Double Tech Stack

Accounting software connecting firms to QuickBooks and Xero

Accounting New York, NY 51–200 employees Privately Held

Double is a workflow platform for accounting firms that syncs bidirectionally with QuickBooks Online and Xero to automate month-end close and client communication. The stack (React + Node.js + PostgreSQL on AWS) is typical for a modern SaaS product, but the pain-point list reveals the core motion: firms are manually managing processes in Excel and homegrown tools. Current hiring is sales-heavy with 2 open roles, suggesting customer acquisition is the immediate bottleneck.

Tech Stack 22 technologies

Core StackSlack HubSpot Salesforce Zoom Postman React Redux TypeScript Node.js Express PostgreSQL AWS Xero NetSuite Notion Qase BrowserStack TypeORM TanStack Query Redux Toolkit React Query QuickBooks Online

What Double Is Building

◆Challenges

Homegrown project management solutions
Bookkeepers stuck in excel spreadsheets
Reliance on excel spreadsheets

▲Active Projects

Onboarding prospective customers
Expansion of existing accounts
Internal team processes
Customer education
Bookkeeper outreach
Demo scheduling
Continuous delivery pipeline

Hiring Activity

Accelerating6 roles · 2 in 30d

Department

Sales

Support

Engineering

Product

Seniority

Mid

Junior

Senior

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About Double

Double provides accounting firms with a unified workspace for client communication, receipt management, error detection, and workflow coordination. The product integrates directly with QuickBooks Online and Xero to eliminate manual month-end close work; firms using Double report 50% faster close cycles. The company operates in the United States and Uruguay, with a team of 51–200. Active hiring focuses on sales and customer support roles, alongside one engineering and one product hire.

HeadquartersNew York, NY

Company Size51–200 employees

Hiring MarketsUnited States, Uruguay

Frequently Asked Questions

What accounting software does Double integrate with?

Double syncs bidirectionally with QuickBooks Online and Xero. The platform also connects to NetSuite.

What tech stack does Double use?

Double runs React and TypeScript on the frontend with Node.js and Express on the backend, PostgreSQL for the database, and AWS for infrastructure. The team also uses TanStack Query, Redux, and TypeORM.

How this profile is built

Double's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.