Growth Software Engineer

At Joko, our mission is to we help consumers save time and money when shopping online or in-store. Founded in Paris, Joko is a tech company and certified B Corp with over 105 talents across Paris, Barcelona, and New York (and beyond). More than 6 million users already save money every day at 10,000+ merchants with Joko. From cashback and automatic coupons to price alerts, we've kept expanding our products to make shopping smarter. Today, Joko is an AI shopping app: with Juno, our shopping assistant, users can find the right product at the best price in only a few seconds, with recommendations that get sharper the more they use it. Having reached profitability in our core market, we’re now scaling globally, with a strong focus on the US. It’s still day 1, come build the future of shopping with us! This position is remote-friendly (France and Spain). 📱OUR ENGINEERING TEAM Our Engineering team excels at solving cutting-edge technical challenges with elegant solutions. With a strong focus on product innovation and design, they are shaping the future of the shopping experience. Their ambition is to have a positive impact on the everyday lives of hundreds of millions of users around the world. Software Engineers in the Engineering team work hand-in-hand with the Product team, from exploration, design, and roadmap prioritization to implementation, and deployment in production. At Joko, we have firsthand experience that teams with engineers who possess a diverse range of skills, and where engineering and product collaborate closely, are able to deliver a truly delightful and innovative user experience. The Engineering team is currently growing fast to continuously innovate on all parts of our product and tech stack and to empower the revolution of the way people shop online. 🎯 WHAT YOU WILL DO As a Growth Software Engineer, you will be the driving force behind scaling Joko's user and business growth through code. You will work hand-in-hand with the Product team, iterating fast on high-impact levers — acquisition, retention, engagement — across France and our international expansion, starting with the US. You will operate at the intersection of product and engineering to move the business forward at speed, within a dedicated cross-functional task force bringing together key members from Marketing, Data, Business, and Product. - Growth experimentation: You will design, build, and ship experiments across the full user journey — from onboarding to retention — to drive significant impact on key growth metrics. You will quantify impact, iterate on what works, and kill what doesn't, fast. - Engagement & product complexity: You will work on ambitious features like gamification, personalization, and cross-feature engagement to deepen user connection with Joko's increasingly complex product surface. - AB testing & data-driven development: You will build and run AB tests at scale, instrument features for measurement, and partner closely with the Data team to make every decision evidence-based. - Fast prototyping: You will move quickly, put prototypes in front of users, gather feedback, and iterate. You will thrive on short cycles and learning loops. - Cross-functional collaboration: You will be the natural bridge between business, product, and technical stakeholders. You will translate business challenges into engineering solutions, surface technical constraints that shape product decisions, and ensure alignment across teams so that growth efforts move fast without friction. - International expansion: Depending on priorities, you may also play a role in Joko's expansion into new markets, adapting the product to local contexts and helping our infrastructure scale across geographies. 👀 WHO WE'RE LOOKING FOR - Experience: You have at least 3 years of software engineering experience in a fast-paced environment, ideally in a B2C product. - Track record: You've worked with real production constraints, ideally in a B2C product used by hundreds of t…