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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Growth Engineer - Data & Tracking - **Company:** Pennylane - **Location:** France (Remote available) - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), A/B Testing, Application Programming Interfaces (APIs), Data Analysis, Software Quality, Databases, Data Integration, Data Warehousing, Github, PostgreSQL, Ruby on Rails, Software Engineering, SQL Databases, Data Streaming, Systems Integration, Google Tag Manager, Backend, Git, Vue.js, Data Layers, Tools for Reporting, Front End Software Development, User Identification - **Published:** November 5, 2026 - **Apply:** https://startup.jobs/growth-engineer-data-tracking-pennylane-sas-8351958 ## About the Role Someone who enjoys solving technical problems, working with different teams and making sure that business decisions are based on data people can trust. You don't need to be a data scientist or a marketing specialist. But you should be comfortable working at the intersection of software engineering, analytics and growth., * You have a software engineering experience, with hands-on exposure to tracking, analytics or data integrations. * You have implemented and maintained event tracking across websites, applications or acquisition funnels. * 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're familiar with tools such as Segment, Amplitude, Google Tag Manager or similar platforms. * You understand event schemas, data layers, user identification and tracking consistency. * You're comfortable working with JavaScript and APIs to implement and troubleshoot tracking. * You care about code quality, reliability and maintainability. * You enjoy taking ownership of technical projects, from design to production. * You're comfortable working in French and English. ## Description 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., You'll join our Growth Engineering team and work closely with Thomas, our Growth Engineering Team Lead, within the Marketing Website squad. Your mission ? Make sure we collect the right data, trust what we measure and turn insights into better growth decisions., You'll own the technical implementation and reliability of tracking across our website and acquisition funnels. * Design, implement and maintain tracking plans across key user journeys. * Build and improve event tracking, user identification and data collection. * Work with tools such as Segment, Amplitude and Google Tag Manager. * Ensure tracking consistency, accuracy and reliability across our digital ecosystem. * Identify and resolve tracking issues before they impact business decisions. Connect data across our growth ecosystem You'll help build the technical connections between our website, internal systems and analytics tools. * Develop and maintain APIs and integrations between platforms. * Ensure reliable data flows between our acquisition, product and analytics tools. * Collaborate with Data teams to improve data quality and consistency. * Support the evolution of our tracking architecture as Pennylane scales internationally. Power experimentation and conversion You'll work closely with Growth, Marketing and Data teams to understand user behavior and improve acquisition performance. * Implement the technical foundations for A/B testing and experimentation. * Help measure acquisition funnels and identify opportunities for improvement. * Ensure experiments are properly tracked and measurable. * Translate business questions into clear technical tracking requirements. * Support data-driven decisions through reliable instrumentation. Contribute as an engineer This is an engineering role, not a reporting or dashboarding position. You'll be expected to bring strong technical fundamentals and take ownership of your work. * Write clean, maintainable and well-tested code. * Build scalable and reliable technical solutions. * Investigate complex tracking and data issues. * Improve existing systems, processes and documentation. * Collaborate with engineers across Growth, Engineering and Data teams. * Contribute to technical decisions and engineering best practices., * Ruby on Rails, Vue.js or Nuxt.js. * SQL and data warehouses. * Server-side tracking and conversion APIs. * A/B testing and experimentation platforms. * Attribution, conversion measurement or acquisition analytics. * Privacy-conscious tracking and consent management. * International websites and multi-market acquisition funnels., * Frontend: JavaScript, Vue.js, Nuxt.js * Backend: Ruby on Rails * Database: PostgreSQL * Development: Git, GitHub * Analytics & Tracking: Segment, Amplitude and other analytics tools, depending on the project You'll collaborate closely with our Data teams and contribute to the evolution of our growth tracking infrastructure., * Technical ownership: You'll contribute to the architecture and reliability of our tracking ecosystem. * Engineering standards: You'll work on technical challenges that require the same level of rigor as our other engineering teams. * Cross-functional exposure: You'll collaborate with Growth, Marketing, Engineering and Data. * International scale: You'll help build the data foundations needed to support our expansion across Europe. * Continuous improvement: You'll have room to challenge existing implementations, propose better solutions and improve how we measure growth., * 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) 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