# Software Engineer

**Company:** [Extend](https://hotfix.jobs/companies/extend)
**Location:** New York, NY
**Role:** Fullstack Engineering
**Experience:** 3+ years
**Skills:** LLMs, AI/ML, JavaScript, React, Python, Kubernetes, AWS, Docker, Postgres, TypeScript
**Posted:** 2026-01-22

> Builds scalable systems for LLM-powered document processing platform, designs novel human-AI interfaces, and owns full-stack product areas. Requires 3+ years experience, CS fundamentals, and AI interest for mission-critical enterprise use.

## Job Description

## Responsibilities
- Build and maintain durable, scalable systems capable of processing 10s of millions of data points per month.
- Design and implement human ↔ AI interfaces for designing and understanding document processing.
- Have complete ownership over large areas of product and engineering, with direct customer relationships.

## Requirements
- Strong foundational understanding of computer science principles.
- **3+ years** of professional software engineering experience (internships and part-time roles count).
- Enthusiasm for building high-quality, user-facing products and working across the stack.
- Demonstrated ability to learn quickly, take ownership, and work independently.
- Interest in AI/ML technologies and LLMs.

## Benefits
- 90% health insurance premium coverage.
- Relocation support for candidates outside NYC.
- Unlimited PTO.
- Daily lunch & snacks covered (dinner if late).
- Unlimited token/tooling access.
- Learning and development investment.

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**Apply:** https://hotfix.jobs/jobs/6a915305-3be9-4a76-80d9-bb82a580ad7b
**Canonical:** https://hotfix.jobs/jobs/6a915305-3be9-4a76-80d9-bb82a580ad7b