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Fullstack Software Engineer

Oscar TechnologySan Francisco, CA🇺🇸United StatesPosted 9 Sept 2026

Why This Role Stands Out

You'll have the opportunity to significantly impact the growth of a B2B AI startup by scaling customer-facing applications in a high-ownership environment, with competitive compensation including $170K plus equity. This hybrid role is perfect for a mid-senior engineer with experience in React.js, Node.js, and Go, who thrives in collaborative, fast-paced settings and seeks substantial influence over product direction. Apply now to join a dynamic team and shape innovative solutions!

Quick Overview

Salary
$170k/yr
Seniority
Mid Senior
Work mode
Hybrid
Location
San Francisco, CA, United States
Posted
Yesterday
Node.jsGoReactReduxZustand

Job Description



Title: Fullstack Software Engineer
Location: San Francisco, CA - Hybrid
Salary: $170K + Equity


A growing B2B AI startup is hiring a Fullstack Software Engineer to help scale customer-facing applications. You'll work in a high-ownership environment building new products and collaborating closely with frontend and backend engineers, product, and partner teams.


The ideal candidate has experience building scalable applications with React.js, Node.js, and Go, along with a background in performance optimization and accessibility.


Experience:



  • 3+ years of experience building production applications with React.js, Node.js, and GoLang
    * 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



Oscar Associates Limited (US) is acting as an Employment Agency in relation to this vacancy.

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