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Josiah
@aquinas_josiah
Data Engineer
Kenia
Englisch
Über mich
I’m a Data Analyst and Data Engineer with 3+ years of experience helping businesses transform raw data into clean, reliable, and actionable information.
I work with SQL, Python, PostgreSQL, Pandas, Excel, Tableau, APIs, and ETL. I can help with data cleaning and analysis, SQL queries, dashboards and visualization, database management, API data extraction, and ETL pipelines.
My focus is simple: accurate work, reliable solutions, clear communication, and delivering data that helps clients make better decisions.
Kompetenzen
Josiah
offline •
Durchschnittliche Antwortzeit: 1 Stunde
Meine Dienstleistungen
Datenanalyse-Beratung
I will clean and analyze your data using excel, sql and python
Datenbank-Entwicklung
I will write sql queries and manage your postgresql database
Portfolio
Arbeitserfahrung
Data analyst & Data Engineer
Freelancing Career • Vollzeit
Feb 2023 - Present • 3 yrs 7 mos
Analyze, clean, and transform business data using SQL, Python, Pandas, Excel, and PostgreSQL. Perform exploratory data analysis, identify trends, develop reports and Tableau visualizations, and prepare reliable datasets for business decision-making. Develop and maintain ETL workflows for extracting, transforming, validating, and loading data from multiple sources. Work with APIs, relational databases, data modelling, data-quality checks, and pipeline automation to deliver accurate, analysis-ready data.
