Senior Frontend Engineer - Flow Builder Architect (Remote)

Adapty; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Exceptional compensation

Flexible remote work

Language learning

Health insurance

Laptop coverage

Job summary

Adapty is hiring a Senior Frontend Engineer to own the frontend of Flow Builder, shaping its architecture and guiding features from concept to production. You will collaborate with product and design to translate customer problems into robust editor solutions, ensuring performance as the editor scales beyond four screens to complex flows.

You will define the layer translating editor config into SDK-executable code, and partner with mobile to coordinate a five-runtime contract.

Qualifications

• 5+ years shipping production web applications with React and TypeScript.
• Experience building editor-class interfaces (canvas, drag & drop, node/graph editors, WYSIWYG).
• Ability to define product-focused architectural direction for evolving editors.

Responsibilities

• Own the architecture of the Flow Builder frontend and drive its evolution.
• Turn customer problems into production features with product and design alignment.
• Ship across the editor surface: canvas, layers, inspector, navigation, and state handling.
• Define contract with SDKs and coordinate with the mobile team on cross-runtime behavior.
• Develop the document model: nested configs, undo/redo, autosave, and concurrent editing.
• Enhance AI Editor integration for inspectable, reversible screen generation.

Skills

React

TypeScript

Frontend architecture

Editor UI

Job description

Adapty is hiring a Senior Frontend Engineer to own the frontend of Flow Builder, shaping its architecture and guiding features from concept to production. You will collaborate with product and design to translate customer problems into robust editor solutions, ensuring performance as the editor scales beyond four screens to complex flows.

You will define the layer translating editor config into SDK-executable code, and partner with mobile to coordinate a five-runtime contract.