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# Full Stack AI Engineer

- **Company:** INFINITY CORP.
- **Location:** New York, NY, United States (Remote available)
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Python (Programming Language), Open Source Technology, Next.js, Software Factory, ReactJS, Large Language Models, Agentic-AI, Low-code, Front End Software Development
- **Published:** November 6, 2026
- **Apply:** https://www.adzuna.com/details/5327450191

## About the Role

Required:

 * Fluency in Python and experience using AI toolkits and APIs
 * Experience rapidly building and iterating on proof-of-concept or MVPs
 * Comfort using a blend of commercial APIs, open source, and low-code tooling to get things done
 * Strong problem-solving skills and analytical intuition

Bonus Points:

 * Prior work with AI agents, and a deep familiarity with what it takes to make them work well in production environments.
 * Experience with frontend development (React, Next.js, etc.)
 * A background in a STEM discipline, data science, or quant-heavy engineering you'll need to be able to show the impact of your work with statistical significance
 * Previous experience in a venture-backed startup or technical founder role

## Description

We're building AI-native engineering team within Infinity, a holding company building full-stack AI businesses. We support portfolio companies by:

 * Rapidly prototyping new product ideas to validate markets
 * Providing flex capacity during high-growth phases
 * Maintaining and evolving the Gravity our in house software factory and agent hub that we use to build all software.

We're not a dev shop. We're a surgical team of builders who move fast, reduce ambiguity, and create leverage across a network of founders building with AI at the core.

The Role

We're looking for scrappy, sharp, execution-focused engineers who thrive in high-autonomy environments. You'll be deployed on fast-moving projects; from validating ideas in one-week sprints to helping scale production tools inside early-stage companies.

This is a contract-to-hire role. If there's mutual fit, you'll transition to a full-time or retainer-based role within the core team.

What You'll Do

 * Build working prototypes of agentic AI applications, LLM workflows, and full-stack products
 * Experiment quickly across frameworks, open source tools, and low-code stacks
 * Interface directly with product thinkers and founders to distill ambiguous ideas into testable code
 * Contribute to shared internal libraries and the Infinity Commons and add features to Gravity, our software factory platform.
 * Occasionally embed with portfolio companies to support launches or unblock execution