Lead Frontend Engineer, Partner Portal & Onboarding

SpreeAI; Fort Wayne (IN); Hybrid; USD 90,000 - 150,000; Full time

Job summary

SPREEAI is seeking a frontend engineer to own and evolve our partner-facing surfaces, including the Partner Portal, Shopify onboarding flow, demo site, and Rescale App. You will ship polished React interfaces and collaborate with backend teams to define clean API contracts.

You’ll optimize performance, ensure accessibility, and establish frontend practices as the team scales. If you take pride in delivering delightful, production-ready features from design through release, this is your

Qualifications

• 3+ years building production React.js applications.
• Strong grasp of modern state management (Redux Toolkit, Zustand, or React Query) and component architecture (hooks, context, memoization)
• Experience with performance optimization (code splitting, lazy loading, virtualized lists) and accessibility (WCAG 2.1, ARIA, keyboard navigation)
• Comfort working directly against backend APIs and iterating quickly in an ambiguous, fast-moving environment
• Nice to have: Shopify app development, embeddable SDK/widget experience, or other e-commerce integration work

Responsibilities

• Build and maintain React.js interfaces for the Partner Portal, Shopify onboarding flow, demo site, and Rescale App
• Partner closely with backend engineers (Go/Node) to design clean, well-scoped API contracts for partner-facing features
• Own frontend performance, accessibility, and polish, the Partner Portal is often a brand partner's first hands-on impression of SPREEAI
• Work directly with product and partner engineering leads to turn onboarding requirements into shipped features
• Help set frontend engineering practices, code review norms, testing, component patterns, as the team grows

Skills

React.js

State management

Redux Toolkit

Zustand

React Query

Performance optimization

Accessibility

API integration

Shopify app development

Tools

Shopify

Go/Node API collaboration

Job description

SPREEAI is seeking a frontend engineer to own and evolve our partner-facing surfaces, including the Partner Portal, Shopify onboarding flow, demo site, and Rescale App. You will ship polished React interfaces and collaborate with backend teams to define clean API contracts.

You’ll optimize performance, ensure accessibility, and establish frontend practices as the team scales. If you take pride in delivering delightful, production-ready features from design through release, this is your