Martin Mungai

Martin Mungai

Power BI Developer

Euless, Texas, United States.

About  

As an experienced developer I will work to give the company my best input. Work to help others learn from me as I learn from them. A team is important part of me. Am looking forward to grow my career as part of the company. Being part of the team will mean a lot to me. Thank you.

Hours Available / Wk - 40 hrs

Portfolio 

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Superstore Sales Performance Analysis

Superstore is a retail store dealing with consumer ,corporate and home office supplies. Sales are do... ... More

Employment History 

  • PowerBI Developer

    Colaberry Inc.
    January 2022 - Present

    • Using DAX formulas, developed and performance tuned high quality interactive visuals using data discovery mechanisms of Microsoft Power BI that included mobile solutions.
    • Experience and strong hands-on experience building, securing, performance tuning, troubleshooting environments.
    • Set up and managed Data Driven Subscription, configured delivery and notification options in Power BI.
    • Implemented Row-Level Security (RLS) to securely create user specific reports.
    • Provided End User’s/Application Analyst’s with technical solutions, training, and ideas.
    • Develop reports, dashboards and visual analytics using PowerBI tool.
    • Performs unit testing to validate accuracy and validity of reports and data integrity

  • Accountant

    Echoes Restaurant
    May 2016 - April 2018

    Responsibilities
    • Bank reconciliations.
    • Petty cash, stock, payroll, creditors, and debtors’ management
    • Preparing annual and monthly financial reports (Income statements, Balance sheet, Cash flow reports)
    • Liaising with other departments
    • Internal Audits
    • Daily sales report

  • Power BI developer

    Colaberry Inc.
    May 2019 - August 2021

    • Using DAX formulas, developed and performance tuned high quality interactive visuals using data discovery mechanisms of Microsoft Power BI that included mobile solutions.
    • Working with multiple data sources, extracted, implemented various transformations, and loaded data using SQL Server Integration Services (SSIS) in Microsoft SQL Server databases.
    • Designed, created, developed, and performance tuned reports using Microsoft SQL Server Reporting Services (SSRS).
    • Experience and strong hands-on experience building, securing, performance tuning, troubleshooting environments.
    • Detailed documented using case tracking Software and internal communications using Basecamp.
    • Adapted Software Development Life Cycle, specifically Agile Methodologies, when working on complex projects, breaking them down into manageable stages/sprints.
    • Strong and extensive hands-on experience using SQL in working with tables, implementing constraints, system functions, variables, developing and implementing Stored Procedures, managing views and triggers.
    • Automated processes using PowerShell scripting language and interacted with Power BI using DAX.
    • Proven experience in setting up, configuring, and monitoring, troubleshooting, performance tuning SQL, SSRS, and SSIS jobs.
    • Set up and managed Data Driven Subscription, configured delivery and notification options in Power BI.
    • Implemented Row-Level Security (RLS) to securely create user specific reports.
    • Provided End User’s/Application Analyst’s with technical solutions, training, and ideas.

  • Power BI Developer/Business Analyst

    Abbott Laboratories
    September 2021 - January 2022

    • Perform data manipulation and cleansing to prepare datasets for visualization.
    • Working with Azure Data Lake Storage Gen2, Excel and MySQL data sources.
    •Working to migrate reports from Tableau tool to PowerBI tool.
    • Develop reports, dashboards and visual analytics using PowerBI tools
    • Assist in the delivery of quality solutions using Microsoft Business Intelligence tools (Power BI) and related technologies
    • Work collaboratively with team members including project managers, solution architects, and business analysts
    • Implement solutions using Microsoft Power BI tool suite and related technologies
    • Proficient in the use of Data Analytics Expressions (DAX) and Power Query
    • Leverage database systems including data warehouses, data marts, and models needed for business, financial, and operational analysis and/or reporting
    • Clearly communicate technical details to business and management staff
    • Perform data analysis which supports Client HR solutions
    •Working with data technologies (SQL Data Warehouse, SQL Server, Azure MySQL etc.)
    • Provide insight and recommendations on new and emerging technologies and concepts to Strategy team members
    • Able to work creatively and analytically in a problem-solving environment
    • UAT-ing data before its promoted to production.