Senior Full-Stack Engineer, AI Platform with Equity

Crew Capital; New York (NY); On-site; USD 150,000 - 230,000; Full time

Benefits offered by this job

Health coverage

Equity stake

Bonus eligibility

Paid holidays

Job summary

Qualitate, an AI-native primary intelligence platform, is hiring a full-stack staff software engineer in New York City. You will own backend and frontend infrastructure, build APIs and data feeds, and collaborate with the founding team on technical strategy.

The role requires 5+ years of software development, strong Node/TypeScript and Express.js experience, SQL optimization, and frontend React proficiency. Hybrid onsite schedule in NYC with flexible remote days and meaningful equity.

Qualifications

• 5+ years of experience building software in startup or high-growth environments.
• Ownership mindset with ability to define architecture and roadmaps.
• Strong backend and frontend capabilities across full stack.
• Proficiency with Node/TypeScript, Express.js, React, and SQL optimization.
• Experience with AI models, LLMs, and AI-powered tooling is a plus.

Responsibilities

• Own end-to-end backend and frontend infrastructure, APIs, and data feeds.
• Build interactive UI components and data visualizations in TypeScript/React.
• Collaborate with founders to shape technical strategy and product roadmap.
• Set coding, testing, and deployment standards for reliability and scale.
• Troubleshoot production issues and improve system performance.

Skills

Full-stack development

Backend development (Node/TypeScript)

Express.js

SQL optimization

React

AI/LLMs

Ownership & communication

Tools

TypeScript

Node.js

Express.js

WebSockets

Job description

Qualitate, an AI-native primary intelligence platform, is hiring a full-stack staff software engineer in New York City. You will own backend and frontend infrastructure, build APIs and data feeds, and collaborate with the founding team on technical strategy.

The role requires 5+ years of software development, strong Node/TypeScript and Express.js experience, SQL optimization, and frontend React proficiency. Hybrid onsite schedule in NYC with flexible remote days and meaningful equity.