Senior Software Engineer at Pennylane

Are you looking to have an impact on the daily life of millions of entrepreneurs in France (and tomorrow in Europe)?

Are you looking for a work environment that values trust, proactivity, and autonomy?

Do our Engineering principles align with your vision?

Then, Pennylane is the right place for you!

Our Vision

We aim to become the most beloved financial Operating System of French SMEs (and soon, European ones). We help entrepreneurs rid themselves of time-consuming tasks related to accounting and finance while providing them with access to key financial information to assist in making the best decisions for their business.

Simultaneously, we support accounting firms by enabling them to spend less time on redundant and repetitive tasks and more time on advising and supporting their clients. Already, over 1,300,000 small and medium-sized enterprises (SMEs) and more than 6,500 accounting firms use Pennylane in France!

About Us

Pennylane is one of the fastest-growing Fintechs in France (and soon to be in Europe!).

In 6 years of existence, we’ve managed to:

• 💻 Make ourselves known as a groundbreaking accounting and financial software for small businesses and their accountants
• 💰 Raise a total of €400 million, including from Sequoia, the famous fund from Silicon Valley who invested early in companies like Google, Facebook, Airbnb, Stripe, PayPal, and more...
• 👨‍👩‍👧‍👦 Grow from 7 cofounders to 1,100+ happy Pennylaners: we’re now recognized as one of the greatest places to work in France (and also remotely), with a 4.6/5 rating on Glassdoor.
• 🌍 Build an international environment with more than 25 nationalities, with a strong remote-friendly culture, where 30% of the employees are already working from all parts of Europe
• 🤝 Earn the trust of thousands of customers and accounting firms and obtain outstanding ratings

How You Will Contribute as a Senior Software Engineer

As a Senior Software Engineer at Pennylane, your squad is your primary focus. You will contribute to building reliable, scalable, and user-focused products, while helping the engineers around you grow and raising the quality of our technical execution. You will:

• Understand and frame user and product problems, using your product knowledge to help your squad deliver simple, pragmatic, and valuable solutions.

• Lead significant technical deliveries within your squad, from understanding the problem to designing, implementing, testing, and operating the solution in production.

• Investigate and resolve complex production issues, using monitoring, observability, and data analysis tools to identify root causes and prevent recurrence.

• Design and evolve robust solutions, identifying performance, scalability, and reliability opportunities and turning them into pragmatic technical improvements.

• Bring strong expertise in at least one major part of our stack, while being able to join a new team and become autonomous on a high-impact initiative within a few weeks.

• Improve engineering practices across the organization, through high-quality code reviews, pair programming, documentation, RFCs, and the adoption of AI-assisted development without compromising software quality.

• Act as a role model and a driver for other engineers, sharing knowledge, providing actionable feedback, and helping the team continuously improve its technical skills and ways of working.

• Collaborate effectively with other teams when needed, proactively unblocking technical topics and clearly communicating progress, risks, decisions, and results to the relevant stakeholders.

• Contribute to the Pennylane tech community, through technical content, onboarding, interviews, incident resolution, tech initiatives, meetups, or other community-building activities.

You’re the Right Candidate If You...

• Have strong hands-on experience with Ruby on Rails (at least 7-8 years)
• Combine technical expertise with strong product and business understanding, enjoy solving complex problems, and care deeply about your users.
• Are a collaborative team player, communicate clearly, and take ownership of delivering reliable, pragmatic solutions.
• Like being challenged and solving complex problems (accounting is complex in Europe)
• Have strong communication skills and are capable of articulating your ideas clearly

What We Offer

• 🏢 You'll be able to work remotely from your country of residence, as long as it is in Europe and within a maximum time difference of two hours from the CET time zone.
• 🌴 Wherever you are based, you will get 30 vacation days paid by Pennylane.
• 💵 You’ll have a competitive compensation package.
• 📈 You'll get company shares to enjoy a piece of the success story you're building with us.
• 🏡 You’ll have a budget to turn your home into a more comfortable workspace, as well as a monthly allowance to work from a coworking space whenever you feel like it.
• ⛹️ Through our partner Gymlib, you’ll have access to 8,000 fitness spaces in Europe and more than 300 activities related to wellness.
• 🇬🇧 You’ll have access to Busuu to perfect your English or French.
• 💻 You’ll get the latest Apple equipment.
• 🎉 We are committed to regularly coming together for company events such as Tech Days (which bring remote Pennylaners together every 3 months) or our annual company seminar, fostering significant moments of cohesion for everyone.

If you are based in France, you will have a French contract following French regulation on top of the additional perks: 6 to 13 RTT, 5 weeks PTOs, lunch credits (Swile), Alan Blue healthcare cover, and regular events in cities where Pennylaners are mostly present (Lyon, Bordeaux, Nantes…).

Hiring Process

• You will first have a general chat with a Talent Acquisition Manager (30 min).
• You’ll then have a test-home assignment + a debriefing session with two of our software engineers (1 hour).
• You’ll have a last culture-fit discussion with two people from our tech leadership (1 hour).

We make sure we move fast; you can expect the recruitment process with us to last between 15 to 25 days in total.

We know that some people are less likely to apply than others if they don’t feel like they meet the full list of criteria. If you’re hesitating, we encourage you to apply: who knows, it might be the start of a meaningful and long-lasting collaboration.

We also want to emphasize that we fully embrace diversity, equity, and inclusion and that we’re doing our best to create a safe and inclusive environment.