About

Learn more about me

Full Stack Testing Professional

"Ensuring flawless performance from code to customer experience."

  • Email: info@guimma.co.uk
  • Website: www.guimma.co.uk
  • Phone: +447510555294
  • City: London, UK
  • Experience: 6+
  • Degree: BSc, MSc, Phd Ongoing
  • Contract: Available
  • Freelance: Available

I am a dedicated Full Stack Testing Professional with a passion for ensuring software excellence from front-end user interfaces to back-end systems. With extensive experience in both manual and automated testing, I specialize in creating robust testing frameworks and implementing comprehensive quality assurance processes. My expertise spans across various testing methodologies, including functional, performance, security, and usability testing. Driven by a commitment to quality and a keen eye for detail, I excel at identifying potential issues before they impact end-users. My technical proficiency includes working with cutting-edge tools and technologies to streamline testing efforts and enhance overall software reliability. As a collaborative team player, I thrive in dynamic environments, continuously improving testing strategies to align with the latest industry standards.

Happy Clients

Projects

Hours Of Support

Awards

Skills

HTML 100%
CSS 90%
JavaScript 75%
Python 80%
MySQL 70%
C# 45%

Tools

Selenium

Cypress

Appium

Postman

Jmeter

Jira

Zephyr

Jenkins

BrowserStack

Git

Burp Suite

Owasp Zap

Testimonials

In many ways Chris understood our product needs better than we did and complimented our vision perfectly. He was very helpful and fast to respond to our inquiries to help with our product defects.

Arrey Bate

Ceo & Founder

His knowledge was comprehensive. Even better, his advice helped us enough to solve the problems our web app encountered and he did not accept any payment for this, very straight up! Thank you Chris.

Alfaiz Bathi

Business Administrator

From the start of the project, through to completion, Chris supported my team and I and exceeded our expectations in every way. He's reliable, professional and easy to work with.

Shaqib Yousuf

Solicitor

Not only was my experience with Chris personal and friendly, but his ability to identify and present key messages in an imaginative and creative way gave us a huge amount of confidence in him.

Zara Fadimatou

Cyber Security Analyst

Without doubt one of the most talented testing lads out there. I always go back to him when I'm out of my depth and he never fails to deliver what I ask for. Smart, trustworthy and professional.

Akash Ghosh

Software Engineer

Resume

Check My Contracts

Omirai

2024 - Present, Lead QA

London, UK

  • Develop detailed test plans and strategies that encompass functional, regression, performance, and security testing, ensuring alignment with our project goals and quality standards.
  • Implement scalable test automation frameworks using tools like playwright and Cypress. I integrate these automated tests into our CI/CD pipelines to enhance efficiency and effectiveness in our testing processes.
  • Conduct extensive testing across various platforms, devices, and browsers to ensure a consistent user experience and functionality. Utilizing tools such as BrowserStack for streamlined cross-environment testing.
  • Work closely with development, operations, and product teams to identify and resolve issues early in the development cycle. I advocate for best practices in quality assurance, continuously improve testing methodologies.

High Tech plus

2021 - 2022, Software Test Engineer

London, UK

  • Designed test plans, test cases and automation scripts for complex software products, focusing on performance and scalability.
  • Carried out thorough API testing using tools like Postman and REST Assured to validate data integrity, security, and performance. Developed automated API tests to ensure reliable integration between system components.
  • Led cross-functional teams in high-stakes testing scenarios to mitigate risks and identify critical system vulnerabilities.
  • Mentored junior testers, fostering a culture of continuous improvement and learning within the QA department.

Proper QA

2021 - 2021, QA Engineer

Edinburgh, UK, Contract

  • Executed targeted test cases for high-impact projects, focusing on user experience and system reliability.
  • Implemented mobile-specific testing protocols, ensuring applications performed optimally on all targeted devices.
  • Assisted in streamlining QA processes, implementing best practices to enhance testing efficiency.
  • Collaborated with software developers to refine agile testing practices and sprint planning methodologies.

HI-Tech Plus

2020 - 2021, Senior QA

London, UK

  • Designed and executed detailed test plans and test cases for a variety of software products.
  • Collaborated closely with software developers to identify and resolve technical issues.
  • I engaged in both manual and automated testing to ensure comprehensive coverage of all functionalities. This approach allowed me to identify and address issues more effectively, ensuring that the software met all quality standards and performed reliably across different scenarios..
  • Analyzed test results, reported defects, and worked on their resolution to enhance software quality.
  • Played a key role in the continuous improvement of testing processes.

UserTesting

2019 - 2022

Remote, Freelance

  • Conducted user acceptance tests on various websites, applications, and digital products to assess user experience and functionality.
  • Provided detailed feedback and recommendations to clients based on user experience, usability, and functionality.
  • Created comprehensive reports that detailed my findings. These reports included a clear summary of identified issues, their impact on the system, and detailed steps to reproduce them.
  • Successfully tested and provided feedback for over 100 digital products, contributing to their refinement and user satisfaction.

Diakrino

2018 - 2019

Remote, SDET

  • Design and implement automated testing frameworks to streamline testing processes.
  • Develop and maintain a robust suite of test cases for various software products.
  • Participate in the full software development lifecycle, with a focus on quality assurance.
  • Analyze test results, document software defects, and provide detailed reports.

Services

My Services

Test Automation

I enable enterprises to automate testing of multiple digital devices and browsers in the cloud or on-premise, using a suited automation framework.

Mobile Testing

The mobile app market is growing every year, I will ensure that native, mobile-web, or hybrid apps meet any user requirement on different mobile OS.

Web App Testing

My Web App testing service safeguard your brand by making sure your website & Web App is pristine on every level before launch on all devices.

Performance Testing

I provide performance testing for mobile, and web applications determining their scalability, stability, and performance.

Security Testing

I intend to reveal flaws in the security by testing elements like confidentiality, integrity, authentication, availability, authorization and non-repudiation.

API Testing

I offer comprehensive API testing services designed to ensure your APIs perform flawlessly and reliably. Assess the API's responsiveness and stability.

Portfolio

My Contracts

  • All
  • App
  • Sec
  • Web

Contact

Contact Me

My Address

London, UK

Social Profiles

Email Me

info@guimma.co.uk

Call Me

+447510555294

Your message has been sent. Thank you!