Principal FS Engineer (AI)
PRAGMATIKECambridge, Massachusetts, United States
Posted March 4, 2026
Full Time
About the Company
Pragmatike is hiring on behalf of a fast-growing AI startup recognized as a Top 10 GenAI company by GTM Capital, founded by MIT CSAIL researchers.
Job Description
We are searching for a Senior Full Stack Engineer with strong hands-on experience building scalable, high-performance web applications powering complex, data-intensive AI products used by Fortune 500 customers.
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)
