j
julius1_charles

Charles J

@julius1_charles
5,0(3)

Software Engineer, Data Engineer, AI and ML Developer

Quênia
Inglês
Algumas informações são exibidas no idioma inglês.
Sobre mim
Results-driven Software & Data Engineer with hands-on experience across the full data lifecycle — from pipeline design and SQL analytics to Python backend development and BI reporting. Skilled at turning complex data into actionable business insights and building reliable, scalable systems. Experienced working in professional roles, with a strong foundation in Agile delivery, cloud-native tools, and AI/ML integration.... Saiba mais

Habilidades

j
julius1_charles
Charles J
offline • 

Conheça meus serviços

Sites Personalizados
I will build a responsive, modern website for your business or portfolio
Desenvolvimento Multiplataforma
I will build a professional mobile app for android and ios and publish to play store

Portfólio

Experiência profissional

Data Analyst Intern (SQL)

Windle • Período integral

Jan 2023 - Aug 2023 • 7 mos

Wrote complex SQL queries across PostgreSQL databases to extract, clean, and analyse business datasets for weekly management reporting. Built and maintained ETL pipelines that pulled data from multiple source systems into a central data warehouse, reducing manual data preparation time by 35%. Created data quality checks using SQL (NULL validation, duplicate detection, row count reconciliation) to ensure pipeline integrity across all reporting tables. Collaborated with senior analysts to design dashboard-ready summary views and aggregation tables consumed by Power BI reports. Documented SQL query logic and pipeline steps, improving team knowledge sharing and onboarding efficiency.

3 Avaliações
5,0

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Classificação detalhada
  • Nível de comunicação do freelancer
    5
  • Qualidade da entrega
    5
  • Valor da entrega
    5
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    H

    honpatel

    US

    Estados Unidos

    Colaboração contínua
    5

    Amazing work, I will definitely hire again

    US$ 50

    $

    1 dia

    Tempo

    Útil?
    Sim
    Não
    H

    honpatel

    US

    Estados Unidos

    Colaboração contínua
    5

    Very exception work, would recommend

    US$ 50

    $

    1 dia

    Tempo

    Útil?
    Sim
    Não
    B
    image-docs

    brandon_wuzehao

    SG

    Singapura

    5

    Got the job done and willing to accommodate to urgent request

    US$ 50-US$ 100

    $

    4 dias

    Tempo

    Útil?
    Sim
    Não