Summary
Overview
Work History
Education
Skills
Websites
Timeline
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KENNEDY WANJALA JUMA

KENNEDY WANJALA JUMA

Data Scientist
Nairobi

Summary

Detail-oriented and analytical professional with a strong foundation in data science and analytics, honed through Moringa School's Data Science program. Skilled in data manipulation, visualization, and predictive modeling using tools such as Power BI, Advanced Excel, MSSQL, and Qlik software. Proficient in leveraging SQL for database querying, Excel for advanced data analysis, and Power BI for creating interactive dashboards to support business decision-making. Adept at transforming raw data into actionable insights, with a keen interest in applying technical expertise to optimize organizational processes as a Data Analyst.

Overview

1
1
year of professional experience

Work History

Freelancing

Fiverr
01.2024 - Current
  • As a freelancer, delivered high-quality, data-driven solutions for 15+ clients, meeting 100% of deadlines and boosting client satisfaction by 30%.
  • Adapted to shifting project requirements across 20+ assignments, maintaining a 95% on-time delivery rate under tight timelines.
  • Developed custom machine learning models (e.g., predictive algorithms, clustering) for 10+ clients, increasing their operational efficiency by up to 25% and securing 5 repeat contracts and 3 referrals.
  • Strengthened relationships with 12+ clients through consistent updates, reducing follow-up inquiries by 40%.
  • Created data visualizations using Python, Tableau, and Power BI for 8 projects, improving client decision-making speed by 35%.
  • Optimized workflows with task management strategies and Excel VBA automation, cutting project turnaround time by 20% for 15 datasets.
  • Performed data analysis on datasets averaging 50,000+ rows using Excel and Python, delivering insights that improved client ROI by 15-30% across 10 engagements.

Education

Nanodegree - Data Science

Moringa School
Nairobi
04.2001 -

Bachelor of Arts - Economics And Psychology

University of Nairobi
Nairobi
04.2001 -

High School Diploma -

Teremi High School
Kimilili
04.2001 -

Skills

  • Machine learning

  • Modelling

  • Data Analysis

  • Business Intelligence(Power BI, Qlik Software)

  • Databases(SQL, MSSQL)

  • Spreadsheets(Advanced Excel)

  • Visualization

Timeline

Freelancing

Fiverr
01.2024 - Current

Nanodegree - Data Science

Moringa School
04.2001 -

Bachelor of Arts - Economics And Psychology

University of Nairobi
04.2001 -

High School Diploma -

Teremi High School
04.2001 -

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KENNEDY WANJALA JUMAData Scientist