Senior Data Analyst
WIZELINE
Barcelona, Spain
12 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Experience level
SeniorJob location
Barcelona, Spain
Tech stack
Artificial Intelligence
Data analysis
Google BigQuery
Data Governance
ETL
Data Migration
Data Structures
Data Systems
Performance Tuning
SQL Databases
Tableau
Snowflake
Job description
- Analyze existing queries and dashboards in Athena, BigQuery and Tableau Server to understand current data structures and reporting logic.
- Rewrite and optimize SQL queries and ETL processes to transition from Athena and BigQuery to Snowflake.
- Conduct quality assurance activities to ensure new Snowflake-based data sources and dashboard metrics match existing Athena and Big Query data sources and dashboards.
- Develop and maintain Tableau dashboards and reports connected to Snowflake, ensuring data accuracy and performance.
- Collaborate with cross-functional teams, including data engineers, analysts, and business stakeholders, to gather requirements and deliver data solutions to meet organizational needs.
- Create comprehensive documentation for data sources, ETL processes, and reporting solutions, * A High-Impact Environment
- Commitment to Professional Development
- Flexible and Collaborative Culture
- Global Opportunities
- Vibrant Community
- Total Rewards
Requirements
Do you have experience in Tableau?, * 6+ years of proven expertise as a Data Analyst or Analytics Engineer with previous experience with data migration projects, particularly transitioning from Athena and BigQuery to Snowflake.
- Advanced skills in Tableau for dashboard development and report creation.
- Advanced proficiency in SQL and experience with ETL tools and methodologies.
- Experience with performance tuning and optimization in both Snowflake and Tableau environments.
- Excellent problem-solving abilities and attention to detail.
- Strong communication skills, with the ability to collaborate effectively with technical and non-technical stakeholders.
Nice-to-have:
- AI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.
- Familiarity with data governance and security best practices.
- Certifications in Snowflake and/or Tableau.
About the company
Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.