Data analyst

Wall Street English is looking for a Data Analyst to join our Data Analytics and BI team in Barcelona, Spain. Reporting to the Director of Analytics and BI, you will work directly with multiple Product teams. You will lead projects from start to finish with moderate support. We are looking for a proactive self-starter who will champion data-driven decisions within Product. This role offers many chances to build skills across disciplines as we find new ways to drive growth and profitability.

• Manipulate and explore new datasets to uncover insights.
• Conduct A/B test analysis and prepare comprehensive reports.
• Design, build, and improve dashboards and reports with high-quality visualizations.
• Deliver actionable insights to Product Managers and multiple Product teams.
• Define KPIs, measure feature performance, and support product decisions with data.
• Identify where data can solve problems within product systems, including opportunities to prototype AI and ML solutions.
• Use AI tools, such as LLM assistants and AI-assisted coding, to accelerate analysis, queries, documentation, and reporting.
• Critically validate AI outputs before relying on them.
• Help Product teams adopt AI-enabled analytics and self-serve data, building data literacy along the way.
• Follow an Agile methodology and keep workload and progress transparent.

• Degree in a STEM subject or equivalent practical experience.
• 3 to 5 years of professional experience in an analytics role.
• Advanced SQL and Excel skills.
• Strong data visualization skills, such as Power BI.
• Experience with Python or R.
• Experience with web and app tracking data.
• Practical experience using AI assistants, with the judgment to verify their outputs.
• Native or bilingual English.
• Будет плюсом: Experience with data warehouses, such as Redshift; Familiarity with modern data stack tools, such as dbt and cloud warehouses; Prompt design or building simple AI-powered workflows and automations; Understanding of data privacy and responsible AI use, including GDPR and keeping sensitive data away from external tools

• 2 days in the office, 3 days working from home. The office is located in Barcelona’s city center.