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Mathieu SirèreMS

Mathieu Sirère

QA Tester | QA Engineer | ISTQB

€500/day
Lille, FR
8-15 years

Average response time: A few days

Freelancer profile translated to English.
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About Mathieu

Looking for a QA tester?
Want to ensure the quality of your software products?
You've come to the right place.

I am a QA tester with over 7 years of experience.
I have worked in various sectors such as retail, printing, business applications...
I have collaborated with companies such as La Redoute, Claranet, Doxense...
I hold the following certifications: ISTQB Foundation Level

As a QA tester, I can assist you with:
- Implementing the test strategy
- Writing detailed test plans
- Managing defects and changes using tools like JIRA, Xray, Squash, and others
- Designing and developing automation scripts
- Configuring and integrating automation tools
- Planning production releases
- Analyzing business requirements
- Continuously optimizing the testing process
- Coaching and training QA and non-QA teams on best testing practices
- Driving quality in an Agile/Scrum context

I also have knowledge of: Gherkin language, shift-left testing, various automation tools like Cypress or Playwright, continuous integration, agile methodologies, generative AI...

I also place great importance on transparency with my clients.
I document my work daily to present my tasks to my clients.

Shall we discuss your project? Contact me, I respond very quickly.

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  • English

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Lille (up to 50km), Paris (up to 50km), Dunkerque (up to 50km), Calais (up to 50km), Bruxelles (up to 50km)

Experience

  • Claranet France
    QA Tester
    DIGITAL AND IT
    December 2024 - Today (1 year and 8 months)
    Villeneuve-d'Ascq, France
    Claranet is a company specializing in technological services (hosting, cloud, data & AI, cybersecurity).
    The company has over 10,000 clients, approximately 3,500 employees internationally, and generates annual revenue of around 650 million euros.

    I joined the Lille IT team to participate in two strategic projects:
    - Management of a B2B e-commerce site for a client specializing in paint
    - Development of an internal business tool for POs and QAs.

    As a QA tester for the e-commerce site, my responsibilities included:
    - Defining and managing the test strategy
    - Writing and executing functional test cases
    - Setting up and monitoring test campaigns
    - Detecting, documenting, and tracking defects until resolution
    - Ensuring the functional quality of updates before production release

    Here is the link to the e-commerce site: https://pro.tollens-zolpan.com/

    As a QA tester for the internal business tool, my responsibilities included:
    - Writing, organizing, and prioritizing changes with the development team
    - Verifying the business relevance of the changes
    - Writing and executing associated test cases
    - Ensuring the functional quality of new features and updates

    I contributed to the following developments:
    - Merger of the Tollens and Zolpan B2B sites
    - Implementation of SSO login on the internal tool

    Technical/Functional Context:
    - JIRA
    - Confluence
    - Cypress
    - Scrum
    - Kanban
    - Agile Methodologies
    - Generative AI
    Cypress User Testing qa tester QA Testing Functional Acceptance
  • La Redoute
    QA Tester
    E-COMMERCE
    December 2021 - December 2024 (3 years)
    Roubaix, France
    La Redoute is a company in the retail and e-commerce sector aiming to make fashion and home goods accessible to everyone through a diverse and trendy offering.
    The company has over 10 million active customers worldwide and around 2,000 employees.

    I joined the CMS team to contribute to the evolution of this internal business tool, with the goal of meeting the company's needs and expectations in coordination with the App, Web, Publication, and Data teams.
    The team consisted of 1 PO, 1 QA, and 5 international developers, with all communication conducted in English.

    As a QA tester, my responsibilities included:
    - Managing the test strategy related to features developed on the CMS
    - Leading manual and automated test campaigns
    - Ensuring coordination with various stakeholders
    - Training CMS users on new features
    - Preparing and ensuring the quality of updates within an Agile framework with the CMS team

    I contributed to the following developments:
    - A CMS used daily by over 300 business employees at La Redoute
    - Implementation of automated test campaigns on various environments (+200 tests)
    - Participation in several major cross-functional projects: product tag redesign, navigation menu redesign, website and application search engine improvement, etc.
    - Training several hundred CMS users on new features and best practices
    - Contribution to a strategic cross-functional project: migrating the PSP to Stripe for all international sites

    Technical Context:
    - JIRA
    - Confluence
    - Scrum
    - Kanban
    - Agile Methodologies
    - Cerberus
    - Figma
    Jira/Confluence Cerberus Business Application CMS User Testing
  • DOXENSE
    QA Tester
    SOFTWARE PUBLISHING
    August 2018 - December 2021 (3 years and 4 months)
    Wasquehal, France
    Doxense is a company in the printing and electronic document management sector.
    Its goal is to unify and secure companies' printing systems.
    The company has 1000 clients, 30 employees, and over 2,000,000 users.

    I joined the QA team to participate in the evolution of printer administration and management software.
    The team consisted of 1 PO, 2 QAs, and 8 developers.

    As a QA tester, my responsibilities included:
    - Defining and managing the test strategy with the QA team
    - Writing, executing, and maintaining functional test cases
    - Writing and developing manual and automated test campaigns
    - Maintaining the technical environment for automated test campaigns
    - Detecting and tracking defects until their resolution
    - Validating a software version with updates every month
    - Writing patch notes in collaboration with the documentation team

    I contributed to the following developments:
    - Implementation of test campaigns (+500 tests) on several software applications
    - Validation of over 50 deployments of new versions of the various software applications
    - Evolution of the embedded application in printers, used by over 2 million users (hospitals, Orange, TF1, etc.)
    - Transition of the company from a V-cycle operation to an Agile operation

    Technical Context:
    - JIRA
    - C#
    - .Net
    - TeamCity
    - Git
    - Selenium
    - Appium
    - TestLink
    - HyperV
    - Virtual Machines
    - Agile Methodologies
    - Scrum
    - Kanban
    - Adobe XD
    Jira/Confluence Automation Selenium C# User Testing

Recommendations

MC
Lilian AlvarezLA
QS
+1
Maïté Chamerois and 3 other people have recommended Mathieu

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Education

  • Bachelor's Degree in Internet and Intranet Development and Administration
    IUT A
    2019
    L’IUT A de Lille, spécialisé depuis 1967 dans la formation technique et informatique, propose des cursus professionnalisants en informatique, sciences et gestion. J’y ai obtenu une Licence Professionnelle DA2I (Développement et Administration Internet et Intranet) en alternance chez Doxense, où j’ai été formé au métier de testeur QA. La formation couvrait notamment : - Systèmes et outils de développement/déploiement (Unix, Git, Docker, CI) - Bases de données (PostgreSQL, Oracle, MySQL, MongoDB) - Génie logiciel (Java, Eclipse) - Développement web serveur (Servlets, JSP, EJB, PHP, Spring, etc.) - Développement web client (JavaScript, Angular, React)
  • BTS in Digital Systems, option Computer Science and Networks
    EPID
    2018
    L’EPID de Dunkerque (École Privée d’Informatique et de Développement) propose des formations spécialisées dans le numérique et les technologies de l’information. J’y ai obtenu un BTS Systèmes Numériques – option Informatique et Réseaux, où j’ai acquis des compétences en : - Administration et gestion de réseaux (Cisco, TCP/IP, DHCP, DNS, routage, commutation) - Développement logiciel et web (C, C++, PHP, HTML, CSS, JavaScript) - Systèmes et architectures (Windows, Linux, VMware, virtualisation) - Sécurité et gestion d’infrastructures (pare-feux, VPN, Wireshark)

Certifications

  • ISTQB
    CFTL
    2023
    Functional Testing Software Testing User Acceptance Testing Exploratory Testing Test Case Regression Tests User Testing Test Strategy Functional Acceptance Test Planning

Skill set

Categories