# Product Engineer

**Company:** [Unto Labs](https://hotfix.jobs/companies/unto-labs)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** From $170k/yr
**Experience:** 4+ years
**Skills:** React, React Native, TypeScript, gRPC, Rest, SDKs, Clis
**Posted:** 2026-03-16

> Builds full-stack mobile and web DeFi applications using React, React Native, and TypeScript in a blockchain venture studio. Prototypes crypto products rapidly for app store success, requiring 4+ years experience and expert web/mobile skills.

## Job Description

## Responsibilities
- Invent, prototype, and launch breakthrough decentralized finance applications in a venture-studio environment.
- Build full-stack mobile and web experiences with React and React Native.
- Contribute to and dogfood developing tooling (gRPC/TypeScript SDKs) and agent infrastructure.
- Iterate quickly to build concepts that rank high on global app stores.

## Qualifications
- 4+ years building consumer mobile or web apps with significant user traffic.
- Expert-level React and React Native skills, plus solid TypeScript.
- Experience building developer-facing SDKs and CLIs.
- Familiar with gRPC and REST specifications and tooling.
- Proven ability to turn rough ideas into shipped products at startup speed.
- Strong sense of product design, usability, and performance on resource-constrained devices.

## Compensation and Benefits
- Competitive salary ($170k+ USD).
- Significant equity and upside potential.
- Flexible work environment.
- Unlimited vacation policy.
- Health insurance.
- Hardware and development tool allowance.
- Conference and learning budget.

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**Canonical:** https://hotfix.jobs/jobs/8d5c9f5b-2140-4511-a192-6f374f8f5042