Tsholofelo Agnes Mahlangu
Pretoria
Summary
Experienced QA Engineer with over 10 years in software quality assurance, agile delivery, and continuous integration. Embeds quality throughout the SDLC, from requirements analysis to post-deployment verification. Skilled in manual and automated testing, performance testing, and API testing. Facilitates collaboration among cross-functional teams and mentors junior testers to enhance team performance.
Overview
13
13
years of professional experience
1
1
Certification
Work History
QA Lead
Harambee Youth Employment Accelerator
Johannesburg
12.2019 - Current
- Led QA strategy and team delivery, aligning testing efforts with project goals and collaborating with senior technical managers.
- Created comprehensive test plans, cases, and data sets to address functional, integration, and performance requirements, ensuring thorough coverage.
- Conducted manual, automation (Cypress), API, and performance testing (JMeter).
- Ensured release readiness through UAT coordination, stakeholder reporting, and implementing continuous improvement practices.
- Led regression testing during platform upgrades and validated feature deployments against business requirements.
- Embedded quality practices in agile teams working on JavaScript and non-JS web platforms.
- Designed and executed manual test cases for enterprise CRM modules across customer support, e-commerce, and outage reporting workflows.
- Collaborated with development and business teams to conduct UAT in production-like environments.
- Triaged bugs by analyzing SQL logs, user steps, and system behavior to assign to the correct resolution team.
- Created clear documentation for issue reproduction using screenshots, test data, and internal logs.
- Utilized Jira, TestRail, BigQuery, MySQL, and LambdaTest for full QA lifecycle.
- Contributed to continuous improvement through daily stand-ups and sprint retrospectives.
Test Analyst
Perago FSE
Pretoria
08.2017 - 11.2019
- Led API, performance (JMeter), and regression testing to ensure system reliability and quality standards.
- Executed QA for financial systems, ensuring quality and compliance for RTGS, ACH, and CSD.
- Conducted system testing with Oracle SQL Developer, SoapUI, and Putty to validate functionality and performance.
- Supported CI pipelines with Jenkins automation using Java-based scripts.
QA Tester
Out of the Box Ideas
Randburg
12.2016 - 07.2017
- Executed functional and automated tests with Selenium and Postman to ensure software quality and reliability.
- Tested functionality, performance and compliance of products against design specifications to maintain strong development standards and high customer satisfaction.
- Validated backend functionality through MySQL, contributing to effective defect lifecycle management and resolution.
- Analysed test results, documented defects, and reported findings to relevant stakeholders.
- Wrote and updated manual test cases, maintaining optimal organisation for team productivity.
Software Tester
Business Connexion
Midrand
07.2013 - 11.2016
- Led manual and automated testing with Java (JUnit), Jenkins, and SOAP UI to enhance software reliability.
- Coordinated integration testing, UAT, and defect resolution to ensure seamless production deployment.
- Executed QA processes for web and SAP-based applications, ensuring quality and functionality.
Education
Postgraduate - Computer Science
Tshwane University of Technology
Pretoria12-2024
High School Certificate -
Hebron Technical and Commercial High School
Brits12-2018
B TECH IT - Technical Application: Computer Science
Tshwane University of Technology
Pretoria12-2016
National Diploma IT - Technical Application: Computer Science
Tshwane University of Technology
Pretoria12-2013
Skills
- QA process ownership
- Test Strategy Development
- Automation Testing: Selenium
- Automation Testing: Cypress
- Automation Testing: Java
- Postman automation
- API testing
- Performance Testing: JMeter
- CI/CD Tools: Jenkins
- Agile and Lean Testing Principles
Certification
- 2014-01-01, ISTQB Foundation Certificate
- 2016-01-01, Java for Testers Certificate
Custom Section
- Java
- JavaScript
- SQL
- HTML
- Cypress
- Selenium
- JMeter
- Postman
- Jenkins
- Jira
- TestRail
- SoapUI
- MySQL
- BigQuery
- LambdaTest
- Web
- REST APIs
- Crossbrowser/devices
- SQL Developer
- Confluence
- Jenkins (basic)
- MS Excel
- Git (basic)
Timeline
QA Lead
Harambee Youth Employment Accelerator
12.2019 - Current
Test Analyst
Perago FSE
08.2017 - 11.2019
QA Tester
Out of the Box Ideas
12.2016 - 07.2017
Software Tester
Business Connexion
07.2013 - 11.2016
Postgraduate - Computer Science
Tshwane University of Technology
High School Certificate -
Hebron Technical and Commercial High School
B TECH IT - Technical Application: Computer Science
Tshwane University of Technology
National Diploma IT - Technical Application: Computer Science
Tshwane University of Technology