Senior Business Data Analyst

seniorbusiness data analystSQLPythonRBigQueryMySQLETLAILLMClaudedata visualizationTableauLookerPower BIExcelSheetsdata scienceadTechautomationprompt engineeringhybrid

Key details

Salary

Not specified

Employment type

Full-time

Seniority

Senior

Years experience

3-5

Location

Madrid, Spain

Full job description

Senior Business Data Analyst role based in Madrid with hybrid work model. Responsible for owning business data, conducting analyses to improve KPIs, designing AI-driven automation tools using Claude LLM, and building data democratization interfaces. Collaborate with stakeholders to solve complex data and AI use cases and develop business acumen in adTech. Requires Bachelor's or Master's in relevant fields, 3-5 years experience, advanced SQL, Python or R, knowledge of BigQuery, MySQL, ETL, AI/LLM usage, and data visualization tools (Tableau, Looker, Power BI). Strong analytical, communication, and collaboration skills needed. Benefits include flexible schedules, learning opportunities, health insurance, wellness programs, and flexible benefits.

What you'll do

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)
Build tools and AI-assisted interfaces to democratize data within the company for instant visibility and informed decision-making
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 optimize business processes
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

Tech stack

SQLPythonRBigQueryMySQLETLClaudeTableauLookerPower 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 such as 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