Full Stack Engineer / React / Node / Go

Oscar Technology; San Francisco (CA); Hybrid; USD 150,000 - 180,000; Full time

Benefits offered by this job

Equity

Paid Time Off

Medical, dental, and vision coverage

401(k) matching

Impactful role

Job summary

Oscar Technology is seeking a Full Stack Engineer in San Francisco, hybrid work, to help scale customer-facing applications. You’ll join as the second software hire and contribute to product direction and engineering best practices.

The role focuses on building with React, Node, and Go, collaborating with backend engineers, product and partner teams. Experience with eCommerce, Shopify, Redux Toolkit, Zustand, or React Query is highly valued, along with performance and accessibility work.

Qualifications

• 2+ years building production apps with React/Node/Go.
• Experience with React architecture and state management (Redux Toolkit, Zustand, React Query).
• Experience consuming backend APIs to build customer-facing features.
• Experience in fast-moving startup environments with high ownership.
• Experience with eCommerce integrations, Shopify development, SDKs, or widgets.

Responsibilities

• Build and ship customer-facing features using React, Node, and Go.
• Collaborate with backend engineers, product, and partner teams.
• Drive frontend architecture and technical direction in a high-ownership environment.

Skills

React

Node.js

Go

Redux Toolkit

Zustand

React Query

Shopify development

eCommerce integrations

Tools

Redux Toolkit

Zustand

React Query

Shopify

APIs

Job description

Title: Full Stack Engineer

Location: San Francisco, CA – Hybrid

Salary: $150K – $180K + Equity

A B2B growing AI startup is hiring a Full Stack Software Engineer to help scale their customer-facing applications. You’ll be the second Software hire at a mid-stage company working in a high-ownership environment, helping build new products while establishing best practices and contributing to the technical direction.

This role is focused on building and shipping applications using React, Node, and Go while working closely with backend engineers, product, and partner teams. The ideal candidate has eCommerce and Shopify experience along with exposure to Redux, Zustand, or React Query. Performance optimization and accessability experience is expected as well.

Experience:

• 2+ years of experience building production applications with React, Node, and Go
• Strong experience with React architecture and state management tools such as Redux Toolkit, Zustand, or React Query
• Experience working against backend APIs and building customer-facing features
• Experience working in fast-moving startup environments with high ownership
• Experience with eCommerce integrations, Shopify development, SDKs, or widgets

Benefits:

• Equity
• Paid Time Off
• Medical, dental, and vision coverage
• 401(k) matching
• Opportunity to create lasting impact within a growing organization
• High-ownership role with significant influence over the frontend product and technical direction