Years Experience
Kaggle Notebooks
Competitions
Models Developed
Work History
Finance Data Analyst
Designed, built, and optimized Power BI financial reports and dashboard to support management decision-making.
Automated end-to-end data processes, improving workflow efficiency for journal deployments, recurring financial reporting.
Developed and maintained data pipelines across Group entities, ensuring reliable and consistent data flow.
Built data reconciliations, strengthening data integrity in the warehouse financial data across all countries in the Group.
Conducted in-depth data analysis to identify trends, provide insight, and influence strategic decisions.
Designed and generated financial statements and management reports using Azure, Power BI, SSRS, MIS, and Excel.
Data Scientist: Credit Risk
Develop behavioral models.
Develop customer attrition model.
Communicate data insights and
modelling results to key stakeholders.
Estimate lift and business impact.
Received a promotion for developing the Data Science Mobile App,
developing a transactions model and a customer attrition model.
Data Scientist Trainee
I executed the functions:
Analyzed data and communicated insights.
Developed scorecard models.
Estimated lift and business impact.
Junior Full Stack Developer
I carried out the following:
Maintaining and monitoring user accounts.
Building PHP websites using PHP based frameworks.
Testing and validating work produced as part of the
development
process. Developing advanced database driven websites.
Mobile development using Java, LibGdx and Sql.
Junior Software Engineer
Acting as a conduit between the business,
clients and developers.
Identifying and analyze performance
bottlenecks and rectifying them.
Web Application maintenance.
Providing support & maintenance of existing software.
Data Scientist: Direct Marketing
Develop collection and marketing models.
Weekly portfolio reporting to internal stakeholders.
Data extracts to support the building of new marketing models.
Data analysis to provide insights and drive business decisions.
Providing information to support external and internal audits.
Developing Machine learning and Deep Learning models.
Communicate data insights and modelling results to key stakeholders.
Estimate lift and business impact.
Data Scientist Intern
I was at the Explore Data Science. This was in a collaborative environment
with a cohort of other interns. I executed the functions:
Collaboratively applied machine learning concepts.
Learnt and applied Cloud Computing concepts.
Used tools such as Power BI to communicate results.
Applied the Agile methodologies.
Paul Trueman
Working with Artur has been a pleasure. Better yet - I alerted them of a minor issue before going to sleep. The issue was fixed the next morning. I couldn't ask for better support. Thank you Artur! This is easily a 5 star freelancer.
UI Designer
Ongoing design and maintenance of new and existing websites. Liaising closely with a customer or client at the design stage. Enhancing the look, functionality and appearance of a website. Designing websites that are easy and effective to use. Designing the outlook of mobile apps.
My Competencies
Developing Models
Tools: SAS and Python
Data Analysis
Tools: SQL, SAS, PowerBI and Excel
Data Visualization
Tools: PowerBI, Plotly and Excel
Software Developer
Tools: AWS, React, Java, Html, CSS and PHP
Mobile Development
Tools: Flutter, Android Studio, Java and AWS
UI Design
Tools: Photoshop, After Effects, Premier Pro
My Models
Direct marketing Model
Direct marketing model to personalize marketing efforts to specific individuals of our customer base.
Collections Model.
A bank collection model to manage and optimize the process of collecting overdue payments from our borrowers and account holders.
Transactions Model.
A bank transactions model with a lot of feature engineering variables to analyze and monitor customer transactions. This model was designed to provide valuable insights for risk management.
Credit Scoring Models.
Credit risk models to help determine the likelihood that a borrower will default on a loan or fail to meet their credit obligations.These models played a crucial role in portfolio management, and risk assessment.
Alternative Data Model.
Alternative data bank model using of non-traditional or unconventional sources of data for various banking purposes.
Contact information
- Suburb: Fourways
- City: Johannesburg
- Country: South Africa
- Email: allanyisa@gmail.com
- Contact: 061 491 1557
- I am currently a Data Scientist at African Bank with Computer Science degree from the University of Johannesburg and pursuing a Master’s in Data Science from the University of East London (UK). I am an inquisitive and innovative individual who enjoys learning. I developed multiple models, websites and the Data Science Mobile App for African Bank and I believe I can bring innovation and creativity to your team.