Real-Time Front-End Engineer for AI Orchestration

Union.ai; United States; Hybrid; USD 120,000 - 190,000; Full time

Benefits offered by this job

Medical coverage

Dental & Vision

Equity options

Unlimited PTO

401K match

Parental leave

Flexible schedule

Lunch provided

Job summary

Union.ai in Seattle is hiring a Front-End Software Engineer to build high-performance React/Next.js experiences on top of distributed AI infrastructure. You will work on Run Details, Apps, and onboarding, with live data streams and real-time UI.

You will collaborate across product, design, backend, and customer teams; the role is hybrid, based out of our Seattle office, and requires 3+ years of hands-on web development with React, Next.js, and TypeScript.

Qualifications

• 3+ years of professional experience building modern web applications.
• Strong experience with React, Next.js, and TypeScript.
• Hands-on work with real-time data, infinite scrolling, virtualization, high-volume datasets.
• A real understanding of front-end architecture and performance optimization.
• Experience with modern build tooling such as Vite or Webpack.
• A bias toward simple, reliable, maintainable code and thoughtful user experiences.
• Clear communication and effective collaboration across teams.
• A bachelor's degree in computer science or equivalent professional experience.

Responsibilities

• Build and maintain a modern React and Next.js application in TypeScript.
• Develop features across Run Details, Actions, Apps, Settings, workflows, and onboarding.
• Implement complex UI patterns including infinite scrolling, virtualization, real-time updates, streaming, and timelines.
• Build interactive data tables with sorting, filtering, pagination, and efficient rendering at volume.
• Create reusable, responsive components using Tailwind CSS, Headless UI, and our design system.
• Work with gRPC and Connect APIs and protobuf for type-safe data communication.
• Use TanStack Query and Zustand for server and client state management.
• Collaborate with backend engineers to influence API design and deliver cohesive features.
• Contribute to front-end architecture, technical decisions, testing, and performance improvements.
• Work directly with customers to understand problems, debug issues, and improve the product.

Skills

React

Next.js

TypeScript

Real-time data handling

Performance optimization

UI components

Tailwind CSS

Headless UI

gRPC/Connect

Protobuf

TanStack Query

Zustand

Cross-functional collaboration

Education

Bachelor's degree in CS

Tools

Vite

Webpack

TanStack Query

Zustand

gRPC

Connect

Protobuf

Job description

Union.ai in Seattle is hiring a Front-End Software Engineer to build high-performance React/Next.js experiences on top of distributed AI infrastructure. You will work on Run Details, Apps, and onboarding, with live data streams and real-time UI.

You will collaborate across product, design, backend, and customer teams; the role is hybrid, based out of our Seattle office, and requires 3+ years of hands-on web development with React, Next.js, and TypeScript.