Hi, I’m Harold Olotu, a QA Test Engineer with over 8 years of hands-on experience designing and executing automated tests for web UI, API, and backend services. I excel at building robust automation frameworks, validating complex microservices, and driving quality early in Agile environments to deliver stable, reliable products. I’m proficient with Playwright, Selenium, C#, Postman, RestSharp, and Azure DevOps, and I enjoy mentoring junior QA engineers, collaborating with cross-functional teams, and continuously improving testing strategies to reduce execution time and shift-left testing. I thrive in fast-paced environments, consistently delivering well-structured test strategies, clear defect communication, and high-quality releases. My approach combines strong technical skills with collaborative problem-solving to ensure product quality and team success.

Harold Olotu

Hi, I’m Harold Olotu, a QA Test Engineer with over 8 years of hands-on experience designing and executing automated tests for web UI, API, and backend services. I excel at building robust automation frameworks, validating complex microservices, and driving quality early in Agile environments to deliver stable, reliable products. I’m proficient with Playwright, Selenium, C#, Postman, RestSharp, and Azure DevOps, and I enjoy mentoring junior QA engineers, collaborating with cross-functional teams, and continuously improving testing strategies to reduce execution time and shift-left testing. I thrive in fast-paced environments, consistently delivering well-structured test strategies, clear defect communication, and high-quality releases. My approach combines strong technical skills with collaborative problem-solving to ensure product quality and team success.

Available to hire

Hi, I’m Harold Olotu, a QA Test Engineer with over 8 years of hands-on experience designing and executing automated tests for web UI, API, and backend services. I excel at building robust automation frameworks, validating complex microservices, and driving quality early in Agile environments to deliver stable, reliable products. I’m proficient with Playwright, Selenium, C#, Postman, RestSharp, and Azure DevOps, and I enjoy mentoring junior QA engineers, collaborating with cross-functional teams, and continuously improving testing strategies to reduce execution time and shift-left testing.

I thrive in fast-paced environments, consistently delivering well-structured test strategies, clear defect communication, and high-quality releases. My approach combines strong technical skills with collaborative problem-solving to ensure product quality and team success.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate

Language

English
Fluent

Work Experience

QA Test Engineer at Reteicons - BlueSky Citadel
January 1, 2024 - Present
Designed, developed, and executed manual exploratory, smoke, functional, SIT, end-to-end, and regression testing for complete UI validation and product reliability. Contributed to test strategies, test plan, and effort estimates to ensure comprehensive test coverage. Conducted API testing using Swagger, validating REST services across endpoints. Logged defects, collaborated with developers and PO to ensure timely resolution, re-testing and regression testing. Developed automated test cases using Selenium (migrating to Playwright) with C# that eliminated flaky tests and exception handling errors. Performed geolocation testing to validate location-based workflows and ensure correct behaviour across regions and location scenarios. Performed cross-browser testing across major browsers, ensuring application consistency across browsers and platforms, improving test and product quality. Executed mobile-friendly and responsive UI tests across devices and screen sizes, ensuring consistent user
QA Test Engineer at Planit, Specsavers, Reading
August 1, 2022 - December 1, 2023
Project: An Agile Kanban Data Migration Project from Specsavers. Collaborated with the cross-functional teams to understand data migration requirements, Specsavers migration rules, for complete data validation and quality of data. Developed and executed manual test scripts for data using qTest integrated with Jira. Executed and maintained SQL data scripts in Databricks integrated with Apache Spark and Great Expectations, reducing manual validation efforts significantly. Identified and improved the quality of data by profiling and analysing data, ensuring accurate and quality data are migrated from the source to the target system. Developed and maintained data smoke test suite and data regression test suite using the qTest management tool for execution during release cycles for data quality. Identified, logged the defect, and collaborated with the product owner and the developers for quick resolution. Participated in sprint planning, daily-ups, and triage sessions, ensuring continuous i
QA Test Engineer at Giftrete, London
January 1, 2020 - August 1, 2022
Agile Scrum upgrade and enhancements of a Charity platform application. Worked with business analyst and developer to improve test coverage and quality of the application. Developed and maintained manual and automation test scripts using C#, Selenium and Specflow, covering Exploratory, Functional, Regression, and End-to-End tests. Executed comprehensive tests across Smoke, Functional, System Integration, and End-to-End phases, before UAT, improving application stability and reliability. Conducted API testing using Postman, ensuring robust integrations among various components of the charity platform. Logged, tracked defects, and coordinated with Dev team for quick resolutions, for test quality and successful completion of sprint cycles. Engaged in Agile/Scrum ceremonies, collaborated on user stories and acceptance criteria, provided useful feedback, ensured better collaboration, and tests quality. Collaborated with Test Team and developed automation framework using C#, Specflow, Seleni
QA Test Engineer at Arriel Solutions, Manchester
October 1, 2016 - December 1, 2019
Agile Scrum Business as usual digital transformation project. Designed and developed test scenarios, test cases for complete test coverage of the application under test. Performed Smoke, Functional, system integration, and end-to-end testing, ensuring the quality and stability of core features. Performed exploratory testing to uncover unexpected behaviour and ensured the application met user expectations using the Azure DevOps Board and Jira. Performed end-to-end test execution to verify that new changes or enhancements did not impact already working features of the application. Identified and raised defects in the Azure DevOps Board with reproducible steps and worked with developers for quick resolution and test quality. Participated in Agile/Scrum meetings, contributed to test quality and process improvement ideas that positively impacted the overall quality of the application.
Logistic Officer at Material in Motion
October 1, 2013 - September 1, 2016
Pursued QA training and software testing certifications, to shift into quality assurance testing endeavours. Supported packaging and labelling QA checks, ensuring products met export and safety requirements. Conducted receiving inspections for all incoming goods, identifying defects and verifying products compliance with quality specifications.

Education

MSc Computing and IT at Northumbria University, Newcastle
February 1, 2017 - March 1, 2019

Qualifications

ISTQB Certified Software Tester
December 1, 2014 - December 8, 2025
ISEB Certified Business Analyst
November 1, 2014 - December 8, 2025
Certificate in Project Management, Basics for Success
April 1, 2015 - December 8, 2025
Certificate, Fundamentals of Project planning and management, University of Virginia
June 1, 2015 - December 8, 2025
Google IT Support Professional Certificates
March 1, 2018 - December 8, 2025
Diploma in Data Processing
October 1, 1998 - December 8, 2025

Industry Experience

Software & Internet, Professional Services, Retail, Education

Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate

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