ISRAEL MEDJIE
Data Engineer
ACCRA,Ghana
Summary
An experienced Data Engineer with extensive expertise in Big-Data/Hadoop technology stack using Apache Spark, Python, Scala, ETL SQL, NoSQL Database, Data Warehousing, Kafka streaming. I have successfully performed several roles that are related to the implementation, configuration and support of data platforms and technologies.
A strong engineering professional who can adapt quickly to new environments while constantly seeking to learn and improve my skills.
Overview
11
11
years of professional experience
4
4
years of post-secondary education
1
1
Certification
Work History
Senior Data Engineer
Eprocoess International -Ecobank Group
Accra
09.2018 - Current
- Collaborated on ETL (Extract, Transform, Load) tasks, maintaining data integrity and verifying pipeline stability.
- Employed data cleansing methods, significantly Enhanced data quality.
- Generated detailed studies on potential third-party data handling solutions, verifying compliance with internal needs and stakeholder requirements.
- Built databases and table structures for web applications.
- Analyzed complex data and identified anomalies, trends and risks to provide useful insights to improve internal controls.
- Prepared documentation and analytic reports, delivering summarized results, analysis and conclusions to stakeholders.
- Modeled predictions with feature selection algorithms.
- Extracted and assessed data from databases to drive improvement of product development and business strategies and processes.
- Set up SQL database on cloud servers to store client data for query analysis.
- Coached and mentored junior data scientists on SAS and data mining techniques.
Application Engineer
Eprocess International-Ecobank Group
Accra
02.2018 - 09.2018
- Updated old code bases to modern development standards, improving functionality.
- Participated in software field testing to verify performance of developed projects.
- Collaborated on stages of systems development lifecycle from requirement gathering to production releases.
- Translated customer requirements into written use cases.
- Collaborated with project managers to select ambitious, but realistic coding milestones on pre-release software project development.
ETL Architect
Millicom International Cellular
Ghana
09.2011 - 01.2018
- Documented data warehouse architecture to guarantee capacity met current and forecasted needs.
- Validated warehouse data structure and accuracy.
- Selected methods and criteria for warehouse data evaluation procedures.
- Managed data quality issues during ETL processes, directing qualitative failures to team lead for amelioration.
- Collaborated with business intelligence staff at customer facilities to produce customized ETL solutions for specific goals.
- Designed data models for complex analysis needs.
- Reviewed project requests describing database user needs to estimate time and cost required to accomplish projects.
- Designed integration tools to combine data from multiple, varied data sources such as RDBMS, SQL and big data installations.
- Designed and created ETL code installations, aiding in transitions from one data warehouse to another.
Education
Bachelor Of Science - Computer Science
Valley View University
Accra Ghana 09.2005 - 05.2009
Skills
Programming languages (Python,Java,Scala,Csharp)
Certification
Certified [Azure Data Engineer Associate ], [Microsoft] -
Timeline
Certified [Azure Data Engineer Associate ], [Microsoft] -
02-2020
Senior Data Engineer
Eprocoess International -Ecobank Group
09.2018 - Current
Application Engineer
Eprocess International-Ecobank Group
02.2018 - 09.2018
ETL Architect
Millicom International Cellular
09.2011 - 01.2018
Bachelor Of Science - Computer Science
Valley View University
09.2005 - 05.2009
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