Freelancer profile translated to English.

Description

I implement automated E2E testing architectures that detect regressions before they impact your users. For seamless deployments and improved team speed.

⚡ WHAT I IMPLEMENT

→ Automated End-to-End Tests

Complete architecture with Playwright/Cypress, coverage of critical flows

→ Non-Regression Tests

Smoke tests after each deployment, early bug detection

→ CI/CD Integration

Automated tests in your pipeline, immediate feedback on PRs

→ Unit and Functional Tests

Jest/Vitest for code robustness, API tests with Postman

→ Custom Testing Frameworks

MVC architecture, BDD with Cucumber/Gherkin according to your needs

🛠️ MY TECHNICAL STACK

Testing: Playwright, Cypress, Jest, Vitest, Cucumber.js

Dev: TypeScript, JavaScript, React, Next.js

CI/CD: Github Actions, automated pipelines

Tools: Linear, Jira, Postman

✅ WHY WORK WITH ME

- Developer background: I understand your code and integrate easily into technical teams

- Pragmatic approach: I focus on the tests that bring the most value

- Quick autonomy: complete documentation and knowledge transfer

- Fluid collaboration: accustomed to agile/scrum teamwork

📩 NEXT STEP

Send me a message with a brief description of your project.

I'll respond within 24 hours with an initial analysis of your testing strategy.

Industry field of expertise

Languages

Spanish
Fluent
English
Fluent
French
Native or bilingual
Portuguese
Basic

Workplace preferences

Can work on-site

Madrid (up to 50km), Barcelona (up to 50km), Bilbao (up to 50km), San Sebastián (up to 50km), Valencia (up to 50km)

Fountain
QA Automation Engineer
HUMAN RESOURCES
August 2024 - Today (1 year and 10 months)
París, France
Recruitment SaaS platform: implementation of E2E test architecture to ensure deployments and improve product team velocity.

MISSIONS

- Complete E2E test architecture with Playwright
- Development of smoke tests for post-deployment validation
- Integration of tests into the CI/CD pipeline via Github Actions
- Close collaboration with developers to define testing strategies
- Documentation and defect tracking with Linear

ACHIEVEMENTS

- E2E test framework covering critical user flows
- Complete automation of non-regression tests
- Improvement of testability and code quality
- Automated tests run on each PR

RESULTS

- E2E coverage increased by 60%
- Early detection of critical bugs before production
- Significantly reduced release validation time
- 0 critical bugs passed to production since implementation

STACK: Playwright, TypeScript, JavaScript, React.js, Github Actions, Linear
Github Actions Playwright TypeScript JavaScript CI/CD
Santander Consumer Finance
Front-end Developer ReactJS | TypeScript
LOGISTICS AND SUPPLY CHAIN
March 2023 - July 2024 (1 year and 4 months)
Madrid, Spain
Development of web interfaces for financial products in collaboration with backend teams, with a focus on quality and automated testing.

MISSIONS

- Development of user interfaces with ReactJS and TypeScript
- Creation of responsive designs with TailwindCSS
- API integration with Axios and React Query
- Implementation of unit tests with Vitest
- End-to-end tests to maintain a high level of quality
- Close collaboration with designers and backend in AGILE methodology

ACHIEVEMENTS

- Construction and implementation of new pages and features
- Faithful reproduction of Figma designs while maintaining a clean codebase
- Effective API integration facilitating frontend-backend communication
- Implementation of React Hook Form for form management
- Data validation with Zod

RESULTS

- Responsive and intuitive interfaces improving user experience
- Consistent experience across different devices
- High product quality and reliability through testing
- Rapid adaptation and continuous improvement in agile methodology

STACK: ReactJS, TypeScript, TailwindCSS, Axios, React Query, Vitest, Vite, React Hook Form, Zod, ESLint
TypeScript React.js JavaScript TailwindCSS Cypress
EOVO - Plataforma de inversión
QA Engineer | Frontend Developer
LOGISTICS AND SUPPLY CHAIN
April 2022 - September 2022 (6 months)
Biarritz, France
Investment platform: automation of E2E tests and maintenance of the component library to ensure UI quality and consistency.

MISSIONS

- Automation of End-to-End tests with Cypress
- Writing unit tests with Jest
- Smoke tests after each major deployment
- Functional tests for specification validation
- Maintenance of component library (Next.js, TypeScript, TailwindCSS)

ACHIEVEMENTS

- Complete suite of automated E2E tests with Cypress
- Unit tests for each component and functionality
- Reusable component library for design consistency
- Git integration and feature-based deployment approach
- Use of JIRA for sprint tracking and planning

RESULTS

- Early detection of errors thanks to E2E tests
- Optimization of user experience via automated tests
- Product stability and quality maintained in each deployment
- Improved UI consistency via component library

STACK: Cypress, Jest, Next.js, TypeScript, React.js, TailwindCSS, NestJs, Prisma, JIRA, Git
Next.js TypeScript React.js Cypress Jest