You'll develop and improve our public website and acquisition journeys, with a strong focus on frontend engineering.
- Build modern, responsive and high-performing interfaces using Vue.js and Nuxt.js.
- Develop and maintain fullstack features using Ruby on Rails.
- Improve website performance, accessibility and user experience.
- Build reusable components and scalable frontend solutions.
Drive growth through engineering
You'll work closely with Growth, Marketing and Data teams to turn business opportunities into technical solutions.
- Build and improve acquisition and registration funnels.
- Design and implement A/B tests and new user experiences.
- Improve conversion through technical experimentation.
- Develop features that support our international expansion, including localization and multilingual experiences.
Connect systems and data
You'll contribute to the technical foundations that power our growth initiatives.
- Build and maintain APIs and integrations between internal and external tools.
- Ensure reliable data flows across our digital ecosystem.
- Contribute to tracking implementations and data quality improvements.
- Work with Data teams to better understand user journeys and experiment results.
Improve how we build
You'll help us move fast without compromising engineering quality.
- Write clean, maintainable and well-tested code.
- Identify opportunities to simplify and automate workflows.
- Use AI-powered development tools when they bring real value.
- Take ownership of your projects, from technical design to production.
- Share knowledge and contribute to engineering best practices.
We're looking for an engineer who enjoys building products, solving technical challenges and seeing the impact of their work.
Someone who combines strong engineering fundamentals with curiosity about user experience, experimentation and business impact.
You don't need to be a marketing expert. But you should enjoy understanding why you're building something, not just how to build it.
We'd love to meet you if...
- You have experience in software engineering, with strong frontend development skills.
- You're comfortable building modern web applications with Vue.js and/or Nuxt.js, or have strong experience with comparable frameworks and are ready to work with our stack.
- You're fluent in AI-assisted development : you work with coding agents, create custom skills and instructions, use worktrees to parallelize work and keep code quality high.
- You have fullstack experience and can contribute to backend development. Experience with Ruby on Rails is a strong plus.
- You enjoy taking ownership of technical projects from idea to production.
- You're comfortable collaborating with Engineering, Product, Growth, Marketing and Data teams.
- You're curious about experimentation, conversion optimization and how users interact with digital products.
- You're comfortable working in French and English.
- Web analytics and tracking tools such as Segment, Amplitude or Google Tag Manager.
- A/B testing and experimentation platforms.
- SEO, web performance or conversion optimization.
- API integrations and marketing automation.
- AI-assisted development workflows.
Our tech stack
- Frontend: Vue.js, Nuxt.js, JavaScript
- Backend: Ruby on Rails
- Database: PostgreSQL
- Development: Git, GitHub
You'll also have opportunities to work with analytics, tracking and experimentation tools depending on the projects.
- To speak English (level is assessed and appreciated according to the department you’re applying to)
- To be energized by an ever-shifting work environment
- To be highly collaborative (within your team or other stakeholders)
- Sufficiently experienced to prioritize business-led actions on your day to day activity
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.
Important information for candidates
Recruitment scam attempts are on the rise. We invite you to remain vigilant during your exchanges.
Applications through official channels only : apply exclusively through our job postings published on our official platforms (career site, official partner pages).
Always verify the sender's email address: our communications are sent from professional email addresses with the domains @pennylane.com or @pennylane-partners.com
We will never ask you for payment or financial information
(bank details, payment for an interview, equipment purchases, etc.) as part of the recruitment process. If such a request is made to you, it is fraudulent. We invite you to not respond and to report it to us immediately.
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.
We are committed to providing an equal employment opportunity regardless of gender, sexual orientation, origin, disabilities, or any other traits that make you who you are. If anything, diversity makes us a more fun place to work at.
🇫🇷 Données personnelles
Pennylane traite vos données pour gérer votre candidature et évaluer votre adéquation au poste. Si votre candidature n’aboutit pas, vos données peuvent être conservées 2 ans à compter de notre dernier échange ou de la clôture du recrutement afin de constituer & gérer un vivier de candidats. Vous pouvez vous opposer à tout moment et demander la suppression de vos données en écrivant à : dpo@pennylane.com.
Notre data policy
🇬🇧 Personal Data
Pennylane processes your data to manage your application and assess your suitability for the position. If your application is unsuccessful, your data may be retained for 2 years from our last exchange or the closing of the recruitment process, in order to build and manage a candidate pool. You may object at any time and request the deletion of your data by writing to dpo@pennylane.com. Learn more
🇩🇪 Personenbezogene Daten
Pennylane verarbeitet Ihre Daten, um Ihre Bewerbung zu bearbeiten und Ihre Eignung für die Stelle zu beurteilen. Sollte Ihre Bewerbung nicht erfolgreich sein, können Ihre Daten bis zu 2 Jahre ab unserem letzten Austausch oder dem Abschluss des Rekrutierungsverfahrens gespeichert werden, um einen Kandidatenpool aufzubauen und zu verwalten. Sie können jederzeit Widerspruch einlegen und die Löschung Ihrer Daten beantragen, indem Sie an dpo@pennylane.com schreiben. Mehr erfahren
🇪🇸 Datos personales
Pennylane trata sus datos para gestionar su candidatura y evaluar su idoneidad para el puesto. En caso de que su candidatura no sea seleccionada, sus datos podrán conservarse hasta 2 años a partir de nuestro último contacto o de la finalización del proceso de selección, con el fin de constituir y gestionar una reserva de candidatos. Puede oponerse en cualquier momento y solicitar la eliminación de sus datos escribiendo a dpo@pennylane.com. Más información