fifty-five

Data Engineer

• You will join the engineering team to take part in the design and development of these agent-driven applications:
• Structuring agents,
• Integrating them with our existing data and systems,
• Implementing tests and safeguards,
• Deploying to the Cloud (Google Cloud Platform).
• You will also use generative AI tools as daily development accelerators — a common practice within the team.
• Your mission will include experimenting with and evaluating how these tools (Cursor, Claude Code, Copilot...) can optimize each stage of our projects: design and architecture, test automation, code review, documentation and deployment.
• Depending on the team’s needs, you may also work on data topics (processing, structuring data) and cloud topics (deploying applications on Google Cloud Platform).
• By the end of your internship, you will have learned how to design and industrialize an application based on AI agents, integrate it cleanly into a production environment, process data natively in the Cloud, and gain hands-on experience deploying applications on Google Cloud Platform.

Data & AI Engineer Intern

Consultant

• Delivering a variety of missions that could include: Developing a digital strategy, monitoring digital behavior using key performance indicators, onsite conversion optimization through analysis and testing, or online media buying optimization.
• Develop a sharp operational expertise about conversion and online media-buy topics
• Meet clients’ needs and pay strong attention to the quality of all deliverables
• Utilize cloud platforms such as Google Cloud Platform’s BigQuery to conduct in-depth data analysis and generate actionable insights.
• Employ data visualization tools like Looker Studio to create and maintain interactive dashboards that effectively communicate data-driven insights to stakeholders.
• Work with 55 and client teams and customers to design the technical architecture for the ecosystem of marketing tools (Google Analytics 4,, Data Management Platforms, Tag Management Solutions, Adobe Marketing & Analytics Clouds, CDPs, etc.) in order to enable the implementation of new consumer experience & marketing use cases.
• Work with 55 Data Science and Engineering teams to scope and check typical machine learning and AI project requirements.
• Work with 55 Engineering team to communicate engineering or technical deliverables in ways that clients and stakeholders across disciplines can understand.

Senior Digital Analytics Consultant

Data Analyst

• Responsibilities:
• You will rely on your technical expertise with web analytics solutions and Tag Management Systems (TMS) to carry out a variety of assignments for our clients.
• Your role will include:
• Implementing the technical phase of tracking implementations for clients’ websites, mobile sites, or apps—from requirements gathering to the actual collection of data for which you ensure quality and reliability;
• Managing projects in close contact with clients (ensuring project progress, schedules, test strategy, deliverables) on Analytics and Media data-collection issues;
• Sharing your knowledge and know-how with clients and internally;
• Maintaining continuous communication with the various stakeholders on the client/integrator side;
• Developing highly operational expertise (TMS & Analytics);
• Identifying and developing new business opportunities in collaboration with the consultants responsible for the account;
• Contributing to the definition of the company’s internal products and tools;
• Participating in the design and positioning of fifty-five’s technology offering.

Data & AI Engineer Intern

Senior Digital Analytics Consultant

Tracking and Analytics Specialist