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Senior Frontend Engineer — Workflow Builder

Plexis AI

Remote · location unlistedFull-timePosted 4mo agoStill listed 4 days ago

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At a glance

Compensation
No compensation found
Location
Remote · location unlisted
Schedule
Full-time
Work Authorization
Not specified

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Job overview

Plexis AI is hiring a Senior Frontend Engineer — Workflow Builder. Plexis AI is seeking a Senior Frontend Engineer to lead the frontend product experience for their enterprise platform. This role involves building a visual workflow builder and operational console, enabling users to create, configure, test, publish, and monitor workflows across various healthcare systems. The position requires expertise in complex product engineering, focusing on graph-based interfaces, heavy stateful UI, and schema-driven forms.

Key focus areas include Own frontend development for visual workflow builder using a node-based canvas, Develop node palette, drag/drop interaction, edge connections, zoom/pan, selection states, and Create node configuration side panels.

Successful candidates bring 6+ Years Frontend Experience, Experience Building Complex B2B SaaS Products, and Experience with API-Heavy Applications. Important skills include React, TypeScript, Frontend Architecture Judgment, State Management, API-Heavy Applications, and Building Data-Heavy Admin Consoles. Preferred (not required): Graph/Canvas Editor Experience, Workflow Builder Experience, Automation Builder Experience, and Low-Code/No-Code Experience.

Skills & qualifications

RequiredNice to have

Skills

ReactTypeScriptFrontend Architecture JudgmentState ManagementAPI-Heavy ApplicationsBuilding Data-Heavy Admin ConsolesBuilding Workflow ToolsBuilding DashboardsBuilding Internal PlatformsTranslate Complex Backend States Into Clear User-Facing InterfacesProduct SenseUX JudgmentWorking Closely With Backend Engineers on API Contracts and Data ModelsMove Fast Without Creating Messy, Unmaintainable Frontend ArchitectureGraph/Canvas Editor ExperienceWorkflow Builder ExperienceAutomation Builder ExperienceLow-Code/No-Code ExperienceBPM ExperienceIntegration-Platform ExperienceInternal-Tool-Builder ExperienceDrag/Drop UINode-Based Editor ExperienceComplex Form BuildersSchema-Driven FormsZustandTanStack QueryReduxJotaiTailwind CSSShadcn/UiRadix UITimeline UI ExperienceAudit Log UI ExperienceEvent-History UI ExperienceActivity-Feed UI ExperienceEnterprise SaaSFintechHealthcareComplianceRegulated-Product ExperienceBuilding Polished UX for Complex Operational Products

Qualifications

6–10+ Years of Frontend or Product Engineering ExperienceExperience Building Complex B2B SaaS Products

Full job description

About Plexis Plexis lets healthcare teams visually build and deploy governed workflows across EHR, ERP, scheduling, lab, messaging, and internal systems.

We are building a serious enterprise platform, not a simple dashboard or CRUD SaaS app. The workflow builder is the product surface.

Role We are looking for a Senior Frontend Engineer to own the frontend product experience for Plexis.

You will build the visual workflow builder and operational console that users rely on to create workflows, configure nodes, test flows, publish versions, monitor executions, review audit trails, approve actions, and resolve failed or uncertain workflow runs.

This is a complex product engineering role. You should be comfortable building graph-based interfaces, heavy stateful UI, schema-driven forms, admin consoles, execution timelines, and enterprise-grade workflows.

This is not a marketing site role. This is not a basic React dashboard role.

Core Responsibilities You will own frontend development for:

  • Visual workflow builder using a node-based canvas

  • Node palette, drag/drop interaction, edge connections, zoom/pan, selection states

  • Node configuration side panels

  • Dynamic forms for node configuration

  • Workflow draft, validation, test run, and publish flows

  • Workflow templates that users can customize

  • Connector setup and connector health screens

  • Run history and execution timeline

  • Audit trail visualization

  • Approval queue and operator task views

  • Reconciliation queue for workflows requiring human review

  • Admin settings, tenant configuration, and user/role management

  • Frontend/backend contract design with the backend platform engineer

  • A polished product experience that feels safe, serious, and enterprise-ready

Required Experience

  • 6–10+ years of frontend or product engineering experience

  • Strong React

  • Strong TypeScript

  • Experience building complex B2B SaaS products

  • Strong frontend architecture judgment

  • Strong state management experience

  • Experience with API-heavy applications

  • Experience building data-heavy admin consoles, workflow tools, dashboards, or internal platforms

  • Ability to translate complex backend states into clear user-facing interfaces

  • Strong product sense and UX judgment

  • Comfortable working closely with backend engineers on API contracts and data models

  • Ability to move fast without creating messy, unmaintainable frontend architecture

Strongly Preferred Experience

  • React Flow or similar graph/canvas editor experience

  • Workflow builder, automation builder, low-code/no-code, BPM, integration-platform, or internal-tool-builder experience

  • Drag/drop UI and node-based editor experience

  • Complex form builders or schema-driven forms

  • Zustand, TanStack Query / React Query, Redux, Jotai, or similar tools

  • Tailwind, shadcn/ui, Radix UI, or similar component systems

  • Timeline, audit log, event-history, or activity-feed UI experience

  • Enterprise SaaS, fintech, healthcare, compliance, or regulated-product experience

  • Experience building polished UX for complex operational products

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