Growth Engineer (Fullstack, Frontend-Focused)

Pennylane SAS

1d•Remote

About The Position

Pennylane is hiring a Growth Engineer to help build scalable, flexible, and effective digital experiences as the company expands across Europe. The role is part of the Growth Engineering team, within the Marketing Website squad, and works closely with the Growth Engineering Team Lead. It focuses on creating fast, reliable, and seamless experiences that help entrepreneurs discover Pennylane and get started, with a strong emphasis on frontend engineering and contributions across the full stack. The role develops Pennylane’s public website and acquisition journeys using Vue.js and Nuxt.js, while also maintaining fullstack features with Ruby on Rails. It combines product engineering with growth experimentation: improving registration funnels, implementing A/B tests, supporting localization and multilingual experiences, and using data about user journeys and experiment results to inform improvements. The engineer also contributes to APIs, integrations, tracking, data quality, and the technical foundations of growth initiatives. The successful candidate will take ownership of projects from technical design through production, write clean and well-tested code, and collaborate with Engineering, Product, Growth, Marketing, and Data teams. Pennylane describes the role as an opportunity to influence how prospective customers discover and adopt its product, with autonomy to propose ideas, make technical decisions, and test improvements.

Requirements

Experience in software engineering, with strong frontend development skills.
Comfort building modern web applications with Vue.js and/or Nuxt.js, or strong experience with comparable frameworks and readiness to work with Pennylane’s stack.
Fluency in AI-assisted development, including working with coding agents, creating custom skills and instructions, using worktrees to parallelize work, and maintaining code quality.
Fullstack experience and ability to contribute to backend development.
Enjoyment of taking ownership of technical projects from idea to production.
Ability to collaborate with Engineering, Product, Growth, Marketing, and Data teams.
Curiosity about experimentation, conversion optimization, and how users interact with digital products.
Comfort working in French and English.
Ability to speak English; proficiency is assessed according to the department.
Ability to work in an ever-shifting environment, collaborate with stakeholders, and prioritize business-led work.

Nice To Haves

Experience with Ruby on Rails.
Experience with web analytics and tracking tools such as Segment, Amplitude, or Google Tag Manager.
Experience with A/B testing and experimentation platforms.
Experience with SEO, web performance, or conversion optimization.
Experience with API integrations and marketing automation.
Experience with AI-assisted development workflows.

Responsibilities

Develop and improve Pennylane’s public website and acquisition journeys, focusing on frontend engineering.
Build modern, responsive, high-performing interfaces with 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.
Work 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, and use technical experimentation to improve conversion.
Develop features for international expansion, including localization and multilingual experiences.
Build and maintain APIs and integrations between internal and external tools.
Help ensure reliable data flows across the digital ecosystem.
Contribute to tracking implementations and data quality improvements.
Work with Data teams to understand user journeys and experiment results.
Write clean, maintainable, and well-tested code.
Identify opportunities to simplify and automate workflows.
Use AI-powered development tools when they provide value.
Own projects from technical design through production.
Share knowledge and contribute to engineering best practices.

Benefits

25 paid vacation days.
Competitive compensation package.
Company shares.
Budget to make a home workspace more comfortable.
Monthly allowance for coworking space.
Access through Gymlib to 8,000 fitness spaces in Europe and more than 300 wellness activities.
Access to Busuu for improving English or French.
Latest Apple equipment.
Remote work from the employee’s country of residence in Europe, subject to a maximum two-hour time difference from CET and position requirements.
Company events, including Tech Days every three months and an annual company seminar.
For employees based in France: French employment contract under French regulations, 6 to 12 RTT days, five weeks of PTO, Swile lunch credits, Alan Blue healthcare cover, and regular events in cities where employees are concentrated.