CareerPlan

Senior JavaScript Engineer (SuperDoc)

Remote / RecruitmentRemoteFull-time2026-10-19
Hybrid · United States

Core

Building new capabilities for an open-source document editor, including intelligent understanding, formatting, LLM-assisted actions, and AI integrations.

Role type

Senior JavaScript Engineer (Editor Platform)

Builds

An open-source document editor platform with real-time collaboration and AI features

Domain

LegalTech / GovTech / Document Editing

Deliverable

production ML models

Required skills

JavaScript, TypeScript, ProseMirror, OOXML parsing, Vue, Node.js, Playwright, AI/LLM integration, API design, UX design

Preferred skills

Experience building/extending editors (TipTap, Lexical), startup founding experience, OSS contribution

Technologies

ProseMirror, Vue, GCP, Node, Playwright, Excalidraw, Linear

Responsibilities

Parse MS Word OOXML and map to ProseMirror nodes, design and ship AI + editor integrations, own features end-to-end from user research to shipping, collaborate with co-founders and customers to shape roadmap, articulate technical decisions to the team, champion engineering best practices and automated testing