Lead Full-Stack Engineer (Node/React) — AI Startup

Pragmatike; Pennsylvania; On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Health, Dental, Vision

401(k)

Sign-on bonus

Equity options

Job summary

Pragmatike is hiring a Senior Full Stack Engineer to design, build and maintain scalable applications using Node.js, React, and TypeScript. You will architect robust backend services, APIs, and data models while delivering production-grade web interfaces with React.

Join a fast-growing AI startup backed by MIT CSAIL researchers, collaborating with product, design, and ML teams to ship user-facing features and drive performance, testing, and CI/CD best practices.

Qualifications

• 5+ years of experience as a Full Stack Engineer.
• Strong proficiency in Node.js (Express, NestJS, or similar).
• Strong proficiency in React and TypeScript in production environments.
• Experience designing RESTful APIs and working with PostgreSQL or MongoDB.
• 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).

Responsibilities

• 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.

Skills

Node.js

React

TypeScript

RESTful APIs

PostgreSQL

MongoDB

Cloud platforms

Distributed systems

CI/CD

Job description

Pragmatike is hiring a Senior Full Stack Engineer to design, build and maintain scalable applications using Node.js, React, and TypeScript. You will architect robust backend services, APIs, and data models while delivering production-grade web interfaces with React.

Join a fast-growing AI startup backed by MIT CSAIL researchers, collaborating with product, design, and ML teams to ship user-facing features and drive performance, testing, and CI/CD best practices.