Leandra Sellar

Experience

• 

  FNB South Africa

  Oct 2006 - Jan 2017

  • Designed business systems, including insurance and fraud models.• Analyzed credit system rules and performed data analysis.• Created Business Rule Design documentation and Functional Specifications.• Managed project timelines, outcomes, and resources. • Analyzed business and functional requirements for credit scoring systems.• Developed credit scoring systems, including scorecards, policy rules, and affordability segments.• Conducted unit testing and provided maintenance and production support for credit scoring systems. • Developed, maintained, and supported COBOL applications.

  • ODM (Operational Decision Management) Analyst Programmer

    Feb 2014 - Jan 2017

  • SMG3 (Strategy Manager Generation 3) Analyst Programmer

    Oct 2011 - Jan 2014

  • Cobol Developer

    Oct 2006 - Oct 2011
• 

  I1 Solutions

  Jan 2017 - Jul 2019

  Analysis Developer

  • Contributed to Business Process Management (BPM) development.• Developed solutions using Operational Decision Manager (ODM) and IBM Integration Bus (IIB).• Utilized Business Intelligence and Reporting Tool (BIRT) for reporting.

• 

  Bank Zero

  Jul 2019 - May 2023

  DevOps Engineer

  • Implemented a container-based architecture that improved system modularity and scalability, enabling faster application deployment.• Implemented an automated CI/CD pipeline using Jenkins, Bitbucket, and Docker, reducing deployment time by 50% and increasing overall productivity.• Implemented monitoring and alerting solutions using the full Grafana stack (Grafana, Prometheus, Loki, and Tempo), improving system visibility and reducing mean time to resolution.• Utilized Apache JMeter as a performance testing tool to evaluate system response time and optimize user experience.• Collaborated with development teams to optimize application performance and implement continuous integration practices. Show less