Business Data Analyst

business data analystSQLPythonRBigQueryMySQLETLAILLMsClaudedata visualizationTableauLookerPower BIExcelSheetsdata analysisprompt engineeringadTechautomationbusiness intelligence

Key details

Salary

Not specified

Employment type

Full-time

Seniority

Mid-level

Years experience

3-5

Location

Madrid, Spain

Full job description

Business Data Analyst role based in Madrid with full ownership of business data. Responsibilities include analyzing performance of contextual advertising products, proposing initiatives to improve results, designing and deploying AI-driven automation tools using Large Language Models (Claude), building data democratization tools, and collaborating with business stakeholders to solve complex data use cases. Requires 3-5 years experience, advanced SQL skills, proficiency in Python or R, knowledge of BigQuery and MySQL, ETL experience, AI and prompt engineering skills, and data visualization expertise (Tableau, Looker, Power BI). Strong analytical, problem-solving, communication, and collaboration skills needed. Benefits include flexible hybrid work model, professional development, well-being initiatives, health insurance, and other perks.

What you'll do

Full ownership of business data and proposing analyses to transform data into business opportunities and KPI improvements
Analyze performance of current Contextual products and processes and propose initiatives to improve commercial and operational results
Design, build, and deploy tools that automate internal processes leveraging AI and Large Language Models (Claude)
Help build tools and AI-assisted interfaces to democratize data inside the company for instant visibility and informed decisions
Collaborate closely with business stakeholders to solve complex use cases with data and AI
Develop strong business acumen and knowledge of the adTech ecosystem

Requirements

Bachelor's or Master's degree in Business, Economics, Mathematics, Computer Science, or Engineering
Certifications/education in Data, Business Intelligence, or Artificial Intelligence are a plus
3–5 years of experience in a fast-paced environment (scale-up, corporate, or consulting)
Advanced skills in SQL for data extraction, transformation, and analysis
Experience with Python or R for data analysis, manipulation, and API integrations
Knowledge of database management systems such as BigQuery and MySQL
Experience with ETL processes and tools
Proven experience or strong knack for utilizing AI/LLMs (such as Claude) to automate workflows and build internal analytical tools
Experience with data visualization tools such as Tableau, Looker, Power BI, or similar
Strong knowledge of Excel/Sheets
Strong analytical and problem-solving skills
Ability to collaborate with business stakeholders to identify information needs and design AI-driven or analytical solutions
Excellent communication and presentation skills to convey complex data and AI concepts to non-technical stakeholders

Tech stack

SQLPythonRBigQueryMySQLETLClaudeAILLMsTableauLookerPower BIExcelSheets

Benefits

Accelerated, hands-on development with real ownership, global projects, and internal mobilityFlexible schedules and hybrid work model (work from home, office, or preferred location)Access to online learning, continuous training, and optional English or Spanish group classesWell-being initiatives including SeedDay, Digital Disconnection, and team-building momentsGlobal events, offsites, celebrations, and strong sense of belongingFlexible benefits plan (restaurant, transportation, kindergarten vouchers)Health insurance coverageGympass access to wellness and fitness programsSeedsave Program with exclusive discounts