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Union is building the orchestration layer for modern AI and ML workloads. We're hiring a Front-End Software Engineer to build intuitive, high-performance experiences on top of complex distributed systems.
The surface you own is data-dense and live. Workflow runs stream state as they execute, task lists run long, logs and timelines update in real time, and a customer debugging a failed run needs the console to stay fast and legible while thousands of rows move underneath them. This is closer to building a monitoring or observability console than a marketing site or a CRUD app.
You'll work across the Flyte v2 experience, from launching workflows to monitoring runs, debugging failures, managing applications, and onboarding new organizations, in close partnership with product, design, backend, infrastructure, and customer teams.
This role is hybrid, based out of our Seattle office.
At Union, we are solving one of the hardest challenges in AI infrastructure today: enabling high-velocity iteration while maintaining seamless production-readiness for AI workloads at scale.
Flyte , the open-source project we steward, has emerged as the modern standard for data and AI orchestration, and is trusted by leading technology organizations including LinkedIn, Stripe, and Wayve to run millions of mission-critical workflows on the platform. These workflows comprise data preparation, model training, and scaled inference spanning thousands of GPUs, all major clouds, and on-premise infrastructure.
We have a technical founding team who created Flyte while at Lyft, a deep bench of infrastructure experts from top companies, and have raised from top investors like NEA and Nava Ventures.
Union is building the orchestration layer for modern AI and ML workloads. We're hiring a Front-End Software Engineer to build intuitive, high-performance experiences on top of complex distributed systems.
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The surface you own is data-dense and live. Workflow runs stream state as they execute, task lists run long, logs and timelines update in real time, and a customer debugging a failed run needs the console to stay fast and legible while thousands of rows move underneath them. This is closer to building a monitoring or observability console than a marketing site or a CRUD app.
You'll work across the Flyte v2 experience, from launching workflows to monitoring runs, debugging failures, managing applications, and onboarding new organizations, in close partnership with product, design, backend, infrastructure, and customer teams.
This role is hybrid, based out of our Seattle office.
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.
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, complex state, or high-volume datasets. This is the part of the job that's hard to fake.
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.
Workflow orchestration, developer tools, cloud infrastructure, or distributed systems.
Kubernetes, containers, gRPC, protobuf, or data visualization.
Flyte, Ray, Spark, SageMaker, or similar AI and ML platforms.
Working directly with enterprise customers.
Core. React, Next.js, TypeScript.
Styling. Tailwind CSS, Headless UI, internal design system.
State and data. TanStack Query, Zustand, gRPC and Connect, protobuf.
Tooling. Vite, Webpack.
Private AI infrastructure company serving developers with workflow orchestration, model serving, and compute management.
Visit company websiteJobs and hiring trendsUSD 170000-190000 yearly / year
Full-time
Mid · 3+ years experience
Hybrid
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