-facing features.
Establish practices for testing, code quality, observability, and CI/CD.
Improve system architecture, scalability, and developer experience.
Debug and resolve production issues across frontend and backend systems.

At least 5 years of experience as a Full Stack Engineer.
Strong production proficiency with Node.js, React, and TypeScript.
Experience with Express, NestJS, or similar Node.js frameworks.
Experience designing APIs and working with PostgreSQL, MongoDB, or similar databases.
Understanding of modern web architecture and distributed systems fundamentals.
Experience building scalable, secure, and high-performance applications.
Familiarity with AWS, GCP, or Azure cloud environments.
Ability to independently own features and ship them to production.
Strong collaboration skills across product, design, backend, and ML teams.
Bonus experience with data-heavy dashboards, real-time web applications, Redux, Zustand, React Query, event-driven architectures, message queues, AI-driven or ML-powered products, or startup environments.
English language proficiency is required.

11-50 employees

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