Summary
Work history
Education
Skills
Languages
Accomplishments
Affiliations
References
Timeline
Generic
Sylvester Osei

Sylvester Osei

Data Scientist
Kumasi,Ghana

Summary

Accomplished data professional with extensive expertise in Python programming, SQL database management, and machine learning. Proficient in data cleaning methods, ETL processes, and big data handling, with a strong focus on algorithms development and natural language processing. Adept at communicating complex information through effective presentations and data visualisation tools such as Matplotlib and Power BI. Demonstrates a solid understanding of neural networks, relational databases, and data warehouse planning. Career goals include leveraging advanced analytics to drive strategic decision-making in dynamic environments.

Work history

Data science intern

Patcus Ventures
Maase, Tafo, Ghana
10.2024 - 11.2024
  • Increased efficiency through automation of routine data computation tasks.
  • Fostered cross-departmental communication with regular presentations on project updates.
  • Leveraged SQL to manipulate and extract useful information from large databases.
  • Utilised Python for streamlined data processing and analysis.
  • Utilised Python programming to perform seamless data visualisation.
  • Enhanced data interpretation by employing machine learning techniques.
  • Assisted senior scientists in performing exploratory data analyses.
  • Applied statistical analysis, result-a more accurate understanding of data trends.
  • Incorporated Big Data tools for efficient handling of bulky datasets.
  • Contributed towards creation of user-friendly dashboards presenting complex data visually.
  • Analysed and processed complex data sets, using analytical tools.
  • Performed data visualisations in Power BI to present data in clear and concise manner, receiving consistently positive client feedback.
  • Developed skills working with various machine learning techniques including clustering, decision tree learning and artificial neural networks.
  • Generated data visualisations to present and communicate analysis results using Power BI.

Education

Bachelor of Science - Statistical Data Science

University of Mines and Technology
Tarkwa, Ghana
01.2023 -

Skills

  • Data cleaning methods
  • Communicating complex information
  • Algorithms development
  • Matplotlib for graphing
  • ETL processes
  • Big data handling
  • Knowledge in neural networks
  • Database management
  • Data validation and analysis
  • Effective presentations
  • Power BI
  • Natural Language Processing (NLP)
  • Relational databases
  • Machine learning
  • PYTHON
  • Data visualisation tools
  • Data Modelling
  • SQL database management
  • Python programming
  • SQL programming
  • Database design
  • ETL development
  • Data warehouse planning

Languages

English
Upper intermediate

Accomplishments

I got the opportunity to be the Assistant Schools Coordinator for National Union of Presbyterian Students - Ghana for the 2024/2025 Spiritual and Academic year

Affiliations

I love watching football matches and listening to Hymns

References

References available upon request.

Timeline

Data science intern

Patcus Ventures
10.2024 - 11.2024

Bachelor of Science - Statistical Data Science

University of Mines and Technology
01.2023 -
Sylvester OseiData Scientist