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Location
In office (Geneva)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Aug 14, 2026. fifty-five scores A on the Alion truth index.

Overview
Company
Impact
Profile match
fifty-five is a Paris data company founded in 2010 by former Google employees. It helps brands collect, govern and activate first-party data for measurement and media performance. Part of the You & Mr Jones group, it works from Paris, London, Geneva, Hong Kong, Shanghai, Singapore and New York.

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 specialized 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.

We are made up of over +320 digital experts. Digital consultants, tracking and media specialists, engineers and data scientists all work in close collaboration to provide senior-level marketing consultancy and technical support to our clients, in every type of industry, all around the world.

As a partner to advertisers from data collection to activation and exploitation, we help organizations become truly omnichannel entities that control the efficiency of their digital ecosystem and its synergies with the physical world.

Headquartered in Paris, we operate across 3 time zones from our 10 offices, located in Paris, London, Geneva, Milan, Shanghai, Hong Kong, Shenzhen, Taipei, Singapore and New York. fifty-five attaches particular importance to the well-being of its employees, which enabled it to be included in the Best Workplaces France ranking in 2018.

Within the consulting team based in Geneva, 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. During these projects, you will contribute to promoting a customer-centred vision of digital marketing, based on the systematic and methodical use of data to support decisions. You will work across multiple industries including luxury, FMCG, sport, and beauty.

You will report to a Local Executive Director and will work closely with Product, Engineering and Operations Teams based in Paris. As a data analyst and consultant, you will follow an action plan, issuing step-by-step the deliverables required for successful delivery of the project. You will guarantee the integrity of analytics data as well as its analysis and interpretation in working with your team and client.

You will be responsible for the content, the format and overall quality of the outputs delivered to the client and for monitoring their operational and technical implementation where required. Based on your good understanding of our projects and our clients’ needs, you will collaborate with all our teams to develop fifty-five's offer, both in terms of marketing and in terms of technical and operational delivery.

Responsibilities

  • Deliver projects related to the monitoring of the client’s digital activity based on key performance indicators (reporting), to onsite conversion optimization through data analysis and webtesting, to online media buy optimization and CRM.
  • Analyse data and structure relevant information for the client's benefit, in consistency with business indicators specific to their industry (eg. mobile operators, retail, travel, etc.)
  • Develop a sharp operational expertise on both conversion and online media-buy topics
  • Meet clients' needs and pay strong attention to the quality of all deliverables
  • Occasional travel possible, within Switzerland or abroad (including Paris)

Education and Experience

  • Master’s degree (business, engineering) or equivalent diploma
  • Experience in digital marketing, consulting firms, marketing or business intelligence software, or media agencies
  • Working with web analytics tools
  • Knowledge of the main online acquisition channels: SEO, SEM and bidmanagement, display and programmatic, affiliates, email and social media

Skills and Interests

  • Fluent in French & English and excellent communication, oral and written
  • Strong analytical skills and knowledge of analysis, statistical software and data vizualization tool
  • Good business and market understanding
  • Client-facing skills
  • Good team spirit
  • Strong interest in new technologies and the digital industry

55 provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion.

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