j
jason_gisoya

Alex

@jason_gisoya
4.5(23)

Power BI Dashboard and Reports, DAX, Data Modeling, Microsoft Fabric

Kenya
English, Swahili
About me
Senior BI Consultant & Analytics Engineer | 5+ years turning raw data into trusted insights. I build on the Microsoft stack — Power BI & Advanced Excel, Microsoft Fabric, Azure, Power Automate — connecting multiple data sources into a unified semantic model: one source of truth for your whole organisation. Industries: FMCG, Financial Reporting (P&L, B/S, Budget vs Actuals), NGOs & M&E (LogFrame, donor reporting). DAX · Data modelling · ETL · SQL · Python · Power Query · Dataflows. Delivered for FMCG, NGO, and finance clients across America and beyond. Message me before you order... Read more

Skills

j
jason_gisoya
Alex
Offline • 
Average response time: 1 hour

See my services

Graphs & Charts
I will do data analysis and visualization using excel
4.5(17)
Data Dashboards
I will design a power bi dashboard with dax data modelling and etl
5.0(6)

Portfolio

Work experience

Coca-Cola_South Africa

Senior Data Analyst

Coca-Cola South Africa • Full-time

Jun 2024 - Present2 yrs 1 mo

Lead analyst on the Coca-Cola Beverages Africa (CCBA Kenya) commercial analytics programme — delivering weekly sales, operations and marketing dashboards used to calculate sales team incentives and market execution performance across the country. Built end-to-end financial reporting in Power BI including P&L, Balance Sheet, and Cash Flow vs Budget. Extracted and modelled data from Sage X3, Sage 200 Evolution, and Salesforce. Delivered executive-ready dashboards and led full project lifecycle from requirements through client handover.

Meier_- Online Marketing & Consulting

Data Architect / Modeler

Meier - Online Marketing & Consulting • Full-time

Jun 2022 - Feb 20238 mos

Worked remotely on retail analytics data architecture for Meijer, a large US-based retailer. Designed conceptual, logical and physical data models and maintained mapping logic between source systems and the enterprise data model. Built ETL technical mapping documents, transformation and cleansing rules, and data source discovery documentation for data engineers. Extracted and profiled data from Oracle, SQL Server, and Teradata. Contributed to an end-to-end Lakehouse Architecture pilot. Tools: Microsoft Fabric, Azure Data Factory, Databricks, SQL Server, ER Studio, PowerDesigner, DBeaver.

Logistics Engineer — Data & Analytics

Synergy • Full-time

Jan 2021 - Jul 20221 yr 6 mos

Built Power BI and Excel dashboards to monitor logistics operations and programme KPIs. Developed SQL queries and forecasting models for demand planning and resource optimisation. Conducted root-cause analysis on operational inefficiencies contributing to cost reduction. Automated recurring reports, reducing manual effort and turnaround time significantly.

23 Reviews
4.5

(20)
(1)
(0)
(1)
(1)
Rating Breakdown
  • Seller communication level
    4.6
  • Quality of delivery
    4.5
  • Value of delivery
    4.4
1-5 out of 23 Reviews
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Most relevant
    N
    image-docs

    naomi_wambuingi

    Repeat Client

    AE

    United Arab Emirates

    5

    Working with this seller was an excellent experience from start to finish. He built a professional Power BI dashboard with outstanding DAX calculations, clean data modeling, and interactive visualizations that perfectly matched my requirements. His technical expertise, attention to detail, and ability...

    Up to $50

    Price

    1 day

    Duration

    gig

    Data Dashboards

    Helpful?
    Yes
    No
    N
    image-docs

    naomi_wambuingi

    Repeat Client

    AE

    United Arab Emirates

    5

    Outstanding experience! The seller was professional, responsive, and delivered exactly what I needed with excellent attention to detail. Communication was smooth throughout the project, and the final work exceeded my expectations. Everything was completed on time, and any revisions I requested were handled...

    Up to $50

    Price

    2 days

    Duration

    gig

    Data Dashboards

    Helpful?
    Yes
    No
    C
    image-docs

    chamdany_brian

    Repeat Client

    KE

    Kenya

    5

    I will come back for more projects with this guy. Exceptional top notch delivery

    Up to $50

    Price

    1 day

    Duration

    gig

    Data Dashboards

    Helpful?
    Yes
    No
    C
    image-docs

    chamdany_brian

    Repeat Client

    KE

    Kenya

    5

    Excellent work! Very responsive, easy to work with, and delivered exactly what I needed. I’ll definitely be back for future projects.

    Up to $50

    Price

    1 day

    Duration

    gig

    Data Dashboards

    Helpful?
    Yes
    No
    B
    image-docs

    billionaires_tb

    Repeat Client

    TT

    Trinidad and Tobago

    5

    Excellent work as always. I strongly recommend anyone to use Alex.

    $100-$200

    Price

    1 day

    Duration

    gig

    Graphs & Charts

    Helpful?
    Yes
    No