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Josiah
@aquinas_josiah
Data Engineer
Quênia
Inglês
Sobre mim
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.
Habilidades
Josiah
offline •
Tempo médio de resposta: 1 hora
Conheça meus serviços
Consultoria em data analytics
I will clean and analyze your data using excel, sql and python
Desenvolvimento de Banco de Dados
I will write sql queries and manage your postgresql database
Portfólio
Experiência profissional
Data analyst & Data Engineer
Freelancing Career • Período integral
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.
