Nhlodi Davis Mojela
Junior Data Analyst
Johannesburg
Summary
BSc graduate in Mathematical Sciences and Computer Science with expertise in data analytics, technical support, and problem-solving. Currently a Junior Data Analyst at Old Mutual, where I focus on data preprocessing, analysis, and visualization using tools like SQL, Python, and Power BI. I am seeking a Data Analytics or Data Science role to apply my experience in data pipeline support, ETL processes, and database management to drive innovation and efficiency in large-scale data operations, while delivering actionable insights.
Overview
4
4
years of professional experience
5
5
years of post-secondary education
15
15
Certifications
Work History
Data Analyst Intern
CAPACITI-UVU Africa
01.2024 - 04.2024
- Assisted in data cleaning, analysis, and visualization using Excel, SQL, and Power BI.
- Built dashboards and reports to support business decisions.
- Conducted exploratory data analysis to identify trends and insights.
- Collaborated with teams to deliver actionable recommendations
Junior Data Analyst
Old Mutual Life Assurance Company Ltd
05.2024 - Current
- Data Pipeline Support: Assisted in building and maintaining scalable data pipelines for processing data from diverse sources.
- Data Integration: Collaborated with teams to ingest and transform structured and unstructured data into meaningful insights.
- ETL Development: Contributed to the design, optimization, and implementation of ETL (Extract, Transform, Load) processes.
- Data Quality Assurance: Worked to improve data quality by analyzing discrepancies and optimizing processes to enhance reliability.
- Performance Tuning: Supported optimization tasks related to query indexing and data pipeline scaling.
- Documentation: Created and maintained technical documentation of ETL pipelines and data workflow processes.
- Tools: Power BI, SSQL Developer/PLSQL, Postgre SQL, Python,Alteryx, Designer,Google Data Studio,Excel,Oracle Database,RDBMS,API's(REST)
ICT Technical Support Assistant
Sefako Makgatho University
01.2021 - 12.2023
- Supported over 25 computer labs with installation, testing, and configuration of software and systems.
- Developed troubleshooting guidelines for over 5000 students, contributing to smoother IT operations.
- Managed network services and maintained statistical reports for over 200 PCs.
- Provided assistance with system upgrades, including software and hardware configurations.
- Tools: Windows 10, Linux Ubuntu
Education
Honours - Computer Sciences and Information Technology
Sefako Makgatho Health Sciences University
02.2021 - 11.2022
BSc - Mathematical Sciences
Sefako Makgatho Health Sciences University
02.2018 - 11.2020
Skills
- Python
- Java
- SQL
- C
- HTML5
- CSS3
- C#
- MySQL
- MariaDB
- Correlation and Causation
- Pandas
- MATLAB
- AWS (S3, SageMaker)
- Linear and Logistic Regression
- Testing
- Bayes’ Theorem and Bayesian Inference
Certification
Cisco CCNA 1
Timeline
Junior Data Analyst
Old Mutual Life Assurance Company Ltd
05.2024 - Current
Data Analyst Intern
CAPACITI-UVU Africa
01.2024 - 04.2024
Honours - Computer Sciences and Information Technology
Sefako Makgatho Health Sciences University
02.2021 - 11.2022
ICT Technical Support Assistant
Sefako Makgatho University
01.2021 - 12.2023
BSc - Mathematical Sciences
Sefako Makgatho Health Sciences University
02.2018 - 11.2020
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