I am a Quality Assurance Engineer with over five years of hands-on experience delivering robust test strategies across web, mobile, API, and Web3 platforms. I take ownership of quality strategy for complex systems, including UI, API, and cross-chain blockchain integrations. I’m proficient at maintaining and enhancing test automation frameworks and integrating them into CI/CD pipelines (Jenkins, GitHub Actions) to support continuous testing and delivery. I excel in both manual and automated testing, with strong exposure to performance testing, security testing, and compliance validation (SOC2, HIPAA). I regularly work with tools like Selenium, Postman, Cypress, Playwright, JIRA, TestRail, and RestAssured. I stay updated with industry best practices and emerging technologies to ensure the highest standards of software quality, while mentoring teammates to grow their automation capabilities.

Adebiyi Johnson Olanrewaju

I am a Quality Assurance Engineer with over five years of hands-on experience delivering robust test strategies across web, mobile, API, and Web3 platforms. I take ownership of quality strategy for complex systems, including UI, API, and cross-chain blockchain integrations. I’m proficient at maintaining and enhancing test automation frameworks and integrating them into CI/CD pipelines (Jenkins, GitHub Actions) to support continuous testing and delivery. I excel in both manual and automated testing, with strong exposure to performance testing, security testing, and compliance validation (SOC2, HIPAA). I regularly work with tools like Selenium, Postman, Cypress, Playwright, JIRA, TestRail, and RestAssured. I stay updated with industry best practices and emerging technologies to ensure the highest standards of software quality, while mentoring teammates to grow their automation capabilities.

Available to hire

I am a Quality Assurance Engineer with over five years of hands-on experience delivering robust test strategies across web, mobile, API, and Web3 platforms. I take ownership of quality strategy for complex systems, including UI, API, and cross-chain blockchain integrations. I’m proficient at maintaining and enhancing test automation frameworks and integrating them into CI/CD pipelines (Jenkins, GitHub Actions) to support continuous testing and delivery.

I excel in both manual and automated testing, with strong exposure to performance testing, security testing, and compliance validation (SOC2, HIPAA). I regularly work with tools like Selenium, Postman, Cypress, Playwright, JIRA, TestRail, and RestAssured. I stay updated with industry best practices and emerging technologies to ensure the highest standards of software quality, while mentoring teammates to grow their automation capabilities.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Web3 Blockchain QA Tester at Scrums.com
June 1, 2024 - May 1, 2025
Led QA planning and execution for a complex Web3 platform, ensuring quality across Web, Mobile, and core blockchain transactions. Authored and executed test plans for Smart Contract testing, Block testing, and Fork testing. Developed API automation using Python and RestAssured for blockchain transactions, wallet functionality, and Web3 optimization. Ensured cross-chain transaction integrity through targeted test strategies and contributed to CI/CD by integrating automated regression suites and conducting performance testing.
Senior Software QA at Atos MTN
May 1, 2023 - June 1, 2024
Managed the full QA lifecycle for a large-scale mobile application, encompassing functional, regression, performance, and UI/UX testing for both iOS and Android native components. Integrated mobile automation tests into the Jenkins CI/CD pipeline to support continuous delivery and rapid feedback on critical mobile builds. Performed security validation aligned with OWASP Mobile Top 10 principles and created comprehensive test plans and test cases.
Senior Software Quality Assurance Engineer at Indicina
October 1, 2021 - May 1, 2023
API Automation and Manual testing; reviewed requirements, specifications, and design documents; created detailed test plans and cases; designed, developed and executed automation scripts; tracked defects and performed thorough regression testing. Led testing for web and mobile applications, maintained testing processes, and collaborated with developers and product managers to ensure quality. Worked with TypeScript/JavaScript/Node-based automation, TestRail/Reqtest for test management, and performed load testing with K6 and HP LoadRunner.
Quality Assurance Engineer at Fincode
July 1, 2020 - September 1, 2021
Implemented Cypress UI automation and reporting; delivered API testing using REST Assured and Postman; leveraged TypeScript, JavaScript, and Node-based automation frameworks. Conducted performance testing with K6 and developed test plans, scripts, and bug reports. Performed manual testing across web and mobile platforms, participated in sprint planning, and managed regression testing and ISO/compliance-aligned practices.
Software Tester/Tech Support at Fintech V.I Lagos
December 1, 2018 - June 1, 2020
Manual testing of mobile and web-based platforms; design and implementation of automation test processes; web-based testing using Selenium and Katalon; testing/Support of POS applications; defect analysis and coordination with project teams; agile practices; API testing with Postman/RestAssured; end-to-end customer support and ISO practices.
Web3 Blockchain QA Tester (Lead) at Scrums.com
June 1, 2024 - January 1, 2026
Led QA planning and execution for a complex Web3 platform spanning web, mobile, and core blockchain transactions. Authored and executed comprehensive test plans focusing on blockchain concepts: smart contract testing, block testing, and fork testing. Developed API automation using Python and RestAssured for high-value blockchain transactions and wallet functionalities, ensuring reliability across cross-chain operations. Leveraged Web3 testing frameworks including Solidity to validate cross-chain transaction integrity. Contributed to CI/CD by integrating automated regression suites and conducting performance testing. Executed performance tests across all blockchain transactions to optimize system throughput and latency. Focused automation: scaled API automation using Python for complex blockchain operations and utilized Cypress and Playwright for web and mobile UI testing. Trained junior QA engineers in software methodologies and testing logic. Maintained and enhanced the Test Automatio
Senior Software QA (Lead) at Atos - MTN
May 1, 2023 - June 1, 2024
Reviewed requirements, specifications, and technical design documents to provide timely and meaningful feedback. Native App Ownership: Managed the full QA lifecycle for a large-scale mobile application, encompassing functional, regression, performance, and UI/UX testing for both iOS and Android native components. CI/CD Integration: Integrated mobile automation tests into the Jenkins CI/CD pipeline to support continuous delivery, providing rapid feedback on critical mobile builds. Security & Compliance: Performed security validation (aligned with OWASP Mobile Top 10 principles) across mobile access control and data handling to ensure compliance standards. Create detailed, comprehensive, and well-structured test plans and test cases. Estimate, prioritize, plan, and coordinate testing activities. Design, develop and execute automation scripts using automation tools. Identify, meticulously document, and track bugs thereby reducing production bugs by 40%. Perform thorough regression testing
Software Tester/Tech Support at Fintech V.I
December 1, 2018 - June 1, 2020
Manual testing of the mobile and web-based platform. Designing automation test process and design. Web application testing using open-source tools (Selenium, Katalon Studio). Testing/Support of POS Applications. Analyzing and reporting defects; Investigate bugs reported, document and work with the project manager and development team to implement fixes. Agile methodologies practices. API tests using postman and RestAssured. Daily scrum meetings. Deployment of ISO practices. SQL. Clients/agents relationship through calling, emailing and providing solutions to technical issues. Reviews on products performance and function. End to end Customer/application support (Bank support). Software Testing, Regression Testing (manual/automated). API Testing (postman/swagger).

Education

Add your educational history here.

Qualifications

B.ENG Civil Engineering
January 1, 2010 - January 1, 2016
ISTQB (foundation level)
January 11, 2030 - December 8, 2025
AI Expert
January 11, 2030 - December 8, 2025
Diploma in Quality Management (quality assurance/control, ISO9000, Six sigma) (NPTEL)
January 11, 2030 - December 8, 2025
Diploma in Project Management Practice (NPTEL)
January 11, 2030 - December 8, 2025
Diploma in Software Testing
January 11, 2030 - December 8, 2025
Agile Testing Certification (LinkedIn)
January 11, 2030 - December 8, 2025
Software Testing Foundation (Bug Writing and Management)
January 11, 2030 - December 8, 2025
Foundation of Strategic Planning I&II (LinkedIn)
January 11, 2030 - December 8, 2025
Introduction to Cypress Automation
January 11, 2030 - December 8, 2025
Postman Automation (Udemy)
January 11, 2030 - December 8, 2025
B.ENG Civil Engineering
January 1, 2010 - January 1, 2016
ISTQB (foundation level)
January 11, 2030 - February 27, 2026
AI Expert
January 11, 2030 - February 27, 2026
Diploma in Quality Management (quality assurance/control, ISO9000, Six sigma) (NPTEL certification)
January 11, 2030 - February 27, 2026
Diploma in project management practice (NPTEL certification)
January 11, 2030 - February 27, 2026
Diploma in Software testing
January 11, 2030 - February 27, 2026
Agile testing certification (LinkedIn)
January 11, 2030 - February 27, 2026
Software testing Foundation (Bug writing and Management)
January 11, 2030 - February 27, 2026
Foundation of strategic planning I&II (LinkedIn)
January 11, 2030 - February 27, 2026
Introduction to Cypress Automation
January 1, 2023 - February 27, 2026

Industry Experience

Software & Internet, Media & Entertainment, Professional Services, Financial Services, Telecommunications

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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