Pragmatike

Principal FS Engineer, AI

Pragmatike

full-time

Posted on:

Location Type: Hybrid

Location: Cambridge • Massachusetts • United States

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Job Level

Lead

Tech Stack

AWSAzureCloudDistributed SystemsGoogle Cloud PlatformJavaScriptMongoDBNode.jsPostgresReactTypeScript

About the role

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

Requirements

  • 5+ years of experience as a Full Stack Engineer.
  • Strong proficiency in Node.js (Express, NestJS, or similar frameworks).
  • Strong proficiency in React and TypeScript in production environments.
  • Experience designing RESTful APIs and working with databases (PostgreSQL, MongoDB, or similar).
  • Solid understanding of modern web architecture and distributed systems fundamentals.
  • Experience building scalable, secure, and high-performance applications.
  • Familiarity with cloud environments (AWS, GCP, or Azure).
  • Comfortable owning features and shipping to production independently.
  • Strong collaboration skills across product, design, and backend/ML teams.
Benefits
  • Competitive salary & equity options
  • Sign-on bonus
  • Health, Dental, and Vision
  • 401(k)
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Node.jsReactTypeScriptRESTful APIsPostgreSQLMongoDBCI/CDscalable applicationsbackend servicesdata models
Soft Skills
collaborationownershipproblem-solvingcommunicationtechnical designimplementationproduction supportdebuggingperformance optimizationbest practices