# Product Solutions Engineer

**Company:** [Arena](https://hotfix.jobs/companies/arena)
**Location:** San Francisco, CA, Berkeley, CA
**Role:** Solutions Architecture
**Experience:** 4+ years
**Skills:** TypeScript, LLM APIs, Web Frameworks, Cloud Infrastructure, CI/CD, System Design, Data Structures, Algorithms, Frontend, Backend
**Posted:** 2026-02-23

> Partners with AI labs to integrate models, run evaluations, and deliver results while building custom engineering solutions across the stack to address customer needs and push platform capabilities.

## Job Description

## Responsibilities

- Own 5–15 active model lab relationships as the day-to-day point of contact
- Partner directly with researchers and product teams to integrate models, run evals, and deliver high-quality results
- Drive consistent delivery across onboarding, data + product releases, co-launches, and unblock unexpected issues fast
- Be the “owner” of a key process improvement or automation (e.g., model onboarding flow, customer data insights, delivery tooling)
- Translate customer feedback and research direction into concrete product ideas and engineering work
- Work across the stack to ship pragmatic solutions that push the frontier for our customers
- Help expand strategic accounts through trust, execution, and sharp technical judgment

## Requirements

- 4+ years of software engineering experience with strong fundamentals (data structures, algorithms, system design)
- Production experience in **TypeScript** and modern web frameworks
- Hands-on experience integrating **LLM provider APIs**, including streaming responses
- Comfort moving across frontend and backend — you’re willing to dig in wherever the problem is
- Familiarity with **cloud infrastructure** and **CI/CD workflows**
- Strong problem-solving instincts and the ability to operate in ambiguity
- Clear, concise communication skills — you can explain complex technical ideas to both engineers and non-technical stakeholders
- A customer-first mindset and a genuine desire to work closely with multiple stakeholders

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**Apply:** https://hotfix.jobs/jobs/7b33f800-585c-4aad-a287-bc52c5442bdd
**Canonical:** https://hotfix.jobs/jobs/7b33f800-585c-4aad-a287-bc52c5442bdd