Raphael M.
Data Analyst

Skills

Qlik Sense

Microsoft Sql Server

Javascript

Raphael is available for hire

Meet Raphael M.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

Data professional with a background in electrical engineering, adept in the development and maintenance of dashboards and ETL processes. Proficient in SQL, Power BI, and Qlik Sense, with fluency in English. Ongoing education in Data Science encompasses statistics and machine learning techniques, along with front-end development courses. Technical expertise spans VBA, SQL, Power BI, QlikView, Qlik Sense, Javascript, and HTML/CSS.

BI Consultant
1/1/2022 - Present

Developed proficiency in creating and maintaining dashboards using Qlik Sense. Ensured the seamless extraction, transformation, and loading (ETL) processes within Qlik Sense, showcasing strong skills in scripting and data manipulation. Demonstrated technical expertise by developing and maintaining extensions in Qlik Sense through the use of JavaScript, CSS, and HTML, contributing to the enhanced functionality and user experience of the dashboards.
Planning and Control Specialist
1/1/2020 - 12/31/2021

Performed exploratory analysis of the railway maintenance services database using SQL queries. Developed key performance indicators, dashboards, and management reports through the utilization of QlikView, Power BI, Excel, VBA, and PowerPoint. Conducted feasibility studies focusing on the technical and financial aspects of potential new projects. Implemented quality actions to enhance internal processes and monitored the scope, schedule, and budget of internal projects. Supported the management of SLAs agreed upon with outsourced and other internal areas. Facilitated training sessions on new tools for internal teams, ensuring smooth adoption and proficiency.
Field Engineer
1/1/2015 - 12/31/2020

Engaged in exploratory analysis of the electrical system occurrence database, focusing on the identification and classification of failures, extraction of service times, measurement of productivity, and creation of rankings. Constructed action plans aimed at improving electrical network processes. Developed comprehensive dashboards, indicators, presentations, and management reports using tools such as PowerPoint, Excel, VBA, and Power BI. Conducted field inspections to assess low, medium, and high voltage failures, and performed quality and safety inspections of the services rendered.