Upflow Tech Stack

AR automation and payment orchestration platform for B2B finance

Software Development New York 51–200 employees Founded 2018 Privately Held

Upflow operates a Financial Relationship Management platform built on Node.js, React, PostgreSQL, and GCP—a modern fintech stack optimized for data visibility and workflow automation. The hiring pattern (sales-heavy relative to engineering, with senior headcount concentrated in GTM) reflects a post-PMF company scaling revenue operations rather than product; recent pain points around scaling the GTM playbook and unit economics confirm the org is in growth-efficiency mode, not feature expansion.

Tech Stack 29 technologies

Core StackMixpanel Gong Jira HubSpot make TypeScript Node.js Express PostgreSQL Redis React GraphQL Terraform Datadog Sentry GitHub GitHub Copilot CircleCI Figma ProductBoard Fullstory Sisense Notion Google Analytics 4 Ahrefs SEMrush Google Search Console GCP Claude

What Upflow Is Building

◆Challenges

Cash flow suffers
Unpaid invoices
Broken communications
Outdated payment methods
Cash collection challenges
Real-time data synchronization
Data accuracy at scale
Scaling application performance
Scaling gtm playbook
Improving unit economics

▲Active Projects

Emea net new business deals
Upflow champions program
Quarterly okr planning sessions
Enhance transparency across the organization with data
Automation of internal processes
Team-building activities
Office celebrations
Wellness initiatives
Scalable inbound/outbound campaigns
Ai tools integration

Hiring Activity

Decelerating15 roles · 2 in 30d

Department

Sales

Engineering

Customer-Success

Design

Executive

Finance

Marketing

Seniority

Senior

Intern

Lead

Manager

Mid

Notable leadership hires: GTM Lead

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About Upflow

Upflow helps B2B finance teams automate accounts receivable and cash collection workflows. The platform combines real-time AR visibility, automated multi-channel payment reminders, and branded payment portals integrated with accounting systems (NetSuite, Sage Intacct, Zuora, QuickBooks, Xero) and CRMs (Salesforce). Founded in 2018 and based in New York, Upflow operates a 51–200-person team across the United States, France, and India. The company is backed by Y Combinator and fintech-focused investors.

HeadquartersNew York

Company Size51–200 employees

Founded2018

Hiring MarketsUnited States, France, India

Frequently Asked Questions

What tech stack does Upflow use?

Upflow is built on Node.js, Express, React, and PostgreSQL, hosted on GCP with Redis caching. Observability and data infrastructure use Datadog, Sentry, Sisense, and Mixpanel. Development leverages GitHub, CircleCI, TypeScript, and GraphQL.

Where is Upflow headquartered?

Upflow is headquartered in New York and hires across the United States, France, and India. The company has 51–200 employees and was founded in 2018.