# Member of Technical Staff - Product (Backend)

**Company:** [Modal](https://hotfix.jobs/companies/modal)
**Location:** New York, NY, San Francisco, CA
**Role:** Backend Engineering
**Salary:** $150k – $300k/yr
**Skills:** Python, TypeScript, ClickHouse, Observability Tools, LLMs, Diffusion Models, Billing Systems, B2B SaaS, Kubernetes
**Posted:** 2026-01-09

> Backend engineer building developer tools for AI infrastructure at scale, focusing on new workflows for LLMs and diffusion models. Requires full-stack experience with Python, TypeScript, ClickHouse, and onsite work in NYC or SF.

## Job Description

## Requirements

- Experience building and shipping modern web applications end-to-end. We care more about what you’ve built than years of experience.
- Comfort working across the stack: **TypeScript** on the frontend, **Python** services on the backend, and **ClickHouse** for data and analytics.
- Deep knowledge of observability tools and patterns for large-scale workloads such as custom sandboxes, training and inference for large language (LLM) and diffusion models.
- Experience with at least one of: billing/payments systems, B2B SaaS tooling, enterprise software, or LLM/diffusion models inference and training loads.
- Strong product instincts; focus on customer problems, not just tickets.
- Ability to make good tradeoffs between shipping fast and building for scale.
- Ability to work in-person in our NYC office.

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**Canonical:** https://hotfix.jobs/jobs/83b659ad-f7e8-4b75-b68b-40e90df83872