James Windie Ansah

James Windie Ansah

Data Analyst
Germany
English, German

نبذة عني

Data Analyst with 5+ years of experience delivering data-driven insights, building dashboards, and improving reporting processes across finance, operations, and technology environments. Proven ability to transform large,…

الخبرة

Data Analyst Intern

Webeet.io — Berlin, Germany

Built and maintained 5+ interactive dashboards, enabling real-time KPI tracking and faster decision-making
Developed automated ETL pipelines processing 10,000+ records, improving data reliability and reducing manual work by 30%
Wrote complex SQL queries to extract, transform, and analyse large datasets
Conducted in-depth analyses to identify trends and deliver actionable insights to product and engineering teams
Collaborated with stakeholders to refine data requirements and ensure reporting relevance
Improved reporting efficiency, reducing insight delivery time by 25%

Logistics Operations Analyst

Hive Technologies — Berlin, Germany

Analysed operational datasets across 300–500 daily transactions, identifying trends and inefficiencies
Built reporting tools improving KPI visibility and operational performance tracking
Cleaned and validated multi-source data, improving reporting accuracy and consistency
Identified process inefficiencies, contributing to 20% improvement in workflow efficiency
Delivered insights to stakeholders to support data-driven operational decisions

Production Line Lead (Data & Quality Focus)

Tesla — Berlin, Germany

Analysed production data to identify trends, anomalies, and performance gaps
Contributed to data-driven improvements reducing defects and improving process reliability
Monitored KPIs and supported continuous improvement initiatives

Operations & Data Reporting Officer

National Investment Bank — Accra, Ghana

Produced regulatory and performance reports, improving turnaround time by 15%
Ensured 100% data accuracy and compliance through validation processes
Identified inconsistencies and improved data quality frameworks

Business Analyst

Dalex Finance — Accra, Ghana

Analysed financial datasets to identify trends and support business decisions
Reduced loan default rates by 15% through data-driven insights
Built dashboards and reports improving visibility into business performance
Defined KPIs and delivered insights to stakeholders

Data Analyst Intern

Webeet.io

Built and maintained 5+ interactive dashboards, enabling real-time KPI tracking and faster decision-making, Developed automated ETL pipelines processing 10,000+ records, improving data reliability and reducing manual work by 30%, Wrote complex SQL queries to extract, transform, and analyse large datasets, Conducted in-depth analyses to identify trends and deliver actionable insights to product and engineering teams, Collaborated with stakeholders to refine data requirements and ensure reporting relevance, Improved reporting efficiency, reducing insight delivery time by 25%

Logistics Operations Analyst

Hive Technologies

Analysed operational datasets across 300–500 daily transactions, identifying trends and inefficiencies, Built reporting tools improving KPI visibility and operational performance tracking, Cleaned and validated multi-source data, improving reporting accuracy and consistency, Identified process inefficiencies, contributing to 20% improvement in workflow efficiency, Delivered insights to stakeholders to support data-driven operational decisions

Production Line Lead (Data & Quality Focus)

Tesla

Analysed production data to identify trends, anomalies, and performance gaps, Contributed to data-driven improvements reducing defects and improving process reliability, Monitored KPIs and supported continuous improvement initiatives

Operations & Data Reporting Officer

National Investment Bank

Produced regulatory and performance reports, improving turnaround time by 15%, Ensured 100% data accuracy and compliance through validation processes, Identified inconsistencies and improved data quality frameworks

Business Analyst

Dalex Finance

Analysed financial datasets to identify trends and support business decisions, Reduced loan default rates by 15% through data-driven insights, Built dashboards and reports improving visibility into business performance, Defined KPIs and delivered insights to stakeholders

المهارات

بوستجريس كيو إل بايثون (لغة برمجة) الإحصاء تحليل البيانات جودة البيانات باور بي آي تابلو قواعد البيانات SQL Data Visualisation Metabase Dashboards & Reporting Data Engineering ETL pipelines Snowflake BigQuery Tools AWS S3 Databricks Git CTEs Joins pandas Exploratory analysis KPI tracking Dashboard design Reporting automation DBT Data modelling Validation Data cleaning Consistency checks Trend analysis Hypothesis thinking
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