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Koin

Senior Data Analyst

Koin

Senior Data Analyst creating complex SQL queries and dashboards for data-driven decision making. Join Koin in advancing fintech solutions across Latin America with a hybrid work model.

Posted 7/10/2026full-timeSão Paulo • 🇧🇷 BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in SQL for complex query development and optimization, alongside proficiency in data visualization tools like Power BI and Tableau. Capable of translating business questions into actionable insights while employing strong problem-solving and critical thinking skills.

Highest-signal resume keywords
Expert SQL DevelopmentData Visualization (Power BI, Tableau)Intermediate Python for Data AnalysisA/B Testing Design and AnalysisMarketing Automation Tools (Salesforce Marketing Cloud)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
SQL Query OptimizationData AnalysisExcel (Formulas, Pivot Tables, Charts)Data Segmentation and ClusteringExperiment Design (A/B Testing)
Soft Skills
Problem-SolvingCritical ThinkingProactive MindsetTeam CollaborationOwnership Mindset
Tools & Technologies
Power BITableauPythonSalesforce Marketing CloudAppsFlyerGA4
Industry Keywords
Data ScienceStatisticsFintechMarketing AnalyticsProduct Analytics

Tech Stack

Tools & technologies
CloudPythonSQLTableau

About the role

Key responsibilities & impact
  • Develop complex SQL queries (multiple tables, CTEs, window functions) on large datasets
  • Create and maintain Marketing and Product dashboards (Power BI, Tableau or similar)
  • Translate ambiguous business questions into structured, actionable analyses
  • Proactively identify opportunities for growth, optimization, and efficiency
  • Support investment decisions in channels, campaign segmentation, and product
  • Design and analyze experiments (A/B tests) that validate growth hypotheses
  • Segment and cluster user bases

Requirements

What you’ll need
  • Bachelor's degree or higher in Data Science, Statistics, Mathematics, Engineering, or related fields
  • Expert in SQL for creating and optimizing queries in relational databases and unstructured data stores
  • Expert with Excel, including formulas, pivot tables, and charts
  • Experience with data visualization tools such as Power BI, Tableau, or similar
  • Intermediate knowledge of Python for automation and large-scale data analysis
  • Strong problem-solving skills and critical thinking
  • Ability to work autonomously with proactivity and an ownership mindset
  • Ability to work collaboratively in a team environment
  • Preferred: Previous experience analyzing data in marketing/product environments
  • Experience in fintechs
  • Experience with marketing automation tools (e.g., Salesforce Marketing Cloud)
  • Knowledge of product analytics and event-tracking tools (preferably AppsFlyer and GA4)

Benefits

Comp & perks
  • Life insurance
  • Health and dental insurance
  • Transportation allowance
  • Meal and grocery allowances (VR + VA)
  • Childcare assistance
  • Extended parental leave
  • Access to TotalPass or Wellhub
  • WFA (Work From Anywhere)
  • Discounts on Decolar.com
  • Discounts with Golden Farma
  • Home office allowance