Full-Time

Fullstack Software Engineer

Ruby on Rails / React, 🇪🇺

Posted on 6/2/2025

Pennylane

Pennylane

1,001-5,000 employees

Real-time accounting platform for SMBs

No salary listed

Paris, France

Remote

Remote from Europe; reside in Europe with CET ±2h.

Category
Software Engineering (1)
Required Skills
JavaScript
React.js
Ruby
Jest
TypeScript
AWS
Requirements
  • Have experience with Ruby on Rails and React (at least 4 years)
Responsibilities
  • You will learn everything about our company, our teams, and our vision during the first onboarding week.
  • You will follow a tech onboarding training to get familiar with the application, the accounting concepts, the code stack (we use Rails, React, Typescript, ES6, Jest, AWS) and the CI/CD.
  • You are integrated in your squad and explained your squad scope, roles and responsibilities.
  • You will have a 'tech buddy', basically a more senior software engineer, helping you on a daily basis with all the technical details you need as of software engineer.
  • You will start working on what we call 'good first issues' to get familiar with the dev environment, the code structure, the tools and the squad scopes.
  • You will be comfortable within your squad perimeter, people and best practices.
  • You will have participated on building and shipping features to production.
  • Thanks to your unique personality you will start bring value and new ideas to the squad.
  • The teams are growing fast, there are plenty of opportunity to grow and develop your skills as a software engineer.
  • You will be able to take ownership and gain responsibilities on some features or projects the squad is responsible for.
  • You will have the possibility to have impact at Pennylane scale by working on cross teams or transversal initiatives.
  • You will participate in scaling the Pennylane application from 30k+ customers to millions customers.
Desired Qualifications
  • Have a balanced blend of technical, business, and product skills.
  • Are a teamplayer and have experience working in an agile environment
  • Like being challenged and solving complex problems (accounting is complex in Europe)
  • Show empathy for your users and want to solve real issues for them
  • Have strong communication skills and are capable of articulating your ideas clearly

Pennylane is a financial and accounting platform for SMBs and their accountants that centralizes all financial data in real time. It lets managers manage invoicing, payments, cash flow, and reporting while giving accountants a single production tool. The service is subscription-based and designed to be used by both the company and its external accountant, with real-time visibility and a single source of truth. It targets France and Europe, offering features like sales/purchase management, cash flow forecasting, dashboards, and is a certified Partner Dematerialization Platform (PDP) for upcoming e-invoicing rules.

Company Size

1,001-5,000

Company Stage

Series E

Total Funding

$443.9M

Headquarters

Paris, France

Founded

2020

Simplify Jobs

Simplify's Take

What believers are saying

  • Serves 6,000 accounting firms and 800,000 companies with 1,000 employees.
  • $200M funding from TCV and Sequoia accelerates AI and European expansion.
  • Billy acquisition integrates Chargebee, HubSpot, and Salesforce ecosystems.

What critics are saying

  • Xero captures 20% more French SMEs via multi-language marketing in 6-12 months.
  • QuickBooks undercuts subscriptions, causing 15-25% freelancer churn in 12-18 months.
  • DATEV blocks Germany integrations, delaying profitability by 18 months.

What makes Pennylane unique

  • Pennylane centralizes financial data for SMBs and accountants in real-time collaboration.
  • Certified PDP ensures French e-invoicing compliance by September 2026.
  • AI automates accounting unlike Xero and QuickBooks' global focus.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Remote Work Options

Company Equity

Home Office Stipend

Wellness Program

Paid Vacation

Health Insurance

Lunch Credits

Flexible Work Hours

Gym Membership

401(k) Company Match

Growth & Insights and Company News

Headcount

6 month growth

-1%

1 year growth

-1%

2 year growth

-2%
Tech.eu
Jan 20th, 2026
French accounting software platform Pennylane raises $200M

The funding round values Pennylane at $4.25bn, according to a report.

Tech Funding News
Jan 20th, 2026
French unicorn Pennylane raises $200M to lead Europe's AI accounting race

Pennylane, a French accounting software startup, has raised $200 million in a funding round led by TCV, with participation from Blackstone Growth and existing investors Sequoia, DST, CapitalG and Meritech. Founded in 2020 by Arthur Waller, Pennylane offers an all-in-one platform combining accounting production, financial management and payments, designed for seamless collaboration between accountants and their clients. The company differentiates itself from competitors like Xero and QuickBooks through its European regulatory focus and partnership approach with accounting firms. The platform features AI-driven automation, real-time financial insights and integrated payment tools. Pennylane now supports 6,000 accounting firms and 800,000 companies, employing 1,000 people. The funding will accelerate AI development and European expansion as the company approaches profitability.

Tech Funding News
Nov 26th, 2025
French unicorn Pennylane nears $200M raise at $4.25B valuation to reshape SME accounting — TFN

French company Pennylane is negotiating a fresh investment of around $200 million at a $4.25 billion valuation.

The French Tech Journal
Apr 18th, 2025
Pennylane Raises €75M, Eyes France Growth

Pennylane, a French fintech, has secured a €75 million funding round, doubling its valuation to €2 billion. The company plans to leverage new invoicing regulations and AI to expand, focusing on France before targeting continental Europe. With 4,500 accounting firms and 350,000 SMEs as clients, Pennylane aims to capitalize on France's mandatory e-invoicing reform by 2026. CEO Arthur Waller projects $100 million ARR this year, emphasizing AI's role in enhancing accountant services.

Maddyness
Apr 11th, 2025
Pennylane raises €75M for financial AI

French startups raised €163 million this week, with AI-focused companies securing €119 million. Notable funding includes Pennylane, which raised €75 million, Roof with €20 million, and Qevlar AI with €9.3 million. Other startups like PyannoteAI, Parallel, Ed AI, and Feedae also contributed to the total.

INACTIVE