[Hiring] Software Engineer, Frontend (React) @Plane Software, Inc.

Role Description

Plane's client is local-first, so state lives in the browser, syncs when the network allows, and has to stay correct when two people edit the same document at once or when a customer's cluster never touches the internet. Agents now act inside those same workspaces, which means the interface has to render a change made by a machine as legibly as one made by a colleague. You will own frontend surfaces across that client:

• The dense views that hold tens of thousands of issues
• The collaborative editor
• The offline and caching layer under both
• The design system components the rest of the product is built from

You will work with designers, product, and backend engineers in San Francisco and Hyderabad, and your commits land in a public repository where contributors read them.

Qualifications

• You have shipped React and TypeScript to production.
• Point us to something you built, and tell us one decision in it you would make differently now.
• You reason about state, not just hooks.
• You know when state belongs local, when it belongs global, and how reactivity moves through an app (MobX, Redux, Zustand, or similar).
• You write CSS with intent.
• Responsive, themeable interfaces in Tailwind or a comparable system, and an eye that catches a misaligned element before review does.
• You have worked inside a shared component library.
• You know what breaks when a component is used in ways its author did not plan for.

Requirements

• Own user-facing surfaces from design review through component work to rollout, starting with scoped ones and taking on larger ones as you learn the client.
• Extend the local-first sync and collaborative editing layer alongside the engineers who built it: serialization, conflict resolution, and what the interface does when the two disagree.
• Keep dense views fast. Virtualization, memoization, and render paths in workspaces holding tens of thousands of issues are yours to profile and fix.
• Make Plane usable offline and on slow networks with Service Workers and IndexedDB, including for customers whose machines never reach the internet.
• Work daily with designers and backend engineers across San Francisco and Hyderabad, and review community pull requests from contributors you will never meet.
• Chase visual and behavioral bugs you cannot reproduce, across browsers, screen sizes, and self-hosted versions running months behind ours.

Nice to haves

• You have made a slow interface fast, and you can quote the measurement.
• You have contributed to Plane, run it self-hosted, or maintained another open project people rely on.
• You have worked inside a rich-text editor framework (ProseMirror, CodeMirror, Lexical, Tiptap) rather than only on top of one.
• You have built offline-first or CRDT-backed applications and have opinions about conflict resolution.
• You have built interfaces where AI agents act on real data, and you have thought about how to show authorship and authority.

Tech

• Frontend: React, TypeScript, Tailwind CSS, MobX, React Router
• Editing and sync: ProseMirror based editor, local-first sync, Service Workers, IndexedDB
• Desktop: Electron
• Build and design system: Vite, Rolldown, internal React component library
• Services you will call: Python/Django, Golang, Elixir, Postgres, Redis, public REST and GraphQL APIs
• Observability: Datadog, Sentry
• Everyday tools: GitHub, Plane (yes, we run on it), Figma, Slack

Why Plane?

• The scope is real. We are a passion team serving companies of every size, including some of the largest in the world.
• The constraints make you better. Building software that survives all of that is harder than building an ordinary SaaS product.
• The people-and-agents future is being built here, in production. We are building that system now, for customers who already depend on it.
• Your name is on the work. The teams are deeply connected enough that credit and responsibility both find you fast.

Plane is an equal opportunity employer. We do not discriminate based on race, color, religion, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, or any other protected characteristic under applicable law.