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Roberto ArceRA

Roberto Arce

QA Lead / QA Architect

€250/day
Toledo, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Roberto

I am a Software Quality Strategies Specialist / QA Lead, with real experience in banking, fintech, and high-traffic platforms. I help companies reduce critical failures, accelerate deployments, and create robust quality processes, without bureaucracy and with measurable results from the first month.

🔍 What I do (and why I'm useful for your project)

I design complete QA strategies, aligned with business and the technical team.
I implement scalable automation in APIs, microservices, and front-end.
I create testing frameworks adapted to each architecture.
I audit quality environments and define clear improvement plans.
I stabilize CI/CD pipelines and reduce intermittent failures.
I train teams to adopt a sustainable QA culture.

📈 Usual results

Reduction of critical bugs in production by 30%–70%.
Regression testing times cut by up to 60%.
Functional/technical coverage improved from 30% to 80–85%.
Optimized QA processes to improve continuous delivery.
Faster teams, with fewer incidents and less rework.

🧰 Technologies and skills

Karate DSL, Selenium, Postman/Newman, Playwright, Git, CI/CD (Jenkins, GitLab), API testing, microservices, SQL, E2E automation, risk analysis, QA documentation, Scrum/Kanban.

My approach

I work with a practical vision: quality that prevents problems, reduces costs, and allows teams to deliver software with more confidence and less stress.
If you are looking to strengthen your QA strategy, automate tests, or simply have clearer and more effective processes, I will be happy to help you.
  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Viseo - Iberia
    Quality Engineering
    February 2026 - Today (4 months)
    Independent consultant specializing in Quality Engineering and automation in highly critical enterprise environments (aeronautical sector).

    🔧 Key Responsibilities

    Design and implementation of automated testing strategies aligned with microservices architecture.

    API automation development with Karate Framework (Java) for functional validation, contracts, and E2E flows.

    Front-end automation with WebdriverIO, integrating end-to-end tests into CI/CD pipelines.

    Design and execution of performance tests with k6, defining SLA thresholds and bottleneck analysis.

    Integration of testing into pipelines (CI/CD) promoting a Shift Left culture.

    Definition of quality standards, evidence templates, and best practices for test repositories.

    • Impact generated

    Reduction of defects in production environments through early detection in development phases.
    Improvement in automated coverage of critical APIs.
    Implementation of a quality culture integrated into development teams.
    Acceleration of feedback in continuous integration pipelines.
    Standardization of E2E tests and contract testing across multiple squads.

    🛠 Technical Stack

    Automation API: Karate Framework (Java)
    Frontend Automation: WebdriverIO
    Performance Testing: k6
    BDD: Gherkin
    CI/CD: Integration into corporate pipelines
    Architecture: Microservices
    Methodologies: Shift Left, Quality Engineering, Testing Strategy
    karate framework JavaScript ci-cd-management Gherkin k6
  • Banco Santander
    QA LEAD
    BANKING AND INSURANCE
    January 2024 - February 2026 (2 years and 1 month)
    I lead software quality strategies that unify teams, processes, and technology to ensure robust and scalable products.
    Expert in end-to-end automation (Frontend & Backend) with Python, Selenium, Behave, and proprietary frameworks.
    I promote a modern QA culture, focused on prevention, automation, and continuous improvement.
    Management of QA teams, tool integration, and development of Jira-connected solutions for total visibility of defects and metrics.

    🔹 Design and implementation of the global QA strategy, aligning multidisciplinary teams towards a continuous quality culture focused on delivering value in each release.

    🔹 Definition and promotion of automation best practices, with the development of a proprietary framework based on Python and Selenium, scalable and adaptable to different products.

    🔹 Front-end test automation focused on early detection of incidents and improvement of user experience.
    Use of Python, Selenium, Behave, and Locust for functional and performance testing.

    🔹 Backend test automation (databases and microservices) ensuring data flow integrity from the source to the presentation layer.
    Development of scripts in Python and Behave, use of SQL on Oracle, and control of data quality and structures.

    🔹 Management and mentoring of the QA team, promoting collaboration, technical growth, and shared responsibility for quality.

    🔹 Integration of technologies and tools within the development and testing ecosystem (CI/CD, DevOps, virtualized environments, APIs, etc.).

    🔹 Design of a centralized system (CDM) connected to Jira, for traceability
    Python Selenium Java test-environment-management Oracle
  • Paradigma Digital
    QUALITY ASSURANCE SPECIALIST
    DIGITAL AND IT
    October 2023 - December 2023 (2 months)
    QA Specialist focused on backend test automation with Karate Framework. XML integration validation, automated suite design.

    Backend test automation using the Karate framework, with a focus on validating XML-based integrations and REST services.
    Design and execution of automated tests that ensure the quality of data flows and correct communication between microservices and external systems.

    🔹 Development and maintenance of automated test suites for backend services using the Karate Framework, ensuring functional and regression coverage.

    🔹 Service validation using XML, ensuring correct data transformation and consistency between integration layers.

    🔹 Design of parameterized test cases, aimed at optimizing reuse and reducing execution time in continuous integration pipelines.
    Data Quality test-environment-management karate framework microservices-architecture REST

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Education

  • Computer Engineering - Information Technologies
    UNIVERSIDAD TECNOLÓGICA DE LA HABANA
    2011
    Ingeniería Informática - Tecnologias de la Información
  • Computer Engineering - Information Technologies
    UNIVERSIDAD DE VIGO
    2015
    Ingeniería Informática - Tecnologias de la Información

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