Leandra Sellar

Leandra Sellar

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location of Leandra SellarCity of Johannesburg, Gauteng, South Africa

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  • Timeline

  • About me

    DevOps Engineer

  • Education

    • Bryanston High School

      2000 - 2004
      Matric Matric

      Matriculation

    • University of South Africa/Universiteit van Suid-Afrika

      2016 - 2019
      Bachelor of Science (BSc) Computer Science

      BSc Computer Science

  • 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

  • Licenses & Certifications

    • IBM Business Process Manager Introduction

      IBM
      May 2018
      View certificate certificate
    • IBM Certified BPM Application Developer - IBM BPM v8.5.7 using Process Designer

      IBM
      Dec 2017
      View certificate certificate