[Job - 30903] Senior Data Analyst (Martech), Brazil

At CI&T, we help large companies transform the potential of AI into real business impact with AI Deployment, AI-native execution and tech-integrated business solutions.

With 30 years of experience in technological transformation, we accelerate innovation with expertise in agentic SDLC, application modernization, Data & AI, martech and business strategy.

We are 8,000 CI&Ters in more than 25 countries, collaborating to build solutions with real impact. AI is already part of the way we work, evolve and innovate every day.

CI&T is looking for a Data Analyst (Martech) to join the Digital Data team of a reference client in the Financial Services and Insurance sectors. The position arises from a strategic plan to accelerate data and digital growth, focusing on media and digital channels — a moment of relevant expansion, in which the quality of the data collected is a direct basis for business decisions.

The professional person will act as a specialist in tagging and digital measurement, being the technical link between business initiatives and the data structure. Will have direct responsibility for the integrity of data collection across the client's digital channels — including app, web, and media platforms — and will actively collaborate with the data engineering team in building and refining the analytical layers.

Responsibilities:

• Architects digital information, structuring data models that support consistent collection across multiple channels.
• Architect MarTech solutions, defining the technical structure for collecting and integrating media and digital behavior data.
• Collects and manages digital data from applications, web and media platforms, ensuring consistency between sources.
• Implements and manages MarTech tags, ensuring correct tracking of digital events and interactions.
• Ensures the integrity of digital data, validating the quality of collection and correcting identified inconsistencies.
• Configures MarTech tools, adapting them to the specific measurement needs of the business.
• Recommends conversion rate optimization (CRO) actions based on analysis of digital behavior data.
• Set up A/B tests and experiments, supporting data-driven product decisions.
• Set up surveys throughout the customer journey, capturing qualitative insights across digital touchpoints.
• Configures gradual launches (rollouts) via MarTech tools, controlling the exposure of features to different audiences.
• Provides technical consultancy to stakeholders, guiding business areas on feasibility, risks and best digital measurement practices.

Requirements for this challenge:

• Experience with tagging and digital measurement on web and mobile platforms, with mastery of tag management systems (e.g.: GTM, GTM Server-Side).
• Mastery of digital analytics tools (e.g.: GA4, Amplitude, Data Studio) for collecting, validating and analyzing digital behavior data.
• Experience in data manipulation with JavaScript, Python and SQL.
• Knowledge of MarTech and AdTech concepts applied to digital channels (application, web, media).
• Experience with metrics and analytics for mobile applications (e.g. Firebase, AppsFlyer).
• Knowledge of data management concepts and good governance practices.
• Experience with agile methodologies (Scrum, Kanban) in multidisciplinary teams.

Differences:

• Experience with conversion rate optimization (CRO) tools such as WVO and Hotjar and setting up A/B tests.
• Knowledge of Customer Data Platforms (e.g.: Salesforce, Tealium).
• Familiarity with consent management platforms, such as OneTrust.
• Notions of mobile development (Kotlin, Swift) for technical collaboration with mobile engineering teams.
• Experience with Big Data solutions in the cloud (GCP, AWS or Azure).
• Previous experience in the Financial Services or Insurance sector.

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