Pennylane Tech Stack

Financial OS for European SMEs and their accountants

Accounting Paris, Île-de-France 501–1,000 employees Founded 2020 Privately Held

Pennylane connects business owners and accounting firms with a unified platform for invoicing, expense management, bookkeeping, and tax filing. The hiring shape reveals a support and sales-heavy org scaling customer onboarding and adoption — 75 support roles, 30 sales, but only 15 engineering — which aligns with active projects around firm migrations, onboarding journeys, and churn reduction. This signals a business hitting product-market fit in France and now pivoting to customer success as the constraint.

Tech Stack 28 technologies

Core StackRuby on Rails React TypeScript Jest AWS Ruby JavaScript Salesforce Apex Workday Figma After Effects Adobe Premiere Pro Kubernetes Okta Slack Customer.io Intercom Google Workspace Jamf Apple Notion Blender LearnWorlds Khoros Livestorm Typeform

What Pennylane Is Building

◆Challenges

Time-consuming accounting tasks
Repetitive accounting tasks
Reducing churn
Increasing adoption
Electronic invoicing reform
Migrating sensitive financial data
Migrating legacy accounting data to new platform
Structuration du programme partnerships
Redundant repetitive tasks
Data availability across company

▲Active Projects

Training new accounting firms on pennylane
Pennylane deployment for smes
Migration of accounting firms to pennylane
Data-driven account health monitoring
Implementation of pennylane solution for accounting firms
Migration project
Partnership program structuring
Onboarding and adoption journeys
Programme intégrateurs cabinets comptables
Accounting application support

Hiring Activity

Accelerating190 roles · 120 in 30d

Department

Support

Sales

Engineering

Finance

Data

Design

Product

Seniority

Mid

Senior

Manager

Lead

Junior

Intern

Notable leadership hires: Technical Support Lead, Head of IT, Team Lead Project Manager, Team Lead Customer Support

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About Pennylane

Pennylane is a financial operating system built for European SMEs and their accountants. The platform serves two sides: business owners who use it for invoicing, payment collection, supplier payments, and cash flow management; and accountants who use it for bookkeeping and tax compliance. The company launched in France in 2020 and is expanding across Continental Europe. Engineering is distributed across Europe (remote-first), while customer-facing operations are concentrated in France, Germany, and Luxembourg. The tech stack centers on Ruby on Rails and React, with supporting tools in AWS, Kubernetes, and Salesforce for CRM.

HeadquartersParis, Île-de-France

Company Size501–1,000 employees

Founded2020

Hiring MarketsFrance, Germany, Luxembourg

Frequently Asked Questions

What tech stack does Pennylane use?

Core backend and frontend: Ruby on Rails, React, TypeScript. Infrastructure: AWS, Kubernetes. Supporting tools: Salesforce (CRM), Okta (identity), Figma (design). Communication: Slack, Intercom, Customer.io.

What is Pennylane working on?

Core projects: onboarding and adoption for accounting firms, data-driven account health monitoring, migrations of legacy data and existing firms onto the platform, partnership program structuring, and ongoing customer support at scale.