fifty-five is a new kind of data company that helps brands transform with data and AI to improve their marketing operations through a combination of specialised consultancy and technology services. As the strategic data pillar of The Brandtech Group, we offer services that combine strategy consulting, cloud services, media consulting, and customer experience. You will actively take part in delivering fifty-five's data-led projects to multiple clients. Those projects will be driven by client objectives relating to data collection, customer acquisition, onsite conversion optimisation, media-mix optimisation, and digital business consulting. Responsibilities: Contributing to the promotion of a new user-centric vision of digital marketing Following an action plan marked by key milestones Ensuring data accuracy Ensuring the quality of deliverables sent to the client Overseeing operational and technical implementation Collaborating with the team to develop fifty-five's service offering, both from a marketing and technical/operational perspective Addressing challenges related to managing digital activity through key performance indicators Guiding clients in optimising their online media buying Analysing data on behalf of the client, in alignment with industry-specific business KPIs Education and Experience: Master's degree (business, engineering) or equivalent diploma 1 to 3 years experience in digital marketing, consulting firms, marketing or business intelligence software or media agencies Proficiency in key online acquisition channels: search engines (SEO, SEM, bid-management tools), display, affiliate marketing, email marketing, social media, AdExchange, etc. Understanding of the media landscape (ecosystem of advertisers / agencies / media sales houses / tech providers) Ability to understand client needs and involve the right internal experts when necessary Knowledge of key media metrics (impressions, clicks, visits, views, completion rates, etc.) Skills and Interests: Fluent in French & English and excellent communication, oral and written Strong analytical skills and knowledge of analysis, statistical software, and data visualisation tools Good business and market understanding Client-facing skills Good team spirit Strong interest in new technologies and the digital industry