JENNINGS SEFU
Software Tester (QA Engineer)/ Software Developer
Ottawa
Summary
Resourceful and detail-oriented IT professional and software developer with a National Diploma in Computer Programming from Algonquin College and advanced studies in Business Information Technology at the University of Johannesburg. Proficient in Java, Kotlin, SQL, Android development, software testing, and database management, with a proven ability to troubleshoot complex technical issues while delivering user-centric solutions. Recognized for strong communication, collaboration, and organizational skills, along with adaptability in fast-paced environments. Passionate about creating innovative software that empowers users and enhances operational efficiency.
Overview
8
8
years of professional experience
2
2
Languages
Work History
Contact Centre Representative
MBNA (TD Bank)
10.2022 - Current
- Provided technical troubleshooting for accounts, billing, and digital banking systems, ensuring efficient first-contact resolution.
- Navigated CRM and multi-screen platforms to diagnose issues and maintain accurate client records.
- Documented interactions with precision to support audits, reporting, and follow-up processes.
- Exceeded KPIs in customer satisfaction, accuracy, and efficiency, demonstrating adaptability in a high-volume, technical environment.
Service Experience Representative
Nordstrom Rack
06.2019 - 11.2020
- Delivered front-line technical support for POS and digital systems, troubleshooting payment and inventory discrepancies.
- Assisted teams with improving workflows and resolving technical issues, ensuring minimal downtime.
- Trained peers on system navigation and issue resolution, enhancing overall team performance.
Development Software 1A Tutor
University of Johannesburg
02.2018 - 11.2018
- Conducted tutorials for first-year students in Java programming and programming logic/design.
- Assisted with grading assignments and provided one-on-one support to strengthen student understanding.
- Developed tutorial materials and collaborated with faculty to enhance teaching strategies and student outcomes.
Education
Ontario College Diploma - Computer Programming
Algonquin College
Ottawa, ON05-2025
National Diploma - Business Information Technology
University of Johannesburg
Johannesburg, SA01.2018
Skills
- Programming & Development: Java, Kotlin, PHP, COBOL, JavaScript, HTML, CSS
- Mobile & Web Development: Android Studio, Jetpack Compose, Material Design, XML layouts
- Databases & Tools: SQL, MySQL, Oracle, Room Database (SQLite), Firebase Firestore
- Core Strengths: Technical troubleshooting, root-cause analysis, project collaboration, documentation, adaptability
- Software Testing & QA: Manual testing, unit testing (JUnit), UI testing (Espresso), debugging, defect tracking
- Systems & Networking: Windows, Unix/Linux, TCP/IP fundamentals, system configuration
Timeline
Contact Centre Representative
MBNA (TD Bank)
10.2022 - Current
Service Experience Representative
Nordstrom Rack
06.2019 - 11.2020
Development Software 1A Tutor
University of Johannesburg
02.2018 - 11.2018
National Diploma - Business Information Technology
University of Johannesburg
Ontario College Diploma - Computer Programming
Algonquin College
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